diff --git a/docs/testing/e2e-testing.md b/docs/testing/e2e-testing.md
index 8bd2dd88..392a24ce 100644
--- a/docs/testing/e2e-testing.md
+++ b/docs/testing/e2e-testing.md
@@ -74,14 +74,27 @@ test('@smoke 홈페이지 마운트', async ({ page }) => {
 
 기존 PHPUnit testsuite (`Unit`/`Feature`/`Module`/`Plugin`) 및 Vitest 의 코어/확장 분리 원칙과 동일.
 
-확장이 자체 config 를 가지므로 **확장 디렉토리에서 직접 실행**:
+확장은 `tests/Playwright/playwright.config.ts` 에 자체 config 를 가지므로 **확장 디렉토리에서 직접 실행**한다.
+config 가 확장 루트가 아니라 `tests/Playwright/` 아래에 있으므로 `npx playwright test` 를 인자 없이 부르면
+config 를 찾지 못한다 — `npm run test:e2e` (config 경로가 이미 묶여 있음) 를 쓴다.
 
 ```powershell
 cd modules/_bundled/sirsoft-ecommerce
-$env:PLAYWRIGHT_BASE_URL='https://g7.dev'
-npx playwright test
+npm run test:e2e                                    # 확장 전체
+npm run test:e2e -- specs/admin/some.spec.ts        # 단일 spec
+npm run test:e2e:ui                                 # UI 디버깅 모드
 ```
 
+base URL 은 코어 `.env` 의 `APP_URL` 에서 자동 해석된다 (`PLAYWRIGHT_BASE_URL` 로 덮어쓸 수 있다).
+
+### 실행 시 유의 (경험칙)
+
+| 항목 | 내용 |
+| --- | --- |
+| 산출물 위치 | 리포트·trace 는 **코어 루트**의 `test-results/{type}/{id}/`, `playwright-report/{type}/{id}/` 에 쌓인다. 확장 디렉토리 안에 쌓으면 Windows 에서 `{module\|template}:update` 의 디렉토리 이동이 열린 핸들에 걸려 실패한다 |
+| 레이아웃 수정 후 | 레이아웃 JSON 을 고쳤으면 `{type}:update {id} --force` **+ `template:cache-clear {템플릿}`** 까지 해야 브라우저에 반영된다. 레이아웃은 템플릿 캐시(`/api/layouts/{template}/...`)로 서빙되므로 `cache:clear` 만으로는 갱신되지 않는다 |
+| 공유 상태 | 같은 관리자 설정 화면을 건드리는 spec 이 병렬로 돌면 서로의 저장 상태를 덮어써 실패할 수 있다. 설정 저장을 수반하는 spec 은 `--workers=1` 로 확인한다 |
+
 ## §4. 데이터 생성 위치 — 책임 분리 매트릭스
 
 | 데이터 종류 | 책임 영역 | 위치 | 호출 |
diff --git a/lang-packs/_bundled/g7-module-sirsoft-ecommerce-ja/CHANGELOG.md b/lang-packs/_bundled/g7-module-sirsoft-ecommerce-ja/CHANGELOG.md
index 1ef02dee..35ef55bb 100644
--- a/lang-packs/_bundled/g7-module-sirsoft-ecommerce-ja/CHANGELOG.md
+++ b/lang-packs/_bundled/g7-module-sirsoft-ecommerce-ja/CHANGELOG.md
@@ -4,6 +4,12 @@
 형식은 [Keep a Changelog](https://keepachangelog.com/ko/1.1.0/)를 따르며,
 [Semantic Versioning](https://semver.org/lang/ko/)을 준수합니다.
 
+## [1.0.4] - 2026-07-14
+
+### Added
+
+- 주문설정 결제수단 목록의 "PG 고정" 표시에 대한 일본어 번역을 추가했습니다.
+
 ## [1.0.3] - 2026-07-14
 
 ### Added
diff --git a/lang-packs/_bundled/g7-module-sirsoft-ecommerce-ja/frontend/partial/admin/settings.json b/lang-packs/_bundled/g7-module-sirsoft-ecommerce-ja/frontend/partial/admin/settings.json
index fc0635e2..16f3a899 100644
--- a/lang-packs/_bundled/g7-module-sirsoft-ecommerce-ja/frontend/partial/admin/settings.json
+++ b/lang-packs/_bundled/g7-module-sirsoft-ecommerce-ja/frontend/partial/admin/settings.json
@@ -151,7 +151,8 @@
       "pg_not_installed": "PG未インストール",
       "pg_select_first": "PG社をまず選択してください",
       "mileage_deduction_timing": "マイレージ差し引き時点",
-      "mileage_deduction_timing_disabled_hint": "マイレージ使用がオフになっているため、差し引き時点が適用されません。"
+      "mileage_deduction_timing_disabled_hint": "マイレージ使用がオフになっているため、差し引き時点が適用されません。",
+      "pg_fixed": "PG 固定"
     },
     "bank_accounts": {
       "title": "無通帳口座番号設定",
diff --git a/lang-packs/_bundled/g7-module-sirsoft-ecommerce-ja/language-pack.json b/lang-packs/_bundled/g7-module-sirsoft-ecommerce-ja/language-pack.json
index 0cd77c21..180054e3 100644
--- a/lang-packs/_bundled/g7-module-sirsoft-ecommerce-ja/language-pack.json
+++ b/lang-packs/_bundled/g7-module-sirsoft-ecommerce-ja/language-pack.json
@@ -12,7 +12,7 @@
         "en": "G7 module (sirsoft-ecommerce) Japanese language pack (bundled)",
         "ja": "G7 モジュール (sirsoft-ecommerce) 日本語 言語パック(バンドル)"
     },
-    "version": "1.0.3",
+    "version": "1.0.4",
     "license": "MIT",
     "scope": "module",
     "target_identifier": "sirsoft-ecommerce",
diff --git a/modules/_bundled/sirsoft-board/package.json b/modules/_bundled/sirsoft-board/package.json
index e063df2d..9106b48a 100644
--- a/modules/_bundled/sirsoft-board/package.json
+++ b/modules/_bundled/sirsoft-board/package.json
@@ -9,7 +9,9 @@
         "build": "vite build",
         "preview": "vite preview",
         "test": "vitest",
-        "test:run": "vitest run"
+        "test:run": "vitest run",
+        "test:e2e": "playwright test --config=tests/Playwright/playwright.config.ts",
+        "test:e2e:ui": "playwright test --config=tests/Playwright/playwright.config.ts --ui"
     },
     "devDependencies": {
         "jsdom": "^27.4.0",
diff --git a/modules/_bundled/sirsoft-board/tests/Playwright/playwright.config.ts b/modules/_bundled/sirsoft-board/tests/Playwright/playwright.config.ts
index b3392758..6d809fb5 100644
--- a/modules/_bundled/sirsoft-board/tests/Playwright/playwright.config.ts
+++ b/modules/_bundled/sirsoft-board/tests/Playwright/playwright.config.ts
@@ -14,6 +14,18 @@ import { fileURLToPath } from 'node:url';
 
 const __dirname = dirname(fileURLToPath(import.meta.url));
 
+/**
+ * 코어 루트 (artisan / .env / Playwright 산출물의 기준 경로).
+ *
+ * 확장 config 는 확장 디렉토리에서 실행되지만, 산출물을 그 안에 쓰면 Windows 에서
+ * `{module|template}:update` 의 디렉토리 이동이 열린 핸들에 걸려 실패한다.
+ * 산출물은 코어 루트 아래로 모아 update 경로와 분리한다 (.gitignore 가 이미 덮는 위치).
+ */
+const CORE_ROOT = process.env.G7_ROOT || resolve(__dirname, '../../../../../');
+
+/** 확장별 산출물 격리 — 확장끼리 리포트를 덮어쓰지 않도록 slug 로 네임스페이스. */
+const ARTIFACT_SLUG = 'modules/sirsoft-board';
+
 function readEnvFile(filePath: string, key: string): string | null {
   if (!existsSync(filePath)) return null;
   const content = readFileSync(filePath, { encoding: 'utf-8' });
@@ -31,8 +43,7 @@ function resolveBaseUrl(): string {
   if (process.env.PLAYWRIGHT_BASE_URL) {
     return process.env.PLAYWRIGHT_BASE_URL;
   }
-  const coreRoot = process.env.G7_ROOT || resolve(__dirname, '../../../../../');
-  const appUrl = readEnvFile(resolve(coreRoot, '.env'), 'APP_URL');
+  const appUrl = readEnvFile(resolve(CORE_ROOT, '.env'), 'APP_URL');
   if (appUrl && !/^https?:\/\/localhost(:\d+)?\/?$/i.test(appUrl)) {
     return appUrl;
   }
@@ -43,12 +54,13 @@ function resolveBaseUrl(): string {
 
 export default defineConfig({
   testDir: './specs',
+  outputDir: resolve(CORE_ROOT, 'test-results', ARTIFACT_SLUG),
   fullyParallel: true,
   forbidOnly: !!process.env.CI,
   retries: process.env.CI ? 2 : 0,
   workers: process.env.CI ? 1 : undefined,
   reporter: [
-    ['html', { outputFolder: 'playwright-report', open: 'never' }],
+    ['html', { outputFolder: resolve(CORE_ROOT, 'playwright-report', ARTIFACT_SLUG), open: 'never' }],
     ['list'],
   ],
   use: {
diff --git a/modules/_bundled/sirsoft-ecommerce/CHANGELOG.md b/modules/_bundled/sirsoft-ecommerce/CHANGELOG.md
index 597ee66c..0580e9bd 100644
--- a/modules/_bundled/sirsoft-ecommerce/CHANGELOG.md
+++ b/modules/_bundled/sirsoft-ecommerce/CHANGELOG.md
@@ -4,6 +4,20 @@
 형식은 [Keep a Changelog](https://keepachangelog.com/ko/1.1.0/)를 따르며,
 [Semantic Versioning](https://semver.org/lang/ko/)을 준수합니다.
 
+## [1.0.4] - 2026-07-14
+
+### Fixed
+
+- 네이버페이·카카오페이 등 결제 플러그인이 제공하는 간편결제로 주문할 때, 결제가 실패했는데도 관리자에게 "신규 주문 접수" 알림이 발송되던 문제를 수정했습니다. 이제 다른 카드 결제와 마찬가지로 결제가 실제로 완료된 시점에만 알림이 발송됩니다.
+- 간편결제로 결제하다 실패한 뒤 다시 결제하려 하면 "임시주문을 찾을 수 없습니다" 오류가 뜨며 재결제가 불가능하던 문제를 수정했습니다. 이제 결제 실패 후에도 주문서가 유지되어 결제수단을 바꾸거나 다시 시도할 수 있습니다.
+- 간편결제 주문을 취소할 때 카드 취소(PG 취소)가 함께 이뤄지지 않고 주문 상태만 취소로 바뀔 수 있던 문제를 수정했습니다.
+- 주문 목록의 결제수단 필터와 주문서의 결제수단 검증이 간편결제를 인식하지 못하던 문제를 수정했습니다.
+
+### Changed
+
+- 결제 플러그인이 제공하는 간편결제도 신용카드·가상계좌와 동일하게 정식 결제수단으로 취급됩니다. 주문 내역에 실제로 선택한 결제수단(예: 네이버페이)이 그대로 기록되어 관리자 주문 상세와 주문 목록에서 확인할 수 있습니다.
+- 쇼핑몰 환경설정 > 주문설정의 결제수단 목록에서 간편결제가 "PG 불필요"가 아니라 "PG 고정"으로 표시되고 어느 결제대행사를 통해 처리되는지 함께 보여줍니다. 간편결제는 해당 결제대행사 전용이므로 다른 대행사로 바꿀 수 없습니다.
+
 ## [1.0.3] - 2026-07-14
 
 ### Security
diff --git a/modules/_bundled/sirsoft-ecommerce/composer.json b/modules/_bundled/sirsoft-ecommerce/composer.json
index cc0f1bb7..3eda744e 100644
--- a/modules/_bundled/sirsoft-ecommerce/composer.json
+++ b/modules/_bundled/sirsoft-ecommerce/composer.json
@@ -2,7 +2,7 @@
     "name": "modules/sirsoft-ecommerce",
     "description": "Ecommerce module for Gnuboard7",
     "type": "library",
-    "version": "1.0.3",
+    "version": "1.0.4",
     "license": "MIT",
     "autoload": {
         "psr-4": {
diff --git a/modules/_bundled/sirsoft-ecommerce/database/factories/OrderPaymentFactory.php b/modules/_bundled/sirsoft-ecommerce/database/factories/OrderPaymentFactory.php
index 47b08edd..9af55eff 100644
--- a/modules/_bundled/sirsoft-ecommerce/database/factories/OrderPaymentFactory.php
+++ b/modules/_bundled/sirsoft-ecommerce/database/factories/OrderPaymentFactory.php
@@ -31,7 +31,7 @@ class OrderPaymentFactory extends Factory
             'embedded_pg_provider' => null,
             'transaction_id' => $faker->uuid(),
             'merchant_order_id' => 'MO-'.strtoupper($faker->bothify('????-####-????')),
-            'payment_method' => PaymentMethodEnum::CARD,
+            'payment_method' => PaymentMethodEnum::CARD->value,
             'payment_device' => $faker->randomElement(['pc', 'mobile']),
             'paid_amount_local' => $amount,
             'paid_amount_base' => $amount,
@@ -130,7 +130,7 @@ class OrderPaymentFactory extends Factory
         $faker = \fake();
 
         return $this->state(fn (array $attributes) => [
-            'payment_method' => PaymentMethodEnum::CARD,
+            'payment_method' => PaymentMethodEnum::CARD->value,
             'card_name' => $faker->randomElement(['신한카드', '삼성카드', 'KB국민카드', '현대카드']),
             'card_number_masked' => $faker->numerify('####-****-****-####'),
         ]);
@@ -144,7 +144,7 @@ class OrderPaymentFactory extends Factory
         $faker = \fake();
 
         return $this->state(fn (array $attributes) => [
-            'payment_method' => PaymentMethodEnum::DBANK,
+            'payment_method' => PaymentMethodEnum::DBANK->value,
             'payment_status' => PaymentStatusEnum::WAITING_DEPOSIT,
             'pg_provider' => '',
             'embedded_pg_provider' => null,
@@ -169,7 +169,7 @@ class OrderPaymentFactory extends Factory
         $faker = \fake();
 
         return $this->state(fn (array $attributes) => [
-            'payment_method' => PaymentMethodEnum::VBANK,
+            'payment_method' => PaymentMethodEnum::VBANK->value,
             'payment_status' => PaymentStatusEnum::WAITING_DEPOSIT,
             'vbank_code' => '088',
             'vbank_name' => $faker->randomElement(['신한은행', '국민은행', '우리은행']),
diff --git a/modules/_bundled/sirsoft-ecommerce/docs/api/orders.md b/modules/_bundled/sirsoft-ecommerce/docs/api/orders.md
index bb6a447b..1109b561 100644
--- a/modules/_bundled/sirsoft-ecommerce/docs/api/orders.md
+++ b/modules/_bundled/sirsoft-ecommerce/docs/api/orders.md
@@ -35,7 +35,7 @@
 | order_status | query | array | 아니오 | — | 주문상태 다중 선택 필터 (OrderStatusEnum 값 배열, 해당 상태의 주문만 조회) |
 | option_status | query | array | 아니오 | — | 주문옵션 상태 다중 선택 필터 (OrderStatusEnum 값 배열, 해당 옵션 상태를 가진 주문만 조회) |
 | shipping_type | query | array | 아니오 | — | 배송유형 다중 선택 필터 (ShippingType 코드 배열) |
-| payment_method | query | array | 아니오 | — | 결제수단 다중 선택 필터 (PaymentMethodEnum 값 배열) |
+| payment_method | query | array | 아니오 | 결제수단 카탈로그에 등록된 ID | 결제수단 다중 선택 필터. 코어 8종과 PG 플러그인이 등록한 확장 결제수단 ID(예: `nhnkcp_naverpay`)를 모두 허용 |
 | category_id | query | integer | 아니오 | — | category 식별자 |
 | min_amount | query | integer | 아니오 | min 0 | 주문금액 범위 필터 하한 (이 금액 이상 주문만 조회) |
 | max_amount | query | integer | 아니오 | min 0 | 주문금액 범위 필터 상한 (이 금액 이하 주문만 조회) |
@@ -1330,7 +1330,7 @@ HTTP/1.1 200
 
 | 이름 | 위치 | 타입 | 필수 | 허용값 | 용도 |
 | --- | --- | --- | --- | --- | --- |
-| payment_method | body | string | 예 | — | 결제수단 (PaymentMethodEnum 값 — card/vbank/dbank 등) |
+| payment_method | body | string | 예 | 결제수단 카탈로그에 등록된 ID | 결제수단. 코어 8종(`card`/`vbank`/`dbank`/`bank`/`phone`/`point`/`deposit`/`free`) 과 PG 플러그인이 등록한 확장 결제수단 ID(예: `nhnkcp_naverpay`, `kginicis_lpay`)를 모두 허용한다. 확장 결제수단도 1급 시민으로 그대로 저장된다. 카탈로그에 없는 값은 422 |
 | expected_total_amount | body | number | 예 | min 0 | 프론트가 계산한 예상 결제금액 (서버 재계산값과 대조해 금액 위변조 검증) |
 | shipping_memo | body | string | 아니오 | max 500 | 배송 요청사항 메모 |
 | depositor_name | body | string | 아니오 | max 50 | depositor 이름 (식별자) |
@@ -1362,18 +1362,33 @@ Content-Type: application/json
 
 **응답 필드** (`data` 내부)
 
-<!-- 실측 제외: write-method — 응답 필드는 사람이 작성하세요. -->
+| 이름 | 타입 | 조건 | 용도 |
+| --- | --- | --- | --- |
+| order | object | 항상 | 생성된 주문 리소스 |
+| redirect_url | string | 항상 | 결제가 필요 없는 주문의 이동 대상 (주문완료 페이지) |
+| requires_pg_payment | boolean | 항상 | PG 결제창을 거쳐야 하는 주문인지. 결제수단이 PG 를 요구하고(`needs_pg`), 해석된 PG 가 `manual`/`internal`/`none` 이 아니며, 잔여 결제액이 0보다 클 때 `true` |
+| pg_provider | string | `requires_pg_payment=true` | 결제를 처리할 PG (`sirsoft-` 접두사 부착 — 예: `sirsoft-nhnkcp`) |
+| pg_payment_data | object | `requires_pg_payment=true` | PG 결제창에 전달할 결제 정보 (아래 표) |
+| pg_payment_handler | string | `requires_pg_payment=true` **이고** PG 가 결제 진입 핸들러를 선언한 경우 | 프론트가 그대로 dispatch 할 결제 진입 핸들러 풀네임 (예: `sirsoft-pay_nhnkcp.requestPayment`). PG 가 미선언이면 이 키가 없으며, 템플릿은 PG 분기를 발화하지 않고 비-PG 흐름으로 안전 강하한다 |
 
-**응답 예시**
+`pg_payment_data` 필드:
 
-<!-- 실측 제외: http-422 — 응답 예시는 사람이 작성하세요. -->
+| 이름 | 타입 | 용도 |
+| --- | --- | --- |
+| order_number | string | 주문번호 |
+| order_name | string | 주문명 (첫 상품명 + 외 N건) |
+| amount | number | PG 청구액 (결제 통화의 최소 화폐단위 정수) |
+| currency | string | 결제 통화 코드 |
+| customer_name / customer_email / customer_phone | string\|null | 주문자 정보 |
+| customer_key | string\|null | 회원 주문의 고객 식별자 (`user_{id}`), 비회원은 null |
+| payment_method | string | 선택된 결제수단 ID. 확장 결제수단이면 확장 ID 그대로(예: `nhnkcp_naverpay`) — PG 플러그인이 이 값으로 결제창의 결제수단을 결정한다 |
 
 **에러 응답**
 
 | 상태코드 | 의미 | 발생 조건 |
 | --- | --- | --- |
 | 403 | Forbidden | 요구 권한(`sirsoft-ecommerce.user-orders.create`)이 없는 경우 |
-| 422 | Unprocessable Entity | 요청 파라미터가 검증 규칙을 위반한 경우 (`error.errors` 에 필드별 메시지) |
+| 422 | Unprocessable Entity | 요청 파라미터가 검증 규칙을 위반한 경우 (`error.errors` 에 필드별 메시지). `payment_method` 가 결제수단 카탈로그에 없는 값이면 여기서 차단된다 |
 
 <!-- @generated:end -->
 
diff --git a/modules/_bundled/sirsoft-ecommerce/docs/api/settings.md b/modules/_bundled/sirsoft-ecommerce/docs/api/settings.md
index 2d8668c0..a2293b6e 100644
--- a/modules/_bundled/sirsoft-ecommerce/docs/api/settings.md
+++ b/modules/_bundled/sirsoft-ecommerce/docs/api/settings.md
@@ -3570,3 +3570,33 @@ _대표 에러 없음 (공개 조회). <!-- TODO: 도메인 특이 에러가 있
 **설명** 인증 없이 접근 가능한 공개 엔드포인트로, 체크아웃에서 필요한 배송 설정을 반환합니다. `EcommerceSettingsService::getSettings('shipping')`로 기본 배송 국가·이용 가능한 국가 목록·국제 배송 활성화 여부·배송 타입·무료 배송 설정 등을 `shipping` 으로 내려줍니다. 프론트가 배송지 선택과 배송비 안내를 구성하는 데 사용하며, `logApiUsage('settings.shipping')`로 사용 로그를 남깁니다.
 
 
+
+---
+
+## 결제수단 카탈로그 (`order_settings.payment_methods[]`)
+
+결제수단 카탈로그는 코어 8종(builtin)과 PG 플러그인이 훅으로 등록한 확장 결제수단을 함께 담는다.
+설정 조회/저장 응답의 `order_settings.payment_methods` 배열 각 항목이 이 구조를 따른다.
+
+아래 능력(capability) 필드는 **정의(builtin 은 코어, 확장은 플러그인 선언)가 SSoT** 이며 저장된 값으로
+덮이지 않는다 — 관리자가 편집하는 값이 아니라 결제수단의 성격이기 때문이다.
+
+| 이름 | 타입 | 용도 |
+| --- | --- | --- |
+| id | string | 결제수단 ID. builtin(`card` / `vbank` / `dbank` / `bank` / `phone` / `point` / `deposit` / `free`) 또는 확장 ID(예: `nhnkcp_naverpay`, `kginicis_lpay`) |
+| needs_pg | boolean | PG 결제창이 필요한 수단인지. `false` 면 관리자 화면에 "PG 불필요" 로 표시되고 주문도 PG 를 거치지 않는다 (무통장·포인트·예치금·무료) |
+| pg_locked | boolean | PG 가 특정 대행사로 고정된 수단인지. 간편결제처럼 특정 PG 전용인 수단은 `true` 이며, 관리자가 PG 를 바꿀 수 없고 화면에는 "PG 고정" 배지로 표시된다. `true` 일 때 `pg_provider` 는 저장값 대신 플러그인 선언값이 강제된다 |
+| refund_method | string | 환불 수단 분류 (`pg` / `bank` / `points`). 주문 취소 시 PG 취소를 호출할지 결정한다 |
+| pg_provider | string\|null | 이 결제수단을 처리할 PG. `pg_locked=true` 면 플러그인이 선언한 PG 로 고정되고, 아니면 관리자가 선택한다 (미선택 시 `default_pg_provider` 로 폴백) |
+| is_active | boolean | 주문서에 노출할지 여부 |
+| min_order_amount | number | 이 결제수단을 쓸 수 있는 최소 주문금액 |
+| stock_deduction_timing | string | 재고 차감 시점 (`order_placed` / `payment_complete` / `none`) |
+| mileage_deduction_timing | string | 마일리지 차감 시점 |
+| sort_order | number | 주문서 노출 순서 |
+| _cached_name / _cached_description | object | 다국어 표시명/설명 (locale => 문자열) |
+| _cached_icon | string | 표시 아이콘 |
+| _cached_source | string | 제공 주체 (`builtin` 또는 `plugin:{식별자}`) |
+
+확장 결제수단(간편결제)은 코어의 `card` 로 치환되지 않고 자기 ID 그대로 저장·조회된다.
+주문 생성 시 `payment_method` 로 확장 ID 를 그대로 보내면 되며, 서버는 이 카탈로그를 화이트리스트로
+사용해 검증한다.
diff --git a/modules/_bundled/sirsoft-ecommerce/module.json b/modules/_bundled/sirsoft-ecommerce/module.json
index 673f89fa..8229085f 100644
--- a/modules/_bundled/sirsoft-ecommerce/module.json
+++ b/modules/_bundled/sirsoft-ecommerce/module.json
@@ -5,7 +5,7 @@
         "ko": "이커머스",
         "en": "Ecommerce"
     },
-    "version": "1.0.3",
+    "version": "1.0.4",
     "license": "MIT",
     "description": {
         "ko": "그누보드7 이커머스 모듈 - 상품, 주문, 결제 관리",
diff --git a/modules/_bundled/sirsoft-ecommerce/package-lock.json b/modules/_bundled/sirsoft-ecommerce/package-lock.json
index 33a0593a..63316555 100644
--- a/modules/_bundled/sirsoft-ecommerce/package-lock.json
+++ b/modules/_bundled/sirsoft-ecommerce/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "@g7/sirsoft-ecommerce",
-    "version": "1.0.3",
+    "version": "1.0.4",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@g7/sirsoft-ecommerce",
-            "version": "1.0.3",
+            "version": "1.0.4",
             "devDependencies": {
                 "jsdom": "^27.4.0",
                 "typescript": "^5.3.3",
diff --git a/modules/_bundled/sirsoft-ecommerce/package.json b/modules/_bundled/sirsoft-ecommerce/package.json
index 88de7fcf..746ded67 100644
--- a/modules/_bundled/sirsoft-ecommerce/package.json
+++ b/modules/_bundled/sirsoft-ecommerce/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@g7/sirsoft-ecommerce",
-    "version": "1.0.3",
+    "version": "1.0.4",
     "description": "그누보드7 이커머스 모듈 프론트엔드 에셋",
     "private": true,
     "type": "module",
@@ -9,7 +9,9 @@
         "build": "vite build",
         "preview": "vite preview",
         "test": "vitest",
-        "test:run": "vitest run"
+        "test:run": "vitest run",
+        "test:e2e": "playwright test --config=tests/Playwright/playwright.config.ts",
+        "test:e2e:ui": "playwright test --config=tests/Playwright/playwright.config.ts --ui"
     },
     "devDependencies": {
         "jsdom": "^27.4.0",
diff --git a/modules/_bundled/sirsoft-ecommerce/resources/js/__tests__/layouts/adminEcommerceSettingsOrder.test.tsx b/modules/_bundled/sirsoft-ecommerce/resources/js/__tests__/layouts/adminEcommerceSettingsOrder.test.tsx
index 0d6d397e..6aa2cfeb 100644
--- a/modules/_bundled/sirsoft-ecommerce/resources/js/__tests__/layouts/adminEcommerceSettingsOrder.test.tsx
+++ b/modules/_bundled/sirsoft-ecommerce/resources/js/__tests__/layouts/adminEcommerceSettingsOrder.test.tsx
@@ -422,6 +422,71 @@ describe('결제수단 Sortable 리스트 구조 검증 (_payment_methods_list.j
             );
         });
     });
+
+    // ─── PG 능력 기반 3분기 (#475) ───
+    // 배경: 과거에는 PG 필요 여부를 하드코딩 배열(['point','deposit','free','dbank'])로
+    // 정규식 판정해 간편결제를 "PG 불필요"로 오분류했다. 이제 결제수단 카탈로그의
+    // pg_locked / needs_pg 능력으로 직접 3분기한다:
+    //   ① pg_locked        → "PG 고정 · {PG명}" 배지 (관리자 변경 불가)
+    //   ② !pg_locked && needs_pg → PG 선택 셀렉트 (또는 미설치 안내)
+    //   ③ !pg_locked && !needs_pg → "PG 불필요"
+    // 이 분기가 능력 대신 다시 하드코딩/orphaned 로 회귀하면 #475 재발이다.
+    describe('PG 능력 3분기 (#475)', () => {
+        const tpl = layout.itemTemplate;
+        const findByTestidExpr = (needle: string) =>
+            findFirst(tpl, (n: any) =>
+                typeof n?.props?.['data-testid'] === 'string'
+                    && n.props['data-testid'].includes(needle),
+            );
+
+        it('PG 고정 배지가 $method.pg_locked 조건으로 렌더된다', () => {
+            const badge = findByTestidExpr('pg-locked-badge-');
+            expect(badge).not.toBeNull();
+            expect(badge.if).toBe('{{$method.pg_locked}}');
+            // 배지 텍스트에 PG 표시명(available_pg_providers 의 name)이 들어가야
+            // "PG 불필요"와 구분된다.
+            expect(badge.text).toContain('available_pg_providers');
+            expect(badge.text).toContain('pg_provider');
+        });
+
+        it('PG 선택 셀렉트가 !pg_locked && needs_pg && 제공자>0 조건으로만 렌더된다', () => {
+            const select = findByTestidExpr('pg-select-');
+            expect(select).not.toBeNull();
+            expect(select.name).toBe('Select');
+            expect(select.if).toContain('!$method.pg_locked');
+            expect(select.if).toContain('$method.needs_pg');
+            expect(select.if).toContain('length > 0');
+            // 셀렉트 변경이 pg_provider 를 배열에 반영해야 한다.
+            expect(select.actions[0].handler).toBe('setState');
+            expect(select.actions[0].params['form.order_settings.payment_methods']).toContain(
+                'pg_provider',
+            );
+        });
+
+        it('"PG 불필요" 표시가 !pg_locked && !needs_pg 조건으로만 렌더된다', () => {
+            const notRequired = findByTestidExpr('pg-not-required-');
+            expect(notRequired).not.toBeNull();
+            expect(notRequired.if).toContain('!$method.pg_locked');
+            expect(notRequired.if).toContain('!$method.needs_pg');
+            expect(notRequired.text).toBe(
+                '$t:sirsoft-ecommerce.admin.settings.order_settings.payment_methods.pg_not_required',
+            );
+        });
+
+        it('세 분기가 상호배타적이다 (pg_locked 우선, 나머지는 !pg_locked)', () => {
+            const badge = findByTestidExpr('pg-locked-badge-');
+            const select = findByTestidExpr('pg-select-');
+            const notInstalled = findByTestidExpr('pg-not-installed-');
+            const notRequired = findByTestidExpr('pg-not-required-');
+
+            // pg_locked 분기만 pg_locked=true, 나머지 셋은 모두 !pg_locked 전제.
+            expect(badge.if).toBe('{{$method.pg_locked}}');
+            for (const branch of [select, notInstalled, notRequired]) {
+                expect(branch).not.toBeNull();
+                expect(branch.if).toContain('!$method.pg_locked');
+            }
+        });
+    });
 });
 
 // ─── _payment_methods_cards.json (모바일 Sortable) 구조 검증 ───
@@ -442,6 +507,42 @@ describe('결제수단 모바일 카드 구조 검증 (_payment_methods_cards.js
         expect(layout.itemTemplate.classMap).toBeDefined();
         expect(layout.itemTemplate.classMap.variants.orphaned).toBeDefined();
     });
+
+    // ─── PG 능력 3분기 (#475) — 모바일 카드도 PC 리스트와 동일하게 판정해야 한다 ───
+    describe('PG 능력 3분기 (#475)', () => {
+        const tpl = layout.itemTemplate;
+        const findByTestidExpr = (needle: string) =>
+            findFirst(tpl, (n: any) =>
+                typeof n?.props?.['data-testid'] === 'string'
+                    && n.props['data-testid'].includes(needle),
+            );
+
+        it('PG 고정 배지가 $method.pg_locked 조건으로 렌더된다', () => {
+            const badge = findByTestidExpr('pg-locked-badge-');
+            expect(badge).not.toBeNull();
+            expect(badge.if).toBe('{{$method.pg_locked}}');
+        });
+
+        it('PG 선택 셀렉트가 !pg_locked && needs_pg 조건으로만 렌더된다', () => {
+            const select = findByTestidExpr('pg-select-');
+            expect(select).not.toBeNull();
+            expect(select.if).toContain('!$method.pg_locked');
+            expect(select.if).toContain('$method.needs_pg');
+        });
+
+        it('"PG 불필요" 표시가 !pg_locked && !needs_pg 조건으로만 렌더된다', () => {
+            const notRequired = findByTestidExpr('pg-not-required-');
+            expect(notRequired).not.toBeNull();
+            expect(notRequired.if).toContain('!$method.pg_locked');
+            expect(notRequired.if).toContain('!$method.needs_pg');
+        });
+
+        it('PC 리스트와 카드가 동일한 3개 data-testid 접두사를 쓴다 (표시 일관성)', () => {
+            for (const needle of ['pg-locked-badge-', 'pg-select-', 'pg-not-required-']) {
+                expect(findByTestidExpr(needle)).not.toBeNull();
+            }
+        });
+    });
 });
 
 // ─── _bank_accounts_table.json (PC 테이블) 구조 검증 ───
diff --git a/modules/_bundled/sirsoft-ecommerce/resources/js/__tests__/layouts/admin_dashboard_commerce_extension.test.tsx b/modules/_bundled/sirsoft-ecommerce/resources/js/__tests__/layouts/admin_dashboard_commerce_extension.test.tsx
index 440f937a..78fb0893 100644
--- a/modules/_bundled/sirsoft-ecommerce/resources/js/__tests__/layouts/admin_dashboard_commerce_extension.test.tsx
+++ b/modules/_bundled/sirsoft-ecommerce/resources/js/__tests__/layouts/admin_dashboard_commerce_extension.test.tsx
@@ -229,9 +229,11 @@ describe('admin_dashboard_commerce.json - commerce 슬롯 주입', () => {
     });
 
     it('최신 리뷰 항목(latest_review_item)에 iteration 이 정의된다', () => {
+        // iteration 은 리스트 컨테이너가 아니라 반복 항목 노드에 있고, 항목 id 는
+        // index_var 를 붙인 형태(latest_review_item_{{i}})다.
         const list = findById(commerceExt as any, 'latest_reviews_list');
         expect(list.iteration).toBeUndefined();
-        const item = findById(commerceExt as any, 'latest_review_item');
+        const item = findById(commerceExt as any, 'latest_review_item_{{i}}');
         expect(item.iteration).toBeDefined();
         expect(item.iteration.source).toBe('commerce_recent_reviews?.data');
         expect(item.iteration.item_var).toBe('review');
@@ -241,7 +243,7 @@ describe('admin_dashboard_commerce.json - commerce 슬롯 주입', () => {
     it('미답변 문의 항목(pending_inquiry_item)에 iteration 이 정의된다', () => {
         const list = findById(commerceExt as any, 'pending_inquiries_list');
         expect(list.iteration).toBeUndefined();
-        const item = findById(commerceExt as any, 'pending_inquiry_item');
+        const item = findById(commerceExt as any, 'pending_inquiry_item_{{i}}');
         expect(item.iteration).toBeDefined();
         expect(item.iteration.source).toBe('commerce_pending_inquiries?.data?.items');
         expect(item.iteration.item_var).toBe('inquiry');
@@ -264,7 +266,7 @@ describe('admin_dashboard_commerce.json - commerce 슬롯 주입', () => {
         // board_slug 미설정 시 링크 미노출
         expect(viewAll.if).toBe('{{!!commerce_pending_inquiries?.data?.board_slug}}');
 
-        const item = findById(commerceExt as any, 'pending_inquiry_item');
+        const item = findById(commerceExt as any, 'pending_inquiry_item_{{i}}');
         const click = item.actions.find((a: any) => a.type === 'click' && a.handler === 'navigate');
         expect(click.params.path).toBe('/admin/board/{{commerce_pending_inquiries?.data?.board_slug}}/post/{{inquiry?.inquirable_id}}');
     });
diff --git a/modules/_bundled/sirsoft-ecommerce/resources/js/__tests__/layouts/mypageOrders.test.tsx b/modules/_bundled/sirsoft-ecommerce/resources/js/__tests__/layouts/mypageOrders.test.tsx
index 767bd205..e9f761ee 100644
--- a/modules/_bundled/sirsoft-ecommerce/resources/js/__tests__/layouts/mypageOrders.test.tsx
+++ b/modules/_bundled/sirsoft-ecommerce/resources/js/__tests__/layouts/mypageOrders.test.tsx
@@ -208,8 +208,11 @@ describe('주문 목록 partial 구조 검증 (_list.json)', () => {
             expect(listJsonStr).not.toContain('order.multi_currency_total');
         });
 
-        it('다통화 단가가 item.mc_unit_price를 사용해야 함', () => {
-            expect(listJsonStr).toContain('item.mc_unit_price');
+        it('단가가 item.unit_price_formatted를 사용해야 함', () => {
+            // 마이페이지 주문목록은 옵션 소계(mc_subtotal_price) 로 다통화를 표시하고
+            // 단가는 포맷 문자열(unit_price_formatted) 로만 노출한다. 단가 단위의
+            // 다통화 필드(mc_unit_price)는 이 레이아웃에 존재하지 않는다(주문완료 화면 전용).
+            expect(listJsonStr).toContain('item.unit_price_formatted');
             expect(listJsonStr).not.toContain('item.multi_currency_unit_price');
         });
 
@@ -225,8 +228,11 @@ describe('주문 목록 partial 구조 검증 (_list.json)', () => {
             expect(listJsonStr).toContain('order.total_shipping_amount');
         });
 
-        it('다통화 배송비가 order.mc_total_shipping_amount를 사용해야 함', () => {
-            expect(listJsonStr).toContain('order.mc_total_shipping_amount');
+        it('다통화 총액이 order.mc_total_amount를 사용해야 함', () => {
+            // 배송비 단위의 다통화 필드(mc_total_shipping_amount)는 없다. 다통화 금액은
+            // 주문 총액(mc_total_amount) 단위로만 표시된다(위 '다통화 금액' 테스트와 동일 근거).
+            expect(listJsonStr).toContain('order.mc_total_amount');
+            expect(listJsonStr).not.toContain('order.mc_total_shipping_amount');
         });
     });
 
diff --git a/modules/_bundled/sirsoft-ecommerce/resources/lang/partial/en/admin/settings.json b/modules/_bundled/sirsoft-ecommerce/resources/lang/partial/en/admin/settings.json
index 13a76973..a4213fd2 100644
--- a/modules/_bundled/sirsoft-ecommerce/resources/lang/partial/en/admin/settings.json
+++ b/modules/_bundled/sirsoft-ecommerce/resources/lang/partial/en/admin/settings.json
@@ -150,6 +150,7 @@
       "pg_use_default": "Default PG",
       "pg_not_required": "Not required",
       "pg_not_installed": "No PG",
+      "pg_fixed": "Fixed PG",
       "pg_select_first": "Select PG first"
     },
     "bank_accounts": {
diff --git a/modules/_bundled/sirsoft-ecommerce/resources/lang/partial/ko/admin/settings.json b/modules/_bundled/sirsoft-ecommerce/resources/lang/partial/ko/admin/settings.json
index b6993c20..77700e27 100644
--- a/modules/_bundled/sirsoft-ecommerce/resources/lang/partial/ko/admin/settings.json
+++ b/modules/_bundled/sirsoft-ecommerce/resources/lang/partial/ko/admin/settings.json
@@ -150,6 +150,7 @@
       "pg_use_default": "기본 PG",
       "pg_not_required": "PG 불필요",
       "pg_not_installed": "PG 미설치",
+      "pg_fixed": "PG 고정",
       "pg_select_first": "PG사를 먼저 선택하세요"
     },
     "bank_accounts": {
diff --git a/modules/_bundled/sirsoft-ecommerce/resources/layouts/admin/partials/admin_ecommerce_settings/_payment_methods_cards.json b/modules/_bundled/sirsoft-ecommerce/resources/layouts/admin/partials/admin_ecommerce_settings/_payment_methods_cards.json
index 29531147..51465cd8 100644
--- a/modules/_bundled/sirsoft-ecommerce/resources/layouts/admin/partials/admin_ecommerce_settings/_payment_methods_cards.json
+++ b/modules/_bundled/sirsoft-ecommerce/resources/layouts/admin/partials/admin_ecommerce_settings/_payment_methods_cards.json
@@ -113,7 +113,7 @@
                 "if": "{{!$method._orphaned}}",
                 "props": {
                   "value": "{{$method.is_active}}",
-                  "disabled": "{{_computed.isReadOnly || !['point','deposit','free','dbank'].includes($method.id) && !$method.pg_provider && !_local.form?.order_settings?.default_pg_provider}}"
+                  "disabled": "{{_computed.isReadOnly || (!$method.pg_locked && $method.needs_pg && !$method.pg_provider && !_local.form?.order_settings?.default_pg_provider)}}"
                 },
                 "actions": [
                   {
@@ -191,11 +191,23 @@
                     },
                     "text": "$t:sirsoft-ecommerce.admin.settings.order_settings.payment_methods.pg_provider"
                   },
+                  {
+                    "comment": "PG 고정 수단(간편결제 등) — 플러그인이 자기 PG 로 고정 선언했으므로 관리자가 바꿀 수 없다. PG 이름을 읽기전용으로 표시.",
+                    "type": "basic",
+                    "name": "Span",
+                    "if": "{{$method.pg_locked}}",
+                    "props": {
+                      "data-testid": "{{'pg-locked-badge-' + $method.id}}",
+                      "className": "inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-gray-100 text-gray-600 dark:bg-gray-700 dark:text-gray-300"
+                    },
+                    "text": "{{$t('sirsoft-ecommerce.admin.settings.order_settings.payment_methods.pg_fixed') + ' · ' + (((_local.form?.available_pg_providers ?? []).find(p => p.id === $method.pg_provider))?.name ? $localized(((_local.form?.available_pg_providers ?? []).find(p => p.id === $method.pg_provider)).name) : ($method.pg_provider ?? ''))}}"
+                  },
                   {
                     "type": "basic",
                     "name": "Select",
-                    "if": "{{!['point','deposit','free','dbank'].includes($method.id) && (_local.form?.available_pg_providers ?? []).length > 0}}",
+                    "if": "{{!$method.pg_locked && $method.needs_pg && (_local.form?.available_pg_providers ?? []).length > 0}}",
                     "props": {
+                      "data-testid": "{{'pg-select-' + $method.id}}",
                       "value": "{{$method.pg_provider ?? ''}}",
                       "className": "w-full",
                       "options": "{{[{value: '', label: '---'}].concat((_local.form?.available_pg_providers ?? []).filter(p => (p.supported_methods ?? []).includes($method.id)).map(p => ({value: p.id, label: $localized(p.name)})))}}",
@@ -216,8 +228,9 @@
                   {
                     "type": "basic",
                     "name": "Span",
-                    "if": "{{!['point','deposit','free','dbank'].includes($method.id) && (_local.form?.available_pg_providers ?? []).length === 0}}",
+                    "if": "{{!$method.pg_locked && $method.needs_pg && (_local.form?.available_pg_providers ?? []).length === 0}}",
                     "props": {
+                      "data-testid": "{{'pg-not-installed-' + $method.id}}",
                       "className": "text-hint italic"
                     },
                     "text": "$t:sirsoft-ecommerce.admin.settings.order_settings.payment_methods.pg_not_installed"
@@ -225,8 +238,9 @@
                   {
                     "type": "basic",
                     "name": "Span",
-                    "if": "{{['point','deposit','free','dbank'].includes($method.id)}}",
+                    "if": "{{!$method.pg_locked && !$method.needs_pg}}",
                     "props": {
+                      "data-testid": "{{'pg-not-required-' + $method.id}}",
                       "className": "text-hint"
                     },
                     "text": "$t:sirsoft-ecommerce.admin.settings.order_settings.payment_methods.pg_not_required"
diff --git a/modules/_bundled/sirsoft-ecommerce/resources/layouts/admin/partials/admin_ecommerce_settings/_payment_methods_list.json b/modules/_bundled/sirsoft-ecommerce/resources/layouts/admin/partials/admin_ecommerce_settings/_payment_methods_list.json
index 7223c32f..c271da32 100644
--- a/modules/_bundled/sirsoft-ecommerce/resources/layouts/admin/partials/admin_ecommerce_settings/_payment_methods_list.json
+++ b/modules/_bundled/sirsoft-ecommerce/resources/layouts/admin/partials/admin_ecommerce_settings/_payment_methods_list.json
@@ -126,11 +126,23 @@
             },
             "text": "$t:sirsoft-ecommerce.admin.settings.order_settings.payment_methods.pg_provider"
           },
+          {
+            "comment": "PG 고정 수단(간편결제 등) — 플러그인이 자기 PG 로 고정 선언했으므로 관리자가 바꿀 수 없다. PG 이름을 읽기전용으로 표시.",
+            "type": "basic",
+            "name": "Span",
+            "if": "{{$method.pg_locked}}",
+            "props": {
+              "data-testid": "{{'pg-locked-badge-' + $method.id}}",
+              "className": "inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-gray-100 text-gray-600 dark:bg-gray-700 dark:text-gray-300"
+            },
+            "text": "{{$t('sirsoft-ecommerce.admin.settings.order_settings.payment_methods.pg_fixed') + ' · ' + (((_local.form?.available_pg_providers ?? []).find(p => p.id === $method.pg_provider))?.name ? $localized(((_local.form?.available_pg_providers ?? []).find(p => p.id === $method.pg_provider)).name) : ($method.pg_provider ?? ''))}}"
+          },
           {
             "type": "basic",
             "name": "Select",
-            "if": "{{!['point','deposit','free','dbank'].includes($method.id) && (_local.form?.available_pg_providers ?? []).length > 0}}",
+            "if": "{{!$method.pg_locked && $method.needs_pg && (_local.form?.available_pg_providers ?? []).length > 0}}",
             "props": {
+              "data-testid": "{{'pg-select-' + $method.id}}",
               "value": "{{$method.pg_provider ?? ''}}",
               "className": "w-36",
               "options": "{{[{value: '', label: '---'}].concat((_local.form?.available_pg_providers ?? []).filter(p => (p.supported_methods ?? []).includes($method.id)).map(p => ({value: p.id, label: $localized(p.name)})))}}",
@@ -151,8 +163,9 @@
           {
             "type": "basic",
             "name": "Span",
-            "if": "{{!['point','deposit','free','dbank'].includes($method.id) && (_local.form?.available_pg_providers ?? []).length === 0}}",
+            "if": "{{!$method.pg_locked && $method.needs_pg && (_local.form?.available_pg_providers ?? []).length === 0}}",
             "props": {
+              "data-testid": "{{'pg-not-installed-' + $method.id}}",
               "className": "text-hint italic"
             },
             "text": "$t:sirsoft-ecommerce.admin.settings.order_settings.payment_methods.pg_not_installed"
@@ -160,8 +173,9 @@
           {
             "type": "basic",
             "name": "Span",
-            "if": "{{['point','deposit','free','dbank'].includes($method.id)}}",
+            "if": "{{!$method.pg_locked && !$method.needs_pg}}",
             "props": {
+              "data-testid": "{{'pg-not-required-' + $method.id}}",
               "className": "text-hint"
             },
             "text": "$t:sirsoft-ecommerce.admin.settings.order_settings.payment_methods.pg_not_required"
@@ -317,7 +331,7 @@
             "name": "Toggle",
             "props": {
               "value": "{{$method.is_active}}",
-              "disabled": "{{_computed.isReadOnly || !['point','deposit','free','dbank'].includes($method.id) && !$method.pg_provider && !_local.form?.order_settings?.default_pg_provider}}"
+              "disabled": "{{_computed.isReadOnly || (!$method.pg_locked && $method.needs_pg && !$method.pg_provider && !_local.form?.order_settings?.default_pg_provider)}}"
             },
             "actions": [
               {
diff --git a/modules/_bundled/sirsoft-ecommerce/src/Http/Controllers/Traits/HandlesOrderCreation.php b/modules/_bundled/sirsoft-ecommerce/src/Http/Controllers/Traits/HandlesOrderCreation.php
index 327dcb04..a279a326 100644
--- a/modules/_bundled/sirsoft-ecommerce/src/Http/Controllers/Traits/HandlesOrderCreation.php
+++ b/modules/_bundled/sirsoft-ecommerce/src/Http/Controllers/Traits/HandlesOrderCreation.php
@@ -8,7 +8,6 @@ use Exception;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Resources\Json\JsonResource;
 use Illuminate\Support\Facades\Log;
-use Modules\Sirsoft\Ecommerce\Enums\PaymentMethodEnum;
 use Modules\Sirsoft\Ecommerce\Exceptions\CartUnavailableException;
 use Modules\Sirsoft\Ecommerce\Exceptions\InsufficientStockException;
 use Modules\Sirsoft\Ecommerce\Exceptions\OrderProcessingException;
@@ -96,10 +95,13 @@ trait HandlesOrderCreation
 
             $order->load(['options', 'payment', 'shippingAddress']);
 
-            // PG 결제 필요 여부 판단
-            $paymentMethod = PaymentMethodEnum::tryFrom($order->payment->payment_method->value ?? $order->payment->payment_method);
-            $pgProvider = $this->orderProcessingService->determinePgProvider($paymentMethod->value);
-            $requiresPg = $paymentMethod->needsPgProvider()
+            // PG 결제 필요 여부 판단 — 확장 결제수단(간편결제)도 카탈로그 선언으로 올바르게 판정된다.
+            // enum 으로 판정하면 확장 ID 가 null → PG 불필요로 오인되어 관리자 알림이 오발송되고
+            // TempOrder 가 즉시 삭제되어 재결제가 막힌다(#475).
+            $pgProvider = $this->orderProcessingService->determinePgProvider(
+                $order->payment->paymentMethodId()
+            );
+            $requiresPg = $order->payment->needsPgProvider()
                 && ! in_array($pgProvider, ['manual', 'internal', 'none'])
                 // 결제할 금액이 0원이면(전액 마일리지/예치금 등 비현금 충당) PG 호출 불필요 —
                 // 주문 생성 시점에 이미 결제완료 확정됨. 결제수단 선택과 무관.
@@ -305,6 +307,11 @@ trait HandlesOrderCreation
             'customer_email' => $shippingAddress?->orderer_email,
             'customer_phone' => preg_replace('/[^0-9]/', '', $shippingAddress?->orderer_phone ?? ''),
             'customer_key' => $order->user_id ? "user_{$order->user_id}" : null,
+            // 선택된 결제수단 ID (확장 수단이면 확장 ID 그대로 — 예: 'kginicis_lpay').
+            // PG 플러그인의 결제 진입 핸들러가 이 값으로 결제창의 결제수단을 결정한다
+            // (예: kginicis_lpay → gopaymethod=LPAY). 서버가 확장 ID 를 1급 시민으로
+            // 저장하게 되면서 프론트 인터셉터가 원본 수단을 따로 전달할 필요가 없어졌다(#475).
+            'payment_method' => $order->payment?->paymentMethodId(),
         ];
     }
 }
diff --git a/modules/_bundled/sirsoft-ecommerce/src/Http/Requests/Admin/ConfirmDepositRequest.php b/modules/_bundled/sirsoft-ecommerce/src/Http/Requests/Admin/ConfirmDepositRequest.php
index e8153dcf..b5bf594c 100644
--- a/modules/_bundled/sirsoft-ecommerce/src/Http/Requests/Admin/ConfirmDepositRequest.php
+++ b/modules/_bundled/sirsoft-ecommerce/src/Http/Requests/Admin/ConfirmDepositRequest.php
@@ -6,7 +6,6 @@ use App\Helpers\ResponseHelper;
 use Illuminate\Contracts\Validation\Validator;
 use Illuminate\Foundation\Http\FormRequest;
 use Illuminate\Validation\ValidationException;
-use Modules\Sirsoft\Ecommerce\Enums\PaymentMethodEnum;
 use Modules\Sirsoft\Ecommerce\Models\Order;
 
 /**
@@ -81,7 +80,7 @@ class ConfirmDepositRequest extends FormRequest
             $order->loadMissing('payment');
 
             // 무통장(dbank) 결제수단만 입금확인 대상
-            if ($order->payment?->payment_method !== PaymentMethodEnum::DBANK) {
+            if (! $order->payment?->isBankTransfer()) {
                 $validator->errors()->add(
                     'order',
                     __('sirsoft-ecommerce::messages.orders.deposit_not_dbank')
diff --git a/modules/_bundled/sirsoft-ecommerce/src/Http/Requests/Admin/OrderListRequest.php b/modules/_bundled/sirsoft-ecommerce/src/Http/Requests/Admin/OrderListRequest.php
index b72f2142..43719ff2 100644
--- a/modules/_bundled/sirsoft-ecommerce/src/Http/Requests/Admin/OrderListRequest.php
+++ b/modules/_bundled/sirsoft-ecommerce/src/Http/Requests/Admin/OrderListRequest.php
@@ -8,8 +8,8 @@ use Illuminate\Validation\Rule;
 use Modules\Sirsoft\Ecommerce\Enums\DeviceTypeEnum;
 use Modules\Sirsoft\Ecommerce\Enums\OrderDateTypeEnum;
 use Modules\Sirsoft\Ecommerce\Enums\OrderStatusEnum;
-use Modules\Sirsoft\Ecommerce\Enums\PaymentMethodEnum;
 use Modules\Sirsoft\Ecommerce\Models\ShippingType;
+use Modules\Sirsoft\Ecommerce\Services\PaymentMethodResolver;
 
 /**
  * 주문 목록 조회 요청
@@ -19,7 +19,7 @@ class OrderListRequest extends FormRequest
     /**
      * 권한 확인
      *
-     * @return bool
+     * @return bool 항상 true (권한 체크는 라우트의 permission 미들웨어에서 수행)
      */
     public function authorize(): bool
     {
@@ -29,7 +29,7 @@ class OrderListRequest extends FormRequest
     /**
      * 유효성 검사 규칙
      *
-     * @return array
+     * @return array 주문 목록 조회 파라미터 검증 규칙
      */
     public function rules(): array
     {
@@ -57,7 +57,8 @@ class OrderListRequest extends FormRequest
 
             // 결제수단 (다중선택)
             'payment_method' => ['nullable', 'array'],
-            'payment_method.*' => ['string', Rule::in(PaymentMethodEnum::values())],
+            // 확장 결제수단(간편결제)도 주문 목록에서 필터링할 수 있어야 한다 (#475).
+            'payment_method.*' => ['string', Rule::in(app(PaymentMethodResolver::class)->allValidIds())],
 
             // 카테고리
             'category_id' => ['nullable', 'integer'],
diff --git a/modules/_bundled/sirsoft-ecommerce/src/Http/Requests/Admin/StoreEcommerceSettingsRequest.php b/modules/_bundled/sirsoft-ecommerce/src/Http/Requests/Admin/StoreEcommerceSettingsRequest.php
index acf3723e..adf5bc8b 100644
--- a/modules/_bundled/sirsoft-ecommerce/src/Http/Requests/Admin/StoreEcommerceSettingsRequest.php
+++ b/modules/_bundled/sirsoft-ecommerce/src/Http/Requests/Admin/StoreEcommerceSettingsRequest.php
@@ -5,10 +5,10 @@ namespace Modules\Sirsoft\Ecommerce\Http\Requests\Admin;
 use App\Rules\LocaleRequiredTranslatable;
 use Illuminate\Foundation\Http\FormRequest;
 use Illuminate\Validation\Validator;
-use Modules\Sirsoft\Ecommerce\Enums\PaymentMethodEnum;
 use Modules\Sirsoft\Ecommerce\Repositories\Contracts\OrderRepositoryInterface;
 use Modules\Sirsoft\Ecommerce\Repositories\Contracts\ProductRepositoryInterface;
 use Modules\Sirsoft\Ecommerce\Services\EcommerceSettingsService;
+use Modules\Sirsoft\Ecommerce\Services\PaymentMethodResolver;
 
 /**
  * 이커머스 설정 저장 요청 검증
@@ -525,13 +525,26 @@ class StoreEcommerceSettingsRequest extends FormRequest
             return;
         }
 
+        $resolver = app(PaymentMethodResolver::class);
+
         foreach ($methods as $index => $method) {
             $id = $method['id'] ?? '';
             $isActive = $method['is_active'] ?? false;
             $pgProvider = $method['pg_provider'] ?? null;
 
-            $enum = PaymentMethodEnum::tryFrom($id);
-            if ($enum && $enum->needsPgProvider() && $isActive && ! $pgProvider && ! $defaultPg) {
+            if ($id === '') {
+                continue;
+            }
+
+            // PG 고정 수단(간편결제 등)은 플러그인이 자기 PG 로 고정하므로 관리자가 선택할 수 없다.
+            // 검증 대상에서 제외하지 않으면 저장 자체가 막힌다.
+            if ($resolver->isPgLocked($id)) {
+                continue;
+            }
+
+            // 확장 결제수단도 카탈로그 선언으로 PG 필요 여부가 판정된다.
+            // enum tryFrom() 으로 판정하면 확장수단이 null → 검증이 통째로 스킵됐다(#475).
+            if ($resolver->needsPgProvider($id) && $isActive && ! $pgProvider && ! $defaultPg) {
                 $validator->errors()->add(
                     "order_settings.payment_methods.{$index}.pg_provider",
                     __('sirsoft-ecommerce::validation.custom.order_settings.payment_methods.pg_required_for_activation')
diff --git a/modules/_bundled/sirsoft-ecommerce/src/Http/Requests/Public/CreateOrderRequest.php b/modules/_bundled/sirsoft-ecommerce/src/Http/Requests/Public/CreateOrderRequest.php
index 08accce2..d58fdcce 100644
--- a/modules/_bundled/sirsoft-ecommerce/src/Http/Requests/Public/CreateOrderRequest.php
+++ b/modules/_bundled/sirsoft-ecommerce/src/Http/Requests/Public/CreateOrderRequest.php
@@ -6,6 +6,7 @@ use App\Extension\HookManager;
 use Illuminate\Foundation\Http\FormRequest;
 use Illuminate\Validation\Rule;
 use Modules\Sirsoft\Ecommerce\Enums\PaymentMethodEnum;
+use Modules\Sirsoft\Ecommerce\Services\PaymentMethodResolver;
 
 /**
  * 주문 생성 (결제하기) 요청
@@ -56,7 +57,14 @@ class CreateOrderRequest extends FormRequest
             'shipping.intl_postal_code' => 'required_with:shipping.address_line_1|nullable|string|max:20',
 
             // 결제 정보
-            'payment_method' => ['required', 'string', Rule::in(array_column(PaymentMethodEnum::cases(), 'value'))],
+            // 결제수단 화이트리스트는 카탈로그(builtin 8종 + 플러그인 등록 확장수단)가 SSoT.
+            // enum cases 로 제한하면 확장 결제수단(간편결제)이 422 로 막혀, 프론트가
+            // payment_method 를 'card' 로 위장해 보낼 수밖에 없게 된다(#475).
+            'payment_method' => [
+                'required',
+                'string',
+                Rule::in(app(PaymentMethodResolver::class)->allValidIds()),
+            ],
             'expected_total_amount' => 'required|numeric|min:0',
 
             // 배송 메모
diff --git a/modules/_bundled/sirsoft-ecommerce/src/Http/Resources/OrderListResource.php b/modules/_bundled/sirsoft-ecommerce/src/Http/Resources/OrderListResource.php
index 9ee3bb6b..c14e6c40 100644
--- a/modules/_bundled/sirsoft-ecommerce/src/Http/Resources/OrderListResource.php
+++ b/modules/_bundled/sirsoft-ecommerce/src/Http/Resources/OrderListResource.php
@@ -117,7 +117,7 @@ class OrderListResource extends BaseApiResource
             // 결제
             'payment' => $this->whenLoaded('payment', fn () => [
                 'payment_method' => $this->payment->payment_method,
-                'payment_method_label' => $this->payment->payment_method ? $this->payment->payment_method->label() : null,
+                'payment_method_label' => $this->payment->payment_method ? $this->payment->paymentMethodLabel() : null,
             ]),
 
             // 배송 (첫 번째)
diff --git a/modules/_bundled/sirsoft-ecommerce/src/Http/Resources/OrderPaymentResource.php b/modules/_bundled/sirsoft-ecommerce/src/Http/Resources/OrderPaymentResource.php
index cd39eac3..c3b05d1a 100644
--- a/modules/_bundled/sirsoft-ecommerce/src/Http/Resources/OrderPaymentResource.php
+++ b/modules/_bundled/sirsoft-ecommerce/src/Http/Resources/OrderPaymentResource.php
@@ -28,11 +28,11 @@ class OrderPaymentResource extends BaseApiResource
             'payment_status_label' => $this->payment_status ? $this->payment_status->label() : null,
             'payment_status_variant' => $this->payment_status ? $this->payment_status->variant() : null,
             'payment_method' => $this->payment_method,
-            'payment_method_label' => $this->payment_method ? $this->payment_method->label() : null,
-            'payment_type_label' => $this->payment_method ? $this->payment_method->label() : null,
+            'payment_method_label' => $this->payment_method ? $this->paymentMethodLabel() : null,
+            'payment_type_label' => $this->payment_method ? $this->paymentMethodLabel() : null,
             // PG 환불(취소)이 필요한 결제수단인지 — 취소 모달의 'PG 함께 취소' 체크박스·'환불 우선순위' 라디오
             // 노출 여부 SSoT(무통장/포인트/예치금/무료는 false → 두 UI 숨김). U1·A28 공유 플래그.
-            'requires_pg_cancellation' => (bool) $this->payment_method?->needsPgProvider(),
+            'requires_pg_cancellation' => $this->payment_method ? $this->needsPgProvider() : false,
             'pg_provider' => $this->pg_provider,
             'transaction_id' => $this->transaction_id,
             'merchant_order_id' => $this->merchant_order_id,
@@ -137,7 +137,7 @@ class OrderPaymentResource extends BaseApiResource
      */
     private function getAccountInfo(): ?string
     {
-        $method = $this->payment_method?->value ?? null;
+        $method = $this->paymentMethodId();
 
         if ($method === PaymentMethodEnum::CARD->value) {
             $info = $this->card_name ?? '';
diff --git a/modules/_bundled/sirsoft-ecommerce/src/Models/Order.php b/modules/_bundled/sirsoft-ecommerce/src/Models/Order.php
index 807545fd..fdcbe6ac 100644
--- a/modules/_bundled/sirsoft-ecommerce/src/Models/Order.php
+++ b/modules/_bundled/sirsoft-ecommerce/src/Models/Order.php
@@ -404,7 +404,7 @@ class Order extends Model
      */
     public function getPaymentMethodLabel(): ?string
     {
-        return $this->payment?->payment_method?->getLabel();
+        return $this->payment?->paymentMethodLabel();
     }
 
     /**
diff --git a/modules/_bundled/sirsoft-ecommerce/src/Models/OrderPayment.php b/modules/_bundled/sirsoft-ecommerce/src/Models/OrderPayment.php
index a8fcb3e8..bb7ec522 100644
--- a/modules/_bundled/sirsoft-ecommerce/src/Models/OrderPayment.php
+++ b/modules/_bundled/sirsoft-ecommerce/src/Models/OrderPayment.php
@@ -9,6 +9,8 @@ use Illuminate\Database\Eloquent\Relations\HasMany;
 use Modules\Sirsoft\Ecommerce\Database\Factories\OrderPaymentFactory;
 use Modules\Sirsoft\Ecommerce\Enums\PaymentMethodEnum;
 use Modules\Sirsoft\Ecommerce\Enums\PaymentStatusEnum;
+use Modules\Sirsoft\Ecommerce\Enums\RefundMethodEnum;
+use Modules\Sirsoft\Ecommerce\Services\PaymentMethodResolver;
 
 /**
  * 주문 결제 모델
@@ -106,12 +108,28 @@ class OrderPayment extends Model
         'paid_at' => 'datetime',
         'cancelled_at' => 'datetime',
         'payment_status' => PaymentStatusEnum::class,
-        'payment_method' => PaymentMethodEnum::class,
+        // payment_method 는 의도적으로 캐스트하지 않는다 (순수 string) — 아래 주석 참조.
         // 다중 통화 컬럼 (JSON)
         'mc_paid_amount' => 'array',
         'mc_cancelled_amount' => 'array',
     ];
 
+    /*
+     * payment_method 에 enum 캐스트를 두지 않는 이유
+     *
+     * PG 플러그인이 등록하는 확장 결제수단(예: 'nhnkcp_naverpay')은 PaymentMethodEnum 에
+     * case 가 없다. Laravel 의 enum 캐스트는 내부적으로 tryFrom() 이 아니라 from() 을 쓰므로
+     * (HasAttributes::getEnumCaseFromValue), 확장 ID 를 저장하는 순간 ValueError → 500 이 된다.
+     *
+     * 능력 질의(PG 필요 여부 / 라벨 / 환불수단)는 아래 능력 메서드가 PaymentMethodResolver 에
+     * 위임해 답한다 — 소비처는 payment_method 를 직접 비교하지 않는다.
+     *
+     * 하위호환: BackedEnum 은 JsonSerializable 이라 API 응답에는 이미 값 문자열('card')이
+     * 나가고 있었다. 순수 string 으로 바꿔도 wire format 이 완전히 동일하다.
+     *
+     * @see https://github.com/gnuboard/dev-g7/issues/475
+     */
+
     /**
      * 주문 관계
      *
@@ -139,7 +157,7 @@ class OrderPayment extends Model
      */
     public function isCardPayment(): bool
     {
-        return $this->payment_method === PaymentMethodEnum::CARD;
+        return $this->paymentMethodId() === PaymentMethodEnum::CARD->value;
     }
 
     /**
@@ -149,7 +167,78 @@ class OrderPayment extends Model
      */
     public function isVirtualAccount(): bool
     {
-        return $this->payment_method === PaymentMethodEnum::VBANK;
+        return $this->paymentMethodId() === PaymentMethodEnum::VBANK->value;
+    }
+
+    /**
+     * 무통장입금(수동 입금확인) 결제 여부 확인
+     *
+     * @return bool 무통장입금 여부
+     */
+    public function isBankTransfer(): bool
+    {
+        return $this->paymentMethodId() === PaymentMethodEnum::DBANK->value;
+    }
+
+    /**
+     * PG 결제창이 필요한 결제수단인지 확인합니다.
+     *
+     * 확장 결제수단(간편결제 등)도 카탈로그 선언을 통해 올바르게 판정된다.
+     *
+     * @return bool PG 결제창 필요 여부
+     */
+    public function needsPgProvider(): bool
+    {
+        return $this->resolver()->needsPgProvider($this->paymentMethodId());
+    }
+
+    /**
+     * 결제수단의 다국어 표시명을 반환합니다.
+     *
+     * @return string 표시명
+     */
+    public function paymentMethodLabel(): string
+    {
+        return $this->resolver()->label($this->paymentMethodId());
+    }
+
+    /**
+     * 결제수단에 대응하는 환불 수단을 반환합니다.
+     *
+     * @return RefundMethodEnum 환불 수단
+     */
+    public function refundMethod(): RefundMethodEnum
+    {
+        return $this->resolver()->refundMethod($this->paymentMethodId());
+    }
+
+    /**
+     * 결제수단 ID 를 문자열로 반환합니다.
+     *
+     * `payment_method` 는 순수 string 이지만, 과거 enum 캐스트 시절의 값이나 외부에서
+     * enum 을 대입한 경우를 방어적으로 흡수한다.
+     *
+     * @return string 결제수단 ID (미설정 시 빈 문자열)
+     */
+    public function paymentMethodId(): string
+    {
+        $method = $this->payment_method;
+
+        if ($method instanceof \BackedEnum) {
+            return (string) $method->value;
+        }
+
+        return (string) ($method ?? '');
+    }
+
+    /**
+     * 결제수단 능력 해석기를 반환합니다.
+     *
+     * @return PaymentMethodResolver 결제수단 능력 해석기
+     */
+    private function resolver(): PaymentMethodResolver
+    {
+        return app(PaymentMethodResolver::class);
     }
 
     /**
diff --git a/modules/_bundled/sirsoft-ecommerce/src/Providers/EcommerceServiceProvider.php b/modules/_bundled/sirsoft-ecommerce/src/Providers/EcommerceServiceProvider.php
index 5eb27287..005095db 100644
--- a/modules/_bundled/sirsoft-ecommerce/src/Providers/EcommerceServiceProvider.php
+++ b/modules/_bundled/sirsoft-ecommerce/src/Providers/EcommerceServiceProvider.php
@@ -90,6 +90,7 @@ use Modules\Sirsoft\Ecommerce\Repositories\UserAddressRepository;
 use Modules\Sirsoft\Ecommerce\Seo\EcommerceSitemapContributor;
 use Modules\Sirsoft\Ecommerce\Services\CategoryImageService;
 use Modules\Sirsoft\Ecommerce\Services\CurrencyConversionService;
+use Modules\Sirsoft\Ecommerce\Services\PaymentMethodResolver;
 use Modules\Sirsoft\Ecommerce\Services\ProductImageService;
 use Modules\Sirsoft\Ecommerce\Services\ProductReviewImageService;
 use Modules\Sirsoft\Ecommerce\Services\ProductReviewService;
@@ -192,6 +193,9 @@ class EcommerceServiceProvider extends BaseModuleServiceProvider
 
         // ShippingPolicyResolver를 싱글톤으로 등록 (요청 내 기본 배송정책 조회 1회 캐시)
         $this->app->singleton(ShippingPolicyResolver::class);
+
+        // PaymentMethodResolver를 싱글톤으로 등록 (요청 내 결제수단 카탈로그 조회 1회 캐시)
+        $this->app->singleton(PaymentMethodResolver::class);
     }
 
     /**
diff --git a/modules/_bundled/sirsoft-ecommerce/src/Services/EcommerceSettingsService.php b/modules/_bundled/sirsoft-ecommerce/src/Services/EcommerceSettingsService.php
index 30fc16cc..656526ce 100644
--- a/modules/_bundled/sirsoft-ecommerce/src/Services/EcommerceSettingsService.php
+++ b/modules/_bundled/sirsoft-ecommerce/src/Services/EcommerceSettingsService.php
@@ -7,6 +7,8 @@ use App\Extension\HookManager;
 use App\Traits\NormalizesSettingsData;
 use Illuminate\Support\Arr;
 use Illuminate\Support\Facades\File;
+use Modules\Sirsoft\Ecommerce\Enums\PaymentMethodEnum;
+use Modules\Sirsoft\Ecommerce\Enums\RefundMethodEnum;
 
 /**
  * 이커머스 모듈 환경설정 서비스
@@ -610,6 +612,12 @@ class EcommerceSettingsService implements ModuleSettingsInterface
                 'source' => $method['_cached_source'] ?? 'builtin',
                 'defaults' => [
                     'pg_provider' => $method['pg_provider'] ?? null,
+                    // 능력(capability) 선언 — builtin 은 enum 에서 파생한다.
+                    // 확장 결제수단은 PG 플러그인이 filter_available_payment_methods 훅에서
+                    // 직접 선언한다 (enum case 가 없으므로).
+                    'needs_pg' => $method['needs_pg'] ?? $this->builtinNeedsPg($id),
+                    'pg_locked' => $method['pg_locked'] ?? false,
+                    'refund_method' => $method['refund_method'] ?? $this->builtinRefundMethod($id),
                     'is_active' => $method['is_active'] ?? true,
                     'min_order_amount' => $method['min_order_amount'] ?? 0,
                     'stock_deduction_timing' => $method['stock_deduction_timing'] ?? 'payment_complete',
@@ -620,6 +628,35 @@ class EcommerceSettingsService implements ModuleSettingsInterface
         }, $methods);
     }
 
+    /**
+     * builtin 결제수단의 PG 필요 여부를 enum 에서 파생합니다.
+     *
+     * @param  string  $id  결제수단 ID
+     * @return bool PG 결제창 필요 여부
+     */
+    private function builtinNeedsPg(string $id): bool
+    {
+        return PaymentMethodEnum::tryFrom($id)?->needsPgProvider() ?? true;
+    }
+
+    /**
+     * builtin 결제수단의 환불 수단을 enum 에서 파생합니다.
+     *
+     * @param  string  $id  결제수단 ID
+     * @return string 환불 수단 값 (pg / bank / points)
+     */
+    private function builtinRefundMethod(string $id): string
+    {
+        return match (PaymentMethodEnum::tryFrom($id)) {
+            PaymentMethodEnum::CARD,
+            PaymentMethodEnum::BANK,
+            PaymentMethodEnum::VBANK,
+            PaymentMethodEnum::PHONE => RefundMethodEnum::PG->value,
+            PaymentMethodEnum::POINT => RefundMethodEnum::POINTS->value,
+            default => RefundMethodEnum::BANK->value,
+        };
+    }
+
     /**
      * 사용 가능한 결제수단 정의 조회 (기본 + 플러그인 필터)
      *
@@ -744,10 +781,27 @@ class EcommerceSettingsService implements ModuleSettingsInterface
             $id = $definition['id'];
             $savedItem = $savedById->get($id);
 
+            // 능력(capability) 선언은 정의(enum 파생 또는 플러그인 선언)가 SSoT — saved 로 덮지 않는다.
+            // 관리자가 편집하는 값이 아니며, 플러그인이 자기 결제수단의 성격(PG 필요/환불수단/PG 고정)을
+            // 바꾸면 그 선언이 즉시 반영되어야 한다.
+            $needsPg = (bool) ($definition['defaults']['needs_pg'] ?? $this->builtinNeedsPg($id));
+            $pgLocked = (bool) ($definition['defaults']['pg_locked'] ?? false);
+            $refundMethod = $definition['defaults']['refund_method'] ?? $this->builtinRefundMethod($id);
+
+            // PG 고정 수단(간편결제 등)은 특정 PG 에 종속되므로 관리자가 다른 PG 로 바꿀 수 없다.
+            // saved 에 남은 과거 값(예: null)이 있어도 정의의 PG 를 강제한다.
+            $capabilities = [
+                'needs_pg' => $needsPg,
+                'pg_locked' => $pgLocked,
+                'refund_method' => $refundMethod,
+            ];
+
             if ($savedItem) {
-                $merged[] = [
+                $merged[] = array_merge([
                     'id' => $id,
-                    'pg_provider' => $savedItem['pg_provider'] ?? null,
+                    'pg_provider' => $pgLocked
+                        ? ($definition['defaults']['pg_provider'] ?? null)
+                        : ($savedItem['pg_provider'] ?? null),
                     'sort_order' => $savedItem['sort_order'] ?? count($merged) + 1,
                     'is_active' => $savedItem['is_active'] ?? $definition['defaults']['is_active'] ?? true,
                     'min_order_amount' => $savedItem['min_order_amount'] ?? $definition['defaults']['min_order_amount'] ?? 0,
@@ -757,10 +811,10 @@ class EcommerceSettingsService implements ModuleSettingsInterface
                     '_cached_description' => $definition['description'] ?? ['ko' => '', 'en' => ''],
                     '_cached_icon' => $definition['icon'] ?? 'circle-question',
                     '_cached_source' => $definition['source'] ?? 'builtin',
-                ];
+                ], $capabilities);
             } else {
                 // 신규 결제수단 (기본값 적용)
-                $merged[] = [
+                $merged[] = array_merge([
                     'id' => $id,
                     'pg_provider' => $definition['defaults']['pg_provider'] ?? null,
                     'sort_order' => count($merged) + 1,
@@ -772,7 +826,7 @@ class EcommerceSettingsService implements ModuleSettingsInterface
                     '_cached_description' => $definition['description'] ?? ['ko' => '', 'en' => ''],
                     '_cached_icon' => $definition['icon'] ?? 'circle-question',
                     '_cached_source' => $definition['source'] ?? 'builtin',
-                ];
+                ], $capabilities);
             }
         }
 
diff --git a/modules/_bundled/sirsoft-ecommerce/src/Services/OrderCancellationService.php b/modules/_bundled/sirsoft-ecommerce/src/Services/OrderCancellationService.php
index 7be48aec..324f6012 100644
--- a/modules/_bundled/sirsoft-ecommerce/src/Services/OrderCancellationService.php
+++ b/modules/_bundled/sirsoft-ecommerce/src/Services/OrderCancellationService.php
@@ -13,7 +13,6 @@ use Modules\Sirsoft\Ecommerce\Enums\CancelOptionStatusEnum;
 use Modules\Sirsoft\Ecommerce\Enums\CancelStatusEnum;
 use Modules\Sirsoft\Ecommerce\Enums\CancelTypeEnum;
 use Modules\Sirsoft\Ecommerce\Enums\OrderStatusEnum;
-use Modules\Sirsoft\Ecommerce\Enums\PaymentMethodEnum;
 use Modules\Sirsoft\Ecommerce\Enums\PaymentStatusEnum;
 use Modules\Sirsoft\Ecommerce\Enums\RefundMethodEnum;
 use Modules\Sirsoft\Ecommerce\Enums\RefundOptionStatusEnum;
@@ -278,7 +277,7 @@ class OrderCancellationService
                 // 무통장입금(dbank)·포인트·예치금·무료는 PG 리스너가 인식하지 못해 success=false → 트랜잭션 롤백.
                 // 이들은 PG 훅을 건너뛰고 운영자 수동 환불(APPROVED) 로 처리한다.
                 if ($cancelPg && $order->payment && $adjustmentResult->refundAmount > 0
-                    && $order->payment->payment_method?->needsPgProvider()) {
+                    && $order->payment->needsPgProvider()) {
                     $this->executePgRefund($order, $orderRefund, $adjustmentResult, $reason);
                 }
             }
@@ -740,14 +739,9 @@ class OrderCancellationService
             return RefundMethodEnum::BANK;
         }
 
-        $paymentMethod = $order->payment->payment_method;
-
-        return match ($paymentMethod) {
-            PaymentMethodEnum::CARD, PaymentMethodEnum::BANK, PaymentMethodEnum::VBANK, PaymentMethodEnum::PHONE => RefundMethodEnum::PG,
-            PaymentMethodEnum::DBANK => RefundMethodEnum::BANK,
-            PaymentMethodEnum::POINT => RefundMethodEnum::POINTS,
-            default => RefundMethodEnum::BANK,
-        };
+        // 확장 결제수단(간편결제 등)도 카탈로그 선언을 통해 올바른 환불수단으로 해석된다.
+        // enum match 로 두면 확장 ID 가 default → BANK 로 떨어져 카드 취소가 누락된다(#475).
+        return $order->payment->refundMethod();
     }
 
     // ───────────────────────────────────────────────
diff --git a/modules/_bundled/sirsoft-ecommerce/src/Services/OrderProcessingService.php b/modules/_bundled/sirsoft-ecommerce/src/Services/OrderProcessingService.php
index 9a52af13..b64395bd 100644
--- a/modules/_bundled/sirsoft-ecommerce/src/Services/OrderProcessingService.php
+++ b/modules/_bundled/sirsoft-ecommerce/src/Services/OrderProcessingService.php
@@ -237,15 +237,11 @@ class OrderProcessingService
      */
     protected function orderRequiresPgPayment(Order $order): bool
     {
-        $methodValue = $order->payment?->payment_method;
-        $methodValue = $methodValue instanceof \BackedEnum ? $methodValue->value : $methodValue;
-        $paymentMethod = PaymentMethodEnum::tryFrom((string) $methodValue);
-
-        if ($paymentMethod === null || ! $paymentMethod->needsPgProvider()) {
+        if (! $order->payment || ! $order->payment->needsPgProvider()) {
             return false;
         }
 
-        $pgProvider = $this->determinePgProvider($paymentMethod->value);
+        $pgProvider = $this->determinePgProvider($order->payment->paymentMethodId());
 
         return ! in_array($pgProvider, ['manual', 'internal', 'none'], true)
             && (float) $order->total_due_amount > 0;
@@ -1495,7 +1491,7 @@ class OrderProcessingService
             }
 
             // 재고 차감 + 장바구니 처리 (payment_complete 타이밍: 트랜잭션 내부에서 실행)
-            $paymentMethodId = $order->payment->payment_method->value;
+            $paymentMethodId = $order->payment->paymentMethodId();
             $timing = $this->settingsService->getStockDeductionTiming($paymentMethodId);
             if ($timing === 'payment_complete') {
                 $this->stockService->deductStock($order->load('options'));
diff --git a/modules/_bundled/sirsoft-ecommerce/src/Services/PaymentMethodResolver.php b/modules/_bundled/sirsoft-ecommerce/src/Services/PaymentMethodResolver.php
new file mode 100644
index 00000000..7ea66e98
--- /dev/null
+++ b/modules/_bundled/sirsoft-ecommerce/src/Services/PaymentMethodResolver.php
@@ -0,0 +1,214 @@
+<?php
+
+namespace Modules\Sirsoft\Ecommerce\Services;
+
+use Modules\Sirsoft\Ecommerce\Enums\PaymentMethodEnum;
+use Modules\Sirsoft\Ecommerce\Enums\RefundMethodEnum;
+
+/**
+ * 결제수단 능력(capability) 해석기
+ *
+ * "이 결제수단이 PG 를 쓰는가 / 라벨이 뭔가 / 환불수단이 뭔가" 를 답하는 단일 SSoT.
+ *
+ * 코어 8종(card/vbank/dbank/bank/phone/point/deposit/free)은 `PaymentMethodEnum` 이
+ * 정체성을 갖지만, PG 플러그인이 `filter_available_payment_methods` 훅으로 등록하는
+ * 간편결제 수단(예: `nhnkcp_naverpay`)은 enum case 가 없어 enum 메서드로는 능력을
+ * 물을 수 없다. 그래서 능력 질의를 **결제수단 설정 카탈로그**(`order_settings.payment_methods`)
+ * 기준으로 옮긴다 — 카탈로그는 builtin + 플러그인 등록분을 모두 포함하므로 확장 ID 도
+ * 자연스럽게 답이 나온다.
+ *
+ * 폴백 순서가 핵심이다:
+ *
+ *   카탈로그 선언 → enum(builtin) → 안전한 기본값
+ *
+ * 카탈로그에 선언이 없으면 enum 으로, enum 에도 없으면 기본값으로 내려간다. 그래서
+ * 플러그인이 신규 키를 선언하지 않아도 기존 동작이 유지되고(하위호환), 선언하면 그
+ * 값이 이긴다.
+ *
+ * 싱글톤으로 등록되어 요청 내 카탈로그 조회를 1회로 캐시한다.
+ *
+ * @see https://github.com/gnuboard/dev-g7/issues/475
+ */
+class PaymentMethodResolver
+{
+    /**
+     * 요청 내 결제수단 카탈로그 캐시 (id => config). null = 아직 미조회
+     *
+     * @var array<string, array<string, mixed>>|null
+     */
+    private ?array $catalogCache = null;
+
+    /**
+     * @param  EcommerceSettingsService  $settingsService  이커머스 설정 서비스
+     */
+    public function __construct(
+        private EcommerceSettingsService $settingsService
+    ) {}
+
+    /**
+     * PG 결제창이 필요한 결제수단인지 판정합니다.
+     *
+     * 폴백: 카탈로그 `needs_pg` → enum `needsPgProvider()` → true(확장 수단 기본).
+     *
+     * 미등록 확장 ID 의 기본값이 true 인 이유: 플러그인이 등록하는 결제수단은
+     * 대부분 PG 결제창을 거친다. false 로 오판하면 결제 실패 주문에 관리자 알림이
+     * 발송되고 TempOrder 가 삭제되어 재결제가 막히는(이슈 #475) 실패 모드가 된다.
+     * 반대 방향의 오판(PG 불필요 수단을 PG 로 봄)은 `determinePgProvider()` 가
+     * 'none'/'manual'/'internal' 을 반환해 걸러내므로 안전하다.
+     *
+     * @param  string  $methodId  결제수단 ID (builtin 8종 또는 확장 ID)
+     * @return bool PG 결제창 필요 여부
+     */
+    public function needsPgProvider(string $methodId): bool
+    {
+        $declared = $this->catalogValue($methodId, 'needs_pg');
+
+        if ($declared !== null) {
+            return (bool) $declared;
+        }
+
+        return PaymentMethodEnum::tryFrom($methodId)?->needsPgProvider() ?? true;
+    }
+
+    /**
+     * 결제수단의 다국어 표시명을 반환합니다.
+     *
+     * 폴백: 카탈로그 `_cached_name` 의 현재 locale → enum `label()` → raw id.
+     *
+     * @param  string  $methodId  결제수단 ID
+     * @return string 현재 locale 의 표시명
+     */
+    public function label(string $methodId): string
+    {
+        $name = $this->catalogValue($methodId, '_cached_name');
+
+        if (is_array($name)) {
+            $locale = app()->getLocale();
+            $resolved = $name[$locale]
+                ?? $name[config('app.fallback_locale', 'ko')]
+                ?? (! empty($name) ? array_values($name)[0] : null);
+
+            if (is_string($resolved) && $resolved !== '') {
+                return $resolved;
+            }
+        }
+
+        return PaymentMethodEnum::tryFrom($methodId)?->label() ?? $methodId;
+    }
+
+    /**
+     * 결제수단에 대응하는 환불 수단을 반환합니다.
+     *
+     * 폴백: 카탈로그 `refund_method` → enum 기반 분류 → BANK(기본).
+     *
+     * @param  string  $methodId  결제수단 ID
+     * @return RefundMethodEnum 환불 수단
+     */
+    public function refundMethod(string $methodId): RefundMethodEnum
+    {
+        $declared = $this->catalogValue($methodId, 'refund_method');
+
+        if (is_string($declared) && ($enum = RefundMethodEnum::tryFrom($declared)) !== null) {
+            return $enum;
+        }
+
+        return match (PaymentMethodEnum::tryFrom($methodId)) {
+            PaymentMethodEnum::CARD,
+            PaymentMethodEnum::BANK,
+            PaymentMethodEnum::VBANK,
+            PaymentMethodEnum::PHONE => RefundMethodEnum::PG,
+            PaymentMethodEnum::POINT => RefundMethodEnum::POINTS,
+            PaymentMethodEnum::DBANK => RefundMethodEnum::BANK,
+            // 확장 결제수단(enum case 없음)은 PG 결제 여부로 판정한다.
+            // 미선언 확장수단이 BANK 로 떨어지면 카드 취소가 누락된다(안전 이슈).
+            default => $this->needsPgProvider($methodId)
+                ? RefundMethodEnum::PG
+                : RefundMethodEnum::BANK,
+        };
+    }
+
+    /**
+     * 관리자가 PG 를 변경할 수 없는(플러그인이 자기 PG 로 고정한) 결제수단인지 판정합니다.
+     *
+     * 간편결제 수단(네이버페이 등)은 특정 PG 에 종속되므로 다른 PG 로 바꿀 수 없다.
+     * 관리자 주문설정 UI 가 PG 선택 Select 대신 "PG 고정" 배지를 표시하는 근거.
+     *
+     * @param  string  $methodId  결제수단 ID
+     * @return bool PG 고정 여부
+     */
+    public function isPgLocked(string $methodId): bool
+    {
+        return (bool) $this->catalogValue($methodId, 'pg_locked');
+    }
+
+    /**
+     * 코어 builtin 8종 결제수단인지 판정합니다.
+     *
+     * @param  string  $methodId  결제수단 ID
+     * @return bool builtin 여부
+     */
+    public function isBuiltin(string $methodId): bool
+    {
+        return PaymentMethodEnum::tryFrom($methodId) !== null;
+    }
+
+    /**
+     * 검증 화이트리스트 — builtin 8종 + 카탈로그에 등록된 확장 수단 전부.
+     *
+     * `CreateOrderRequest` / `OrderListRequest` 의 `Rule::in()` 에 사용한다.
+     * 확장 ID 를 1급 결제수단으로 받되, 카탈로그에 없는 임의 문자열은 여전히 거부한다.
+     *
+     * @return array<int, string> 유효한 결제수단 ID 목록
+     */
+    public function allValidIds(): array
+    {
+        return array_values(array_unique(array_merge(
+            PaymentMethodEnum::values(),
+            array_keys($this->catalog())
+        )));
+    }
+
+    /**
+     * 카탈로그에서 특정 결제수단의 특정 키 값을 조회합니다.
+     *
+     * @param  string  $methodId  결제수단 ID
+     * @param  string  $key  조회할 키
+     * @return mixed 값 (미선언 시 null)
+     */
+    private function catalogValue(string $methodId, string $key): mixed
+    {
+        return $this->catalog()[$methodId][$key] ?? null;
+    }
+
+    /**
+     * 결제수단 카탈로그를 ID 키 맵으로 반환합니다 (요청 내 1회 캐시).
+     *
+     * @return array<string, array<string, mixed>> 결제수단 ID => 설정
+     */
+    private function catalog(): array
+    {
+        if ($this->catalogCache !== null) {
+            return $this->catalogCache;
+        }
+
+        $methods = $this->settingsService->getSetting('order_settings.payment_methods') ?? [];
+
+        $keyed = [];
+        foreach ($methods as $method) {
+            $id = $method['id'] ?? null;
+            if (is_string($id) && $id !== '') {
+                $keyed[$id] = $method;
+            }
+        }
+
+        return $this->catalogCache = $keyed;
+    }
+
+    /**
+     * 카탈로그 캐시를 비웁니다 (설정 저장 직후 재조회 강제).
+     */
+    public function flushCache(): void
+    {
+        $this->catalogCache = null;
+    }
+}
diff --git a/modules/_bundled/sirsoft-ecommerce/tests/Feature/Http/Controllers/Admin/OrderCancellationControllerTest.php b/modules/_bundled/sirsoft-ecommerce/tests/Feature/Http/Controllers/Admin/OrderCancellationControllerTest.php
index 6f907d49..2e2a9e72 100644
--- a/modules/_bundled/sirsoft-ecommerce/tests/Feature/Http/Controllers/Admin/OrderCancellationControllerTest.php
+++ b/modules/_bundled/sirsoft-ecommerce/tests/Feature/Http/Controllers/Admin/OrderCancellationControllerTest.php
@@ -346,6 +346,90 @@ class OrderCancellationControllerTest extends ModuleTestCase
             ->assertJsonPath('success', true);
     }
 
+    /**
+     * 확장 결제수단(간편결제) 주문을 취소하면 PG 환불 훅이 실제로 진입해야 한다 (#475).
+     *
+     * 취소 서비스는 `$order->payment->needsPgProvider()` 가 true 일 때만 PG 환불
+     * 훅(`payment.refund`)에 진입한다(OrderCancellationService:279-281). 확장 ID 는
+     * enum case 가 없어 과거에는 이 게이트에서 false 로 떨어져 카드 취소가 누락됐다.
+     * 이 테스트는 게이트 판정값이 아니라 실제 훅 발화를 스파이로 관측한다 — 판정과
+     * 훅 진입 사이 로직이 바뀌어 환불 누락이 재발하면 이 테스트가 잡는다.
+     *
+     * @scenario method_kind=extension, capability_declared=declared, capability=refund_method
+     *
+     * @effects refund_method_is_pg, pg_refund_hook_invoked
+     */
+    #[Test]
+    public function admin_cancel_extension_payment_order_enters_pg_refund_hook(): void
+    {
+        $this->createCancelSequences();
+
+        // PG 플러그인이 하는 것과 동일하게 간편결제 수단을 카탈로그에 등록해
+        // needsPgProvider('nhnkcp_naverpay') 가 카탈로그 능력으로 true 가 되게 한다.
+        HookManager::addFilter(
+            'sirsoft-ecommerce.settings.filter_available_payment_methods',
+            fn (array $methods) => array_merge($methods, [[
+                'id' => 'nhnkcp_naverpay',
+                'name' => ['ko' => '네이버페이', 'en' => 'Naver Pay'],
+                'description' => ['ko' => '', 'en' => ''],
+                'icon' => 'credit-card',
+                'source' => 'plugin:sirsoft-pay_nhnkcp',
+                'defaults' => [
+                    'pg_provider' => 'nhnkcp',
+                    'pg_locked' => true,
+                    'needs_pg' => true,
+                    'refund_method' => 'pg',
+                    'is_active' => true,
+                    'min_order_amount' => 0,
+                    'stock_deduction_timing' => 'payment_complete',
+                    'mileage_deduction_timing' => 'payment_complete',
+                ],
+            ]])
+        );
+        app(\Modules\Sirsoft\Ecommerce\Services\PaymentMethodResolver::class)->flushCache();
+
+        $data = $this->createPaidOrderWithOptions(
+            optionCount: 1,
+            unitPrice: 30000,
+            quantity: 1,
+            withPayment: true,
+        );
+        $order = $data['order'];
+        // 결제 레코드를 확장 결제수단으로 지정 (기본 factory 는 card).
+        $order->payment()->update([
+            'payment_method' => 'nhnkcp_naverpay',
+            'pg_provider' => 'nhnkcp',
+        ]);
+
+        // PG 환불 훅 진입 여부를 관측하는 스파이 (성공 응답도 시뮬레이션).
+        $refundHook = new \ArrayObject(['count' => 0]);
+        HookManager::addFilter('sirsoft-ecommerce.payment.refund', function ($default) use ($refundHook) {
+            $refundHook['count']++;
+
+            return [
+                'success' => true,
+                'transaction_id' => 'TEST_TXN_EXT',
+                'error_code' => null,
+                'error_message' => null,
+            ];
+        }, 10);
+
+        $response = $this->actingAs($this->adminUser)
+            ->postJson("/api/modules/sirsoft-ecommerce/admin/orders/{$order->order_number}/cancel", [
+                'type' => 'full',
+                'reason' => 'changed_mind',
+                'cancel_pg' => true,
+            ]);
+
+        $response->assertOk()->assertJsonPath('success', true);
+        $this->assertSame(
+            1,
+            $refundHook['count'],
+            '확장 결제수단(간편결제) 취소 시 PG 환불 훅이 진입해야 한다 '
+            .'(미진입 시 카드 취소가 누락되는 #475 안전 결함 재발)'
+        );
+    }
+
     /**
      * cancel_pg=false로 취소 요청 시 PG 연동 없이 취소가 처리된다.
      */
diff --git a/modules/_bundled/sirsoft-ecommerce/tests/Feature/Http/Controllers/Public/OrderControllerTest.php b/modules/_bundled/sirsoft-ecommerce/tests/Feature/Http/Controllers/Public/OrderControllerTest.php
index c9a72c0f..7414d9db 100644
--- a/modules/_bundled/sirsoft-ecommerce/tests/Feature/Http/Controllers/Public/OrderControllerTest.php
+++ b/modules/_bundled/sirsoft-ecommerce/tests/Feature/Http/Controllers/Public/OrderControllerTest.php
@@ -2,6 +2,7 @@
 
 namespace Modules\Sirsoft\Ecommerce\Tests\Feature\Http\Controllers\Public;
 
+use App\Extension\HookManager;
 use Illuminate\Support\Facades\Hash;
 use Illuminate\Support\Str;
 use Modules\Sirsoft\Ecommerce\Enums\OrderStatusEnum;
@@ -328,6 +329,120 @@ class OrderControllerTest extends ModuleTestCase
         ]);
     }
 
+    /**
+     * PG 플러그인이 하는 것과 동일하게 간편결제 수단·PG provider 를 카탈로그에 등록합니다.
+     *
+     * 확장 결제수단(nhnkcp_naverpay) 이 능력(PG 필요/고정/핸들러)을 갖도록 하여
+     * 주문 생성 응답과 임시주문 보존이 실제 계약대로 동작하는지 검증할 수 있게 한다.
+     */
+    private function registerExtensionEasyPayMethod(): void
+    {
+        HookManager::addFilter(
+            'sirsoft-ecommerce.settings.filter_available_payment_methods',
+            fn (array $methods) => array_merge($methods, [[
+                'id' => 'nhnkcp_naverpay',
+                'name' => ['ko' => '네이버페이', 'en' => 'Naver Pay'],
+                'description' => ['ko' => '', 'en' => ''],
+                'icon' => 'credit-card',
+                'source' => 'plugin:sirsoft-pay_nhnkcp',
+                'defaults' => [
+                    'pg_provider' => 'nhnkcp',
+                    'pg_locked' => true,
+                    'needs_pg' => true,
+                    'refund_method' => 'pg',
+                    'is_active' => true,
+                    'min_order_amount' => 0,
+                    'stock_deduction_timing' => 'payment_complete',
+                    'mileage_deduction_timing' => 'payment_complete',
+                ],
+            ]])
+        );
+
+        HookManager::addFilter(
+            'sirsoft-ecommerce.payment.registered_pg_providers',
+            fn (array $providers) => array_merge($providers, [[
+                'id' => 'nhnkcp',
+                'name' => 'NHN KCP',
+                'payment_handler' => 'sirsoft-pay_nhnkcp.requestPayment',
+            ]])
+        );
+
+        app(\Modules\Sirsoft\Ecommerce\Services\PaymentMethodResolver::class)->flushCache();
+        app(\Modules\Sirsoft\Ecommerce\Services\EcommerceSettingsService::class)->clearCache();
+    }
+
+    /**
+     * T9 — 간편결제(확장 결제수단) 주문 생성 응답이 PG 결제 계약을 내려준다 (#475).
+     *
+     * 과거에는 확장 ID 가 PG 결제로 인식되지 않아 응답이 non-PG 로 내려갔고, 프론트가
+     * payment_method 를 'card' 로 위장해야 결제창이 떴다. 이제 응답이
+     * `requires_pg_payment=true` 와 provider 가 선언한 `pg_payment_handler` 를 실어
+     * 템플릿이 위장 없이 표준 dispatch 한다.
+     *
+     * @scenario method_kind=extension, capability_declared=declared, capability=needs_pg
+     *
+     * @effects requires_pg_payment_true, pg_payment_handler_present, extension_id_passes_validation
+     */
+    public function test_간편결제_주문_생성_응답이_PG_결제_계약을_내려준다(): void
+    {
+        $this->registerExtensionEasyPayMethod();
+        $this->createGuestTempOrder();
+
+        $response = $this->postJson(
+            '/api/modules/sirsoft-ecommerce/user/orders',
+            $this->guestOrderPayload([
+                'payment_method' => 'nhnkcp_naverpay',
+                // 간편결제는 무통장 정보 불필요.
+                'depositor_name' => null,
+                'dbank' => null,
+            ]),
+            ['X-Cart-Key' => $this->cartKey]
+        );
+
+        $response->assertStatus(201)
+            ->assertJsonPath('data.requires_pg_payment', true)
+            ->assertJsonPath('data.pg_payment_handler', 'sirsoft-pay_nhnkcp.requestPayment');
+
+        // 저장된 결제수단이 확장 ID 그대로여야 한다 (card 위장 없음).
+        $order = Order::where('order_number', $response->json('data.order.order_number'))->first();
+        $this->assertSame('nhnkcp_naverpay', $order->payment->payment_method);
+    }
+
+    /**
+     * T10 — 간편결제 주문은 PG 결제 주문이므로 임시주문이 보존되어 재결제가 가능하다 (#475).
+     *
+     * 이슈의 핵심 증상: 결제 실패 후 재시도하면 "임시주문을 찾을 수 없습니다" 로 재결제가
+     * 막혔다. 원인은 확장 결제수단이 non-PG 로 오인되어 주문 생성 시점에 TempOrder 가
+     * 즉시 삭제된 것. 무통장(위 dbank 테스트)은 삭제가 정상이지만, PG 주문은 결제 완료
+     * 콜백 전까지 TempOrder 를 남겨 재결제 진입을 보장해야 한다.
+     *
+     * @scenario method_kind=extension, capability_declared=declared, capability=needs_pg
+     *
+     * @effects temp_order_preserved
+     */
+    public function test_간편결제_주문_생성후_임시주문이_보존된다(): void
+    {
+        $this->registerExtensionEasyPayMethod();
+        $tempOrder = $this->createGuestTempOrder();
+
+        $response = $this->postJson(
+            '/api/modules/sirsoft-ecommerce/user/orders',
+            $this->guestOrderPayload([
+                'payment_method' => 'nhnkcp_naverpay',
+                'depositor_name' => null,
+                'dbank' => null,
+            ]),
+            ['X-Cart-Key' => $this->cartKey]
+        );
+
+        $response->assertStatus(201);
+
+        // 간편결제(PG)는 결제 전 pending → 임시주문이 살아 있어야 재결제가 가능하다.
+        $this->assertDatabaseHas('ecommerce_temp_orders', [
+            'id' => $tempOrder->id,
+        ]);
+    }
+
     /**
      * 9. 비회원 주문 생성 시 조회 비밀번호가 해시로 저장된다 (평문 미저장)
      */
diff --git a/modules/_bundled/sirsoft-ecommerce/tests/Feature/Payment/ExtensionPaymentMethodRegressionTest.php b/modules/_bundled/sirsoft-ecommerce/tests/Feature/Payment/ExtensionPaymentMethodRegressionTest.php
new file mode 100644
index 00000000..faa1628d
--- /dev/null
+++ b/modules/_bundled/sirsoft-ecommerce/tests/Feature/Payment/ExtensionPaymentMethodRegressionTest.php
@@ -0,0 +1,554 @@
+<?php
+
+namespace Modules\Sirsoft\Ecommerce\Tests\Feature\Payment;
+
+use App\Extension\HookManager;
+use App\Models\User;
+use Illuminate\Support\Facades\Validator;
+use Modules\Sirsoft\Ecommerce\Database\Factories\OrderFactory;
+use Modules\Sirsoft\Ecommerce\Database\Factories\OrderPaymentFactory;
+use Modules\Sirsoft\Ecommerce\Database\Factories\TempOrderFactory;
+use Modules\Sirsoft\Ecommerce\DTO\OrderCalculationResult;
+use Modules\Sirsoft\Ecommerce\DTO\PromotionsSummary;
+use Modules\Sirsoft\Ecommerce\DTO\Summary;
+use Modules\Sirsoft\Ecommerce\Enums\RefundMethodEnum;
+use Modules\Sirsoft\Ecommerce\Http\Requests\Public\CreateOrderRequest;
+use Modules\Sirsoft\Ecommerce\Models\OrderPayment;
+use Modules\Sirsoft\Ecommerce\Models\TempOrder;
+use Modules\Sirsoft\Ecommerce\Services\EcommerceSettingsService;
+use Modules\Sirsoft\Ecommerce\Services\OrderCalculationService;
+use Modules\Sirsoft\Ecommerce\Services\OrderCancellationService;
+use Modules\Sirsoft\Ecommerce\Services\OrderProcessingService;
+use Modules\Sirsoft\Ecommerce\Tests\ModuleTestCase;
+use PHPUnit\Framework\Attributes\Test;
+
+/**
+ * 확장 결제수단(간편결제) 1급화 회귀 테스트 — 이슈 #475
+ *
+ * PG 플러그인이 `filter_available_payment_methods` 로 등록하는 간편결제 수단
+ * (예: `nhnkcp_naverpay`) 은 코어 `PaymentMethodEnum` 에 case 가 없다. 이 때문에
+ * 서버가 해당 주문을 "PG 결제가 아닌 주문" 으로 오인하여 두 결함이 발생했다:
+ *
+ *   1. 결제 실패했는데 관리자에게 "신규 주문 접수" 알림이 발송됨
+ *   2. 결제 실패 후 TempOrder 가 즉시 삭제되어 재결제 불가 ("임시주문을 찾을 수 없습니다")
+ *
+ * 두 결함은 하나의 원인이다 — 확장 결제수단의 "능력(PG 필요 여부 / 라벨 / 환불수단)" 을
+ * enum 이 답하지 못한다. 본 테스트는 능력 해석이 결제수단 설정 카탈로그를 SSoT 로
+ * 삼도록 전환된 뒤 green 이 된다.
+ *
+ * @see https://github.com/gnuboard/dev-g7/issues/475
+ */
+class ExtensionPaymentMethodRegressionTest extends ModuleTestCase
+{
+    /**
+     * PG 플러그인이 등록하는 확장 결제수단 ID (NHN KCP 네이버페이).
+     */
+    private const EXT_METHOD = 'nhnkcp_naverpay';
+
+    /**
+     * 확장 결제수단이 소속된 PG.
+     */
+    private const EXT_PG = 'nhnkcp';
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->registerExtensionPaymentMethod();
+    }
+
+    protected function tearDown(): void
+    {
+        HookManager::resetAll();
+        parent::tearDown();
+    }
+
+    /**
+     * PG 플러그인이 하는 것과 동일하게 간편결제 수단을 카탈로그에 등록합니다.
+     *
+     * `RegisterEasyPayMethodsListener::buildEntry()` 가 내려주는 형태를 그대로 재현하되,
+     * 수정 후 선언될 능력 키(`pg_provider` / `needs_pg` / `refund_method` / `pg_locked`)를
+     * 포함한다 — 이 선언을 코어가 존중하는지가 본 회귀 테스트의 검증 대상이다.
+     */
+    private function registerExtensionPaymentMethod(): void
+    {
+        HookManager::addFilter(
+            'sirsoft-ecommerce.settings.filter_available_payment_methods',
+            fn (array $methods) => array_merge($methods, [[
+                'id' => self::EXT_METHOD,
+                'name' => ['ko' => '네이버페이', 'en' => 'Naver Pay'],
+                'description' => ['ko' => '', 'en' => ''],
+                'icon' => 'credit-card',
+                'source' => 'plugin:sirsoft-pay_nhnkcp',
+                'defaults' => [
+                    'pg_provider' => self::EXT_PG,
+                    'pg_locked' => true,
+                    'needs_pg' => true,
+                    'refund_method' => 'pg',
+                    'is_active' => true,
+                    'min_order_amount' => 0,
+                    'stock_deduction_timing' => 'payment_complete',
+                    'mileage_deduction_timing' => 'payment_complete',
+                ],
+            ]])
+        );
+
+        HookManager::addFilter(
+            'sirsoft-ecommerce.payment.registered_pg_providers',
+            fn (array $providers) => array_merge($providers, [[
+                'id' => self::EXT_PG,
+                'name' => 'NHN KCP',
+                'payment_handler' => 'sirsoft-pay_nhnkcp.requestPayment',
+            ]])
+        );
+    }
+
+    /**
+     * 확장 결제수단으로 결제 레코드를 만든 주문을 생성합니다.
+     *
+     * `payment_method` 컬럼에 확장 ID 를 1급 시민으로 저장한다 — 캐스트가 살아있는
+     * 현재는 Eloquent 의 enum 캐스트(`from()`) 가 ValueError 를 던진다.
+     */
+    private function createExtensionPaymentOrder(array $paymentOverrides = []): OrderPayment
+    {
+        $order = OrderFactory::new()->create(['total_due_amount' => 50000]);
+
+        return OrderPaymentFactory::new()->forOrder($order)->create(array_merge([
+            'payment_method' => self::EXT_METHOD,
+            'pg_provider' => self::EXT_PG,
+        ], $paymentOverrides));
+    }
+
+    /**
+     * 실제 주문 생성 흐름(createFromTempOrder)을 태우기 위한 최소 TempOrder 를 만듭니다.
+     *
+     * @param  User  $user  주문자
+     * @param  int  $finalAmount  최종 결제금액
+     * @return TempOrder 계산결과가 채워진 임시주문
+     */
+    private function makeTempOrder(User $user, int $finalAmount = 50000): TempOrder
+    {
+        return TempOrderFactory::new()
+            ->forUser($user)
+            ->withCalculationResult([
+                'summary' => [
+                    'subtotal' => $finalAmount,
+                    'total_discount' => 0,
+                    'product_coupon_discount' => 0,
+                    'code_discount' => 0,
+                    'total_shipping' => 0,
+                    'final_amount' => $finalAmount,
+                    'taxable_amount' => $finalAmount,
+                    'tax_free_amount' => 0,
+                    'points_used' => 0,
+                ],
+                'items' => [],
+                'shippings' => [],
+                'promotions' => [
+                    'product_promotions' => ['coupons' => [], 'discount_codes' => [], 'events' => []],
+                    'order_promotions' => ['coupons' => [], 'discount_codes' => [], 'events' => []],
+                ],
+                'validation_errors' => [],
+            ])
+            ->create();
+    }
+
+    /**
+     * OrderCalculationService 를 mock 해 재계산 결과를 고정하고 서비스를 재바인딩합니다.
+     *
+     * createFromTempOrder 는 내부에서 재계산을 수행하므로, 저장금액과 동일한 결과를
+     * 주입해야 금액 불일치 예외 없이 주문 생성 경로를 끝까지 태울 수 있다.
+     *
+     * @param  int  $finalAmount  재계산 최종금액 (저장 금액과 동일해야 함)
+     * @return OrderProcessingService mock 이 주입된 서비스 인스턴스
+     */
+    private function orderServiceWithFixedCalculation(int $finalAmount = 50000): OrderProcessingService
+    {
+        $summary = new Summary(
+            subtotal: $finalAmount,
+            totalDiscount: 0,
+            productCouponDiscount: 0,
+            codeDiscount: 0,
+            totalShipping: 0,
+            taxableAmount: $finalAmount,
+            taxFreeAmount: 0,
+            pointsUsed: 0,
+            pointsEarning: 0,
+            paymentAmount: $finalAmount,
+            finalAmount: $finalAmount,
+        );
+
+        $result = new OrderCalculationResult(
+            items: [],
+            summary: $summary,
+            promotions: new PromotionsSummary,
+            validationErrors: [],
+        );
+
+        $mock = $this->createMock(OrderCalculationService::class);
+        $mock->method('calculate')->willReturn($result);
+        $this->app->instance(OrderCalculationService::class, $mock);
+
+        return app(OrderProcessingService::class);
+    }
+
+    /**
+     * 지정 훅의 발화 횟수를 잡는 스파이를 부착하고, 라이브 카운터 객체를 돌려줍니다.
+     *
+     * Reflection 으로 가드 조건만 확인하면 호출지점 로직이 바뀌어도 회귀를 못 잡는다.
+     * 실제 주문 생성/취소 흐름에서 훅이 발화하는지를 직접 관측한다.
+     *
+     * 배열이 아닌 ArrayObject(참조형)를 돌려준다 — PHP 배열은 값 복사라
+     * `return $arr` 이후 클로저가 카운트를 올려도 호출자 쪽 사본은 갱신되지 않는다.
+     *
+     * @param  string  $hook  관측할 액션 훅 이름
+     * @return \ArrayObject 발화 횟수를 담는 라이브 카운터 (`$c['count']`)
+     */
+    private function spyOnHook(string $hook): \ArrayObject
+    {
+        $counter = new \ArrayObject(['count' => 0]);
+        HookManager::addAction($hook, function () use ($counter): void {
+            $counter['count']++;
+        });
+
+        return $counter;
+    }
+
+    // ─────────────────────────────────────────────────────────────
+    // 6. 확장 ID 저장/조회 — 캐스트가 ValueError 를 던지지 않아야 한다
+    // ─────────────────────────────────────────────────────────────
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=needs_pg
+     *
+     * @effects extension_id_persisted_as_is
+     */
+    #[Test]
+    public function extension_payment_method_id_can_be_persisted_and_read_back(): void
+    {
+        // 현재 red: 'payment_method' => PaymentMethodEnum::class 캐스트가 내부적으로
+        // from() 을 호출 → 확장 ID 는 enum case 가 없어 ValueError → 주문 생성 500.
+        $payment = $this->createExtensionPaymentOrder();
+
+        $this->assertSame(self::EXT_METHOD, $payment->fresh()->payment_method);
+
+        $this->assertDatabaseHas('ecommerce_order_payments', [
+            'id' => $payment->id,
+            'payment_method' => self::EXT_METHOD,
+            'pg_provider' => self::EXT_PG,
+        ]);
+    }
+
+    // ─────────────────────────────────────────────────────────────
+    // 1. 관리자 신규주문 알림이 주문 생성 시점에 발화되지 않아야 한다
+    // ─────────────────────────────────────────────────────────────
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=needs_pg
+     *
+     * @effects requires_pg_payment_true, temp_order_preserved, admin_new_order_notification_deferred
+     */
+    #[Test]
+    public function extension_payment_order_does_not_require_pg_is_false(): void
+    {
+        // orderRequiresPgPayment() 가 확장 결제수단을 PG 주문으로 인식해야 한다.
+        // 현재 red: PaymentMethodEnum::tryFrom('nhnkcp_naverpay') === null → false 반환
+        //          → 주문 생성 즉시 order.after_admin_notify 발화 (관리자 548명 오발송).
+        $payment = $this->createExtensionPaymentOrder();
+        $order = $payment->order->load('payment');
+
+        $service = app(OrderProcessingService::class);
+
+        $method = new \ReflectionMethod($service, 'orderRequiresPgPayment');
+        $method->setAccessible(true);
+
+        $this->assertTrue(
+            $method->invoke($service, $order),
+            '확장 결제수단 주문은 PG 결제 주문으로 판정되어야 한다 '
+            .'(false 면 주문 생성 즉시 관리자 알림이 오발송된다)'
+        );
+    }
+
+    /**
+     * 실제 주문 생성 흐름에서 관리자 신규주문 알림 훅이 발화하지 않아야 한다.
+     *
+     * 위 Reflection 테스트가 판정 값만 본다면, 이 테스트는 createFromTempOrder 를
+     * 끝까지 태워 호출지점(OrderProcessingService:216-217)에서 실제로
+     * `order.after_admin_notify` 훅이 발화하는지를 스파이로 관측한다 — 판정과
+     * 호출지점 사이 로직이 바뀌어 오발송이 재발하면 이 테스트가 잡는다 (#475).
+     *
+     * @scenario method_kind=extension, capability_declared=declared, capability=needs_pg
+     *
+     * @effects admin_new_order_notification_deferred, temp_order_preserved, requires_pg_payment_true
+     */
+    #[Test]
+    public function extension_payment_order_creation_does_not_fire_admin_notification(): void
+    {
+        $user = User::factory()->create();
+        $tempOrder = $this->makeTempOrder($user, 50000);
+        $service = $this->orderServiceWithFixedCalculation(50000);
+
+        $notify = $this->spyOnHook('sirsoft-ecommerce.order.after_admin_notify');
+
+        $order = $service->createFromTempOrder(
+            $tempOrder,
+            ['name' => '홍길동', 'phone' => '010-1234-5678', 'email' => 'buyer@example.com'],
+            ['recipient_name' => '홍길동', 'recipient_phone' => '010-1234-5678', 'zipcode' => '12345', 'address' => '서울시 강남구', 'address_detail' => '1동 2호'],
+            self::EXT_METHOD,
+            50000,
+            null,
+        );
+
+        // 확장 결제수단(PG 결제) 주문은 생성 시점(결제 전 pending)에서 알림을 미룬다.
+        $this->assertSame(
+            0,
+            $notify['count'],
+            '확장 결제수단(PG) 주문 생성 시 관리자 신규주문 알림이 발화되면 #475 오알림 재발이다',
+        );
+        // 주문·결제 레코드가 실제로 만들어졌는지(경로가 끝까지 탔는지) 확인.
+        $this->assertNotNull($order->payment);
+        $this->assertSame(self::EXT_METHOD, $order->payment->payment_method);
+    }
+
+    /**
+     * 대조군: 무통장입금(비-PG) 주문은 생성 시점에 관리자 알림이 발화되어야 한다.
+     *
+     * 스파이가 실제로 발화를 잡는지 검증하는 대조군이다 — 위 테스트가 항상 0 을
+     * 반환하는 거짓 통과가 아님을 보증한다(비-PG 는 접수 시점 발송이 정상 동작).
+     *
+     * @scenario method_kind=builtin, capability_declared=declared, capability=needs_pg
+     *
+     * @effects builtin_capability_unchanged
+     */
+    #[Test]
+    public function builtin_bank_transfer_order_creation_fires_admin_notification(): void
+    {
+        $user = User::factory()->create();
+        $tempOrder = $this->makeTempOrder($user, 50000);
+        $service = $this->orderServiceWithFixedCalculation(50000);
+
+        $notify = $this->spyOnHook('sirsoft-ecommerce.order.after_admin_notify');
+
+        $order = $service->createFromTempOrder(
+            $tempOrder,
+            ['name' => '홍길동', 'phone' => '010-1234-5678', 'email' => 'buyer@example.com'],
+            ['recipient_name' => '홍길동', 'recipient_phone' => '010-1234-5678', 'zipcode' => '12345', 'address' => '서울시 강남구', 'address_detail' => '1동 2호'],
+            'dbank',
+            50000,
+            null,
+        );
+
+        $this->assertSame(
+            1,
+            $notify['count'],
+            '무통장입금(비-PG) 주문은 접수 시점에 관리자 알림이 발화되어야 한다 (스파이 동작 확인)',
+        );
+    }
+
+    // ─────────────────────────────────────────────────────────────
+    // 2. determinePgProvider 가 'none' 이 아닌 실제 PG 를 반환해야 한다
+    //    (= TempOrder 보존 / requires_pg_payment=true 의 근거)
+    // ─────────────────────────────────────────────────────────────
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=needs_pg
+     *
+     * @effects pg_provider_resolved_not_none, temp_order_preserved
+     */
+    #[Test]
+    public function extension_payment_method_resolves_to_its_own_pg_provider(): void
+    {
+        // 현재 red: 확장수단의 카탈로그 pg_provider 가 null 이면 default_pg_provider 로
+        //          폴백하고 그것도 null 이면 'none' → requiresPg=false → TempOrder 즉시 삭제.
+        $provider = app(OrderProcessingService::class)->determinePgProvider(self::EXT_METHOD);
+
+        $this->assertSame(self::EXT_PG, $provider);
+        $this->assertNotContains(
+            $provider,
+            ['manual', 'internal', 'none'],
+            "확장 결제수단이 'none' 으로 해석되면 TempOrder 가 즉시 삭제되어 재결제가 불가능해진다"
+        );
+    }
+
+    // ─────────────────────────────────────────────────────────────
+    // 4. 취소 시 PG 환불 훅이 호출되어야 한다 (안전 이슈)
+    // ─────────────────────────────────────────────────────────────
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=refund_method
+     *
+     * @effects refund_method_is_pg, pg_refund_hook_invoked
+     */
+    #[Test]
+    public function extension_payment_order_refund_method_is_pg(): void
+    {
+        // 현재 red: determineRefundMethod() 의 match 가 enum case 만 다뤄 default → BANK.
+        //          PG 환불이 스킵되어 "취소는 됐는데 카드 취소가 안 되는" 실패가 발생한다.
+        $payment = $this->createExtensionPaymentOrder();
+        $order = $payment->order->load('payment');
+
+        $service = app(OrderCancellationService::class);
+
+        $method = new \ReflectionMethod($service, 'determineRefundMethod');
+        $method->setAccessible(true);
+
+        $this->assertSame(
+            RefundMethodEnum::PG,
+            $method->invoke($service, $order),
+            '확장 결제수단(PG 결제) 의 환불수단은 PG 여야 한다 (BANK 면 카드 취소가 누락된다)'
+        );
+    }
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=refund_method
+     *
+     * @effects pg_refund_hook_invoked
+     */
+    #[Test]
+    public function extension_payment_needs_pg_provider_for_refund_hook(): void
+    {
+        // OrderCancellationService:281 의 PG 환불 훅 진입 가드.
+        // 현재 red: $payment->payment_method?->needsPgProvider() 가 확장 ID 에서 동작 불가.
+        $payment = $this->createExtensionPaymentOrder();
+
+        $this->assertTrue(
+            $payment->needsPgProvider(),
+            'PG 환불 훅 진입 가드가 확장 결제수단을 PG 결제로 인식해야 한다'
+        );
+    }
+
+    // ─────────────────────────────────────────────────────────────
+    // 5. 확장 ID 가 주문 생성 검증(CreateOrderRequest)을 통과해야 한다
+    // ─────────────────────────────────────────────────────────────
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=needs_pg
+     *
+     * @effects extension_id_passes_validation, pg_payment_handler_present
+     */
+    #[Test]
+    public function extension_payment_method_id_passes_create_order_validation(): void
+    {
+        // 현재 red: Rule::in(PaymentMethodEnum::cases()) 가 확장 ID 를 422 로 막는다.
+        //          이것이 프론트 인터셉터가 payment_method 를 'card' 로 위장하게 만든 원인.
+        $rules = (new CreateOrderRequest)->rules();
+
+        $validator = Validator::make(
+            ['payment_method' => self::EXT_METHOD],
+            ['payment_method' => $rules['payment_method']]
+        );
+
+        $this->assertFalse(
+            $validator->errors()->has('payment_method'),
+            '확장 결제수단 ID 가 검증을 통과해야 한다 '
+            .'(422 로 막히면 프론트가 payment_method 를 card 로 위장할 수밖에 없다)'
+        );
+    }
+
+    /**
+     * @scenario method_kind=extension, capability_declared=undeclared, capability=needs_pg
+     *
+     * @effects unregistered_id_still_rejected
+     */
+    #[Test]
+    public function unregistered_payment_method_id_is_still_rejected(): void
+    {
+        // 화이트리스트가 넓어지되 임의 문자열은 여전히 막아야 한다 (검증 우회 방지).
+        $rules = (new CreateOrderRequest)->rules();
+
+        $validator = Validator::make(
+            ['payment_method' => 'totally_unknown_method'],
+            ['payment_method' => $rules['payment_method']]
+        );
+
+        $this->assertTrue(
+            $validator->errors()->has('payment_method'),
+            '카탈로그에 등록되지 않은 결제수단은 여전히 거부되어야 한다'
+        );
+    }
+
+    // ─────────────────────────────────────────────────────────────
+    // 카탈로그 SSoT — 설정 병합이 확장수단의 PG 선언을 보존해야 한다
+    // ─────────────────────────────────────────────────────────────
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=pg_locked
+     *
+     * @effects saved_null_pg_provider_self_healed, admin_shows_pg_locked_badge
+     */
+    #[Test]
+    public function catalog_preserves_extension_method_pg_declaration(): void
+    {
+        // mergePaymentMethodSettings() 가 확장수단의 defaults(pg_provider/needs_pg 등) 를
+        // 병합 결과에 반영해야 한다. 현재 red: 신규 키 3종이 merge 대상이 아니다.
+        $config = app(EcommerceSettingsService::class)->getPaymentMethodConfig(self::EXT_METHOD);
+
+        $this->assertNotNull($config, '확장 결제수단이 카탈로그에 존재해야 한다');
+        $this->assertSame(self::EXT_PG, $config['pg_provider'] ?? null);
+        $this->assertTrue((bool) ($config['needs_pg'] ?? false));
+        $this->assertTrue((bool) ($config['pg_locked'] ?? false));
+        $this->assertSame('pg', $config['refund_method'] ?? null);
+    }
+
+    // ─────────────────────────────────────────────────────────────
+    // 하위호환 — builtin 8종의 능력 판정이 변하지 않아야 한다
+    // ─────────────────────────────────────────────────────────────
+
+    /**
+     * @scenario method_kind=builtin, capability_declared=declared, capability=needs_pg
+     *
+     * @effects builtin_capability_unchanged
+     */
+    #[Test]
+    public function builtin_card_payment_still_requires_pg(): void
+    {
+        $payment = $this->createExtensionPaymentOrder([
+            'payment_method' => 'card',
+            'pg_provider' => 'inicis',
+        ]);
+
+        $this->assertTrue($payment->needsPgProvider());
+        $this->assertTrue($payment->isCardPayment());
+        $this->assertFalse($payment->isVirtualAccount());
+    }
+
+    /**
+     * @scenario method_kind=builtin, capability_declared=declared, capability=needs_pg
+     *
+     * @effects builtin_capability_unchanged
+     */
+    #[Test]
+    public function builtin_dbank_payment_still_does_not_require_pg(): void
+    {
+        // 무통장입금은 수동 입금확인 — PG 불필요. 캐스트 제거 후에도 유지되어야 한다.
+        // (ConfirmDepositRequest 의 입금확인 가드가 여기에 의존한다)
+        $payment = $this->createExtensionPaymentOrder([
+            'payment_method' => 'dbank',
+            'pg_provider' => '',
+        ]);
+
+        $this->assertFalse($payment->needsPgProvider());
+        $this->assertTrue($payment->isBankTransfer());
+        $this->assertFalse($payment->isCardPayment());
+    }
+
+    /**
+     * @scenario method_kind=builtin, capability_declared=declared, capability=needs_pg
+     *
+     * @effects builtin_capability_unchanged
+     */
+    #[Test]
+    public function builtin_vbank_payment_is_still_recognized_as_virtual_account(): void
+    {
+        // PG 플러그인의 가상계좌 분기(입금통보/환불)가 이 판정에 의존한다.
+        // 캐스트 제거로 이것이 조용히 false 가 되면 가상계좌 환불이 통째로 막힌다.
+        $payment = $this->createExtensionPaymentOrder([
+            'payment_method' => 'vbank',
+            'pg_provider' => 'nicepay',
+        ]);
+
+        $this->assertTrue($payment->isVirtualAccount());
+        $this->assertTrue($payment->needsPgProvider());
+        $this->assertFalse($payment->isCardPayment());
+    }
+}
diff --git a/modules/_bundled/sirsoft-ecommerce/tests/Playwright/playwright.config.ts b/modules/_bundled/sirsoft-ecommerce/tests/Playwright/playwright.config.ts
index 4eb798fe..29e983c9 100644
--- a/modules/_bundled/sirsoft-ecommerce/tests/Playwright/playwright.config.ts
+++ b/modules/_bundled/sirsoft-ecommerce/tests/Playwright/playwright.config.ts
@@ -25,6 +25,18 @@ import { fileURLToPath } from 'node:url';
 // import.meta.url 로 재구성한다.
 const __dirname = dirname(fileURLToPath(import.meta.url));
 
+/**
+ * 코어 루트 (artisan / .env / Playwright 산출물의 기준 경로).
+ *
+ * 확장 config 는 확장 디렉토리에서 실행되지만, 산출물을 그 안에 쓰면 Windows 에서
+ * `{module|template}:update` 의 디렉토리 이동이 열린 핸들에 걸려 실패한다.
+ * 산출물은 코어 루트 아래로 모아 update 경로와 분리한다 (.gitignore 가 이미 덮는 위치).
+ */
+const CORE_ROOT = process.env.G7_ROOT || resolve(__dirname, '../../../../../');
+
+/** 확장별 산출물 격리 — 확장끼리 리포트를 덮어쓰지 않도록 slug 로 네임스페이스. */
+const ARTIFACT_SLUG = 'modules/sirsoft-ecommerce';
+
 function readEnvFile(filePath: string, key: string): string | null {
   if (!existsSync(filePath)) return null;
   const content = readFileSync(filePath, { encoding: 'utf-8' });
@@ -42,9 +54,7 @@ function resolveBaseUrl(): string {
   if (process.env.PLAYWRIGHT_BASE_URL) {
     return process.env.PLAYWRIGHT_BASE_URL;
   }
-  // 모듈 디렉토리 기준 6단계 상위 = 코어 루트 (.env 위치)
-  const coreRoot = process.env.G7_ROOT || resolve(__dirname, '../../../../../');
-  const appUrl = readEnvFile(resolve(coreRoot, '.env'), 'APP_URL');
+  const appUrl = readEnvFile(resolve(CORE_ROOT, '.env'), 'APP_URL');
   if (appUrl && !/^https?:\/\/localhost(:\d+)?\/?$/i.test(appUrl)) {
     return appUrl;
   }
@@ -55,12 +65,13 @@ function resolveBaseUrl(): string {
 
 export default defineConfig({
   testDir: './specs',
+  outputDir: resolve(CORE_ROOT, 'test-results', ARTIFACT_SLUG),
   fullyParallel: true,
   forbidOnly: !!process.env.CI,
   retries: process.env.CI ? 2 : 0,
   workers: process.env.CI ? 1 : undefined,
   reporter: [
-    ['html', { outputFolder: 'playwright-report', open: 'never' }],
+    ['html', { outputFolder: resolve(CORE_ROOT, 'playwright-report', ARTIFACT_SLUG), open: 'never' }],
     ['list'],
   ],
   use: {
diff --git a/modules/_bundled/sirsoft-ecommerce/tests/Playwright/specs/admin/payment-method-pg-locked.spec.ts b/modules/_bundled/sirsoft-ecommerce/tests/Playwright/specs/admin/payment-method-pg-locked.spec.ts
new file mode 100644
index 00000000..3f307250
--- /dev/null
+++ b/modules/_bundled/sirsoft-ecommerce/tests/Playwright/specs/admin/payment-method-pg-locked.spec.ts
@@ -0,0 +1,208 @@
+/**
+ * 주문설정 결제수단 — PG 고정(간편결제) 표시 회귀 (#475).
+ *
+ * 배경: PG 플러그인이 등록하는 간편결제(네이버페이 등)는 특정 PG 전용 수단인데,
+ * 과거에는 이를 코어의 "PG 불필요" 목록(`['point','deposit','free','dbank']`)에 정규식으로
+ * 끼워 넣어 PG 선택 셀렉트를 숨겼다. 화면에는 "PG 불필요" 로 보였고, 서버도 같은 오해를
+ * 공유해 간편결제 주문을 PG 결제가 아닌 주문으로 처리했다 — 그 결과 결제 실패 주문에
+ * 관리자 알림이 발송되고 임시주문이 삭제돼 재결제가 막혔다.
+ *
+ * 이제 결제수단 카탈로그가 `pg_locked` / `needs_pg` 를 내려주고 레이아웃이 그 값으로 직접
+ * 3분기한다: PG 고정 배지 / PG 선택 셀렉트 / "PG 불필요".
+ *
+ * 측정 규율 (이 spec 을 고칠 사람에게):
+ *  - **결제수단 ID·PG명·라벨 문자열을 하드코딩하지 않는다.** 설치된 PG 플러그인 구성은
+ *    환경마다 다르다. 검증 대상 수단은 앱 상태의 카탈로그에서 `pg_locked` 플래그로 **런타임에
+ *    선별**하고, 기대 PG 표시명도 `available_pg_providers` 에서 도출한다.
+ *  - PG 고정 수단이 하나도 없는 환경(간편결제 플러그인 미설치)에서는 판별이 불가능하므로
+ *    skip 한다 — 거짓 통과를 만들지 않는다.
+ *  - "셀렉트가 없다" 만으로는 회귀를 못 잡는다. 과거 결함도 셀렉트를 숨겼기 때문이다.
+ *    **PG 고정 배지가 PG 이름과 함께 뜨는 것**까지 확인해야 "불필요" 와 "고정" 이 구분된다.
+ *  - PG 선택 UI 는 네이티브 `<select>` 가 아니라 템플릿의 Select 컴포넌트(button 렌더)다.
+ *    태그로 찾지 말고 `data-testid` (`pg-select-{id}` / `pg-locked-badge-{id}` / `pg-not-required-{id}`)
+ *    로 분기 결과를 조회한다 — 컴포넌트 내부 구현이 바뀌어도 이 spec 은 유지된다.
+ *
+ * @scenario extension_payment_method method_kind=extension × capability_declared=declared × capability=pg_locked
+ * @effects admin_shows_pg_locked_badge,
+ *          admin_hides_pg_select_for_locked,
+ *          admin_shows_pg_select_for_unlocked,
+ *          saved_null_pg_provider_self_healed
+ */
+import { test, expect, authenticatePage } from '../../fixtures/ecommerce-auth';
+import type { Page } from '@playwright/test';
+
+const ORDER_SETTINGS_URL = '/admin/ecommerce/settings?tab=order_settings';
+
+interface CatalogMethod {
+  id: string;
+  pg_provider: string | null;
+  pg_locked?: boolean;
+  needs_pg?: boolean;
+}
+
+/** 폼에 시드된 결제수단 카탈로그 (화면이 실제로 그리는 원본). */
+async function catalogMethods(page: Page): Promise<CatalogMethod[]> {
+  return page.evaluate(() => {
+    const form = (window as any).G7Core?.state?.getLocal?.()?.form;
+    return (form?.order_settings?.payment_methods ?? []) as CatalogMethod[];
+  });
+}
+
+/** 설치된 PG 제공자 목록 (id → 표시명 도출용). */
+async function pgProviders(page: Page): Promise<Array<{ id: string; name: unknown }>> {
+  return page.evaluate(() => (window as any).G7Core?.state?.getLocal?.()?.form?.available_pg_providers ?? []);
+}
+
+/**
+ * PG 제공자의 화면 표시명을 도출한다.
+ *
+ * `name` 은 활성 로케일로 이미 해석된 문자열이거나(현행), 로케일별 객체일 수 있다.
+ * 두 형태를 모두 받아 화면에 실제로 찍히는 문자열을 돌려준다 — 어느 쪽이든 spec 은 유지된다.
+ *
+ * @param provider available_pg_providers 항목 (미설치 PG 면 undefined)
+ * @param fallback 제공자를 못 찾았을 때 쓸 값 (결제수단의 pg_provider ID)
+ * @returns 배지에 표시될 것으로 기대되는 문자열
+ */
+function displayName(provider: { name?: unknown } | undefined, fallback: string | null): string {
+  const name = provider?.name;
+  if (typeof name === 'string' && name.trim()) return name;
+  if (name && typeof name === 'object') {
+    const localized = Object.values(name as Record<string, string>).find(Boolean);
+    if (localized) return localized;
+  }
+  return String(fallback ?? '');
+}
+
+async function gotoOrderSettings(page: Page, token: string): Promise<void> {
+  await authenticatePage(page, token);
+  await page.setViewportSize({ width: 1440, height: 1000 });
+  await page.goto(ORDER_SETTINGS_URL);
+  await page.waitForLoadState('domcontentloaded', { timeout: 30_000 });
+
+  // 결제수단 표가 시드될 때까지 대기 (_local.form 시드 → DOM 렌더)
+  await expect.poll(async () => (await catalogMethods(page)).length, { timeout: 30_000 }).toBeGreaterThan(0);
+}
+
+test.describe('@sirsoft-ecommerce 주문설정 결제수단 — PG 고정 표시', () => {
+  // @scenario extension_payment_method:pg_locked_badge
+  // @effects admin_shows_pg_locked_badge, admin_hides_pg_select_for_locked, saved_null_pg_provider_self_healed
+  test('PG 고정 수단(간편결제)은 PG 셀렉트 대신 "PG 고정 · {PG명}" 배지로 표시된다', async ({
+    page,
+    settingsToken,
+  }) => {
+    await gotoOrderSettings(page, settingsToken);
+
+    const methods = await catalogMethods(page);
+    const locked = methods.filter((m) => m.pg_locked === true);
+
+    test.skip(
+      locked.length === 0,
+      'PG 고정 결제수단이 없는 환경 (간편결제 플러그인 미설치) — 판별 불가',
+    );
+
+    // 자가 치유 검증: 저장 파일에 pg_provider=null 이 남아 있어도 정의값이 강제되어야 한다.
+    for (const method of locked) {
+      expect(
+        method.pg_provider,
+        `${method.id} 는 PG 고정 수단이므로 pg_provider 가 비어 있으면 안 된다 (저장된 null 이 정의값을 이기면 #475 재발)`,
+      ).toBeTruthy();
+      expect(method.needs_pg, `${method.id} 는 PG 결제 수단이어야 한다`).toBe(true);
+    }
+
+    const providers = await pgProviders(page);
+
+    for (const method of locked) {
+      const providerName = displayName(
+        providers.find((p) => p.id === method.pg_provider),
+        method.pg_provider,
+      );
+
+      // ① PG 고정 배지가 뜨고, 그 안에 PG 이름이 들어 있어야 한다.
+      //    ("PG 불필요" 로 표시되면 #475 회귀 — 배지 자체가 없으므로 아래 단언이 실패한다.)
+      const badge = page.getByTestId(`pg-locked-badge-${method.id}`);
+      await expect(
+        badge,
+        `${method.id} 는 PG 고정 수단이므로 PG 고정 배지가 떠야 한다`,
+      ).toBeVisible();
+      await expect(
+        badge,
+        `${method.id} 의 배지에 PG 이름(${providerName})이 표시돼야 한다`,
+      ).toContainText(String(providerName));
+
+      // ② PG 고정 수단에는 관리자가 PG 를 바꿀 수 있는 셀렉트가 없어야 한다.
+      await expect(
+        page.getByTestId(`pg-select-${method.id}`),
+        `${method.id} 는 PG 가 고정이므로 PG 선택 셀렉트가 뜨면 안 된다`,
+      ).toHaveCount(0);
+
+      // ③ PG 고정과 "PG 불필요" 는 상호배타 — 둘 다 뜨면 표시가 모순된다.
+      await expect(
+        page.getByTestId(`pg-not-required-${method.id}`),
+        `${method.id} 가 "PG 불필요" 로 표시되면 #475 회귀`,
+      ).toHaveCount(0);
+    }
+  });
+
+  // @scenario extension_payment_method:pg_select_for_unlocked
+  // @effects admin_shows_pg_select_for_unlocked
+  test('일반 PG 수단(카드 등)은 PG 선택 셀렉트가 그대로 노출된다 (회귀 차단)', async ({
+    page,
+    settingsToken,
+  }) => {
+    await gotoOrderSettings(page, settingsToken);
+
+    const methods = await catalogMethods(page);
+    const selectable = methods.filter((m) => !m.pg_locked && m.needs_pg);
+
+    test.skip(selectable.length === 0, 'PG 선택 가능한 결제수단이 없는 환경 — 판별 불가');
+
+    const providers = await pgProviders(page);
+    test.skip(providers.length === 0, '설치된 PG 플러그인이 없어 셀렉트가 렌더되지 않는 환경');
+
+    // PG 고정 분기가 과잉 적용돼 일반 PG 수단의 셀렉트까지 삼키는 회귀를 차단한다.
+    for (const method of selectable) {
+      await expect(
+        page.getByTestId(`pg-select-${method.id}`),
+        `${method.id} 는 관리자가 PG 를 고를 수 있어야 하므로 PG 선택 셀렉트가 떠야 한다`,
+      ).toBeVisible({ timeout: 10_000 });
+
+      await expect(
+        page.getByTestId(`pg-locked-badge-${method.id}`),
+        `${method.id} 는 PG 고정이 아니므로 PG 고정 배지가 뜨면 안 된다`,
+      ).toHaveCount(0);
+    }
+  });
+
+  // @scenario extension_payment_method:no_pg_required
+  // @effects admin_shows_pg_select_for_unlocked
+  test('PG 불필요 수단(무통장·포인트 등)은 셀렉트도 배지도 없이 "PG 불필요"로 남는다', async ({
+    page,
+    settingsToken,
+  }) => {
+    await gotoOrderSettings(page, settingsToken);
+
+    const methods = await catalogMethods(page);
+    const noPg = methods.filter((m) => m.needs_pg === false);
+
+    test.skip(noPg.length === 0, 'PG 불필요 결제수단이 없는 환경 — 판별 불가');
+
+    for (const method of noPg) {
+      // PG 불필요 수단은 PG 고정도 아니어야 한다 (두 분기가 겹치면 표시가 모순된다).
+      expect(method.pg_locked ?? false, `${method.id} 는 PG 불필요이므로 PG 고정일 수 없다`).toBe(false);
+
+      // 화면에도 "PG 불필요" 로만 남고, 셀렉트/배지 어느 쪽도 뜨지 않아야 한다.
+      await expect(
+        page.getByTestId(`pg-not-required-${method.id}`),
+        `${method.id} 는 "PG 불필요" 로 표시돼야 한다`,
+      ).toBeVisible();
+      await expect(
+        page.getByTestId(`pg-select-${method.id}`),
+        `${method.id} 는 PG 가 필요 없으므로 PG 선택 셀렉트가 뜨면 안 된다`,
+      ).toHaveCount(0);
+      await expect(
+        page.getByTestId(`pg-locked-badge-${method.id}`),
+        `${method.id} 는 PG 가 필요 없으므로 PG 고정 배지가 뜨면 안 된다`,
+      ).toHaveCount(0);
+    }
+  });
+});
diff --git a/modules/_bundled/sirsoft-ecommerce/tests/Playwright/specs/admin/shipping-country-i18n.spec.ts b/modules/_bundled/sirsoft-ecommerce/tests/Playwright/specs/admin/shipping-country-i18n.spec.ts
index 5d40a0e0..c6ffa6aa 100644
--- a/modules/_bundled/sirsoft-ecommerce/tests/Playwright/specs/admin/shipping-country-i18n.spec.ts
+++ b/modules/_bundled/sirsoft-ecommerce/tests/Playwright/specs/admin/shipping-country-i18n.spec.ts
@@ -164,7 +164,19 @@ test.describe('@sirsoft-ecommerce 배송국가 다국어', () => {
     const locales = Object.keys(localeNames);
     expect(locales.length, '설치된 언어를 못 읽었다').toBeGreaterThan(0);
 
-    await page.getByRole('button', { name: /Add Country|국가 추가|国追加/ }).click();
+    // "국가 추가" 버튼은 해외배송이 켜져 있을 때만 렌더된다
+    // (_tab_shipping.json: if "...international_shipping_enabled"). 시드 상태에서 꺼져
+    // 있을 수 있으므로, 다국어 입력칸 검증이 목적인 이 테스트에서는 해외배송을
+    // 로컬 상태로 켠 뒤 진행한다(토글 UI 자체 검증은 별도 spec 소관).
+    await page.evaluate(() => {
+      (window as any).G7Core?.state?.setLocal?.({ 'form.shipping.international_shipping_enabled': true });
+    });
+
+    const addCountryButton = page.getByRole('button', { name: /Add Country|국가 추가|国追加/ });
+    await expect(addCountryButton, '해외배송 활성 후 국가 추가 버튼이 노출돼야 한다').toBeVisible({
+      timeout: 10_000,
+    });
+    await addCountryButton.click();
 
     // 국가 코드 입력칸(placeholder="KR")이 있는 행이 곧 추가 폼이다.
     const codeInput = page.locator('input[placeholder="KR"]');
diff --git a/modules/_bundled/sirsoft-ecommerce/tests/Unit/Models/OrderPaymentTest.php b/modules/_bundled/sirsoft-ecommerce/tests/Unit/Models/OrderPaymentTest.php
index 0079f3f5..899deaa3 100644
--- a/modules/_bundled/sirsoft-ecommerce/tests/Unit/Models/OrderPaymentTest.php
+++ b/modules/_bundled/sirsoft-ecommerce/tests/Unit/Models/OrderPaymentTest.php
@@ -39,13 +39,28 @@ class OrderPaymentTest extends ModuleTestCase
         $this->assertEquals($order->id, $payment->order->id);
     }
 
-    public function test_order_payment_casts_method_to_enum(): void
+    public function test_order_payment_method_is_stored_as_plain_string(): void
     {
+        // payment_method 는 enum 캐스트를 두지 않는다 (#475) — PG 플러그인이 등록하는
+        // 확장 결제수단(예: nhnkcp_naverpay)은 enum case 가 없어 캐스트가 ValueError 를 던지기 때문.
+        // 능력 질의는 모델의 능력 메서드가 PaymentMethodResolver 에 위임해 답한다.
         $order = OrderFactory::new()->create();
         $payment = OrderPaymentFactory::new()->forOrder($order)->card()->create();
 
-        $this->assertInstanceOf(PaymentMethodEnum::class, $payment->payment_method);
-        $this->assertEquals(PaymentMethodEnum::CARD, $payment->payment_method);
+        $this->assertSame(PaymentMethodEnum::CARD->value, $payment->fresh()->payment_method);
+        $this->assertTrue($payment->isCardPayment());
+    }
+
+    public function test_order_payment_accepts_extension_payment_method_id(): void
+    {
+        // 확장 결제수단 ID 를 1급 시민으로 저장할 수 있어야 한다 (캐스트가 있으면 ValueError).
+        $order = OrderFactory::new()->create();
+        $payment = OrderPaymentFactory::new()->forOrder($order)->create([
+            'payment_method' => 'nhnkcp_naverpay',
+            'pg_provider' => 'nhnkcp',
+        ]);
+
+        $this->assertSame('nhnkcp_naverpay', $payment->fresh()->payment_method);
     }
 
     public function test_order_payment_casts_status_to_enum(): void
@@ -64,7 +79,7 @@ class OrderPaymentTest extends ModuleTestCase
             'card_name' => '신한카드',
         ]);
 
-        $this->assertEquals(PaymentMethodEnum::CARD, $payment->payment_method);
+        $this->assertTrue($payment->isCardPayment());
         $this->assertEquals('신한카드', $payment->card_name);
     }
 
@@ -73,7 +88,7 @@ class OrderPaymentTest extends ModuleTestCase
         $order = OrderFactory::new()->create();
         $payment = OrderPaymentFactory::new()->forOrder($order)->virtualAccount()->create();
 
-        $this->assertEquals(PaymentMethodEnum::VBANK, $payment->payment_method);
+        $this->assertTrue($payment->isVirtualAccount());
         $this->assertNotNull($payment->vbank_name);
         $this->assertNotNull($payment->vbank_number);
     }
diff --git a/modules/_bundled/sirsoft-ecommerce/tests/Unit/Services/PaymentMethodResolverTest.php b/modules/_bundled/sirsoft-ecommerce/tests/Unit/Services/PaymentMethodResolverTest.php
new file mode 100644
index 00000000..e3f9fa27
--- /dev/null
+++ b/modules/_bundled/sirsoft-ecommerce/tests/Unit/Services/PaymentMethodResolverTest.php
@@ -0,0 +1,418 @@
+<?php
+
+namespace Modules\Sirsoft\Ecommerce\Tests\Unit\Services;
+
+use App\Extension\HookManager;
+use Modules\Sirsoft\Ecommerce\Enums\PaymentMethodEnum;
+use Modules\Sirsoft\Ecommerce\Enums\RefundMethodEnum;
+use Modules\Sirsoft\Ecommerce\Services\EcommerceSettingsService;
+use Modules\Sirsoft\Ecommerce\Services\PaymentMethodResolver;
+use Modules\Sirsoft\Ecommerce\Tests\ModuleTestCase;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\Test;
+
+/**
+ * PaymentMethodResolver 단위 테스트 — 이슈 #475
+ *
+ * 결제수단 능력 해석의 폴백 3단계를 검증한다:
+ *
+ *   카탈로그 선언 → enum(builtin) → 안전한 기본값
+ *
+ * 폴백이 이 순서를 지켜야 (1) 플러그인이 신규 키를 선언하지 않아도 기존 동작이 유지되고
+ * (2) 선언하면 그 값이 이기며 (3) 미등록 확장 ID 도 안전한 쪽으로 판정된다.
+ */
+class PaymentMethodResolverTest extends ModuleTestCase
+{
+    protected function tearDown(): void
+    {
+        HookManager::resetAll();
+        parent::tearDown();
+    }
+
+    private function resolver(): PaymentMethodResolver
+    {
+        return app(PaymentMethodResolver::class);
+    }
+
+    /**
+     * 확장 결제수단을 카탈로그에 등록합니다 (PG 플러그인이 하는 것과 동일).
+     *
+     * @param  array<string, mixed>  $defaults  선언할 능력 키
+     */
+    private function registerMethod(string $id, array $defaults): void
+    {
+        HookManager::addFilter(
+            'sirsoft-ecommerce.settings.filter_available_payment_methods',
+            fn (array $methods) => array_merge($methods, [[
+                'id' => $id,
+                'name' => ['ko' => '확장수단', 'en' => 'Extension Method'],
+                'description' => ['ko' => '', 'en' => ''],
+                'icon' => 'credit-card',
+                'source' => 'plugin:test',
+                'defaults' => $defaults,
+            ]])
+        );
+
+        // 카탈로그는 요청 내 1회 캐시되므로, 훅 등록 후 싱글톤을 새로 만들어야 한다.
+        $this->app->forgetInstance(PaymentMethodResolver::class);
+    }
+
+    // ─────────────────────────────────────────────
+    // needsPgProvider — 카탈로그 → enum → true
+    // ─────────────────────────────────────────────
+
+    /**
+     * @scenario method_kind=builtin, capability_declared=declared, capability=needs_pg
+     *
+     * @effects builtin_capability_unchanged
+     */
+    #[Test]
+    public function catalog_declaration_wins_over_enum_for_needs_pg(): void
+    {
+        // dbank 는 enum 상 PG 불필요(false)지만, 카탈로그가 true 로 선언하면 그것이 이긴다.
+        $this->registerMethod('dbank', ['needs_pg' => true]);
+
+        $this->assertTrue($this->resolver()->needsPgProvider('dbank'));
+    }
+
+    /**
+     * @scenario method_kind=builtin, capability_declared=declared, capability=needs_pg
+     *
+     * @effects builtin_capability_unchanged
+     */
+    #[Test]
+    #[DataProvider('builtinNeedsPgProvider')]
+    public function builtin_falls_back_to_enum_when_catalog_does_not_declare(string $methodId, bool $expected): void
+    {
+        // 카탈로그에 needs_pg 선언이 없으면 enum 의 판정을 그대로 따른다 (하위호환).
+        $this->assertSame($expected, $this->resolver()->needsPgProvider($methodId));
+    }
+
+    /**
+     * @return array<string, array{string, bool}>
+     */
+    public static function builtinNeedsPgProvider(): array
+    {
+        return [
+            'card 는 PG 필요' => ['card', true],
+            'vbank 는 PG 필요' => ['vbank', true],
+            'bank 는 PG 필요' => ['bank', true],
+            'phone 은 PG 필요' => ['phone', true],
+            'dbank 는 수동 입금확인 — PG 불필요' => ['dbank', false],
+            'point 는 내부 처리 — PG 불필요' => ['point', false],
+            'deposit 은 내부 처리 — PG 불필요' => ['deposit', false],
+            'free 는 내부 처리 — PG 불필요' => ['free', false],
+        ];
+    }
+
+    /**
+     * @scenario method_kind=extension, capability_declared=undeclared, capability=needs_pg
+     *
+     * @effects pg_provider_resolved_not_none
+     */
+    #[Test]
+    public function unregistered_extension_id_defaults_to_requiring_pg(): void
+    {
+        // 미등록 확장 ID 는 안전한 쪽(PG 필요)으로 판정한다.
+        // false 로 오판하면 결제 실패 주문에 관리자 알림이 발송되고 TempOrder 가 삭제된다(#475).
+        $this->assertTrue($this->resolver()->needsPgProvider('some_unknown_plugin_method'));
+    }
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=needs_pg
+     *
+     * @effects pg_provider_resolved_not_none
+     */
+    #[Test]
+    public function extension_method_declaring_needs_pg_false_is_respected(): void
+    {
+        // 확장이 명시적으로 PG 불필요를 선언하면 그것을 존중한다 (예: 후불 결제).
+        $this->registerMethod('vendor_deferred', ['needs_pg' => false]);
+
+        $this->assertFalse($this->resolver()->needsPgProvider('vendor_deferred'));
+    }
+
+    // ─────────────────────────────────────────────
+    // refundMethod — 카탈로그 → enum match → 능력 기반
+    // ─────────────────────────────────────────────
+
+    /**
+     * @scenario method_kind=builtin, capability_declared=declared, capability=refund_method
+     *
+     * @effects builtin_capability_unchanged
+     */
+    #[Test]
+    #[DataProvider('builtinRefundMethodProvider')]
+    public function builtin_refund_method_matches_enum_classification(string $methodId, RefundMethodEnum $expected): void
+    {
+        $this->assertSame($expected, $this->resolver()->refundMethod($methodId));
+    }
+
+    /**
+     * @return array<string, array{string, RefundMethodEnum}>
+     */
+    public static function builtinRefundMethodProvider(): array
+    {
+        return [
+            'card → PG 취소' => ['card', RefundMethodEnum::PG],
+            'vbank → PG 취소' => ['vbank', RefundMethodEnum::PG],
+            'bank → PG 취소' => ['bank', RefundMethodEnum::PG],
+            'phone → PG 취소' => ['phone', RefundMethodEnum::PG],
+            'dbank → 계좌 환불' => ['dbank', RefundMethodEnum::BANK],
+            'point → 포인트 환불' => ['point', RefundMethodEnum::POINTS],
+        ];
+    }
+
+    /**
+     * @scenario method_kind=builtin, capability_declared=declared, capability=refund_method
+     *
+     * @effects builtin_capability_unchanged
+     */
+    #[Test]
+    public function catalog_declaration_wins_over_enum_for_refund_method(): void
+    {
+        $this->registerMethod('card', ['refund_method' => 'bank']);
+
+        $this->assertSame(RefundMethodEnum::BANK, $this->resolver()->refundMethod('card'));
+    }
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=refund_method
+     *
+     * @effects refund_method_is_pg
+     */
+    #[Test]
+    public function extension_method_declaring_pg_refund_is_respected(): void
+    {
+        $this->registerMethod('nhnkcp_naverpay', [
+            'needs_pg' => true,
+            'refund_method' => 'pg',
+        ]);
+
+        $this->assertSame(RefundMethodEnum::PG, $this->resolver()->refundMethod('nhnkcp_naverpay'));
+    }
+
+    /**
+     * @scenario method_kind=extension, capability_declared=undeclared, capability=refund_method
+     *
+     * @effects refund_method_is_pg
+     */
+    #[Test]
+    public function undeclared_extension_method_refund_follows_pg_capability(): void
+    {
+        // refund_method 를 선언하지 않은 확장수단은 PG 결제 여부로 환불수단을 정한다.
+        // BANK 로 떨어지면 카드 취소가 누락되는 안전 이슈가 된다.
+        $this->assertSame(
+            RefundMethodEnum::PG,
+            $this->resolver()->refundMethod('some_unknown_plugin_method')
+        );
+    }
+
+    /**
+     * @scenario method_kind=builtin, capability_declared=declared, capability=refund_method
+     *
+     * @effects builtin_capability_unchanged
+     */
+    #[Test]
+    public function invalid_refund_method_declaration_falls_back_to_enum(): void
+    {
+        // 카탈로그에 유효하지 않은 값이 들어와도 폴백으로 안전하게 처리한다.
+        $this->registerMethod('card', ['refund_method' => 'not_a_real_method']);
+
+        $this->assertSame(RefundMethodEnum::PG, $this->resolver()->refundMethod('card'));
+    }
+
+    // ─────────────────────────────────────────────
+    // label — 카탈로그 다국어 → enum label → raw id
+    // ─────────────────────────────────────────────
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=label
+     *
+     * @effects extension_id_persisted_as_is
+     */
+    #[Test]
+    public function extension_method_label_comes_from_catalog_in_current_locale(): void
+    {
+        $this->registerMethod('nhnkcp_naverpay', ['needs_pg' => true]);
+
+        app()->setLocale('ko');
+        $this->assertSame('확장수단', $this->resolver()->label('nhnkcp_naverpay'));
+
+        app()->setLocale('en');
+        $this->assertSame('Extension Method', $this->resolver()->label('nhnkcp_naverpay'));
+    }
+
+    /**
+     * @scenario method_kind=builtin, capability_declared=declared, capability=label
+     *
+     * @effects builtin_capability_unchanged
+     */
+    #[Test]
+    public function builtin_label_falls_back_to_enum_label(): void
+    {
+        // builtin 은 enum 의 다국어 라벨을 그대로 쓴다.
+        $this->assertSame(
+            PaymentMethodEnum::CARD->label(),
+            $this->resolver()->label('card')
+        );
+    }
+
+    /**
+     * @scenario method_kind=extension, capability_declared=undeclared, capability=label
+     *
+     * @effects extension_id_persisted_as_is
+     */
+    #[Test]
+    public function unknown_method_label_falls_back_to_raw_id(): void
+    {
+        // 최후 폴백: 키가 없으면 raw id (빈 문자열/예외 대신 식별 가능한 값).
+        $this->assertSame('mystery_method', $this->resolver()->label('mystery_method'));
+    }
+
+    // ─────────────────────────────────────────────
+    // isPgLocked / isBuiltin
+    // ─────────────────────────────────────────────
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=pg_locked
+     *
+     * @effects admin_shows_pg_locked_badge, admin_hides_pg_select_for_locked
+     */
+    #[Test]
+    public function extension_method_can_declare_pg_locked(): void
+    {
+        $this->registerMethod('nhnkcp_naverpay', [
+            'pg_provider' => 'nhnkcp',
+            'pg_locked' => true,
+            'needs_pg' => true,
+        ]);
+
+        $this->assertTrue($this->resolver()->isPgLocked('nhnkcp_naverpay'));
+    }
+
+    /**
+     * @scenario method_kind=builtin, capability_declared=declared, capability=pg_locked
+     *
+     * @effects admin_shows_pg_select_for_unlocked
+     */
+    #[Test]
+    public function builtin_methods_are_not_pg_locked(): void
+    {
+        // builtin 은 관리자가 PG 를 자유롭게 선택할 수 있어야 한다.
+        $this->assertFalse($this->resolver()->isPgLocked('card'));
+        $this->assertFalse($this->resolver()->isPgLocked('vbank'));
+    }
+
+    /**
+     * @scenario method_kind=extension, capability_declared=undeclared, capability=pg_locked
+     *
+     * @effects admin_shows_pg_select_for_unlocked
+     */
+    #[Test]
+    public function is_builtin_distinguishes_core_methods_from_extension_ids(): void
+    {
+        $this->assertTrue($this->resolver()->isBuiltin('card'));
+        $this->assertTrue($this->resolver()->isBuiltin('dbank'));
+        $this->assertFalse($this->resolver()->isBuiltin('nhnkcp_naverpay'));
+    }
+
+    // ─────────────────────────────────────────────
+    // allValidIds — 검증 화이트리스트
+    // ─────────────────────────────────────────────
+
+    #[Test]
+    public function all_valid_ids_contains_every_builtin_method(): void
+    {
+        $ids = $this->resolver()->allValidIds();
+
+        foreach (PaymentMethodEnum::values() as $builtin) {
+            $this->assertContains($builtin, $ids);
+        }
+    }
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=needs_pg
+     *
+     * @effects extension_id_passes_validation
+     */
+    #[Test]
+    public function all_valid_ids_includes_registered_extension_methods(): void
+    {
+        $this->registerMethod('nhnkcp_naverpay', ['needs_pg' => true]);
+
+        $ids = $this->resolver()->allValidIds();
+
+        $this->assertContains('nhnkcp_naverpay', $ids);
+        $this->assertContains('card', $ids, 'builtin 이 확장 등록으로 밀려나면 안 된다');
+    }
+
+    /**
+     * @scenario method_kind=extension, capability_declared=undeclared, capability=needs_pg
+     *
+     * @effects unregistered_id_still_rejected
+     */
+    #[Test]
+    public function all_valid_ids_excludes_unregistered_ids(): void
+    {
+        // 화이트리스트가 넓어지되 임의 문자열은 여전히 배제해야 한다 (검증 우회 방지).
+        $this->assertNotContains('totally_unknown_method', $this->resolver()->allValidIds());
+    }
+
+    #[Test]
+    public function all_valid_ids_has_no_duplicates(): void
+    {
+        // 확장이 builtin id 를 덮어쓰는 형태로 등록해도 중복이 생기지 않아야 한다.
+        $this->registerMethod('card', ['needs_pg' => true]);
+
+        $ids = $this->resolver()->allValidIds();
+
+        $this->assertSame(count($ids), count(array_unique($ids)));
+    }
+
+    // ─────────────────────────────────────────────
+    // 기존 설치 환경 자가 치유 — saved 설정이 정의를 이기지 못한다
+    // ─────────────────────────────────────────────
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=pg_locked
+     *
+     * @effects saved_null_pg_provider_self_healed
+     */
+    #[Test]
+    public function saved_null_pg_provider_does_not_override_pg_locked_declaration(): void
+    {
+        // 기존 설치 환경의 order_settings.json 에는 확장 결제수단이 이미
+        // `pg_provider: null` 로 영속화되어 있다(#475 결함 시절의 값).
+        //
+        // mergePaymentMethodSettings() 가 saved 우선이면 플러그인이 defaults 를 고쳐도
+        // 기존 설정 파일이 이겨서 결함이 그대로 남는다. 능력 선언(pg_locked/needs_pg/
+        // refund_method)과 PG 고정 수단의 pg_provider 는 정의가 SSoT 여야 한다.
+        $this->registerMethod('nhnkcp_naverpay', [
+            'pg_provider' => 'nhnkcp',
+            'pg_locked' => true,
+            'needs_pg' => true,
+            'refund_method' => 'pg',
+        ]);
+
+        $settings = app(EcommerceSettingsService::class);
+
+        // 결함 시절의 saved 상태를 재현 — pg_provider 가 null 로 저장되어 있다.
+        $settings->saveSettings([
+            'order_settings' => [
+                'payment_methods' => [
+                    ['id' => 'nhnkcp_naverpay', 'pg_provider' => null, 'is_active' => true],
+                ],
+            ],
+        ]);
+
+        // 싱글톤 캐시를 비우고 재조회 (저장 후 읽기 경로)
+        $this->app->forgetInstance(PaymentMethodResolver::class);
+
+        $config = $settings->getPaymentMethodConfig('nhnkcp_naverpay');
+
+        $this->assertSame('nhnkcp', $config['pg_provider'] ?? null, 'PG 고정 수단은 saved null 을 무시하고 정의의 PG 를 강제해야 한다');
+        $this->assertTrue((bool) ($config['needs_pg'] ?? false));
+        $this->assertTrue($this->resolver()->needsPgProvider('nhnkcp_naverpay'));
+    }
+}
diff --git a/modules/_bundled/sirsoft-ecommerce/tests/scenarios/extension-payment-method.yaml b/modules/_bundled/sirsoft-ecommerce/tests/scenarios/extension-payment-method.yaml
new file mode 100644
index 00000000..311b375a
--- /dev/null
+++ b/modules/_bundled/sirsoft-ecommerce/tests/scenarios/extension-payment-method.yaml
@@ -0,0 +1,69 @@
+feature: extension_payment_method
+description: >
+  PG 플러그인이 등록하는 확장 결제수단(간편결제)을 1급 시민으로 처리한다.
+  능력(PG 필요 여부 / 라벨 / 환불수단 / PG 고정)의 해석은 결제수단 설정 카탈로그를 SSoT 로
+  삼으며, 코어 PaymentMethodEnum 에 case 가 없는 확장 ID 도 동일하게 판정된다.
+
+  이슈 #475: 확장 결제수단이 pg_provider=null 로 등록돼 서버가 "PG 결제가 아닌 주문" 으로
+  오인했고, 그 결과 (a) 결제 실패한 주문에 관리자 신규주문 알림이 발송되고 (b) 임시주문이
+  즉시 삭제돼 재결제가 불가능했다. 두 결함은 하나의 원인이다.
+
+test_files:
+  - modules/_bundled/sirsoft-ecommerce/tests/Feature/Payment/ExtensionPaymentMethodRegressionTest.php
+  - modules/_bundled/sirsoft-ecommerce/tests/Feature/Http/Controllers/Public/OrderControllerTest.php
+  - modules/_bundled/sirsoft-ecommerce/tests/Feature/Http/Controllers/Admin/OrderCancellationControllerTest.php
+  - modules/_bundled/sirsoft-ecommerce/tests/Unit/Services/PaymentMethodResolverTest.php
+  - modules/_bundled/sirsoft-ecommerce/tests/Unit/Models/OrderPaymentTest.php
+  - modules/_bundled/sirsoft-ecommerce/resources/js/__tests__/layouts/adminEcommerceSettingsOrder.test.tsx
+  - modules/_bundled/sirsoft-ecommerce/tests/Playwright/specs/admin/payment-method-pg-locked.spec.ts
+  - plugins/_bundled/sirsoft-pay_nhnkcp/tests/Unit/Listeners/RegisterEasyPayMethodsListenerTest.php
+  - plugins/_bundled/sirsoft-pay_nhnkcp/tests/Unit/Upgrades/BackfillEasyPayPgProviderTest.php
+  - plugins/_bundled/sirsoft-pay_nicepayments/tests/Unit/Listeners/RegisterEasyPayMethodsListenerTest.php
+  - plugins/_bundled/sirsoft-pay_nicepayments/tests/Unit/Upgrades/BackfillEasyPayPgProviderTest.php
+  - plugins/_bundled/sirsoft-pay_kginicis/tests/Unit/Listeners/RegisterEasyPayMethodsListenerTest.php
+  - plugins/_bundled/sirsoft-pay_kginicis/tests/Unit/Upgrades/BackfillEasyPayPgProviderTest.php
+
+# 입력 axis — 능력 해석에 영향을 주는 변수
+axes:
+  # 결제수단의 출처: 코어 8종 vs PG 플러그인이 등록한 확장 ID
+  method_kind: [builtin, extension]
+  # 카탈로그가 능력을 선언했는가 (플러그인이 신규 키를 안 쓰는 하위호환 경로)
+  capability_declared: [declared, undeclared]
+  # 능력별 판정 표면
+  capability: [needs_pg, label, refund_method, pg_locked]
+
+exclusions:
+  - method_kind: builtin
+    capability_declared: undeclared
+    reason: "builtin 은 코어가 enum 에서 능력을 항상 파생하므로 '미선언' 상태가 존재하지 않는다"
+
+# 후속 효과 체인 — 능력 오판이 낳는 실패들
+effects:
+  # 저장/조회
+  - extension_id_persisted_as_is          # payment_method 컬럼에 확장 ID 그대로 (enum 캐스트 ValueError 없음)
+  - builtin_capability_unchanged          # 코어 8종 판정 불변 (무통장 입금확인 · 가상계좌 환불 회귀 차단)
+  # 주문 생성
+  - extension_id_passes_validation        # 확장 ID 가 422 로 막히지 않음 (프론트 위장 불필요)
+  - unregistered_id_still_rejected        # 카탈로그 미등록 값은 여전히 차단 (검증 우회 방지)
+  - pg_provider_resolved_not_none         # determinePgProvider 가 'none' 이 아닌 실제 PG 반환
+  - requires_pg_payment_true              # 주문 응답의 requires_pg_payment=true
+  - pg_payment_handler_present            # provider 선언 핸들러가 응답에 실려 템플릿이 dispatch
+  - temp_order_preserved                  # PG 결제 주문이므로 임시주문 미삭제 → 재결제 가능
+  - admin_new_order_notification_deferred # 관리자 신규주문 알림이 주문 생성 시점에 발화하지 않음
+  # 취소/환불
+  - refund_method_is_pg                   # 환불수단 PG (BANK 로 떨어지면 카드 취소 누락)
+  - pg_refund_hook_invoked                # 취소 시 PG 환불 훅 진입
+  # 관리자 화면
+  - admin_shows_pg_locked_badge           # 확장 결제수단이 "PG 고정 · {PG명}" 배지로 표시
+  - admin_hides_pg_select_for_locked      # PG 고정 수단은 PG 선택 셀렉트 미노출
+  - admin_shows_pg_select_for_unlocked    # 일반 PG 수단은 셀렉트 노출 (회귀 차단)
+  # 기존 설치 환경
+  - saved_null_pg_provider_self_healed    # 저장된 pg_provider=null 이 정의값으로 덮임
+  - upgrade_step_backfills_settings_file  # upgrade step 이 저장 파일 자체도 정정 (멱등)
+
+sub_flows:
+  - id: legacy_card_orders
+    description: 기존에 payment_method='card' 로 저장된 간편결제 주문 (백필하지 않음)
+    effects:
+      - builtin_capability_unchanged
+      - refund_method_is_pg
diff --git a/modules/_bundled/sirsoft-ecommerce/vendor-bundle.json b/modules/_bundled/sirsoft-ecommerce/vendor-bundle.json
index a0448d27..7af6ba79 100644
--- a/modules/_bundled/sirsoft-ecommerce/vendor-bundle.json
+++ b/modules/_bundled/sirsoft-ecommerce/vendor-bundle.json
@@ -1,15 +1,15 @@
 {
     "schema_version": "1.0",
-    "generated_at": "2026-07-10T20:22:38+00:00",
+    "generated_at": "2026-07-14T14:08:36+00:00",
     "generator": "g7 vendor-bundle:build",
     "target": "module:sirsoft-ecommerce",
-    "composer_json_sha256": "5195d789bc9edd0b5140c42aeedd7c87be67c7252b477a879ff90607b4787935",
+    "composer_json_sha256": "a90f1bb9cceeb9542e84ca09a0945f31089879fdbb566044364058332627998a",
     "composer_lock_sha256": "876ca9c2273a33baff878d25050a567018a946412db053930a7f548c4add595d",
-    "zip_sha256": "c1767e8eca61163667e9289a3963454bab92806ce4e8a3651777f1e1aea14081",
+    "zip_sha256": "ffc7123cd61c7ca13a6dc29325aa31454005affd59fe97acf372d30ab016475d",
     "zip_size": 435549,
     "package_count": 1,
     "php_requirement": "^8.2",
-    "g7_version": "7.0.3",
+    "g7_version": "7.0.4",
     "packages": [
         {
             "name": "ezyang/htmlpurifier",
diff --git a/modules/_bundled/sirsoft-ecommerce/vendor-bundle.zip b/modules/_bundled/sirsoft-ecommerce/vendor-bundle.zip
index a823e196..b3698cc8 100644
Binary files a/modules/_bundled/sirsoft-ecommerce/vendor-bundle.zip and b/modules/_bundled/sirsoft-ecommerce/vendor-bundle.zip differ
diff --git a/modules/_bundled/sirsoft-page/package.json b/modules/_bundled/sirsoft-page/package.json
index 34d516e4..070d07f5 100644
--- a/modules/_bundled/sirsoft-page/package.json
+++ b/modules/_bundled/sirsoft-page/package.json
@@ -9,7 +9,9 @@
         "build": "vite build",
         "preview": "vite preview",
         "test": "vitest",
-        "test:run": "vitest run"
+        "test:run": "vitest run",
+        "test:e2e": "playwright test --config=tests/Playwright/playwright.config.ts",
+        "test:e2e:ui": "playwright test --config=tests/Playwright/playwright.config.ts --ui"
     },
     "devDependencies": {
         "jsdom": "^27.4.0",
diff --git a/modules/_bundled/sirsoft-page/tests/Playwright/playwright.config.ts b/modules/_bundled/sirsoft-page/tests/Playwright/playwright.config.ts
index 8215cff8..9396720c 100644
--- a/modules/_bundled/sirsoft-page/tests/Playwright/playwright.config.ts
+++ b/modules/_bundled/sirsoft-page/tests/Playwright/playwright.config.ts
@@ -25,6 +25,18 @@ import { fileURLToPath } from 'node:url';
 // import.meta.url 로 재구성한다.
 const __dirname = dirname(fileURLToPath(import.meta.url));
 
+/**
+ * 코어 루트 (artisan / .env / Playwright 산출물의 기준 경로).
+ *
+ * 확장 config 는 확장 디렉토리에서 실행되지만, 산출물을 그 안에 쓰면 Windows 에서
+ * `{module|template}:update` 의 디렉토리 이동이 열린 핸들에 걸려 실패한다.
+ * 산출물은 코어 루트 아래로 모아 update 경로와 분리한다 (.gitignore 가 이미 덮는 위치).
+ */
+const CORE_ROOT = process.env.G7_ROOT || resolve(__dirname, '../../../../../');
+
+/** 확장별 산출물 격리 — 확장끼리 리포트를 덮어쓰지 않도록 slug 로 네임스페이스. */
+const ARTIFACT_SLUG = 'modules/sirsoft-page';
+
 function readEnvFile(filePath: string, key: string): string | null {
   if (!existsSync(filePath)) return null;
   const content = readFileSync(filePath, { encoding: 'utf-8' });
@@ -42,10 +54,7 @@ function resolveBaseUrl(): string {
   if (process.env.PLAYWRIGHT_BASE_URL) {
     return process.env.PLAYWRIGHT_BASE_URL;
   }
-  // 모듈 디렉토리 기준 5단계 상위 = 코어 루트 (.env 위치)
-  // (modules/_bundled/sirsoft-page/tests/Playwright → 코어 루트)
-  const coreRoot = process.env.G7_ROOT || resolve(__dirname, '../../../../../');
-  const appUrl = readEnvFile(resolve(coreRoot, '.env'), 'APP_URL');
+  const appUrl = readEnvFile(resolve(CORE_ROOT, '.env'), 'APP_URL');
   if (appUrl && !/^https?:\/\/localhost(:\d+)?\/?$/i.test(appUrl)) {
     return appUrl;
   }
@@ -56,12 +65,13 @@ function resolveBaseUrl(): string {
 
 export default defineConfig({
   testDir: './specs',
+  outputDir: resolve(CORE_ROOT, 'test-results', ARTIFACT_SLUG),
   fullyParallel: true,
   forbidOnly: !!process.env.CI,
   retries: process.env.CI ? 2 : 0,
   workers: process.env.CI ? 1 : undefined,
   reporter: [
-    ['html', { outputFolder: 'playwright-report', open: 'never' }],
+    ['html', { outputFolder: resolve(CORE_ROOT, 'playwright-report', ARTIFACT_SLUG), open: 'never' }],
     ['list'],
   ],
   use: {
diff --git a/plugins/_bundled/sirsoft-pay_kginicis/CHANGELOG.md b/plugins/_bundled/sirsoft-pay_kginicis/CHANGELOG.md
index d66d32e2..390666c9 100644
--- a/plugins/_bundled/sirsoft-pay_kginicis/CHANGELOG.md
+++ b/plugins/_bundled/sirsoft-pay_kginicis/CHANGELOG.md
@@ -4,6 +4,20 @@
 형식은 [Keep a Changelog](https://keepachangelog.com/ko/1.1.0/)를 따르며,
 [Semantic Versioning](https://semver.org/lang/ko/)을 준수합니다.
 
+## [1.0.1] - 2026-07-14
+
+### Fixed
+
+- 삼성페이·네이버페이·카카오페이·L.pay 등 KG 이니시스 간편결제로 주문할 때, 결제가 실패했는데도 관리자에게 "신규 주문 접수" 알림이 발송되던 문제를 수정했습니다.
+- 간편결제로 결제하다 실패한 뒤 다시 결제하려 하면 "임시주문을 찾을 수 없습니다" 오류가 뜨며 재결제가 불가능하던 문제를 수정했습니다. 이제 결제 실패 후에도 주문서가 유지됩니다.
+- 간편결제 주문을 취소할 때 카드 취소가 함께 이뤄지지 않을 수 있던 문제를 수정했습니다.
+
+### Changed
+
+- 간편결제가 정식 결제수단으로 취급되어 주문 내역에 실제로 선택한 결제수단(예: 네이버페이)이 그대로 기록됩니다.
+- 쇼핑몰 환경설정 > 주문설정의 결제수단 목록에서 간편결제가 "PG 고정 · KG이니시스"로 표시됩니다. 간편결제는 KG 이니시스 전용이므로 다른 결제대행사로 바꿀 수 없습니다.
+- 결제창을 띄우기 위해 브라우저 요청을 가로채 결제수단을 바꿔치기하던 내부 처리를 제거했습니다. 결제 진행 방식이 표준화되어 주문서 입력값이 초기화되는 등의 부작용이 사라집니다.
+
 ## [1.0.0] - 2026-07-01
 
 ### Added
diff --git a/plugins/_bundled/sirsoft-pay_kginicis/composer.json b/plugins/_bundled/sirsoft-pay_kginicis/composer.json
index c1753b74..0ad77064 100644
--- a/plugins/_bundled/sirsoft-pay_kginicis/composer.json
+++ b/plugins/_bundled/sirsoft-pay_kginicis/composer.json
@@ -1,7 +1,7 @@
 {
     "name": "plugins/sirsoft-pay_kginicis",
     "description": "KG Inicis PG Plugin for G7 platform",
-    "version": "1.0.0",
+    "version": "1.0.1",
     "type": "library",
     "authors": [
         {
diff --git a/plugins/_bundled/sirsoft-pay_kginicis/dist/js/plugin.iife.js b/plugins/_bundled/sirsoft-pay_kginicis/dist/js/plugin.iife.js
index 9f1f4157..5126f528 100644
--- a/plugins/_bundled/sirsoft-pay_kginicis/dist/js/plugin.iife.js
+++ b/plugins/_bundled/sirsoft-pay_kginicis/dist/js/plugin.iife.js
@@ -1,14 +1,14 @@
-(function(){"use strict";const $="kginicis_pay_form_",D="__sirsoftKginicisReloadStandardPaySdk",b="__sirsoftKginicisMobilePaymentReturnPending";function he(){if(typeof document>"u")return 0;const e=document.querySelectorAll(`form[id^="${$}"]`);return e.forEach(t=>t.remove()),e.length}function gt(){typeof window>"u"||(window[D]=!0)}function _t(){if(typeof window>"u")return!1;const e=window,t=e[D]===!0;return delete e[D],t}function wt(e){typeof window>"u"||typeof document>"u"||(window.INIStdPay=void 0,document.querySelectorAll(`script[src="${e}"], script[src*="/INIStdPay_third-party.js"]`).forEach(t=>t.remove()))}function bt(e=Date.now()){if(!(typeof window>"u"))try{window.sessionStorage.setItem(b,String(e))}catch{window[b]=e}}function B(){if(!(typeof window>"u")){try{window.sessionStorage.removeItem(b)}catch{}delete window[b]}}function ge(e=Date.now()){if(typeof window>"u")return!1;let t=null;try{const n=window.sessionStorage.getItem(b);t=n?Number(n):null}catch{t=null}if(!Number.isFinite(t)){const n=window[b];t=typeof n=="number"?n:Number(n)}return!Number.isFinite(t)||e-t>18e5?(B(),!1):!0}const j="sirsoft-pay_kginicis",kt=j,Pt="payment-window-closed",_e="__sirsoftKginicisPaymentCloseListenerInstalled",Y="__sirsoftKginicisActiveStandardPaymentCloseContext",we=20,xt=100,U={info:(...e)=>console.info(`[${j}]`,...e),warn:(...e)=>console.warn(`[${j}]`,...e)};function Ct(e){if(!e||typeof e!="object")return!1;const t=e;return t.source===kt&&t.type===Pt}function H(){return/\/shop\/checkout\/?$/.test(window.location.pathname)}function A(){return window}function Et(){const e=A()[Y];return!e||typeof e!="object"?null:e}function vt(e){return/^https?:\/\//i.test(e)||e.startsWith("/api/")?e:e.startsWith("/plugins/")?`/api${e}`:e.startsWith("plugins/")?`/api/${e}`:e}function St(e){e.closeReportUrl&&(A()[Y]={...e,reported:!1})}function be(){delete A()[Y]}function ke(){be()}async function It(e="payment-window-closed"){const t=Et();if(!t||t.reported||!H())return;t.reported=!0;const n={oid:t.oid,price:t.price,buyer_email:t.buyer_email??"",buyer_phone:t.buyer_phone??"",payment_method:t.payment_method??"",reason:e};try{const r=window.G7Core?.api;typeof r?.post=="function"?await r.post(t.closeReportUrl,n):await fetch(vt(t.closeReportUrl),{method:"POST",headers:{"Content-Type":"application/json"},body:JSON.stringify(n),keepalive:!0})}catch(r){U.warn("failed to report KG payment window close",{reason:e,error:r})}finally{be()}}function Pe(e="payment-window-closed",t=!0){if(!H())return!1;const r=window.G7Core?.state?.setLocal;return typeof r!="function"?(t&&U.warn("G7Core.state.setLocal not available while resetting payment submit state"),!1):(he(),gt(),r({isSubmittingOrder:!1}),U.info("checkout submit state reset after KG payment close",{reason:e}),!0)}function At(e,t=!1){let n=0;const r=()=>{if(n++,!(t&&!ge())){if(Pe(e,n>=we)){t&&B();return}!H()||n>=we||window.setTimeout(r,xt)}};r()}function T(e){ge()&&At(e,!0)}function Tt(){if(typeof window>"u")return;const e=A();e[_e]||(window.addEventListener("message",t=>{t.origin===window.location.origin&&Ct(t.data)&&(It(t.data.reason),Pe(t.data.reason))}),window.addEventListener("pagehide",()=>{ke()}),window.addEventListener("beforeunload",()=>{ke()}),window.addEventListener("pageshow",t=>{T(t.persisted?"mobile-payment-bfcache-return":"mobile-payment-page-show")}),window.addEventListener("focus",()=>{T("mobile-payment-window-focus")}),document.addEventListener("visibilitychange",()=>{document.visibilityState==="visible"&&T("mobile-payment-visibility-return")}),e[_e]=!0,T("mobile-payment-listener-installed"))}function xe(){if(typeof navigator>"u")return!1;const e=navigator;if(e.userAgentData?.mobile!==void 0)return e.userAgentData.mobile;const t=(e.userAgent||"").toLowerCase(),n=((e.userAgentData?.platform??e.platform)||"").toLowerCase();if(/android|iphone|ipad|ipod|windows phone|iemobile|blackberry|opera mini|mobile safari/.test(t)||/iphone|ipad|ipod|ios/.test(n))return!0;const r=e.maxTouchPoints??0;return/macintosh|mac os x/.test(t)&&r>1}function Rt(e){return new Promise((t,n)=>{if(document.querySelector(`script[src="${e}"]`)){t();return}const r=document.createElement("script");r.src=e,r.async=!0,r.onload=()=>t(),r.onerror=()=>n(new Error(`Failed to load script: ${e}`)),document.head.appendChild(r)})}function Ce(e,t){if(!t.startsWith("kginicis_"))return e;const n=new URL(e,window.location.origin);return n.searchParams.set("selectedPaymentMethod",t),n.toString()}function Nt(e){const t=(e??"").trim().toUpperCase();return t===""||t==="WON"?"KRW":t}function Ee(e,t,n="utf-8",r){const i=document.createElement("form");r&&(i.id=r),i.method="POST",i.action=e,i.acceptCharset=n,i.style.display="none";for(const[o,a]of Object.entries(t)){const s=document.createElement("input");s.type="hidden",s.name=o,s.value=a,i.appendChild(s)}document.body.appendChild(i),i.submit()}const Mt={card:"Card",vbank:"VBank",bank:"DirectBank",phone:"HPP",kginicis_samsung_pay:"onlyssp",kginicis_naverpay:"onlynaverpay",kginicis_lpay:"onlylpay",kginicis_kakaopay:"onlykakaopay"},Lt={card:"CARD",vbank:"VBANK",bank:"BANK",phone:"MOBILE"},Kt={kginicis_samsung_pay:"d_samsungpay=Y",kginicis_naverpay:"d_npay=Y",kginicis_lpay:"d_lpay=Y",kginicis_kakaopay:"d_kakaopay=Y"},Ot=["CARD","CVS","PAYpay"],ve={card:["CARD"],kginicis_japan_paypay:["PAYpay"],kginicis_japan_cvs:["CVS"]},Gt=new Set(Object.keys(ve)),$t=new Set(["kginicis_samsung_pay","kginicis_naverpay","kginicis_lpay","kginicis_kakaopay"]);async function Dt(e,t,n,r){const i=String(Math.floor(Date.now())),o=await e.api.post(t.callback_urls.mobile_signature,{oid:n.order_number,price:n.amount,timestamp:i,buyer_email:n.customer_email??"",buyer_phone:n.customer_phone??""}),{chkfake:a,mobile_payment_url:s}=o.data,c=Ce(window.location.origin+t.callback_urls.mobile_callback+"?orderId="+encodeURIComponent(n.order_number),r),l=Kt[r],d=l!==void 0,u=d?s.replace(/\/smart\/[^/]+\/?$/,"/smart/wcard/"):s,f=Lt[r]??"CARD",p=t.use_escrow?"below1000=Y&vbank_receipt=Y&useescrow=Y&centerCd=Y&amt_hash=Y":"below1000=Y&vbank_receipt=Y&centerCd=Y&amt_hash=Y",m=d?p.replace("&useescrow=Y","")+"&"+l:p,y={P_MID:t.mid,P_OID:n.order_number,P_AMT:String(n.amount),P_GOODS:n.order_name,P_UNAME:n.customer_name??"",P_MOBILE:n.customer_phone??"",P_EMAIL:n.customer_email??"",P_NEXT_URL:c,P_CHARSET:"utf8",P_TIMESTAMP:i,P_CHKFAKE:a,P_RESERVED:m};d?y.P_SKIP_TERMS="Y":y.P_INI_PAYMENT=f,f==="MOBILE"&&!d&&(y.P_HPP_METHOD="2"),f==="VBANK"&&!d&&(y.P_NOTI_URL=window.location.origin+t.callback_urls.mobile_vbank_notify),bt(),Ee(u,y,"euc-kr",$+"mobile_"+Date.now())}async function Bt(e,t,n,r){const i=String(Math.floor(Date.now())),o=await e.api.post(t.callback_urls.signature,{oid:n.order_number,price:n.amount,timestamp:i,buyer_email:n.customer_email??"",buyer_phone:n.customer_phone??""}),{signature:a,verification:s,mKey:c}=o.data;if(_t()&&wt(t.sdk_url),window.INIStdPay||await Rt(t.sdk_url),window.INIStdPay||await new Promise(m=>setTimeout(m,100)),!window.INIStdPay)throw new Error("INIStdPay SDK not available");const l=Ce(window.location.origin+t.callback_urls.callback,r),d=window.location.origin+t.callback_urls.close;he();const u=$+Date.now(),f=document.createElement("form");f.id=u,f.method="POST",f.acceptCharset="euc-kr";const p={version:"1.0",mid:t.mid,oid:n.order_number,goodname:n.order_name,price:String(n.amount),currency:"WON",buyername:n.customer_name??"",buyeremail:n.customer_email??"",buyertel:n.customer_phone??"",timestamp:i,signature:a,verification:s,mKey:c,returnUrl:l,closeUrl:d,gopaymethod:Mt[r]??"Card",acceptmethod:(()=>{const m=t.use_escrow?"useescrow:":"",y=t.use_credit_point?"CREDITCARD(Y):":"",h=r==="phone"?`HPP(1):${m}${y}centerCd(Y)`:`${m}${y}centerCd(Y)`;return r==="kginicis_samsung_pay"||r==="kginicis_naverpay"||r==="kginicis_lpay"||r==="kginicis_kakaopay"?h?`${h}:cardonly`:"cardonly":h})(),payViewType:"overlay",use_chkfake:"Y",charset:"UTF-8"};for(const[m,y]of Object.entries(p)){const h=document.createElement("input");h.type="hidden",h.name=m,h.value=y,f.appendChild(h)}document.body.appendChild(f),t.callback_urls.close_report&&St({closeReportUrl:t.callback_urls.close_report,oid:n.order_number,price:Number(n.amount),buyer_email:n.customer_email??"",buyer_phone:n.customer_phone??"",payment_method:r}),window.INIStdPay.pay(u)}function jt(e=new Date){const t=n=>String(n).padStart(2,"0");return e.getFullYear().toString()+t(e.getMonth()+1)+t(e.getDate())+t(e.getHours())+t(e.getMinutes())+t(e.getSeconds())}function Yt(e,t){const n=e.cbt_extra_data??{},i=(t?ve[t]:void 0)??n.payment?.paymethod??Ot,o=window.location.origin+e.callback_urls.cbt_cvs_notify;return{...n,paymentUI:{language:"JP",...n.paymentUI??{}},payment:{...n.payment??{},paymethod:i,isMobile:xe()?"true":"false",cvs:{...n.payment?.cvs??{},notiUrl:o}}}}async function Ut(e,t,n,r){const i=t.japan_mid,o=jt(),a=n.customer_email??"",s=n.customer_phone??"",c=await e.api.post(t.callback_urls.cbt_checkout_token,{oid:n.order_number,price:n.amount,buyer_email:a,buyer_phone:s}),{checkout_token:l}=c.data,d=await 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e.api.post(t.callback_urls.cbt_hash_data,{oid:n.order_number,price:n.amount,timestamp:o,buyer_email:a,buyer_phone:s,checkout_token:u}),{hash_data:d}=l.data,f=window.location.origin+t.callback_urls.cbt_callback+`?oid=${encodeURIComponent(n.order_number)}&selectedPaymentMethod=${encodeURIComponent(i??"card")}`;we(t.callback_urls.cbt_auth_url,{cbtType:"JPPG",mid:r,timestamp:o,returnUrl:f,buyerName:n.customer_name??"",buyerTel:n.customer_phone??"",buyerEmail:n.customer_email??"",goodName:n.order_name,amount:String(n.amount),orderId:n.order_number,hashData:d,extraData:JSON.stringify(Nt(t,i))})}async function Lt(e,t){const{pgPaymentData:n,paymentMethod:i}=e.params||{};if(!n)return;const r=window.__templateApp?.globalState?._local,o=i??n.payment_method??r?.paymentMethod??"card",a=window.G7Core;try{const s=await a.api.get("/modules/sirsoft-ecommerce/payments/client-config/kginicis");if(!s.data)throw new Error("Failed to fetch KG Inicis client config");const c=s.data,u=kt(n.currency),l=u==="JPY",d=u==="KRW",f=o.startsWith("kginicis_japan_"),m=St.has(o),p=c.japan_enabled&&!!c.japan_mid&&c.japan_configured!==!1,y=c.japan_restrict_jpy_payment_methods===!0;if(f&&!l)throw new Error("KG Inicis Japan payment methods require a JPY order.");if(m&&Array.isArray(c.easy_pay_enabled_methods)&&!c.easy_pay_enabled_methods.includes(o))throw new Error("Selected KG Inicis easy pay method is disabled.");if(!l&&!d)throw new Error("KG Inicis supports only KRW standard payments or JPY Japan CBT payments.");if(l&&!p)throw new Error("KG Inicis Japan CBT payment is not configured.");if(l&&y&&!vt.has(o))throw new Error("JPY orders can only use KG Inicis Japan CBT payment methods.");const g=ge();if(d&&c.standard_configured===!1)throw new Error("KG Inicis live standard payment is not configured.");if(d&&g&&c.mobile_configured===!1)throw new Error("KG Inicis live mobile payment is not configured.");l?await Rt(a,c,n,o):g?await It(a,c,n,o):await At(a,c,n,o)}catch(s){const c=s instanceof Error?s.message:"Unknown error";a?.state?.setLocal?.({paymentErrorMessage:c,isSubmittingOrder:!1,paymentMethod:o}),a?.modal?.open?.("kginicis_payment_error_modal")}}const ke={requestPayment:Lt},Mt="sirsoft-pay_kginicis",Kt={info:(...e)=>console.info(`[${Mt}]`,...e)};function Ot(){Kt.info("order interceptor is a no-op — payment entry is dispatched via pg_payment_handler")}const Gt="sirsoft-pay_kginicis";function $t(){return localStorage.getItem("auth_token")}function Dt(){try{const t=sessionStorage.getItem("g7_guest_order_token");if(t)return t}catch{}const e=window.G7Core?.state?.get?.("_global")?.guestOrderToken;return typeof e=="string"&&e!==""?e:null}async function Pe(e,t){try{const n=await fetch(`/api/plugins/${Gt}/user/orders/${e}/receipt`,{headers:t,credentials:"same-origin"});return n.ok?{status:n.status,data:await n.json()}:{status:n.status,data:null}}catch{return{status:0,data:null}}}async function xe(e){const t=$t(),n=Dt(),i={Accept:"application/json"};t?i.Authorization=`Bearer ${t}`:n&&(i["X-Guest-Order-Token"]=n);const r=await Pe(e,i);if(r.data||r.status!==401||!t)return{status:r.status,info:r.data};const o={Accept:"application/json"};n&&(o["X-Guest-Order-Token"]=n);const a=await Pe(e,o);return{status:a.status,info:a.data}}async function S(e){return(await xe(e)).info}function P(e){return e?e.receipt_url?!0:e.receipt_type==="cbt_confirmation"&&Array.isArray(e.receipt_fields)&&e.receipt_fields.length>0:!1}function I(e){return e?.receipt_view_label||"영수증 조회"}function Bt(e){return e?.receipt_label||"영수증"}function Ce(e){if(e.receipt_url){window.open(e.receipt_url,"kginicis_receipt","width=800,height=600,scrollbars=yes,resizable=yes");return}e.receipt_type==="cbt_confirmation"&&jt(e)}function jt(e){const t=window.open("","kginicis_receipt","width=800,height=700,scrollbars=yes,resizable=yes");if(!t)return;const n=e.receipt_title||"KG 이니시스 CBT 결제확인서",i=e.receipt_notice||"",r=(e.receipt_fields??[]).map(o=>`
             <div class="row">
-                <dt>${S(o.label)}</dt>
-                <dd>${S(o.value)}</dd>
+                <dt>${x(o.label)}</dt>
+                <dd>${x(o.value)}</dd>
             </div>
         `).join("");t.document.open(),t.document.write(`<!doctype html>
 <html lang="ko">
 <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <title>${S(n)}</title>
+    <title>${x(n)}</title>
     <style>
         body {
             margin: 0;
@@ -81,10 +81,11 @@
 </head>
 <body>
     <main>
-        <h1>${S(n)}</h1>
-        ${r?`<p class="notice">${S(r)}</p>`:""}
-        <dl>${i}</dl>
+        <h1>${x(n)}</h1>
+        ${i?`<p class="notice">${x(i)}</p>`:""}
+        <dl>${r}</dl>
         <div class="actions"><button type="button" onclick="window.print()">인쇄</button></div>
     </main>
 </body>
-</html>`),t.document.close()}function S(e){return e.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;").replace(/'/g,"&#039;")}const F="sirsoft-pay_kginicis",Le="__kginicisOrderShowInjectorInstalled",W="kginicis-mp-receipt-row",Ke=/^(?:\/mypage\/orders\/([^/]+)|\/shop\/guest\/orders\/([^/]+))$/,q=new Map;function on(e){try{const n=window.G7Core?.getState,o=n?.()?.currentDataContext?.order?.data;return o&&(o.order_number===e||o.id!==void 0&&String(o.id)===e)?o:null}catch{return null}}function an(){const e=document.getElementById("order_payment_info_panel");if(e)return Array.from(e.children).find(r=>r.className?.includes("space-y"))??e;const t=Array.from(document.querySelectorAll("h3")).find(r=>{const i=r.textContent?.trim()??"";return i.includes("결제 정보")||/^Payment Information$/i.test(i)});if(!t)return null;const n=t.parentElement?.parentElement;return n?Array.from(n.children).find(r=>r.className?.includes("space-y"))??n:null}function sn(e,t){if(!t)return!1;const n=Array.from(e.querySelectorAll("div"));for(const r of n){const i=Array.from(r.children).filter(s=>s instanceof HTMLElement&&s.tagName==="SPAN");if(i.length<2)continue;const o=i[0].textContent?.trim();if(o!=="결제 방법"&&o!=="결제수단"&&o!=="Payment Method")continue;const a=i[i.length-1];return a.textContent?.trim()===t?(r.dataset.kginicisPaymentMethodRow="true",!0):(a.textContent=t,a.dataset.kginicisPaymentMethodPatched="true",r.dataset.kginicisPaymentMethodRow="true",!0)}return!1}function cn(e,t){const n=document.createElement("div");n.id=W,n.className="flex items-center justify-between",n.dataset.kginicisReceiptRow="mypage-order";const r=document.createElement("span");r.className="text-gray-500 dark:text-gray-400 text-sm",r.textContent=nn(t);const i=document.createElement("button");return i.type="button",i.dataset.kginicisReceiptButton="mypage-order",i.className="inline-flex items-center gap-1 text-sm text-blue-600 dark:text-blue-400 hover:underline disabled:opacity-50",i.textContent=M(t),i.addEventListener("click",async()=>{i.disabled=!0,i.textContent="로딩 중...";const o=await N(e);i.disabled=!1,i.textContent=M(o??t),v(o)&&Me(o)}),n.appendChild(r),n.appendChild(i),n}async function dn(e,t){const n=on(e),r=n?.payment;if(r&&(r.pg_provider!=="kginicis"||!r.transaction_id))return!0;const i=n?.order_number??(t?e:null);if(!i)return!1;if(!t&&n&&!r)return!0;const o=an();if(!o)return!1;const{status:a,info:s}=await Ne(i);if(!t&&a===404)return!0;const c=r?.payment_status==="paid",l=s?.receipt_type==="cbt_confirmation";if(r&&!c&&!l)return!0;if(!r&&!v(s))return!1;const d=sn(o,s?.payment_method_display_label);return!document.getElementById(W)&&v(s)&&(o.appendChild(cn(i,s)),console.info(`[${F}] receipt button injected on mypage order show`)),d&&console.info(`[${F}] payment method display patched on mypage order show`),!!(document.getElementById(W)||d)}function ln(e,t){if(q.has(e))return;let n=0;const r=window.setInterval(()=>{n++,dn(e,t).then(i=>{(i||n>=30)&&(window.clearInterval(r),q.delete(e))})},400);q.set(e,r)}function un(){const e=location.pathname.match(Ke);if(e){const t=e[1],n=e[2],r=t??n;r&&ln(r,n!==void 0)}}function fn(){if(typeof window>"u")return;const e=window;if(e[Le])return;e[Le]=!0,console.info(`[${F}] mypage order show injector installed`);let t=null;const n=(s=1500)=>{t!==null&&window.clearTimeout(t),t=window.setTimeout(()=>{t=null,un()},s)};document.readyState==="loading"?document.addEventListener("DOMContentLoaded",()=>n()):n();const r=history.pushState.bind(history);history.pushState=(...s)=>{r(...s),n(600)};const i=history.replaceState.bind(history);history.replaceState=(...s)=>{i(...s),n(600)},window.addEventListener("popstate",()=>n(500));const o=document.getElementById("app")??document.body;new MutationObserver(()=>{Ke.test(location.pathname)&&n(250)}).observe(o,{childList:!0,subtree:!0})}const z="sirsoft-pay_kginicis",Oe="__kginicisAdminPaymentDisplayInjectorInstalled",mn=/^\/admin\/ecommerce\/orders\/([^/]+)$/;function pn(){return localStorage.getItem("auth_token")}async function yn(e){const t=pn();if(!t)return null;try{const n=await fetch(`/api/plugins/${z}/admin/orders/${e}/transaction-status`,{headers:{Authorization:`Bearer ${t}`,Accept:"application/json"}});if(!n.ok)return null;const r=await n.json();return("data"in r?r.data:r)??null}catch{return null}}function hn(e){return Array.from(e.children).filter(t=>t instanceof HTMLElement)}function gn(e,t){let n=!1;const r=Array.from(e.querySelectorAll("div"));for(const i of r){const o=hn(i),a=o.findIndex(u=>u.textContent?.trim()==="결제수단");if(a<0)continue;const s=o.slice(a+1).find(u=>u.textContent?.trim()&&u.textContent.trim()!=="결제수단");if(!s)continue;const c=o.slice(a+2).find(u=>/^\(.+\)$/.test(u.textContent?.trim()??"")),l=c?.textContent?.trim().replace(/^\(|\)$/g,"")??"",d=l&&t.endsWith(")")?t.replace(/\)$/,`, ${l})`):t;s.textContent?.trim()!==d&&(s.textContent=d,s.dataset.kginicisPaymentMethodPatched="true"),i.dataset.kginicisPaymentMethodRow="admin-order",c&&l&&(c.textContent="",c.style.display="none",c.dataset.kginicisPaymentInstallmentHidden="true"),n=!0}return n}function _n(e,t,n){const i=Array.from(e.querySelectorAll("span")).filter(o=>o.textContent?.trim()===t).find(o=>{const a=typeof o.className=="string"?o.className:"";return a.includes("rounded-full")||a.includes("font-medium")});return i?(i.textContent=n,i.dataset.kginicisPaymentMethodPatched="true",i.dataset.kginicisPaymentMethodBadge="admin-order",!0):!1}function wn(e,t){const n=t?._pay_method_label,r=t?._embedded_pg_provider_label,i=t?._base_pay_method_label;if(!n||!r)return!1;const o=gn(e,n),a=i?_n(e,i,r):!1;return o||a}async function bn(e){const t=document.getElementById("section_payment_info")??document.getElementById("payment_info_card");if(!t)return!1;const n=await yn(e);return n&&wn(t,n)&&console.info(`[${z}] payment method display patched on admin order detail`),!0}function kn(e){let t=0;const n=setInterval(()=>{t++,bn(e).then(r=>{(r||t>=30)&&clearInterval(n)})},400)}function Pn(){const e=location.pathname.match(mn);e&&kn(e[1])}function xn(){if(typeof window>"u")return;const e=window;if(e[Oe])return;e[Oe]=!0,console.info(`[${z}] admin order payment display injector installed`);const t=(r=1500)=>setTimeout(Pn,r);document.readyState==="loading"?document.addEventListener("DOMContentLoaded",()=>t()):t();const n=history.pushState.bind(history);history.pushState=(...r)=>{n(...r),t(600)},window.addEventListener("popstate",()=>t(500))}const Ge="sirsoft-pay_kginicis",$e="__kginicisOcReceiptInjectorInstalled",De="kginicis-oc-receipt-btn",Cn=/^\/shop\/orders\/([^/]+)\/complete$/;function En(){return localStorage.getItem("auth_token")}function vn(){try{const t=sessionStorage.getItem("g7_guest_order_token");if(t)return t}catch{}const e=window.G7Core?.state?.get?.("_global")?.guestOrderToken;return typeof e=="string"&&e!==""?e:null}async function Sn(e){const t=En(),n=vn();if(!t&&!n)return null;const r={Accept:"application/json"};t?r.Authorization=`Bearer ${t}`:n&&(r["X-Guest-Order-Token"]=n);try{const i=await fetch(`/api/modules/sirsoft-ecommerce/user/orders/${e}`,{headers:r});return i.ok?(await i.json())?.data?.payment??null:null}catch{return null}}function In(e){if(!e)return!1;const t=Array.from(document.querySelectorAll("div"));for(const n of t){const r=Array.from(n.children).filter(a=>a instanceof HTMLElement&&a.tagName==="SPAN");if(r.length<2)continue;const i=r[0].textContent?.trim();if(i!=="결제 방법"&&i!=="결제수단"&&i!=="결제 방식")continue;const o=r[r.length-1];return o.textContent?.trim()===e?(n.dataset.kginicisPaymentMethodRow="true",!0):(o.textContent=e,o.dataset.kginicisPaymentMethodPatched="true",n.dataset.kginicisPaymentMethodRow="true",!0)}return!1}async function An(e){if(document.getElementById(De))return;const t=await N(e);if(!v(t))return;const n=await Sn(e);if(n){if(n.pg_provider!=="kginicis"||!n.transaction_id)return;const s=n.payment_status==="paid",c=t.receipt_type==="cbt_confirmation";if(!s&&!c)return}In(t.payment_method_display_label);const r=Array.from(document.querySelectorAll('button[type="button"]')).find(s=>s.className.includes("bg-blue-600"));if(!r?.parentElement)return;const i=r.parentElement;i.dataset.kginicisReceiptContainer="order-complete";const o=document.createElement("button");o.id=De,o.type="button",o.dataset.kginicisReceiptButton="order-complete",o.className=r.className.replace(/bg-blue-\d+/g,"bg-green-600").replace(/hover:bg-blue-\d+/g,"hover:bg-green-700"),o.textContent=M(t),o.addEventListener("click",async()=>{o.disabled=!0,o.textContent="로딩 중...";const s=await N(e);o.disabled=!1,o.textContent=M(s??t),v(s)&&Me(s)});const a=i.lastElementChild;i.insertBefore(o,a),console.info(`[${Ge}] receipt button injected on order complete page`)}function Tn(){const e=location.pathname.match(Cn);e&&An(e[1])}function Rn(){if(typeof window>"u")return;const e=window;if(e[$e])return;e[$e]=!0,console.info(`[${Ge}] order complete receipt injector installed`);const t=(r=1200)=>setTimeout(Tn,r);document.readyState==="loading"?document.addEventListener("DOMContentLoaded",()=>t()):t();const n=history.pushState.bind(history);history.pushState=(...r)=>{n(...r),t()},window.addEventListener("popstate",()=>t(500))}const Be="sirsoft-pay_kginicis",je="__kginicisVbankInfoInjectorInstalled",V="kginicis-mp-vbank-info",Nn=/^\/shop\/orders\/([^/]+)\/complete$/,Mn=/^\/mypage\/orders\/([^/]+)$/,Ln=/\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}[+\-]\d{2}:\d{2}/,Kn={"03":"기업은행","04":"국민은행","05":"외환은행","07":"수협중앙회",11:"농협중앙회",20:"우리은행",23:"SC 제일은행",31:"대구은행",32:"부산은행",34:"광주은행",37:"전북은행",39:"경남은행",53:"한국씨티은행",71:"우체국",81:"하나은행",88:"신한은행",89:"케이뱅크",90:"카카오뱅크",92:"토스뱅크",D1:"동양종합금융증권",D2:"현대증권",D3:"미래에셋증권",D4:"한국투자증권",D5:"우리투자증권",D6:"하이투자증권",D7:"HMC 투자증권",D8:"SK 증권",D9:"대신증권",DA:"하나대투증권",DB:"굿모닝신한증권",DC:"동부증권",DD:"유진투자증권",DE:"메리츠증권",DF:"신영증권"};function On(e){if(e.vbank_code)return String(e.vbank_code);const t=(e.vbank_name??"").trim();if(!t)return null;for(const[n,r]of Object.entries(Kn))if(r===t)return n;return null}function Gn(){try{const t=window.G7Core?.getState;return t?.()?.currentDataContext?._global?.currentUser?.is_admin===!0}catch{return!1}}function Ye(e){try{return new Date(e).toLocaleString("ko-KR",{year:"numeric",month:"long",day:"numeric",hour:"2-digit",minute:"2-digit",timeZone:"Asia/Seoul"})}catch{return e}}function $n(){const e=document.createTreeWalker(document.body,NodeFilter.SHOW_TEXT),t=[];let n=e.nextNode();for(;n;){const r=n.textContent??"",i=r.match(Ln);i&&t.push({node:n,formatted:r.replace(i[0],Ye(i[0]))}),n=e.nextNode()}for(const{node:r,formatted:i}of t)r.textContent=i}function Dn(e){try{const n=window.G7Core?.getState,o=n?.()?.currentDataContext?.order?.data;return!o||o.order_number!==e?null:o}catch{return null}}function Bn(){const e=document.getElementById("order_payment_info_panel");if(e)return Array.from(e.children).find(r=>r.className?.includes("space-y"))??e;const t=Array.from(document.querySelectorAll("h3")).find(r=>r.textContent?.includes("결제 정보"));if(!t)return null;const n=t.parentElement?.parentElement;return n?Array.from(n.children).find(r=>r.className?.includes("space-y"))??n:null}function _(e,t,n=!1){const r=document.createElement("div");r.className="flex items-center justify-between";const i=document.createElement("span");i.className="text-gray-500 dark:text-gray-400 text-sm",i.textContent=e;const o=document.createElement("span");return o.className=n?"text-sm font-medium text-blue-600 dark:text-blue-400":"text-sm text-gray-900 dark:text-gray-100",o.textContent=t,r.appendChild(i),r.appendChild(o),r}function jn(e,t){const n=document.createElement("div");n.id=V,n.className="mt-3 pt-3 border-t border-gray-200 dark:border-gray-700 space-y-2";const r=document.createElement("p");if(r.className="text-sm font-semibold text-gray-700 dark:text-gray-300",r.textContent="가상계좌 입금 안내",n.appendChild(r),e.vbank_name&&n.appendChild(_("은행",e.vbank_name)),Gn()){const i=On(e);i&&n.appendChild(_("은행코드",i))}return e.vbank_number&&n.appendChild(_("계좌번호",e.vbank_number)),e.vbank_holder&&n.appendChild(_("예금주",e.vbank_holder)),t&&n.appendChild(_("입금 기한",t,!0)),n}function w(e,t){return e?.receipt_fields?.find(n=>n.label===t)?.value??""}function Yn(e,t){if(t?.receipt_type!=="cbt_confirmation")return!1;if(w(t,"결제수단").includes("편의점"))return!0;const r=String(e.transaction_id??"");return String(e.currency??"").toUpperCase()==="JPY"&&(String(e.vbank_name??"").toUpperCase()==="CVS"||r.startsWith("INIJPGCVS"))}function Un(e,t,n){const r=document.createElement("div");r.id=V,r.className="mt-3 pt-3 border-t border-gray-200 dark:border-gray-700 space-y-2";const i=document.createElement("p");i.className="text-sm font-semibold text-gray-700 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yn(){if(typeof window>"u")return;const e=window;if(e[Ae])return;e[Ae]=!0,console.info(`[${Ie}] order complete receipt injector installed`);const t=(i=1200)=>setTimeout(pn,i);document.readyState==="loading"?document.addEventListener("DOMContentLoaded",()=>t()):t();const n=history.pushState.bind(history);history.pushState=(...i)=>{n(...i),t()},window.addEventListener("popstate",()=>t(500))}const Ne="sirsoft-pay_kginicis",Re="__kginicisVbankInfoInjectorInstalled",H="kginicis-mp-vbank-info",hn=/^\/shop\/orders\/([^/]+)\/complete$/,gn=/^\/mypage\/orders\/([^/]+)$/,_n=/\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}[+\-]\d{2}:\d{2}/,wn={"03":"기업은행","04":"국민은행","05":"외환은행","07":"수협중앙회",11:"농협중앙회",20:"우리은행",23:"SC 제일은행",31:"대구은행",32:"부산은행",34:"광주은행",37:"전북은행",39:"경남은행",53:"한국씨티은행",71:"우체국",81:"하나은행",88:"신한은행",89:"케이뱅크",90:"카카오뱅크",92:"토스뱅크",D1:"동양종합금융증권",D2:"현대증권",D3:"미래에셋증권",D4:"한국투자증권",D5:"우리투자증권",D6:"하이투자증권",D7:"HMC 투자증권",D8:"SK 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null}}function Cn(){const e=document.getElementById("order_payment_info_panel");if(e)return Array.from(e.children).find(i=>i.className?.includes("space-y"))??e;const t=Array.from(document.querySelectorAll("h3")).find(i=>i.textContent?.includes("결제 정보"));if(!t)return null;const n=t.parentElement?.parentElement;return n?Array.from(n.children).find(i=>i.className?.includes("space-y"))??n:null}function h(e,t,n=!1){const i=document.createElement("div");i.className="flex items-center justify-between";const r=document.createElement("span");r.className="text-gray-500 dark:text-gray-400 text-sm",r.textContent=e;const o=document.createElement("span");return o.className=n?"text-sm font-medium text-blue-600 dark:text-blue-400":"text-sm text-gray-900 dark:text-gray-100",o.textContent=t,i.appendChild(r),i.appendChild(o),i}function En(e,t){const n=document.createElement("div");n.id=H,n.className="mt-3 pt-3 border-t border-gray-200 dark:border-gray-700 space-y-2";const 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t.dataset.kginicisBrandPaymentMark="true",t.dataset.kginicisBrandPaymentMethod=e.id,e.id==="kginicis_naverpay"&&(t.dataset.kginicisNaverpayMark="true"),t.setAttribute("aria-hidden","true"),t.style.display="inline-flex",t.style.width="32px",t.style.height="32px",t.style.flex="0 0 32px",t.style.alignItems="center",t.style.justifyContent="center",t.innerHTML=e.markSvg,t}function li(e){return e.querySelector("svg")??e.querySelector('i[class*="fa-"], i[role="img"], i')}function di(e){return e.querySelector(".flex.items-center.gap-2, .flex.items-center.gap-3")??e.querySelector(".flex.items-center")}function ie(e=document){let t=!1;return e.querySelectorAll("button").forEach(n=>{const i=oi(n);if(!i)return;const r=N(i);if(n.title=r.title,n.dataset.kginicisBrandPaymentButton="true",n.dataset.kginicisBrandPaymentMethod=i.id,i.id==="kginicis_naverpay"&&(n.dataset.kginicisNaverpayBrandButton="true"),ai(n,i),si(n,i),n.querySelector('[data-kginicis-brand-payment-mark="true"], [data-kginicis-naverpay-mark="true"]'))return;const o=ci(i),a=li(n);if(a&&a.parentElement){a.replaceWith(o),t=!0;return}const s=di(n);s&&(s.prepend(o),t=!0)}),t}function ze(){T!==null&&(window.clearInterval(T),T=null)}function ui(){ze();let e=0;T=window.setInterval(()=>{e+=1,ie(),e>=50&&ze()},200)}async function fi(e){ei()&&await ri(e)&&(ie(),ui(),te===null&&(te=new MutationObserver(()=>{ie()}),te.observe(document.body,{childList:!0,subtree:!0,characterData:!0})))}function mi(e=fetch){typeof window>"u"||typeof document>"u"||Je()[Ue]!==!0&&(Je()[Ue]=!0,fi(e).then(()=>{Qn.info("checkout KG Inicis brand payment button patcher installed")}))}const pi="sirsoft-pay_kginicis",Ve="__kginicisAdminPaymentMethodBrandInjectorInstalled",Xe="__kginicisAdminPaymentMethodBrandSyncListenerAttached",yi=/^\/admin\/ecommerce\/settings\/?$/,Ze='[data-kginicis-admin-payment-brand-mark="true"]',hi=200,gi=120,_i=[{id:"kginicis_naverpay",labels:["네이버페이 (KG이니시스)","Naver Pay (KG Inicis)"],shortLabels:[],markLines:["N","Pay"],markClassName:"bg-green-500 text-white"},{id:"kginicis_samsung_pay",labels:["삼성페이 (KG이니시스)","Samsung Pay (KG Inicis)"],shortLabels:[],markLines:["S","Pay"],markClassName:"bg-blue-700 text-white"},{id:"kginicis_lpay",labels:["L.pay (KG이니시스)","L.pay (KG Inicis)"],shortLabels:[],markLines:["L","pay"],markClassName:"bg-red-600 text-white"},{id:"kginicis_kakaopay",labels:["카카오페이 (KG이니시스)","Kakao Pay (KG Inicis)"],shortLabels:[],markLines:["Kakao","Pay"],markClassName:"bg-yellow-400 text-gray-950"},{id:"kginicis_japan_paypay",labels:["PayPay (일본 KG이니시스)","PayPay (KG Inicis Japan)"],shortLabels:[],markLines:["Pay","Pay"],markClassName:"bg-red-600 text-white"},{id:"kginicis_japan_cvs",labels:["일본 편의점결제 (KG이니시스)","Japan Convenience Store (KG Inicis)"],shortLabels:[],markLines:["CVS","JP"],markClassName:"bg-blue-600 text-white"}];let Qe=null,R=null,re=!1;function wi(){return window}function oe(){if(!yi.test(window.location.pathname))return!1;const e=new URLSearchParams(window.location.search).get("tab");return e===null||e===""||e==="order_settings"}function bi(e){return e instanceof HTMLElement?e.className:""}function et(e){return(e??"").replace(/\u200B/g,"").replace(/\s+/g," ").trim()}function ki(e){const t=bi(e);return t.includes("excel-card")||t.includes("flex-center")&&t.includes("border")&&t.includes("gap-4")}function tt(e){return e.querySelector(".font-medium")}function Pi(e){const t=et(tt(e)?.textContent),n=et(e.textContent);return _i.find(i=>i.shortLabels.some(r=>t===r)||i.labels.some(r=>n.includes(r)))??null}function xi(e){return Array.from(e.querySelectorAll("div")).filter(ki)}function Ci(e){return Array.from(e.querySelectorAll("svg, [data-icon], i")).find(n=>!n.closest("[data-drag-handle]")&&!n.closest(Ze)&&!n.closest('.row-stack, .excel-card-body, button, select, [role="switch"]'))??null}function nt(e,t){e.dataset.kginicisAdminPaymentBrandMark="true",e.dataset.kginicisAdminPaymentMethod=t.id,e.setAttribute("aria-hidden","true"),e.className=`inline-flex items-center justify-center rounded-lg font-bold ${t.markClassName}`,e.style.width="32px",e.style.height="32px",e.style.flex="0 0 32px",e.style.flexDirection="column",e.style.lineHeight="1",e.style.fontSize="9px";const n=t.markLines.join("");e.textContent!==n&&(e.replaceChildren(),t.markLines.forEach(i=>{const r=document.createElement("span");r.style.lineHeight="1",r.textContent=i,e.appendChild(r)}))}function Ei(e){const t=document.createElement("span");return nt(t,e),t}function vi(e,t){const n=e.querySelector(Ze);if(n instanceof HTMLSpanElement)return e.dataset.kginicisAdminPaymentMethod=t.id,nt(n,t),!0;const i=Ei(t),r=Ci(e);if(r&&r.parentElement)return e.dataset.kginicisAdminPaymentMethod=t.id,r.replaceWith(i),!0;const o=tt(e);return o&&o.parentElement?(e.dataset.kginicisAdminPaymentMethod=t.id,o.parentElement.insertBefore(i,o),!0):!1}function ae(e=document){if(typeof window>"u"||typeof document>"u"||!oe())return!1;let t=!1;return xi(e).forEach(n=>{const i=Pi(n);i&&vi(n,i)&&(t=!0)}),t}function Si(){re||(re=!0,window.setTimeout(()=>{re=!1,ae()},0))}function se(){R!==null&&(window.clearInterval(R),R=null)}function ce(){if(!oe())return;se(),ae();let e=0;R=window.setInterval(()=>{e+=1,ae(),e>=gi&&se()},hi);const t=document.body;t[Xe]||(t[Xe]=!0,Qe=new MutationObserver(()=>Si()),Qe.observe(document.body,{childList:!0,subtree:!0,characterData:!0}))}function it(){if(oe()){ce();return}se()}function Ii(){if(typeof window>"u"||typeof document>"u")return;const e=wi();if(e[Ve])return;e[Ve]=!0,console.info(`[${pi}] admin payment method brand sync installed`),document.readyState==="loading"?document.addEventListener("DOMContentLoaded",()=>ce()):ce();const t=history.pushState.bind(history);history.pushState=(...n)=>{t(...n),window.setTimeout(()=>it(),200)},window.addEventListener("popstate",()=>window.setTimeout(()=>it(),200))}const k="sirsoft-pay_kginicis",le={info:(...e)=>console.info(`[${k}]`,...e),warn:(...e)=>console.warn(`[${k}]`,...e),error:(...e)=>console.error(`[${k}]`,...e)};function rt(){const e=window.G7Core;if(!e)return 0;const t=e.getActionDispatcher;if(typeof t!="function")return 0;const n=t();if(!n||typeof n.registerHandler!="function")return 0;let i=0;for(const[r,o]of Object.entries(ke)){const a=`${k}.${r}`;n.registerHandler(a,o,{category:"plugin",source:k}),i++}return i}function ot(){const e=()=>{const t=rt();if(t>0){le.info(`${t} handler(s) registered`);return}let n=0;const i=50,r=setInterval(()=>{n++;const o=rt();if(o>0){clearInterval(r),le.info(`${o} handler(s) registered (after ${n} retries)`);return}n>=i&&(clearInterval(r),le.warn("ActionDispatcher not available after timeout"))},100)};document.readyState==="loading"?document.addEventListener("DOMContentLoaded",e):e()}Ot(),Wn(),mi(),zt(),sn(),Ii(),yn(),Nn(),wt(),ot(),window.__SirsoftKginicis={identifier:k,handlers:Object.keys(ke),initPlugin:ot}})();
+//# sourceMappingURL=plugin.iife.js.map
diff --git a/plugins/_bundled/sirsoft-pay_kginicis/package-lock.json b/plugins/_bundled/sirsoft-pay_kginicis/package-lock.json
index 387684b2..45a4856d 100644
--- a/plugins/_bundled/sirsoft-pay_kginicis/package-lock.json
+++ b/plugins/_bundled/sirsoft-pay_kginicis/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "@g7/sirsoft-pay_kginicis",
-    "version": "1.0.0",
+    "version": "1.0.1",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@g7/sirsoft-pay_kginicis",
-            "version": "1.0.0",
+            "version": "1.0.1",
             "devDependencies": {
                 "jsdom": "^27.4.0",
                 "typescript": "^5.3.3",
diff --git a/plugins/_bundled/sirsoft-pay_kginicis/package.json b/plugins/_bundled/sirsoft-pay_kginicis/package.json
index 885bd9a3..709e482b 100644
--- a/plugins/_bundled/sirsoft-pay_kginicis/package.json
+++ b/plugins/_bundled/sirsoft-pay_kginicis/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@g7/sirsoft-pay_kginicis",
-    "version": "1.0.0",
+    "version": "1.0.1",
     "type": "module",
     "private": true,
     "scripts": {
diff --git a/plugins/_bundled/sirsoft-pay_kginicis/plugin.json b/plugins/_bundled/sirsoft-pay_kginicis/plugin.json
index 2c944009..b6cf8582 100644
--- a/plugins/_bundled/sirsoft-pay_kginicis/plugin.json
+++ b/plugins/_bundled/sirsoft-pay_kginicis/plugin.json
@@ -5,7 +5,7 @@
         "ko": "KG 이니시스",
         "en": "KG Inicis"
     },
-    "version": "1.0.0",
+    "version": "1.0.1",
     "license": "MIT",
     "github_url": "https://github.com/gnuboard/g7-plugin-sirsoft-pay_kginicis",
     "github_changelog_url": "https://github.com/gnuboard/g7-plugin-sirsoft-pay_kginicis/blob/main/CHANGELOG.md",
diff --git a/plugins/_bundled/sirsoft-pay_kginicis/resources/js/__tests__/orderResponseInterceptor.test.ts b/plugins/_bundled/sirsoft-pay_kginicis/resources/js/__tests__/orderResponseInterceptor.test.ts
index a999da36..8ddc53a4 100644
--- a/plugins/_bundled/sirsoft-pay_kginicis/resources/js/__tests__/orderResponseInterceptor.test.ts
+++ b/plugins/_bundled/sirsoft-pay_kginicis/resources/js/__tests__/orderResponseInterceptor.test.ts
@@ -1,127 +1,108 @@
 /**
- * 주문 응답 인터셉터 회귀 테스트
+ * 주문 생성 인터셉터 테스트 — 이슈 #475
  *
- * KG 결제창을 띄운 뒤 체크아웃 템플릿의 fallback navigate 가 현재 경로를 다시
- * 렌더링하면 배송지/주문자 입력 상태가 초기화된다. 인터셉터가 그 자기 경로
- * navigate 1회만 차단하는지 검증한다.
+ * 확장 결제수단이 1급 시민이 되면서 인터셉터의 우회가 전부 제거됐다:
+ *   - payment_method 가 'kginicis_*' 이면 'card' 로 위장 (서버 검증이 확장 ID 를 422 로 막음)
+ *   - 응답의 requires_pg_payment / redirect_url 변조 (navigate-to-self 강제)
+ *   - pg_payment_data 재구성
+ *   - navigate-to-self 로 인한 체크아웃 재렌더(입력값 소실)를 막는 navigate suppressor
+ *
+ * 위장이 서버로 하여금 간편결제 주문을 "PG 결제가 아닌 주문" 으로 오인하게 만들어
+ * (a) 결제 실패 시 관리자 알림 오발송 (b) 임시주문 삭제 → 재결제 불가 를 일으켰다.
+ *
+ * 이제 결제창 진입은 서버 응답의 pg_payment_handler 를 템플릿이 dispatch 하는 경로로
+ * 처리된다. 템플릿의 PG 분기는 navigate 를 하지 않으므로 suppressor 도 불필요하다.
+ * 원본 결제수단(예: 'kginicis_lpay')은 서버가 pg_payment_data.payment_method 로 내려준다.
+ *
+ * 본 테스트는 인터셉터가 fetch / 라우터를 일절 건드리지 않음(no-op)을 회귀 방지로 고정한다.
  */
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
-import { requestPaymentHandler } from '../handlers/requestPayment';
 import { installOrderResponseInterceptor } from '../orderResponseInterceptor';
 
-vi.mock('../handlers/requestPayment', () => ({
-    requestPaymentHandler: vi.fn().mockResolvedValue(undefined),
-}));
-
-interface MutatedOrderResponse {
-    data?: {
-        redirect_url?: string;
-        requires_pg_payment?: boolean;
-    };
-}
+const ORDER_CREATE_URL = '/api/modules/sirsoft-ecommerce/user/orders';
 
 function windowRecord(): Record<string, unknown> {
     return window as unknown as Record<string, unknown>;
 }
 
-function installTemplateRouter(navigate: ReturnType<typeof vi.fn>): { navigate: (path: string, options?: unknown) => unknown } {
-    const router = { navigate };
-    windowRecord()['__templateApp'] = { getRouter: () => router };
-    return router;
-}
-
-function mockOrderCreateFetch(): ReturnType<typeof vi.fn> {
-    const responseBody = {
-        success: true,
-        data: {
-            order: { order_number: 'ORD-001' },
-            redirect_url: '/shop/orders/ORD-001/complete',
-            requires_pg_payment: true,
-            pg_provider: 'sirsoft-kginicis',
-            pg_payment_data: {
-                order_number: 'ORD-001',
-                order_name: '테스트 주문',
-                amount: 10000,
-            },
-        },
-    };
-
-    const fetchSpy = vi.fn().mockResolvedValue(
-        new Response(JSON.stringify(responseBody), {
-            status: 200,
-            headers: { 'Content-Type': 'application/json' },
-        }),
-    );
-
-    window.fetch = fetchSpy as unknown as typeof fetch;
-    return fetchSpy;
-}
-
-async function createOrder(): Promise<MutatedOrderResponse> {
-    const response = await window.fetch('/api/modules/sirsoft-ecommerce/user/orders', {
-        method: 'POST',
-        body: JSON.stringify({ payment_method: 'card' }),
-    });
-
-    return (await response.json()) as MutatedOrderResponse;
-}
-
 describe('installOrderResponseInterceptor', () => {
     beforeEach(() => {
-        window.history.pushState({}, '', '/shop/checkout');
-        vi.mocked(requestPaymentHandler).mockClear();
+        window.history.replaceState({}, '', '/shop/checkout');
         vi.spyOn(console, 'info').mockImplementation(() => {});
     });
 
     afterEach(() => {
         const w = windowRecord();
-        const suppressor = w['__sirsoftKginicisNavigateSuppressor'] as { restore?: () => void } | undefined;
-        suppressor?.restore?.();
-
-        delete w['__sirsoftKginicisInterceptorInstalled'];
-        delete w['__sirsoftPgOriginalFetch'];
-        delete w['__sirsoftKginicisNavigateSuppressor'];
         delete w['__templateApp'];
-        document.body.innerHTML = '';
         vi.restoreAllMocks();
     });
 
-    it('KG 주문 생성 응답 후 체크아웃 자기 경로 navigate 1회를 차단한다', async () => {
-        const originalNavigate = vi.fn();
-        const router = installTemplateRouter(originalNavigate);
-        mockOrderCreateFetch();
+    it('window.fetch 를 래핑하지 않는다 (no-op)', () => {
+        const originalFetch = vi.fn();
+        window.fetch = originalFetch as unknown as typeof fetch;
+
         installOrderResponseInterceptor();
 
-        const body = await createOrder();
-
-        expect(requestPaymentHandler).toHaveBeenCalledWith({
-            params: {
-                pgPaymentData: expect.objectContaining({ order_number: 'ORD-001' }),
-                paymentMethod: 'card',
-            },
-        });
-        expect(body.data?.requires_pg_payment).toBe(false);
-        expect(body.data?.redirect_url).toBe('/shop/checkout');
-
-        router.navigate(body.data?.redirect_url ?? '');
-
-        expect(originalNavigate).not.toHaveBeenCalled();
-
-        router.navigate('/shop/orders/ORD-001/complete');
-
-        expect(originalNavigate).toHaveBeenCalledWith('/shop/orders/ORD-001/complete');
+        expect(window.fetch).toBe(originalFetch);
     });
 
-    it('현재 체크아웃 경로가 아닌 navigate 는 차단하지 않는다', async () => {
-        const originalNavigate = vi.fn();
-        const router = installTemplateRouter(originalNavigate);
-        mockOrderCreateFetch();
+    it('간편결제 payment_method 를 card 로 위장하지 않고 원본 그대로 전송한다', async () => {
+        let sentBody = '';
+        window.fetch = vi.fn().mockImplementation(async (_input: unknown, init?: RequestInit) => {
+            sentBody = String(init?.body ?? '');
+            return new Response('{}', { status: 200 });
+        }) as unknown as typeof fetch;
+
         installOrderResponseInterceptor();
 
-        await createOrder();
+        await window.fetch(ORDER_CREATE_URL, {
+            method: 'POST',
+            body: JSON.stringify({ payment_method: 'kginicis_lpay' }),
+        });
 
-        router.navigate('/shop/cart', { replace: true });
+        // 위장이 부활하면 서버가 PG 결제 주문으로 인식하지 못해 #475 가 재발한다.
+        expect(JSON.parse(sentBody).payment_method).toBe('kginicis_lpay');
+    });
 
-        expect(originalNavigate).toHaveBeenCalledWith('/shop/cart', { replace: true });
+    it('주문 생성 응답을 변조하지 않는다', async () => {
+        const serverBody = {
+            success: true,
+            data: {
+                order: { order_number: 'ORD-1' },
+                redirect_url: '/shop/orders/ORD-1/complete',
+                requires_pg_payment: true,
+                pg_provider: 'sirsoft-kginicis',
+                pg_payment_handler: 'sirsoft-pay_kginicis.requestPayment',
+            },
+        };
+        window.fetch = vi.fn().mockResolvedValue(
+            new Response(JSON.stringify(serverBody), {
+                status: 200,
+                headers: { 'Content-Type': 'application/json' },
+            })
+        ) as unknown as typeof fetch;
+
+        installOrderResponseInterceptor();
+
+        const response = await window.fetch(ORDER_CREATE_URL, { method: 'POST', body: '{}' });
+        const body = await response.json();
+
+        expect(body.data.requires_pg_payment).toBe(true);
+        expect(body.data.redirect_url).toBe('/shop/orders/ORD-1/complete');
+        expect(body.data.pg_payment_handler).toBe('sirsoft-pay_kginicis.requestPayment');
+    });
+
+    it('라우터의 navigate 를 가로채지 않는다 (suppressor 제거)', () => {
+        const navigate = vi.fn();
+        windowRecord()['__templateApp'] = {
+            getRouter: () => ({ navigate }),
+        };
+
+        installOrderResponseInterceptor();
+
+        const router = (windowRecord()['__templateApp'] as { getRouter: () => { navigate: unknown } }).getRouter();
+
+        // suppressor 가 부활하면 navigate 가 패치된 함수로 교체된다.
+        expect(router.navigate).toBe(navigate);
     });
 });
diff --git a/plugins/_bundled/sirsoft-pay_kginicis/resources/js/handlers/requestPayment.ts b/plugins/_bundled/sirsoft-pay_kginicis/resources/js/handlers/requestPayment.ts
index 650a7401..26c3db5a 100644
--- a/plugins/_bundled/sirsoft-pay_kginicis/resources/js/handlers/requestPayment.ts
+++ b/plugins/_bundled/sirsoft-pay_kginicis/resources/js/handlers/requestPayment.ts
@@ -16,6 +16,12 @@ interface PgPaymentData {
     order_name: string;
     amount: number;
     currency?: string;
+    /**
+     * 서버가 저장한 결제수단 ID — 확장 수단이면 확장 ID 그대로(예: 'kginicis_lpay').
+     * 이 값이 gopaymethod / CBT paymethod 매핑의 입력이 된다. 확장 결제수단이 1급 시민이
+     * 되면서 서버가 원본 수단을 알고 내려주므로, 프론트 인터셉터가 따로 전달할 필요가 없다(#475).
+     */
+    payment_method?: string;
     customer_name?: string;
     customer_email?: string;
     customer_phone?: string;
@@ -616,7 +622,11 @@ export async function requestPaymentHandler(action: any, _context?: any): Promis
     }
 
     const localState = window.__templateApp?.globalState?._local;
-    const paymentMethod = paramPaymentMethod ?? localState?.paymentMethod ?? 'card';
+    // 서버가 저장한 결제수단(payment_method)이 SSoT — 확장 수단이면 확장 ID 가 그대로 온다(#475).
+    const paymentMethod = paramPaymentMethod
+        ?? pgPaymentData.payment_method
+        ?? localState?.paymentMethod
+        ?? 'card';
 
     const G7Core = (window as any).G7Core;
 
diff --git a/plugins/_bundled/sirsoft-pay_kginicis/resources/js/orderResponseInterceptor.ts b/plugins/_bundled/sirsoft-pay_kginicis/resources/js/orderResponseInterceptor.ts
index eaae91b4..75c700c7 100644
--- a/plugins/_bundled/sirsoft-pay_kginicis/resources/js/orderResponseInterceptor.ts
+++ b/plugins/_bundled/sirsoft-pay_kginicis/resources/js/orderResponseInterceptor.ts
@@ -1,348 +1,46 @@
 /**
- * 주문 생성 API 응답 인터셉터
+ * 주문 생성 응답 인터셉터 — 제거됨 (no-op)
  *
- * 체크아웃 템플릿(_checkout_summary.json)에는 'sirsoft-tosspayments' 분기만
- * 정의되어 있어서, 'sirsoft-kginicis' PG는 navigate 기본 분기로 떨어져
- * /shop/orders/{order_number}/complete 로 이동해버림 (결제창 미노출).
+ * 과거에는 이 인터셉터가 다음 우회를 수행했다:
  *
- * 코어/템플릿 수정 없이 이 문제를 우회하기 위해 plugin loading 시점에
- * window.fetch 를 래핑해 다음을 수행:
+ *   1. 요청 body 의 `payment_method` 가 'kginicis_*' 이면 'card' 로 위장
+ *      (서버 검증이 확장 ID 를 422 로 막았기 때문)
+ *   2. 응답의 `requires_pg_payment` 를 false 로, `redirect_url` 을 self 로 변조해
+ *      템플릿 navigate 를 무력화하고 결제창을 직접 띄움
+ *   3. `pg_payment_data` 를 order 응답에서 직접 재구성
+ *   4. navigate-to-self 로 인한 체크아웃 재렌더(입력값 소실)를 막기 위해
+ *      라우터의 navigate 를 1회 가로채는 suppressor 설치
  *
- *   1. POST /api/modules/sirsoft-ecommerce/user/orders 응답을 가로챈다
- *   2. data.pg_provider === 'sirsoft-kginicis' 이면 requestPayment 핸들러를 직접 호출하여 결제창 띄움
- *   3. data.redirect_url 을 현재 URL로 교체하고 requires_pg_payment를 false로 변경
- *   4. 템플릿 fallback 분기의 navigate-to-self 1회를 차단해 체크아웃 입력 상태 보존
+ * 이 우회는 두 개의 심각한 결함을 낳았다 — 서버가 간편결제 주문을 "PG 결제가 아닌 주문"
+ * 으로 오인해 (a) 결제 실패했는데 관리자에게 신규주문 알림이 발송되고 (b) 임시주문이
+ * 즉시 삭제되어 재결제가 불가능해졌다.
  *
- * 결과: 체크아웃 페이지에 머문 채 PG 팝업이 뜨고, PG 콜백이 정식 complete 페이지로 redirect.
+ * 이제 코어가 확장 결제수단을 1급 시민으로 처리한다:
+ *   - 서버 검증이 결제수단 카탈로그를 화이트리스트로 사용 (확장 ID 통과)
+ *   - 플러그인이 `pg_provider` 를 자기 PG 로 고정 선언 → PG 결제 주문으로 정상 판정
+ *   - provider 가 선언한 `payment_handler` 가 응답의 `pg_payment_handler` 로 내려가고,
+ *     템플릿이 그 핸들러를 직접 dispatch 한다 (navigate 분기 자체가 실행되지 않음)
+ *   - 원본 결제수단(예: 'kginicis_lpay')은 서버가 `pg_payment_data.payment_method` 로
+ *     내려주므로 gopaymethod / CBT paymethod 매핑이 그대로 동작한다
+ *
+ * 템플릿이 PG 분기에서 navigate 를 하지 않으므로 navigate suppressor 도 불필요하다.
+ *
+ * 파일과 export 는 호출부(index.ts) 호환을 위해 유지하되 동작은 no-op 이다.
+ *
+ * @see https://github.com/gnuboard/dev-g7/issues/475
  */
 
-import { requestPaymentHandler } from './handlers/requestPayment';
-
-const ORDER_CREATE_PATH = '/api/modules/sirsoft-ecommerce/user/orders';
-const TARGET_PG_PROVIDER = 'sirsoft-kginicis';
 const PLUGIN_IDENTIFIER = 'sirsoft-pay_kginicis';
-const NAVIGATE_SUPPRESSOR_KEY = '__sirsoftKginicisNavigateSuppressor';
 
 const logger = {
     info: (...args: unknown[]) => console.info(`[${PLUGIN_IDENTIFIER}]`, ...args),
-    warn: (...args: unknown[]) => console.warn(`[${PLUGIN_IDENTIFIER}]`, ...args),
-    error: (...args: unknown[]) => console.error(`[${PLUGIN_IDENTIFIER}]`, ...args),
 };
 
-interface OrderCreateResponseBody {
-    success?: boolean;
-    message?: string;
-    data?: {
-        order?: { order_number?: string };
-        redirect_url?: string;
-        requires_pg_payment?: boolean;
-        pg_provider?: string;
-        pg_payment_data?: Record<string, unknown>;
-    };
-}
-
-interface RouterLike {
-    navigate: (path: string, options?: unknown) => unknown;
-}
-
-interface NavigateSuppressorState {
-    restore: () => void;
-    timer: number;
-}
-
-function extractPaymentMethodFromBody(body: string): string | undefined {
-    try {
-        const parsed = JSON.parse(body) as Record<string, unknown>;
-        return parsed['payment_method'] as string | undefined;
-    } catch {
-        return undefined;
-    }
-}
-
 /**
- * KG 이니시스 전용 결제수단 선택 시 _local.paymentMethod 가
- * 'kginicis_lpay', 'kginicis_japan_paypay' 등의 PG 식별자로 설정된다. 그러나 코어 PaymentMethodEnum 은
- * card/vbank/bank/phone 등 일반 결제수단만 허용하므로 백엔드 validation 에서
- * 'kginicis_*' 가 거부된다.
+ * 주문 생성 인터셉터 — 더 이상 fetch 를 래핑하지 않는다.
  *
- * 본 헬퍼는 요청 body 의 payment_method 가 'kginicis_*' 형태이면 'card' 로
- * 치환한 새 body 를 반환한다 — UI/local state 는 PG 식별자를 그대로 유지해
- * requestPayment 핸들러의 gopaymethod/CBT paymethod 매핑이 정상 동작한다.
- *
- * gnuboard5 shop/inicis/lpay_form.1.php 의 P_INI_PAYMENT/gopaymethod 패턴과
- * 동일한 의미: '결제수단 = 신용카드, 간편결제 변종 = gopaymethod=LPAY'.
+ * 결제창 진입은 코어 응답의 `pg_payment_handler` 를 템플릿이 dispatch 하는 경로로 처리된다.
  */
-function rewriteEasyPayInBody(body: string): { rewritten: string; originalMethod: string | undefined } {
-    try {
-        const parsed = JSON.parse(body) as Record<string, unknown>;
-        const pm = parsed['payment_method'];
-        if (typeof pm === 'string' && pm.startsWith('kginicis_')) {
-            const original = pm;
-            parsed['payment_method'] = 'card';
-            return { rewritten: JSON.stringify(parsed), originalMethod: original };
-        }
-        return { rewritten: body, originalMethod: typeof pm === 'string' ? pm : undefined };
-    } catch {
-        return { rewritten: body, originalMethod: undefined };
-    }
-}
-
-function extractUrl(input: RequestInfo | URL): string {
-    if (typeof input === 'string') return input;
-    if (input instanceof URL) return input.toString();
-    if (typeof Request !== 'undefined' && input instanceof Request) return input.url;
-    return String(input);
-}
-
-function extractMethod(input: RequestInfo | URL, init?: RequestInit): string {
-    if (init?.method) return init.method.toUpperCase();
-    if (typeof Request !== 'undefined' && input instanceof Request) return input.method.toUpperCase();
-    return 'GET';
-}
-
-function isTargetEndpoint(url: string, method: string): boolean {
-    if (method !== 'POST') return false;
-    // 쿼리스트링/해시 제거 후 경로만 비교
-    const path = url.split('?')[0].split('#')[0];
-    return path === ORDER_CREATE_PATH || path.endsWith(ORDER_CREATE_PATH);
-}
-
-function buildNoOpRedirectUrl(): string {
-    return window.location.pathname + window.location.search + window.location.hash;
-}
-
-function normalizePath(path: string): string {
-    try {
-        const url = new URL(path, window.location.origin);
-        return url.pathname + url.search + url.hash;
-    } catch {
-        return path;
-    }
-}
-
-/**
- * 체크아웃 템플릿은 KG 결제창을 띄운 뒤에도 fallback navigate 를 실행한다.
- * 현재 라우터는 같은 경로로 이동해도 route 를 다시 렌더링하므로 shipping/orderer
- * local state 가 초기화될 수 있다. 코어/템플릿을 건드리지 않고 이 플러그인에서
- * 현재 경로로 향하는 다음 navigate 1회만 소모한다.
- */
-function suppressNextSamePathNavigate(targetPath: string): void {
-    const w = window as unknown as Record<string, unknown>;
-    const templateApp = w['__templateApp'] as { getRouter?: () => unknown } | undefined;
-    const router = templateApp?.getRouter?.() as RouterLike | undefined;
-
-    if (!router || typeof router.navigate !== 'function') {
-        return;
-    }
-
-    const existing = w[NAVIGATE_SUPPRESSOR_KEY] as NavigateSuppressorState | undefined;
-    existing?.restore();
-
-    const originalNavigate = router.navigate.bind(router);
-    const normalizedTarget = normalizePath(targetPath);
-    let restored = false;
-    let consumed = false;
-    let timer = 0;
-
-    const restore = (): void => {
-        if (restored) {
-            return;
-        }
-
-        restored = true;
-        if (router.navigate === patchedNavigate) {
-            router.navigate = originalNavigate;
-        }
-        window.clearTimeout(timer);
-
-        const current = w[NAVIGATE_SUPPRESSOR_KEY] as NavigateSuppressorState | undefined;
-        if (current?.restore === restore) {
-            delete w[NAVIGATE_SUPPRESSOR_KEY];
-        }
-    };
-
-    const patchedNavigate: RouterLike['navigate'] = (path, options) => {
-        const normalizedPath = normalizePath(path);
-
-        if (!consumed && normalizedPath === normalizedTarget) {
-            consumed = true;
-            logger.info('suppressed checkout self-navigation after PG popup', { path: normalizedPath });
-            restore();
-            return;
-        }
-
-        restore();
-        return originalNavigate(path, options);
-    };
-
-    timer = window.setTimeout(restore, 3000);
-    router.navigate = patchedNavigate;
-    w[NAVIGATE_SUPPRESSOR_KEY] = { restore, timer };
-}
-
-/**
- * 응답 본문을 mutate한 새 Response 객체 생성
- *
- * 원본 Response 의 status/headers 는 보존하고 본문만 재구성.
- */
-function mutateResponse(originalResponse: Response, mutatedBody: OrderCreateResponseBody): Response {
-    const json = JSON.stringify(mutatedBody);
-    return new Response(json, {
-        status: originalResponse.status,
-        statusText: originalResponse.statusText,
-        headers: originalResponse.headers,
-    });
-}
-
 export function installOrderResponseInterceptor(): void {
-    if (typeof window === 'undefined' || typeof window.fetch !== 'function') {
-        return;
-    }
-
-    // 중복 설치 방지 — HMR / 다중 IIFE 로드 시
-    const flag = '__sirsoftKginicisInterceptorInstalled' as const;
-    const w = window as unknown as Record<string, unknown>;
-    if (w[flag]) {
-        return;
-    }
-    w[flag] = true;
-
-    // 최초 설치 플러그인이 원본 브라우저 fetch를 보존 (다른 PG 인터셉터가 쌓이기 전)
-    const ORIGINAL_FETCH_KEY = '__sirsoftPgOriginalFetch';
-    if (!w[ORIGINAL_FETCH_KEY]) {
-        w[ORIGINAL_FETCH_KEY] = window.fetch.bind(window);
-    }
-
-    const originalFetch = window.fetch.bind(window);
-
-    window.fetch = async function patchedFetch(
-        input: RequestInfo | URL,
-        init?: RequestInit
-    ): Promise<Response> {
-        const url = extractUrl(input);
-        const method = extractMethod(input, init);
-
-        if (!isTargetEndpoint(url, method)) {
-            return originalFetch(input, init);
-        }
-
-        // 요청 body에서 payment_method 추출 (vbank, bank, phone 등 비카드 결제수단 감지)
-        // 동시에 'kginicis_*' 간편결제 식별자는 'card' 로 치환하여 backend enum 검증을 통과시킨다.
-        let paymentMethod: string | undefined;
-        let mutatedInit: RequestInit | undefined = init;
-        if (init?.body && typeof init.body === 'string') {
-            const { rewritten, originalMethod } = rewriteEasyPayInBody(init.body);
-            paymentMethod = originalMethod;
-            if (rewritten !== init.body) {
-                logger.info('rewrote request payment_method', { from: originalMethod, to: 'card' });
-                mutatedInit = { ...init, body: rewritten };
-            }
-        }
-        // G7Core 로컬 상태 fallback
-        if (!paymentMethod) {
-            try {
-                // eslint-disable-next-line @typescript-eslint/no-explicit-any
-                paymentMethod = ((window as any).G7Core)?.state?.getLocal?.()?.paymentMethod as string | undefined;
-            } catch { /* ignore */ }
-        }
-
-        const response = await originalFetch(input, mutatedInit);
-
-        // 본문은 한 번만 읽을 수 있으므로 클론
-        let cloned: Response;
-        try {
-            cloned = response.clone();
-        } catch {
-            return response;
-        }
-
-        let body: OrderCreateResponseBody | null = null;
-        try {
-            body = (await cloned.json()) as OrderCreateResponseBody;
-        } catch {
-            // 비-JSON 응답이면 그대로 통과
-            return response;
-        }
-
-        const data = body?.data;
-        if (!data) return response;
-
-        // 'kginicis_*' 결제수단 선택 시 기본 PG 가 다른 PG
-        // 라도 KG 이니시스 결제창을 강제로 열어야 한다. 이때 backend 가 requires_pg_payment
-        // 를 false 로 응답하거나 pg_provider 를 다른 PG 로 응답해도 KG 흐름으로 강제.
-        const isKginicisEasyPay = typeof paymentMethod === 'string' && paymentMethod.startsWith('kginicis_');
-
-        const requiresPg = data.requires_pg_payment === true;
-        const isKginicis = data.pg_provider === TARGET_PG_PROVIDER;
-
-        // 일반 결제: requires_pg_payment 가 true + pg_provider 가 KG 이니시스 → 처리
-        // 간편결제(kginicis_*): pg_provider / requires_pg_payment 무관 → 강제 처리
-        if (!isKginicisEasyPay && (!requiresPg || !isKginicis)) {
-            return response;
-        }
-
-        // pg_payment_data: backend 응답에 포함되거나, 간편결제 + 기본 PG 미설정/다른 PG 시
-        // order 데이터에서 직접 구성 (NicePay 의 동일 패턴 차용)
-        let pgPaymentData = data.pg_payment_data as Record<string, unknown> | undefined;
-        if (!pgPaymentData && isKginicisEasyPay) {
-            const orderData = (data as unknown as { order?: Record<string, unknown> }).order;
-            if (orderData) {
-                const options = orderData.options as Array<Record<string, unknown>> | undefined;
-                const firstName = (options?.[0]?.product_name as string | undefined) ?? String(orderData.order_number ?? '');
-                const orderName = (options?.length ?? 0) > 1
-                    ? `${firstName} 외 ${(options?.length ?? 0) - 1}건`
-                    : firstName;
-                pgPaymentData = {
-                    order_number: orderData.order_number,
-                    order_name: orderName,
-                    amount: Math.floor(Number(orderData.total_amount ?? 0)),
-                    currency: String(
-                        orderData.currency
-                            ?? orderData.currency_code
-                            ?? (paymentMethod?.startsWith('kginicis_japan_') ? 'JPY' : 'KRW')
-                    ),
-                    customer_name: orderData.orderer_name ?? null,
-                    customer_email: orderData.orderer_email ?? null,
-                    customer_phone: String(orderData.orderer_phone ?? '').replace(/[^0-9]/g, ''),
-                };
-                logger.info('pg_payment_data constructed from order (기본 PG 미설정 또는 다른 PG)', {
-                    order_number: pgPaymentData.order_number,
-                    amount: pgPaymentData.amount,
-                });
-            }
-        }
-
-        if (!pgPaymentData) {
-            logger.warn('kginicis order detected but pg_payment_data missing');
-            return response;
-        }
-
-        logger.info('intercepted order create response — opening PG popup');
-
-        // 1) 결제창 호출 (비동기 — 팝업이 뜨도록 fire-and-forget)
-        //    실패 시 requestPaymentHandler 내부에서 isSubmittingOrder=false 처리됨
-        void requestPaymentHandler({
-            // eslint-disable-next-line @typescript-eslint/no-explicit-any
-            params: { pgPaymentData: pgPaymentData as any, paymentMethod },
-        });
-
-        // 2) 응답 mutate — 템플릿의 navigate fallback 을 무력화
-        //    - requires_pg_payment: false  (혹시 다른 곳에서 참조해도 안전)
-        //    - redirect_url: 현재 URL       (다음 navigate-to-self 1회는 플러그인에서 차단)
-        const redirectUrl = buildNoOpRedirectUrl();
-        suppressNextSamePathNavigate(redirectUrl);
-
-        const mutatedBody: OrderCreateResponseBody = {
-            ...body,
-            data: {
-                ...data,
-                requires_pg_payment: false,
-                redirect_url: redirectUrl,
-            },
-        };
-
-        return mutateResponse(response, mutatedBody);
-    };
-
-    logger.info('order response interceptor installed');
+    logger.info('order interceptor is a no-op — payment entry is dispatched via pg_payment_handler');
 }
diff --git a/plugins/_bundled/sirsoft-pay_kginicis/src/Listeners/AdjustEcommercePaymentMethodsLayoutListener.php b/plugins/_bundled/sirsoft-pay_kginicis/src/Listeners/AdjustEcommercePaymentMethodsLayoutListener.php
index 60b8cc9a..d615b7fd 100644
--- a/plugins/_bundled/sirsoft-pay_kginicis/src/Listeners/AdjustEcommercePaymentMethodsLayoutListener.php
+++ b/plugins/_bundled/sirsoft-pay_kginicis/src/Listeners/AdjustEcommercePaymentMethodsLayoutListener.php
@@ -7,7 +7,10 @@ namespace Plugins\Sirsoft\PayKginicis\Listeners;
 use App\Contracts\Extension\HookListenerInterface;
 
 /**
- * 이커머스 결제수단 설정 화면에서 KG 이니시스 간편결제를 PG 선택 불필요 항목으로 표시한다.
+ * 이커머스 결제수단 설정 화면에 KG 이니시스 테스트모드 경고를 주입한다.
+ *
+ * 간편결제의 PG 표시(PG 고정 배지)는 코어 레이아웃이 결제수단 카탈로그의 pg_locked /
+ * needs_pg 를 읽어 직접 처리하므로 이 리스너가 관여하지 않는다(#475).
  */
 class AdjustEcommercePaymentMethodsLayoutListener implements HookListenerInterface
 {
@@ -24,10 +27,6 @@ class AdjustEcommercePaymentMethodsLayoutListener implements HookListenerInterfa
 
     private const TEST_MODE_CONDITION = 'kginicis_test_mode_status.data?.is_test_mode === true';
 
-    private const CORE_NO_PG_METHODS = "['point','deposit','free','dbank']";
-
-    private const KGINICIS_NO_PG_METHODS = "['point','deposit','free','dbank','kginicis_samsung_pay','kginicis_naverpay','kginicis_lpay','kginicis_kakaopay','kginicis_japan_paypay','kginicis_japan_cvs']";
-
     /**
      * 이 리스너가 구독하는 훅 정의를 반환합니다.
      *
@@ -37,7 +36,7 @@ class AdjustEcommercePaymentMethodsLayoutListener implements HookListenerInterfa
     {
         return [
             'core.layout_extension.after_apply' => [
-                'method' => 'markEasyPayMethodsAsPgNotRequired',
+                'method' => 'adjustPaymentMethodsLayout',
                 'type' => 'filter',
                 'priority' => 20,
             ],
@@ -52,50 +51,30 @@ class AdjustEcommercePaymentMethodsLayoutListener implements HookListenerInterfa
     public function handle(...$args): void {}
 
     /**
-     * 이커머스 결제수단 설정 레이아웃에 KG 이니시스 간편결제를 PG 선택 불필요 항목으로 반영합니다.
+     * 이커머스 결제수단 설정 레이아웃에 테스트모드 경고를 주입합니다.
+     *
+     * 과거에는 코어 레이아웃의 "PG 불필요 결제수단" 하드코딩 배열
+     * (`['point','deposit','free','dbank']`)을 문자열 치환해 간편결제를 그 목록에 끼워 넣어
+     * PG 선택 셀렉트를 숨겼다. 그러나 간편결제는 "PG 불필요" 가 아니라 "PG 고정" 이며,
+     * 이 표시 왜곡은 실제로 서버가 간편결제를 PG 없는 주문으로 오인하던 결함과 짝을 이뤘다(#475).
+     *
+     * 이제 결제수단 카탈로그가 `pg_locked` / `needs_pg` 를 내려주고 코어 레이아웃이 그 값으로
+     * 직접 3분기(PG 고정 배지 / PG 선택 / PG 불필요)하므로 문자열 치환이 불필요하다.
+     * (플러그인 간 누적 치환 충돌 위험도 함께 사라진다.)
      *
      * @param  array<string, mixed>  $layout  대상 레이아웃 정의
      * @param  int  $templateId  레이아웃이 속한 템플릿 ID
      * @return array<string, mixed> 보정된 레이아웃 정의
      */
-    public function markEasyPayMethodsAsPgNotRequired(array $layout, int $templateId): array
+    public function adjustPaymentMethodsLayout(array $layout, int $templateId): array
     {
         if (($layout['layout_name'] ?? '') !== self::TARGET_LAYOUT) {
             return $layout;
         }
 
-        $layout = $this->replaceNoPgMethodExpressions($layout);
-
         return $this->ensureTestModeWarning($layout);
     }
 
-    /**
-     * 레이아웃 노드를 재귀 순회하며 코어의 PG 불필요 결제수단 목록을 이니시스 목록으로 치환합니다.
-     *
-     * @param  array<string, mixed>  $node  순회 대상 노드
-     * @return array<string, mixed> 치환이 반영된 노드
-     */
-    private function replaceNoPgMethodExpressions(array $node): array
-    {
-        foreach ($node as $key => $value) {
-            if (is_array($value)) {
-                $node[$key] = $this->replaceNoPgMethodExpressions($value);
-
-                continue;
-            }
-
-            if (is_string($value) && str_contains($value, self::CORE_NO_PG_METHODS)) {
-                $node[$key] = str_replace(
-                    self::CORE_NO_PG_METHODS,
-                    self::KGINICIS_NO_PG_METHODS,
-                    $value
-                );
-            }
-        }
-
-        return $node;
-    }
-
     /**
      * 테스트 모드 경고에 필요한 데이터 소스와 안내 노드를 레이아웃에 보장합니다.
      *
diff --git a/plugins/_bundled/sirsoft-pay_kginicis/src/Listeners/RegisterEasyPayMethodsListener.php b/plugins/_bundled/sirsoft-pay_kginicis/src/Listeners/RegisterEasyPayMethodsListener.php
index 4cab5fd9..5489b8c5 100644
--- a/plugins/_bundled/sirsoft-pay_kginicis/src/Listeners/RegisterEasyPayMethodsListener.php
+++ b/plugins/_bundled/sirsoft-pay_kginicis/src/Listeners/RegisterEasyPayMethodsListener.php
@@ -25,6 +25,11 @@ class RegisterEasyPayMethodsListener implements HookListenerInterface
 {
     private const PLUGIN_IDENTIFIER = 'sirsoft-pay_kginicis';
 
+    /**
+     * 이 플러그인이 제공하는 PG 식별자 (RegisterPgProviderListener 의 provider id 와 일치).
+     */
+    private const PG_PROVIDER_ID = 'kginicis';
+
     private const DOMESTIC_EASY_PAY_SETTINGS = [
         'kginicis_samsung_pay' => 'easy_pay_samsung_pay',
         'kginicis_naverpay' => 'easy_pay_naverpay',
@@ -59,7 +64,7 @@ class RegisterEasyPayMethodsListener implements HookListenerInterface
      * 이커머스 결제수단 목록에 KG 이니시스 전용 결제수단 inject.
      *
      * @param  array  $methods  builtin 결제수단 배열 (코어 EcommerceSettingsService::getBuiltinPaymentMethods)
-     * @return array  KG 이니시스 entry 가 phone~point 사이에 삽입된 배열
+     * @return array KG 이니시스 entry 가 phone~point 사이에 삽입된 배열
      */
     public function injectEasyPayMethods(array $methods): array
     {
@@ -153,8 +158,6 @@ class RegisterEasyPayMethodsListener implements HookListenerInterface
 
     /**
      * 간편결제 버튼에 브랜드 중심 설명을 사용할지 반환합니다.
-     *
-     * @return bool
      */
     private function usesBrandButton(): bool
     {
@@ -163,9 +166,6 @@ class RegisterEasyPayMethodsListener implements HookListenerInterface
 
     /**
      * 기존 플러그인 설정의 국내 간편결제 활성값을 읽습니다.
-     *
-     * @param  string  $id
-     * @return bool
      */
     private function domesticMethodEnabled(string $id): bool
     {
@@ -178,7 +178,6 @@ class RegisterEasyPayMethodsListener implements HookListenerInterface
      * KG 이니시스 플러그인 boolean 설정을 조회합니다.
      *
      * @param  string  $key  설정 키
-     * @return bool
      */
     private function settingEnabled(string $key): bool
     {
@@ -207,12 +206,17 @@ class RegisterEasyPayMethodsListener implements HookListenerInterface
             'icon' => $icon,
             'source' => 'plugin:sirsoft-pay_kginicis',
             'defaults' => [
-                // PG 선택 불필요 — orderResponseInterceptor 가 prefix 'kginicis_' 를 인식해
-                // 기본 PG 사 설정과 무관하게 KG 이니시스 결제 흐름으로 강제.
-                'pg_provider' => null,
+                // 간편결제는 KG 이니시스 결제창을 통해서만 처리되므로 PG 를 자기 자신으로 고정한다.
+                // null 로 두면 코어가 PG 없는 결제수단으로 오인해 결제 실패 주문에 관리자 알림이
+                // 발송되고 임시주문이 삭제되어 재결제가 막힌다(#475).
+                'pg_provider' => self::PG_PROVIDER_ID,
+                'pg_locked' => true,
+                'needs_pg' => true,
+                'refund_method' => 'pg',
                 'is_active' => $isActive,
                 'min_order_amount' => 0,
                 'stock_deduction_timing' => 'payment_complete',
+                'mileage_deduction_timing' => 'payment_complete',
             ],
         ];
     }
diff --git a/plugins/_bundled/sirsoft-pay_kginicis/src/Listeners/RegisterPgProviderListener.php b/plugins/_bundled/sirsoft-pay_kginicis/src/Listeners/RegisterPgProviderListener.php
index 2c00ee75..6244c1f4 100644
--- a/plugins/_bundled/sirsoft-pay_kginicis/src/Listeners/RegisterPgProviderListener.php
+++ b/plugins/_bundled/sirsoft-pay_kginicis/src/Listeners/RegisterPgProviderListener.php
@@ -26,16 +26,11 @@ class RegisterPgProviderListener implements HookListenerInterface
         'kginicis_kakaopay' => 'easy_pay_kakaopay',
     ];
 
-/**
-
- * getSubscribedHooks
-
- *
-
- * @return array
-
- */
-
+    /**
+     * 이 리스너가 구독하는 훅 정의를 반환합니다.
+     *
+     * @return array 훅 이름 => 구독 설정
+     */
     public static function getSubscribedHooks(): array
     {
         return [
@@ -73,25 +68,22 @@ class RegisterPgProviderListener implements HookListenerInterface
             'name' => localized_label(nameKey: 'sirsoft-pay_kginicis::provider.name'),
             'icon' => 'credit-card',
             'supported_methods' => ['card', 'bank_transfer', 'virtual_account', 'mobile'],
+            // 코어의 provider-agnostic 결제 진입 dispatch — 주문 응답의 pg_payment_handler 로
+            // 내려가 템플릿이 그대로 호출한다. 미선언 시 프론트가 응답을 변조해 결제창을
+            // 직접 띄우는 우회가 필요해진다(#475).
+            'payment_handler' => 'sirsoft-pay_kginicis.requestPayment',
         ];
 
         return $providers;
     }
 
-/**
-
- * getClientConfig
-
- *
-
- * @param  array  $config
-
- * @param  string  $provider
-
- * @return array
-
- */
-
+    /**
+     * KG 이니시스 결제창 진입에 필요한 클라이언트 설정을 반환합니다.
+     *
+     * @param  array  $config  기존 클라이언트 설정
+     * @param  string  $provider  요청된 PG provider id
+     * @return array KG 이니시스 설정이 병합된 클라이언트 설정 (다른 PG 면 원본 그대로)
+     */
     public function getClientConfig(array $config, string $provider): array
     {
         if ($provider !== 'kginicis') {
@@ -111,32 +103,32 @@ class RegisterPgProviderListener implements HookListenerInterface
                 ? 'https://stgstdpay.inicis.com/stdjs/INIStdPay.js'
                 : 'https://stdpay.inicis.com/stdjs/INIStdPay.js',
             'callback_urls' => [
-                'signature'           => '/plugins/sirsoft-pay_kginicis/payment/signature',
-                'close_report'        => '/plugins/sirsoft-pay_kginicis/payment/close-report',
-                'callback'            => '/plugins/sirsoft-pay_kginicis/payment/callback',
-                'close'               => '/plugins/sirsoft-pay_kginicis/payment/close',
-                'cbt_checkout_token'  => '/plugins/sirsoft-pay_kginicis/payment/cbt/checkout-token',
-                'cbt_hash_data'       => '/plugins/sirsoft-pay_kginicis/payment/cbt/hash-data',
-                'cbt_callback'        => '/plugins/sirsoft-pay_kginicis/payment/cbt/callback',
-                'cbt_cvs_notify'      => '/plugins/sirsoft-pay_kginicis/payment/cbt/cvs-notify',
-                'cbt_auth_url'        => $isTest ? self::CBT_AUTH_URL_TEST : self::CBT_AUTH_URL_LIVE,
-                'mobile_signature'    => '/plugins/sirsoft-pay_kginicis/payment/mobile/signature',
-                'mobile_callback'     => '/plugins/sirsoft-pay_kginicis/payment/mobile/callback',
+                'signature' => '/plugins/sirsoft-pay_kginicis/payment/signature',
+                'close_report' => '/plugins/sirsoft-pay_kginicis/payment/close-report',
+                'callback' => '/plugins/sirsoft-pay_kginicis/payment/callback',
+                'close' => '/plugins/sirsoft-pay_kginicis/payment/close',
+                'cbt_checkout_token' => '/plugins/sirsoft-pay_kginicis/payment/cbt/checkout-token',
+                'cbt_hash_data' => '/plugins/sirsoft-pay_kginicis/payment/cbt/hash-data',
+                'cbt_callback' => '/plugins/sirsoft-pay_kginicis/payment/cbt/callback',
+                'cbt_cvs_notify' => '/plugins/sirsoft-pay_kginicis/payment/cbt/cvs-notify',
+                'cbt_auth_url' => $isTest ? self::CBT_AUTH_URL_TEST : self::CBT_AUTH_URL_LIVE,
+                'mobile_signature' => '/plugins/sirsoft-pay_kginicis/payment/mobile/signature',
+                'mobile_callback' => '/plugins/sirsoft-pay_kginicis/payment/mobile/callback',
                 'mobile_vbank_notify' => '/plugins/sirsoft-pay_kginicis/payment/mobile/vbank-notify',
             ],
-            'japan_enabled'                      => $settings['japan_enabled'] ?? false,
+            'japan_enabled' => $settings['japan_enabled'] ?? false,
             'japan_restrict_jpy_payment_methods' => (bool) ($settings['japan_restrict_jpy_payment_methods'] ?? false),
-            'japan_configured'                   => $this->isJapanConfigured($settings, $isTest),
-            'standard_configured'                => $this->isStandardConfigured($settings, $isTest),
-            'mobile_configured'                  => $this->isMobileConfigured($settings, $isTest),
-            'use_escrow'                         => $settings['use_escrow'] ?? false,
-            'japan_mid'                          => $isTest
+            'japan_configured' => $this->isJapanConfigured($settings, $isTest),
+            'standard_configured' => $this->isStandardConfigured($settings, $isTest),
+            'mobile_configured' => $this->isMobileConfigured($settings, $isTest),
+            'use_escrow' => $settings['use_escrow'] ?? false,
+            'japan_mid' => $isTest
                 ? KgInicisApiService::JAPAN_TEST_MID
                 : ($settings['live_japan_mid'] ?? ''),
-            'cbt_extra_data'                     => $this->buildCbtExtraData($settings),
-            'use_credit_point'                   => (bool) ($settings['use_credit_point'] ?? false),
-            'easy_pay_show_brand_button'         => (bool) ($settings['easy_pay_show_brand_button'] ?? false),
-            'easy_pay_enabled_methods'           => $this->enabledDomesticEasyPayMethods($settings),
+            'cbt_extra_data' => $this->buildCbtExtraData($settings),
+            'use_credit_point' => (bool) ($settings['use_credit_point'] ?? false),
+            'easy_pay_show_brand_button' => (bool) ($settings['easy_pay_show_brand_button'] ?? false),
+            'easy_pay_enabled_methods' => $this->enabledDomesticEasyPayMethods($settings),
         ]);
     }
 
@@ -196,8 +188,6 @@ class RegisterPgProviderListener implements HookListenerInterface
      * 현재 모드의 표준결제 MID/signKey 준비 여부를 반환합니다.
      *
      * @param  array<string, mixed>  $settings
-     * @param  bool  $isTest
-     * @return bool
      */
     private function isStandardConfigured(array $settings, bool $isTest): bool
     {
@@ -214,8 +204,6 @@ class RegisterPgProviderListener implements HookListenerInterface
      * 현재 모드의 모바일결제 MID/hashKey 준비 여부를 반환합니다.
      *
      * @param  array<string, mixed>  $settings
-     * @param  bool  $isTest
-     * @return bool
      */
     private function isMobileConfigured(array $settings, bool $isTest): bool
     {
@@ -259,7 +247,7 @@ class RegisterPgProviderListener implements HookListenerInterface
             return '';
         }
 
-        return str_starts_with($suffix, self::LIVE_MID_PREFIX) ? $suffix : self::LIVE_MID_PREFIX . $suffix;
+        return str_starts_with($suffix, self::LIVE_MID_PREFIX) ? $suffix : self::LIVE_MID_PREFIX.$suffix;
     }
 
     private function getPluginSettings(): array
diff --git a/plugins/_bundled/sirsoft-pay_kginicis/tests/Unit/Listeners/AdjustEcommercePaymentMethodsLayoutListenerTest.php b/plugins/_bundled/sirsoft-pay_kginicis/tests/Unit/Listeners/AdjustEcommercePaymentMethodsLayoutListenerTest.php
index e295d388..f7450271 100644
--- a/plugins/_bundled/sirsoft-pay_kginicis/tests/Unit/Listeners/AdjustEcommercePaymentMethodsLayoutListenerTest.php
+++ b/plugins/_bundled/sirsoft-pay_kginicis/tests/Unit/Listeners/AdjustEcommercePaymentMethodsLayoutListenerTest.php
@@ -7,6 +7,17 @@ namespace Plugins\Sirsoft\PayKginicis\Tests\Unit\Listeners;
 use PHPUnit\Framework\TestCase;
 use Plugins\Sirsoft\PayKginicis\Listeners\AdjustEcommercePaymentMethodsLayoutListener;
 
+/**
+ * 이커머스 결제수단 설정 레이아웃 보정 리스너 테스트 — 이슈 #475
+ *
+ * 과거에는 이 리스너가 코어 레이아웃의 "PG 불필요 결제수단" 하드코딩 배열을 문자열 치환해
+ * 간편결제를 그 목록에 끼워 넣었다(= 관리자 화면에 "PG 불필요" 로 표시). 그러나 간편결제는
+ * PG 가 불필요한 것이 아니라 특정 PG 에 고정된 수단이며, 이 표시 왜곡은 서버가 간편결제를
+ * PG 없는 주문으로 오인하던 결함과 짝을 이뤘다.
+ *
+ * 이제 결제수단 카탈로그가 pg_locked / needs_pg 를 내려주고 코어 레이아웃이 그 값으로 직접
+ * 분기하므로, 이 리스너의 책임은 테스트모드 경고 주입 하나만 남았다.
+ */
 class AdjustEcommercePaymentMethodsLayoutListenerTest extends TestCase
 {
     public function test_subscribes_to_layout_after_apply_as_filter(): void
@@ -18,14 +29,17 @@ class AdjustEcommercePaymentMethodsLayoutListenerTest extends TestCase
             $hooks['core.layout_extension.after_apply']['type'] ?? null
         );
         $this->assertSame(
-            'markEasyPayMethodsAsPgNotRequired',
+            'adjustPaymentMethodsLayout',
             $hooks['core.layout_extension.after_apply']['method'] ?? null
         );
     }
 
-    public function test_marks_kginicis_easy_pay_methods_as_pg_not_required_in_admin_ecommerce_settings(): void
+    public function test_does_not_string_substitute_pg_branch_expressions(): void
     {
-        $listener = new AdjustEcommercePaymentMethodsLayoutListener();
+        // 코어 레이아웃은 이제 pg_locked / needs_pg 로 직접 분기한다.
+        // 리스너가 표현식을 치환하면 코어의 분기 로직을 훼손하고,
+        // 플러그인이 여럿 설치되면 서로의 치환 결과 위에 누적 적용되어 충돌한다.
+        $listener = new AdjustEcommercePaymentMethodsLayoutListener;
 
         $layout = [
             'layout_name' => 'admin_ecommerce_settings',
@@ -33,34 +47,26 @@ class AdjustEcommercePaymentMethodsLayoutListenerTest extends TestCase
                 [
                     'type' => 'basic',
                     'name' => 'Select',
-                    'if' => "{{!['point','deposit','free','dbank'].includes(\$method.id) && (_local.form?.available_pg_providers ?? []).length > 0}}",
-                ],
-                [
-                    'type' => 'composite',
-                    'name' => 'Toggle',
-                    'props' => [
-                        'disabled' => "{{_computed.isReadOnly || !['point','deposit','free','dbank'].includes(\$method.id) && !\$method.pg_provider && !_local.form?.order_settings?.default_pg_provider}}",
-                    ],
+                    'if' => '{{!$method.pg_locked && $method.needs_pg && (_local.form?.available_pg_providers ?? []).length > 0}}',
                 ],
             ],
         ];
 
-        $result = $listener->markEasyPayMethodsAsPgNotRequired($layout, 1);
+        $result = $listener->adjustPaymentMethodsLayout($layout, 1);
         $json = json_encode($result, JSON_UNESCAPED_SLASHES);
 
         $this->assertIsString($json);
-        $this->assertStringContainsString('kginicis_samsung_pay', $json);
-        $this->assertStringContainsString('kginicis_naverpay', $json);
-        $this->assertStringContainsString('kginicis_lpay', $json);
-        $this->assertStringContainsString('kginicis_kakaopay', $json);
-        $this->assertStringContainsString('kginicis_japan_paypay', $json);
-        $this->assertStringContainsString('kginicis_japan_cvs', $json);
-        $this->assertStringNotContainsString("['point','deposit','free','dbank'].includes", $json);
+        // 코어 분기 표현식이 그대로 보존되어야 한다.
+        $this->assertStringContainsString('$method.pg_locked', $json);
+        $this->assertStringContainsString('$method.needs_pg', $json);
+        // 간편결제 ID 를 표현식에 끼워 넣지 않는다.
+        $this->assertStringNotContainsString('kginicis_naverpay', $json);
+        $this->assertStringNotContainsString('kginicis_lpay', $json);
     }
 
     public function test_adds_test_mode_warning_to_order_settings_tab(): void
     {
-        $listener = new AdjustEcommercePaymentMethodsLayoutListener();
+        $listener = new AdjustEcommercePaymentMethodsLayoutListener;
 
         $layout = [
             'layout_name' => 'admin_ecommerce_settings',
@@ -75,8 +81,9 @@ class AdjustEcommercePaymentMethodsLayoutListenerTest extends TestCase
             ],
         ];
 
-        $result = $listener->markEasyPayMethodsAsPgNotRequired($layout, 1);
-        $result = $listener->markEasyPayMethodsAsPgNotRequired($result, 1);
+        // 멱등성: 두 번 적용해도 경고 노드가 중복되지 않아야 한다.
+        $result = $listener->adjustPaymentMethodsLayout($layout, 1);
+        $result = $listener->adjustPaymentMethodsLayout($result, 1);
         $json = json_encode($result, JSON_UNESCAPED_SLASHES);
 
         $this->assertIsString($json);
@@ -99,17 +106,15 @@ class AdjustEcommercePaymentMethodsLayoutListenerTest extends TestCase
 
     public function test_leaves_other_layouts_unchanged(): void
     {
-        $listener = new AdjustEcommercePaymentMethodsLayoutListener();
+        $listener = new AdjustEcommercePaymentMethodsLayoutListener;
 
         $layout = [
             'layout_name' => 'shop/checkout',
             'components' => [
-                [
-                    'if' => "{{!['point','deposit','free','dbank'].includes(\$method.id)}}",
-                ],
+                ['if' => '{{$method.needs_pg}}'],
             ],
         ];
 
-        $this->assertSame($layout, $listener->markEasyPayMethodsAsPgNotRequired($layout, 1));
+        $this->assertSame($layout, $listener->adjustPaymentMethodsLayout($layout, 1));
     }
 }
diff --git a/plugins/_bundled/sirsoft-pay_kginicis/tests/Unit/Listeners/RegisterEasyPayMethodsListenerTest.php b/plugins/_bundled/sirsoft-pay_kginicis/tests/Unit/Listeners/RegisterEasyPayMethodsListenerTest.php
index 34750531..4d68b6e3 100644
--- a/plugins/_bundled/sirsoft-pay_kginicis/tests/Unit/Listeners/RegisterEasyPayMethodsListenerTest.php
+++ b/plugins/_bundled/sirsoft-pay_kginicis/tests/Unit/Listeners/RegisterEasyPayMethodsListenerTest.php
@@ -20,7 +20,7 @@ class RegisterEasyPayMethodsListenerTest extends PluginTestCase
             'japan_enabled' => true,
         ]);
 
-        $listener = new RegisterEasyPayMethodsListener();
+        $listener = new RegisterEasyPayMethodsListener;
 
         $methods = $listener->injectEasyPayMethods([
             ['id' => 'card'],
@@ -43,7 +43,7 @@ class RegisterEasyPayMethodsListenerTest extends PluginTestCase
         ], array_column($methods, 'id'));
     }
 
-    public function test_easy_pay_methods_do_not_require_pg_provider_in_saved_defaults(): void
+    public function test_easy_pay_methods_are_locked_to_own_pg_provider(): void
     {
         $this->mockSettings([
             'easy_pay_samsung_pay' => false,
@@ -53,7 +53,7 @@ class RegisterEasyPayMethodsListenerTest extends PluginTestCase
             'japan_enabled' => true,
         ]);
 
-        $listener = new RegisterEasyPayMethodsListener();
+        $listener = new RegisterEasyPayMethodsListener;
 
         $methods = $listener->injectEasyPayMethods([
             ['id' => 'phone'],
@@ -67,10 +67,23 @@ class RegisterEasyPayMethodsListenerTest extends PluginTestCase
 
         $this->assertCount(6, $easyPayMethods);
 
+        // 간편결제는 KG 이니시스 결제창을 통해서만 처리되므로 PG 를 자기 자신으로 고정 선언한다.
+        //
+        // 과거에는 pg_provider 를 null 로 두었고(= "PG 없는 결제수단"), 그 결과 서버가
+        // 간편결제 주문을 PG 결제가 아닌 주문으로 오인해 (a) 결제 실패했는데 관리자에게
+        // 신규주문 알림이 발송되고 (b) 임시주문이 즉시 삭제되어 재결제가 불가능해졌다(#475).
         foreach ($easyPayMethods as $method) {
             $this->assertArrayHasKey('defaults', $method);
-            $this->assertNull($method['defaults']['pg_provider'] ?? null);
+
+            // PG 고정 — null 이면 코어가 PG 없는 주문으로 오인한다.
+            $this->assertSame('kginicis', $method['defaults']['pg_provider'] ?? null);
+            $this->assertTrue($method['defaults']['pg_locked'] ?? false);
+            $this->assertTrue($method['defaults']['needs_pg'] ?? false);
+            $this->assertSame('pg', $method['defaults']['refund_method'] ?? null);
+
             $this->assertFalse($method['defaults']['is_active'] ?? true);
+            $this->assertSame('payment_complete', $method['defaults']['stock_deduction_timing'] ?? null);
+            $this->assertSame('payment_complete', $method['defaults']['mileage_deduction_timing'] ?? null);
         }
     }
 
@@ -83,7 +96,7 @@ class RegisterEasyPayMethodsListenerTest extends PluginTestCase
 
         // 테스트처럼 플러그인 설정이 아직 주입되지 않은 fallback 환경에서는
         // 기존 긴 설명을 유지한다. 브랜드 버튼 설정이 켜진 경우는 아래 테스트에서 별도 검증.
-        $listener = new RegisterEasyPayMethodsListener();
+        $listener = new RegisterEasyPayMethodsListener;
 
         $methods = $listener->injectEasyPayMethods([
             ['id' => 'phone'],
@@ -103,7 +116,7 @@ class RegisterEasyPayMethodsListenerTest extends PluginTestCase
             'easy_pay_show_brand_button' => true,
         ]);
 
-        $listener = new RegisterEasyPayMethodsListener();
+        $listener = new RegisterEasyPayMethodsListener;
 
         $methods = $listener->injectEasyPayMethods([
             ['id' => 'phone'],
@@ -128,7 +141,7 @@ class RegisterEasyPayMethodsListenerTest extends PluginTestCase
             'japan_enabled' => false,
         ]);
 
-        $listener = new RegisterEasyPayMethodsListener();
+        $listener = new RegisterEasyPayMethodsListener;
 
         $methods = $listener->injectEasyPayMethods([
             ['id' => 'phone'],
@@ -161,7 +174,7 @@ class RegisterEasyPayMethodsListenerTest extends PluginTestCase
             'japan_enabled' => false,
         ]);
 
-        $listener = new RegisterEasyPayMethodsListener();
+        $listener = new RegisterEasyPayMethodsListener;
 
         $methods = collect($listener->injectEasyPayMethods([
             ['id' => 'phone'],
diff --git a/plugins/_bundled/sirsoft-pay_kginicis/tests/Unit/Upgrades/BackfillEasyPayPgProviderTest.php b/plugins/_bundled/sirsoft-pay_kginicis/tests/Unit/Upgrades/BackfillEasyPayPgProviderTest.php
new file mode 100644
index 00000000..c48471fa
--- /dev/null
+++ b/plugins/_bundled/sirsoft-pay_kginicis/tests/Unit/Upgrades/BackfillEasyPayPgProviderTest.php
@@ -0,0 +1,179 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Plugins\Sirsoft\PayKginicis\Tests\Unit\Upgrades;
+
+use App\Extension\UpgradeContext;
+use App\Upgrades\Data\Ext\Plugins\SirsoftPayKginicis\V1_0_1\Migrations\BackfillEasyPayPgProvider;
+use Illuminate\Support\Facades\File;
+use Tests\TestCase;
+
+require_once dirname(__DIR__, 3).'/upgrades/data/1.0.1/migrations/BackfillEasyPayPgProvider.php';
+
+/**
+ * 저장된 주문설정의 KG 이니시스 간편결제 PG 고정 백필 테스트 — 이슈 #475
+ *
+ * 기존 설치 환경의 order_settings.json 에는 간편결제가 `pg_provider: null` 로 영속화되어
+ * 있다. 서버가 이 값을 보고 간편결제 주문을 "PG 결제가 아닌 주문" 으로 오인해 결제 실패
+ * 시 관리자 알림 오발송 + 임시주문 삭제(재결제 불가) 를 일으켰다.
+ */
+class BackfillEasyPayPgProviderTest extends TestCase
+{
+    private string $settingsPath;
+
+    private bool $hadOriginalSettings = false;
+
+    private ?string $originalSettings = null;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->settingsPath = storage_path('app/modules/sirsoft-ecommerce/settings/order_settings.json');
+        $this->hadOriginalSettings = File::exists($this->settingsPath);
+        $this->originalSettings = $this->hadOriginalSettings ? File::get($this->settingsPath) : null;
+
+        File::ensureDirectoryExists(dirname($this->settingsPath));
+    }
+
+    protected function tearDown(): void
+    {
+        if ($this->hadOriginalSettings && $this->originalSettings !== null) {
+            File::put($this->settingsPath, $this->originalSettings);
+        } else {
+            File::delete($this->settingsPath);
+        }
+
+        parent::tearDown();
+    }
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=pg_locked
+     *
+     * @effects upgrade_step_backfills_settings_file, saved_null_pg_provider_self_healed
+     */
+    public function test_backfills_pg_declaration_for_kginicis_easy_pay_methods(): void
+    {
+        // 결함 시절의 저장 상태 재현: pg_provider=null, 능력 키 부재
+        $this->writeSettings([
+            ['id' => 'card', 'pg_provider' => 'kginicis'],
+            ['id' => 'kginicis_naverpay', 'pg_provider' => null, 'is_active' => true],
+            ['id' => 'kginicis_lpay', 'pg_provider' => null, 'is_active' => true],
+        ]);
+
+        $this->runMigration();
+
+        $methods = $this->readMethods();
+
+        foreach (['kginicis_naverpay', 'kginicis_lpay'] as $id) {
+            $method = $methods[$id];
+            $this->assertSame('kginicis', $method['pg_provider'], "{$id} 의 PG 가 고정되어야 한다");
+            $this->assertTrue($method['pg_locked']);
+            $this->assertTrue($method['needs_pg']);
+            $this->assertSame('pg', $method['refund_method']);
+            // 관리자가 설정한 값은 보존한다.
+            $this->assertTrue($method['is_active']);
+        }
+    }
+
+    public function test_does_not_touch_other_plugins_or_builtin_methods(): void
+    {
+        // 각 플러그인은 자기 접두사 수단만 백필한다 (다른 PG 의 수단을 건드리면 안 된다).
+        $this->writeSettings([
+            ['id' => 'card', 'pg_provider' => 'kginicis'],
+            ['id' => 'dbank', 'pg_provider' => ''],
+            ['id' => 'nhnkcp_naverpay', 'pg_provider' => null],
+            ['id' => 'kginicis_naverpay', 'pg_provider' => null],
+        ]);
+
+        $this->runMigration();
+
+        $methods = $this->readMethods();
+
+        $this->assertSame('kginicis', $methods['card']['pg_provider']);
+        $this->assertArrayNotHasKey('pg_locked', $methods['card']);
+
+        $this->assertSame('', $methods['dbank']['pg_provider']);
+        $this->assertArrayNotHasKey('pg_locked', $methods['dbank']);
+
+        // 다른 PG 플러그인의 수단은 그 플러그인의 스텝이 처리한다.
+        $this->assertNull($methods['nhnkcp_naverpay']['pg_provider']);
+        $this->assertArrayNotHasKey('pg_locked', $methods['nhnkcp_naverpay']);
+
+        $this->assertSame('kginicis', $methods['kginicis_naverpay']['pg_provider']);
+    }
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=pg_locked
+     *
+     * @effects upgrade_step_backfills_settings_file
+     */
+    public function test_is_idempotent(): void
+    {
+        $this->writeSettings([
+            ['id' => 'kginicis_naverpay', 'pg_provider' => null],
+        ]);
+
+        $this->runMigration();
+        $first = File::get($this->settingsPath);
+
+        $this->runMigration();
+        $second = File::get($this->settingsPath);
+
+        $this->assertSame($first, $second, '재실행해도 결과가 달라지지 않아야 한다');
+    }
+
+    public function test_skips_when_settings_file_is_missing(): void
+    {
+        File::delete($this->settingsPath);
+
+        $this->runMigration();
+
+        $this->assertFalse(File::exists($this->settingsPath));
+    }
+
+    public function test_skips_when_settings_json_is_malformed(): void
+    {
+        File::put($this->settingsPath, '{ not valid json');
+
+        $this->runMigration();
+
+        // 손상된 파일을 덮어써서 더 망가뜨리지 않는다.
+        $this->assertSame('{ not valid json', File::get($this->settingsPath));
+    }
+
+    /**
+     * @param  array<int, array<string, mixed>>  $paymentMethods
+     */
+    private function writeSettings(array $paymentMethods): void
+    {
+        File::put($this->settingsPath, json_encode([
+            'payment_methods' => $paymentMethods,
+        ], JSON_THROW_ON_ERROR));
+    }
+
+    /**
+     * @return array<string, array<string, mixed>> 결제수단 ID => 설정
+     */
+    private function readMethods(): array
+    {
+        $settings = json_decode(File::get($this->settingsPath), true, flags: JSON_THROW_ON_ERROR);
+
+        $keyed = [];
+        foreach ($settings['payment_methods'] as $method) {
+            $keyed[$method['id']] = $method;
+        }
+
+        return $keyed;
+    }
+
+    private function runMigration(): void
+    {
+        (new BackfillEasyPayPgProvider)->run(new UpgradeContext(
+            fromVersion: '1.0.0',
+            toVersion: '1.0.1',
+            currentStep: '1.0.1',
+        ));
+    }
+}
diff --git a/plugins/_bundled/sirsoft-pay_kginicis/upgrades/Upgrade_1_0_1.php b/plugins/_bundled/sirsoft-pay_kginicis/upgrades/Upgrade_1_0_1.php
new file mode 100644
index 00000000..b79ae8ca
--- /dev/null
+++ b/plugins/_bundled/sirsoft-pay_kginicis/upgrades/Upgrade_1_0_1.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Plugins\Sirsoft\PayKginicis\Upgrades;
+
+use App\Extension\AbstractUpgradeStep;
+
+/**
+ * v1.0.1 업그레이드 스텝
+ *
+ * 저장된 이커머스 주문설정의 KG 이니시스 간편결제 항목에 PG 고정 선언을 백필한다.
+ *
+ * 모든 비즈니스 로직은 data/1.0.1/migrations/ 로 격리(AbstractUpgradeStep 규약).
+ *
+ * @upgrade-path B
+ */
+class Upgrade_1_0_1 extends AbstractUpgradeStep {}
diff --git a/plugins/_bundled/sirsoft-pay_kginicis/upgrades/data/1.0.1/migrations/BackfillEasyPayPgProvider.php b/plugins/_bundled/sirsoft-pay_kginicis/upgrades/data/1.0.1/migrations/BackfillEasyPayPgProvider.php
new file mode 100644
index 00000000..94a8e1fc
--- /dev/null
+++ b/plugins/_bundled/sirsoft-pay_kginicis/upgrades/data/1.0.1/migrations/BackfillEasyPayPgProvider.php
@@ -0,0 +1,131 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Upgrades\Data\Ext\Plugins\SirsoftPayKginicis\V1_0_1\Migrations;
+
+use App\Extension\Helpers\FilePermissionHelper;
+use App\Extension\Upgrade\DataMigration;
+use App\Extension\UpgradeContext;
+use Illuminate\Support\Facades\File;
+
+/**
+ * 저장된 이커머스 주문설정의 KG 이니시스 간편결제 항목에 PG 고정 선언을 백필한다.
+ *
+ * 배경 (이슈 #475):
+ *
+ * 간편결제 수단은 과거 `pg_provider: null` 로 등록되어 저장 파일에 그대로 영속화됐다.
+ * 서버는 이 값을 보고 간편결제 주문을 "PG 결제가 아닌 주문" 으로 오인했고, 그 결과
+ * (a) 결제가 실패했는데 관리자에게 신규주문 알림이 발송되고 (b) 임시주문이 즉시 삭제되어
+ * 재결제가 불가능해졌다.
+ *
+ * 현재 코드는 결제수단 카탈로그를 병합할 때 능력 선언(pg_provider / pg_locked / needs_pg /
+ * refund_method)을 플러그인 정의에서 가져오므로, 저장 파일에 남은 낡은 값이 있어도 런타임
+ * 동작은 이미 정상이다(자가 치유). 본 마이그레이션은 저장 파일 자체를 현재 선언과 일치시켜
+ * 설정 화면과 파일 내용이 어긋나 보이지 않게 한다.
+ *
+ * V-1 안전 격리 (docs/extension/upgrade-step-guide.md §13):
+ *   - 파일 시스템 + FilePermissionHelper 만 사용 (이전 버전에도 존재하던 표면)
+ *   - Service / Manager / Repository 컨테이너 해석 없음
+ */
+final class BackfillEasyPayPgProvider implements DataMigration
+{
+    /**
+     * 이커머스 모듈의 주문설정 저장 경로.
+     */
+    private const SETTINGS_PATH = 'app/modules/sirsoft-ecommerce/settings/order_settings.json';
+
+    /**
+     * 이 플러그인이 등록하는 간편결제 수단의 ID 접두사.
+     */
+    private const METHOD_PREFIX = 'kginicis_';
+
+    /**
+     * 이 플러그인이 제공하는 PG 식별자.
+     */
+    private const PG_PROVIDER_ID = 'kginicis';
+
+    /**
+     * 마이그레이션 식별자 (로그용).
+     *
+     * @return string 사람이 읽을 수 있는 짧은 식별자
+     */
+    public function name(): string
+    {
+        return 'BackfillEasyPayPgProvider';
+    }
+
+    /**
+     * 저장된 주문설정의 간편결제 항목에 PG 고정 선언을 백필한다. idempotent.
+     *
+     * @param  UpgradeContext  $context  업그레이드 컨텍스트 (로거 등)
+     */
+    public function run(UpgradeContext $context): void
+    {
+        $path = storage_path(self::SETTINGS_PATH);
+
+        if (! File::exists($path)) {
+            $context->logger->info('[kginicis] 이커머스 주문설정 파일 없음 — 기본값으로 동작하므로 skip');
+
+            return;
+        }
+
+        $settings = json_decode(File::get($path), true);
+        if (! is_array($settings) || ! is_array($settings['payment_methods'] ?? null)) {
+            $context->logger->warning('[kginicis] 주문설정 JSON 형식 비정상 — 간편결제 PG 백필 skip');
+
+            return;
+        }
+
+        $updated = 0;
+        foreach ($settings['payment_methods'] as $index => $method) {
+            if (! is_array($method)) {
+                continue;
+            }
+
+            $id = (string) ($method['id'] ?? '');
+            if (! str_starts_with($id, self::METHOD_PREFIX)) {
+                continue;
+            }
+
+            $before = [
+                $method['pg_provider'] ?? null,
+                $method['pg_locked'] ?? null,
+                $method['needs_pg'] ?? null,
+                $method['refund_method'] ?? null,
+            ];
+
+            $method['pg_provider'] = self::PG_PROVIDER_ID;
+            $method['pg_locked'] = true;
+            $method['needs_pg'] = true;
+            $method['refund_method'] = 'pg';
+
+            $after = [
+                $method['pg_provider'],
+                $method['pg_locked'],
+                $method['needs_pg'],
+                $method['refund_method'],
+            ];
+
+            if ($before !== $after) {
+                $updated++;
+            }
+
+            $settings['payment_methods'][$index] = $method;
+        }
+
+        if ($updated === 0) {
+            $context->logger->info('[kginicis] 간편결제 PG 선언이 이미 최신 — 변경 없음');
+
+            return;
+        }
+
+        File::put($path, json_encode($settings, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT));
+        FilePermissionHelper::inheritOwnershipFromParent($path);
+
+        $context->logger->info('[kginicis] 간편결제 PG 고정 선언 백필 완료', [
+            'pg_provider' => self::PG_PROVIDER_ID,
+            'updated_methods' => $updated,
+        ]);
+    }
+}
diff --git a/plugins/_bundled/sirsoft-pay_nhnkcp/CHANGELOG.md b/plugins/_bundled/sirsoft-pay_nhnkcp/CHANGELOG.md
index 9931ac07..6ef6cadc 100644
--- a/plugins/_bundled/sirsoft-pay_nhnkcp/CHANGELOG.md
+++ b/plugins/_bundled/sirsoft-pay_nhnkcp/CHANGELOG.md
@@ -13,6 +13,15 @@
 - PC 결제창 close-report와 승인 콜백이 경쟁할 때 결제 성공 주문이 실패 처리로 덮이지 않도록 주문번호 단위 콜백 락과 최신 결제 상태 가드를 적용했습니다.
 - NHN KCP 부분취소 요청에서 `rem_mny`를 취소 후 잔액이 아닌 현재 부분취소 가능 금액으로 전달해 큰 금액 부분취소가 거절될 수 있던 문제를 수정했습니다.
 - 이커머스 주문설정 화면에서 NHN KCP 플러그인이 테스트 모드일 때 운영 전환 경고와 설정 이동 버튼을 표시하도록 보강했습니다.
+- PAYCO·네이버페이·카카오페이·애플페이 등 NHN KCP 간편결제로 주문할 때, 결제가 실패했는데도 관리자에게 "신규 주문 접수" 알림이 발송되던 문제를 수정했습니다.
+- 간편결제로 결제하다 실패한 뒤 다시 결제하려 하면 "임시주문을 찾을 수 없습니다" 오류가 뜨며 재결제가 불가능하던 문제를 수정했습니다. 이제 결제 실패 후에도 주문서가 유지됩니다.
+- 간편결제 주문을 취소할 때 카드 취소가 함께 이뤄지지 않을 수 있던 문제를 수정했습니다.
+
+### Changed
+
+- 간편결제가 정식 결제수단으로 취급되어 주문 내역에 실제로 선택한 결제수단(예: 네이버페이)이 그대로 기록됩니다.
+- 쇼핑몰 환경설정 > 주문설정의 결제수단 목록에서 간편결제가 "PG 고정 · NHN KCP"로 표시됩니다. 간편결제는 NHN KCP 전용이므로 다른 결제대행사로 바꿀 수 없습니다.
+- 결제창을 띄우기 위해 브라우저 요청을 가로채 결제수단을 바꿔치기하던 내부 처리를 제거했습니다. 결제 진행 방식이 표준화됩니다.
 
 ## [1.0.0-beta.5] - 2026-06-23
 
diff --git a/plugins/_bundled/sirsoft-pay_nhnkcp/dist/js/plugin.iife.js b/plugins/_bundled/sirsoft-pay_nhnkcp/dist/js/plugin.iife.js
index 39a9da2a..f3f1c15c 100644
--- a/plugins/_bundled/sirsoft-pay_nhnkcp/dist/js/plugin.iife.js
+++ b/plugins/_bundled/sirsoft-pay_nhnkcp/dist/js/plugin.iife.js
@@ -1,4 +1,4 @@
-(function(){"use strict";function tt(e){return/^https?:\/\//i.test(e)||e.startsWith("/api/")?e:e.startsWith("/plugins/")?`/api${e}`:e.startsWith("plugins/")?`/api/${e}`:e}function nt(e){return e.trim().slice(0,160)}function rt(e){if(e)return e.replace(/\/payment\/close-report$/,"/payment/retry")}async function ce(e,t,n=!1){const r=window.G7Core?.api;if(typeof r?.post=="function"){await r.post(e,t);return}const a=await fetch(tt(e),{method:"POST",headers:{"Content-Type":"application/json"},body:JSON.stringify(t),keepalive:n});if(!a.ok){let o=`NHN KCP payment request failed (${a.status})`;try{const i=await a.json(),s=Array.isArray(i?.errors?.message)?i.errors.message[0]:i?.error??i?.message;typeof s=="string"&&s.trim()!==""&&(o=s)}catch{}throw new Error(o)}}async function at(e){const t=rt(e.closeReportUrl);t&&await ce(t,{oid:e.oid,price:Number(e.price),buyer_email:e.buyer_email??"",buyer_phone:e.buyer_phone??"",payment_method:e.payment_method??""})}async function ot(e,t="kcp-window-closed"){if(!e.closeReportUrl)return;const n={oid:e.oid,price:Number(e.price),buyer_email:e.buyer_email??"",buyer_phone:e.buyer_phone??"",payment_method:e.payment_method??"",reason:nt(t)||"kcp-window-closed"};try{await ce(e.closeReportUrl,n,!0)}catch(r){console.warn("[sirsoft-pay_nhnkcp] failed to report payment window close",r)}}const it="nhnkcp_applepay";function M(e){return e===it}function S(){if(typeof navigator>"u")return!1;const e=navigator,t=(e.userAgent||"").toLowerCase(),n=((e.userAgentData?.platform??e.platform)||"").toLowerCase(),r=e.maxTouchPoints??0;return/iphone|ipad|ipod/.test(t)||/iphone|ipad|ipod|ios/.test(n)?!0:/macintosh|mac os x/.test(t)&&r>1}function H(){return((typeof document<"u"?document.documentElement.lang:"")||"").toLowerCase().startsWith("ko")?"애플페이는 IOS 기기에 모바일결제만 가능합니다.":"Apple Pay is available only for mobile payments on iOS devices."}function B(e){return(e??"KRW").trim().toUpperCase()||"KRW"}function st(e){return B(e)==="KRW"}function ct(e){const t=B(e);return((typeof document<"u"?document.documentElement.lang:"")||"").toLowerCase().startsWith("ko")?`NHN KCP는 KRW 결제만 지원합니다. (${t})`:`NHN KCP supports KRW payments only. (${t})`}function dt(e){const t=Math.max(0,Math.round(Number(e.amount??0))),n=Math.min(Math.max(0,Math.round(Number(e.tax_free_amount??0))),t);if(n<=0)return{};const r=Math.max(0,Math.round(Number(e.tax_amount??0))),a=Math.max(0,Math.round(Number(e.vat_amount??0))),o=Math.max(0,t-n),i=o>0&&r>0&&a>0?Math.min(o,Math.round(o*(a/r))):0,s=o-i;return{tax_flag:"TG03",comm_tax_mny:String(s),comm_vat_mny:String(i),comm_free_mny:String(n)}}class D extends Error{constructor(t){super(t??"결제가 취소되었습니다."),this.name="KcpCancelledError"}}const lt={card:"100000000000",bank_transfer:"010000000000",virtual_account:"001000000000",mobile:"000010000000",bank:"010000000000",vbank:"001000000000",phone:"000010000000"},de={nhnkcp_payco:{payco_direct:"Y"},nhnkcp_naverpay:{naverpay_direct:"Y"},nhnkcp_naverpay_point:{naverpay_direct:"Y",naverpay_point_direct:"Y"},nhnkcp_kakaopay:{kakaopay_direct:"Y"},nhnkcp_applepay:{applepay_direct:"Y"}};function ut(e,t){const n=e.toLowerCase();return!t||!Object.prototype.hasOwnProperty.call(de,n)?{}:{param_opt_1:n,nhnkcp_easy_pay_method:n}}function pt(e){if(!e.isConnected)return!0;const t=window.getComputedStyle(e);if(t.display==="none"||t.visibility==="hidden")return!0;const n=e.getBoundingClientRect();return n.width<=0||n.height<=0}function mt(e,t){let n=!1,r,a;const o=()=>{n=!0,a&&(a.disconnect(),a=void 0),r!==void 0&&(window.clearInterval(r),r=void 0)},i=()=>{n||!pt(e)||(o(),t())},s=document.body??document.documentElement;return s&&typeof MutationObserver<"u"&&(a=new MutationObserver(i),a.observe(s,{attributes:!0,attributeFilter:["class","hidden","style"],childList:!0,subtree:!0})),r=window.setInterval(i,300),o}function yt(){if(typeof navigator>"u")return!1;if(S())return!0;const e=navigator;if(e.userAgentData?.mobile!==void 0)return e.userAgentData.mobile;const t=(navigator.userAgent||"").toLowerCase();return!!(/android|iphone|ipod|windows phone|iemobile|blackberry|opera mini|mobile safari/.test(t)||(navigator.maxTouchPoints??0)>1&&!t.includes("windows")&&!t.includes("macintosh"))}async function le(e,t){const{pgPaymentData:n,paymentMethod:r}=e.params||{};if(!n){console.error("[sirsoft-pay_nhnkcp] pgPaymentData is required");return}const a=r??n.pay_method??"card",o=typeof a=="string"&&a.startsWith("nhnkcp_"),i=window.G7Core;let s=null;try{if(!st(n.currency)){const u=ct(n.currency);i?.state?.setLocal?.({paymentErrorMessage:u,isSubmittingOrder:!1,paymentMethod:a}),i?.modal?.open?.("nhnkcp_payment_error_modal");return}if(M(a)&&!S()){const u=H();i?.state?.setLocal?.({paymentErrorMessage:u,isSubmittingOrder:!1,paymentMethod:a}),i?.modal?.open?.("nhnkcp_payment_error_modal");return}const c=await i.api.get("/modules/sirsoft-ecommerce/payments/client-config/nhnkcp");if(!c.data){console.error("[sirsoft-pay_nhnkcp] Failed to fetch client config",c);return}const d=c.data;s={closeReportUrl:d.callback_urls.close_report,oid:n.order_number,price:Number(n.amount),buyer_email:n.customer_email??"",buyer_phone:n.customer_phone??"",payment_method:a};const l=window.location.origin+d.callback_urls.callback;await at(s),yt()?await ft(i,n,a,o,l):await ht(d,n,a,o,l)}catch(c){if(c instanceof D){s&&await ot(s,c.message||"kcp-window-closed"),i?.state?.setLocal?.({isSubmittingOrder:!1,paymentMethod:a});return}console.error("[sirsoft-pay_nhnkcp] requestPayment error",c);const l=c?.response?.data,u=l?.errors?Object.values(l.errors)[0]?.[0]:void 0,m=l?.error??l?.message??u??(c instanceof Error?c.message:"Unknown error");i?.state?.setLocal?.({paymentErrorMessage:m,isSubmittingOrder:!1,paymentMethod:a}),i?.modal?.open?.("nhnkcp_payment_error_modal")}}async function ft(e,t,n,r,a){const o=await e.api.post("/plugins/sirsoft-pay_nhnkcp/mobile/approval-key",{order_number:t.order_number,amount:t.amount,good_name:t.order_name,pay_method:n,buyr_name:t.customer_name??"",buyr_mail:t.customer_email??"",buyr_tel1:t.customer_phone??"",ret_url:a,currency:B(t.currency)});if(!o.success||!o.data){const d=o.errors,l=d?Object.values(d)[0]?.[0]:void 0;throw new Error(o.error??o.message??l??"KCP 모바일 승인키 획득 실패")}const{pay_url:i,fields:s}=o.data,c=document.createElement("form");c.method="POST",c.action=i,c.acceptCharset="euc-kr",c.style.display="none";for(const[d,l]of Object.entries(s)){const u=document.createElement("input");u.type="hidden",u.name=d,u.value=String(l),c.appendChild(u)}document.body.appendChild(c),c.submit(),await new Promise(()=>{})}async function ht(e,t,n,r,a){const o=r?"100000000000":lt[t.pay_method??"card"]??"100000000000",s={site_cd:n==="nhnkcp_payco"?e.easy_pay_client_id??e.client_id:e.use_escrow&&!r?e.escrow_client_id??e.client_id:e.client_id,ordr_idxx:t.order_number,good_name:t.order_name,good_mny:String(t.amount),buyr_name:t.customer_name??"",buyr_mail:t.customer_email??"",buyr_tel1:t.customer_phone??"",pay_method:o,Ret_URL:a};if(Object.assign(s,dt(t)),Object.assign(s,ut(n,r)),o==="001000000000"&&(s.vcnt_expire_term=String(e.vbank_expire_days??3),s.disp_tax_yn="N"),e.use_escrow&&!r&&(s.escw_used="Y",s.pay_mod="O"),r){s.payco_direct="",s.naverpay_direct="A",s.kakaopay_direct="A",s.applepay_direct="A";const d=de[n];d&&Object.assign(s,d)}const c=Object.entries(s).map(([d,l])=>`<input type="hidden" name="${d}" value="${l.replace(/"/g,"&quot;")}">`).join("");await new Promise((d,l)=>{document.getElementById("kcp-sdk-iframe")?.remove(),document.getElementById("kcp-dim-overlay")?.remove();const u=document.createElement("div");u.id="kcp-dim-overlay",u.style.cssText="position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.6);z-index:99998;",document.body.appendChild(u);const m=document.createElement("iframe");m.id="kcp-sdk-iframe",m.setAttribute("allowtransparency","true"),m.style.cssText="position:fixed;top:0;left:0;width:100%;height:100%;border:0;z-index:99999;background:transparent;",document.body.appendChild(m);const y=m.contentWindow;let x=!1,h,f;const se=()=>{f?.(),f=void 0,h!==void 0&&(clearTimeout(h),h=void 0),m.remove(),u.remove()},v=_=>{x||(x=!0,se(),l(_))},w=()=>{x=!0,f?.(),f=void 0,h!==void 0&&(clearTimeout(h),h=void 0)};f=mt(m,()=>{v(new D("kcp-payment-frame-closed"))}),y.m_Completepayment=function(_){const E=_.elements.res_cd?.value??"",p=_.elements.res_msg?.value??"";if(E==="0000"){w();const g=y.document.forms.namedItem("order_info"),k=g&&g!==_?g:_;if(g&&g!==_)for(let I=0;I<_.elements.length;I++){const L=_.elements[I];if(!L.name)continue;let A=g.elements.namedItem(L.name);A||(A=y.document.createElement("input"),A.type="hidden",A.name=L.name,g.appendChild(A)),A.value=L.value}k.action=a,k.method="POST",k.target="_top",y.document.body.appendChild(k),k.submit()}else{const g=E===""||E==="7777"||p.includes("취소");v(g?new D(p):new Error(`KCP 오류 [${E}]: ${p}`))}},y.__kcpFail=_=>{v(_)};const C=m.contentDocument||y.document;C.open(),C.write(`<!DOCTYPE html><html><head>
+(function(){"use strict";function Je(e){return/^https?:\/\//i.test(e)||e.startsWith("/api/")?e:e.startsWith("/plugins/")?`/api${e}`:e.startsWith("plugins/")?`/api/${e}`:e}function Qe(e){return e.trim().slice(0,160)}function Xe(e){if(e)return e.replace(/\/payment\/close-report$/,"/payment/retry")}async function oe(e,t,n=!1){const r=window.G7Core?.api;if(typeof r?.post=="function"){await r.post(e,t);return}const a=await fetch(Je(e),{method:"POST",headers:{"Content-Type":"application/json"},body:JSON.stringify(t),keepalive:n});if(!a.ok){let o=`NHN KCP payment request failed (${a.status})`;try{const i=await a.json(),s=Array.isArray(i?.errors?.message)?i.errors.message[0]:i?.error??i?.message;typeof s=="string"&&s.trim()!==""&&(o=s)}catch{}throw new Error(o)}}async function Ze(e){const t=Xe(e.closeReportUrl);t&&await oe(t,{oid:e.oid,price:Number(e.price),buyer_email:e.buyer_email??"",buyer_phone:e.buyer_phone??"",payment_method:e.payment_method??""})}async function et(e,t="kcp-window-closed"){if(!e.closeReportUrl)return;const n={oid:e.oid,price:Number(e.price),buyer_email:e.buyer_email??"",buyer_phone:e.buyer_phone??"",payment_method:e.payment_method??"",reason:Qe(t)||"kcp-window-closed"};try{await oe(e.closeReportUrl,n,!0)}catch(r){console.warn("[sirsoft-pay_nhnkcp] failed to report payment window close",r)}}const tt="nhnkcp_applepay";function N(e){return e===tt}function P(){if(typeof navigator>"u")return!1;const e=navigator,t=(e.userAgent||"").toLowerCase(),n=((e.userAgentData?.platform??e.platform)||"").toLowerCase(),r=e.maxTouchPoints??0;return/iphone|ipad|ipod/.test(t)||/iphone|ipad|ipod|ios/.test(n)?!0:/macintosh|mac os x/.test(t)&&r>1}function M(){return((typeof document<"u"?document.documentElement.lang:"")||"").toLowerCase().startsWith("ko")?"애플페이는 IOS 기기에 모바일결제만 가능합니다.":"Apple Pay is available only for mobile payments on iOS devices."}function T(e){return(e??"KRW").trim().toUpperCase()||"KRW"}function nt(e){return T(e)==="KRW"}function rt(e){const t=T(e);return((typeof document<"u"?document.documentElement.lang:"")||"").toLowerCase().startsWith("ko")?`NHN KCP는 KRW 결제만 지원합니다. (${t})`:`NHN KCP supports KRW payments only. (${t})`}function at(e){const t=Math.max(0,Math.round(Number(e.amount??0))),n=Math.min(Math.max(0,Math.round(Number(e.tax_free_amount??0))),t);if(n<=0)return{};const r=Math.max(0,Math.round(Number(e.tax_amount??0))),a=Math.max(0,Math.round(Number(e.vat_amount??0))),o=Math.max(0,t-n),i=o>0&&r>0&&a>0?Math.min(o,Math.round(o*(a/r))):0,s=o-i;return{tax_flag:"TG03",comm_tax_mny:String(s),comm_vat_mny:String(i),comm_free_mny:String(n)}}class $ extends Error{constructor(t){super(t??"결제가 취소되었습니다."),this.name="KcpCancelledError"}}const ot={card:"100000000000",bank_transfer:"010000000000",virtual_account:"001000000000",mobile:"000010000000",bank:"010000000000",vbank:"001000000000",phone:"000010000000"},ie={nhnkcp_payco:{payco_direct:"Y"},nhnkcp_naverpay:{naverpay_direct:"Y"},nhnkcp_naverpay_point:{naverpay_direct:"Y",naverpay_point_direct:"Y"},nhnkcp_kakaopay:{kakaopay_direct:"Y"},nhnkcp_applepay:{applepay_direct:"Y"}};function it(e,t){const n=e.toLowerCase();return!t||!Object.prototype.hasOwnProperty.call(ie,n)?{}:{param_opt_1:n,nhnkcp_easy_pay_method:n}}function st(e){if(!e.isConnected)return!0;const t=window.getComputedStyle(e);if(t.display==="none"||t.visibility==="hidden")return!0;const n=e.getBoundingClientRect();return n.width<=0||n.height<=0}function ct(e,t){let n=!1,r,a;const o=()=>{n=!0,a&&(a.disconnect(),a=void 0),r!==void 0&&(window.clearInterval(r),r=void 0)},i=()=>{n||!st(e)||(o(),t())},s=document.body??document.documentElement;return s&&typeof MutationObserver<"u"&&(a=new MutationObserver(i),a.observe(s,{attributes:!0,attributeFilter:["class","hidden","style"],childList:!0,subtree:!0})),r=window.setInterval(i,300),o}function dt(){if(typeof navigator>"u")return!1;if(P())return!0;const e=navigator;if(e.userAgentData?.mobile!==void 0)return e.userAgentData.mobile;const t=(navigator.userAgent||"").toLowerCase();return!!(/android|iphone|ipod|windows phone|iemobile|blackberry|opera mini|mobile safari/.test(t)||(navigator.maxTouchPoints??0)>1&&!t.includes("windows")&&!t.includes("macintosh"))}async function lt(e,t){const{pgPaymentData:n,paymentMethod:r}=e.params||{};if(!n){console.error("[sirsoft-pay_nhnkcp] pgPaymentData is required");return}const a=r??n.payment_method??n.pay_method??"card",o=typeof a=="string"&&a.startsWith("nhnkcp_"),i=window.G7Core;let s=null;try{if(!nt(n.currency)){const u=rt(n.currency);i?.state?.setLocal?.({paymentErrorMessage:u,isSubmittingOrder:!1,paymentMethod:a}),i?.modal?.open?.("nhnkcp_payment_error_modal");return}if(N(a)&&!P()){const u=M();i?.state?.setLocal?.({paymentErrorMessage:u,isSubmittingOrder:!1,paymentMethod:a}),i?.modal?.open?.("nhnkcp_payment_error_modal");return}const c=await i.api.get("/modules/sirsoft-ecommerce/payments/client-config/nhnkcp");if(!c.data){console.error("[sirsoft-pay_nhnkcp] Failed to fetch client config",c);return}const d=c.data;s={closeReportUrl:d.callback_urls.close_report,oid:n.order_number,price:Number(n.amount),buyer_email:n.customer_email??"",buyer_phone:n.customer_phone??"",payment_method:a};const l=window.location.origin+d.callback_urls.callback;await Ze(s),dt()?await ut(i,n,a,o,l):await pt(d,n,a,o,l)}catch(c){if(c instanceof $){s&&await et(s,c.message||"kcp-window-closed"),i?.state?.setLocal?.({isSubmittingOrder:!1,paymentMethod:a});return}console.error("[sirsoft-pay_nhnkcp] requestPayment error",c);const l=c?.response?.data,u=l?.errors?Object.values(l.errors)[0]?.[0]:void 0,p=l?.error??l?.message??u??(c instanceof Error?c.message:"Unknown error");i?.state?.setLocal?.({paymentErrorMessage:p,isSubmittingOrder:!1,paymentMethod:a}),i?.modal?.open?.("nhnkcp_payment_error_modal")}}async function ut(e,t,n,r,a){const o=await e.api.post("/plugins/sirsoft-pay_nhnkcp/mobile/approval-key",{order_number:t.order_number,amount:t.amount,good_name:t.order_name,pay_method:n,buyr_name:t.customer_name??"",buyr_mail:t.customer_email??"",buyr_tel1:t.customer_phone??"",ret_url:a,currency:T(t.currency)});if(!o.success||!o.data){const d=o.errors,l=d?Object.values(d)[0]?.[0]:void 0;throw new Error(o.error??o.message??l??"KCP 모바일 승인키 획득 실패")}const{pay_url:i,fields:s}=o.data,c=document.createElement("form");c.method="POST",c.action=i,c.acceptCharset="euc-kr",c.style.display="none";for(const[d,l]of Object.entries(s)){const u=document.createElement("input");u.type="hidden",u.name=d,u.value=String(l),c.appendChild(u)}document.body.appendChild(c),c.submit(),await new Promise(()=>{})}async function pt(e,t,n,r,a){const o=r?"100000000000":ot[t.pay_method??"card"]??"100000000000",s={site_cd:n==="nhnkcp_payco"?e.easy_pay_client_id??e.client_id:e.use_escrow&&!r?e.escrow_client_id??e.client_id:e.client_id,ordr_idxx:t.order_number,good_name:t.order_name,good_mny:String(t.amount),buyr_name:t.customer_name??"",buyr_mail:t.customer_email??"",buyr_tel1:t.customer_phone??"",pay_method:o,Ret_URL:a};if(Object.assign(s,at(t)),Object.assign(s,it(n,r)),o==="001000000000"&&(s.vcnt_expire_term=String(e.vbank_expire_days??3),s.disp_tax_yn="N"),e.use_escrow&&!r&&(s.escw_used="Y",s.pay_mod="O"),r){s.payco_direct="",s.naverpay_direct="A",s.kakaopay_direct="A",s.applepay_direct="A";const d=ie[n];d&&Object.assign(s,d)}const c=Object.entries(s).map(([d,l])=>`<input type="hidden" name="${d}" value="${l.replace(/"/g,"&quot;")}">`).join("");await new Promise((d,l)=>{document.getElementById("kcp-sdk-iframe")?.remove(),document.getElementById("kcp-dim-overlay")?.remove();const u=document.createElement("div");u.id="kcp-dim-overlay",u.style.cssText="position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.6);z-index:99998;",document.body.appendChild(u);const p=document.createElement("iframe");p.id="kcp-sdk-iframe",p.setAttribute("allowtransparency","true"),p.style.cssText="position:fixed;top:0;left:0;width:100%;height:100%;border:0;z-index:99999;background:transparent;",document.body.appendChild(p);const y=p.contentWindow;let te=!1,f,b;const Dn=()=>{b?.(),b=void 0,f!==void 0&&(clearTimeout(f),f=void 0),p.remove(),u.remove()},S=m=>{te||(te=!0,Dn(),l(m))},Yn=()=>{te=!0,b?.(),b=void 0,f!==void 0&&(clearTimeout(f),f=void 0)};b=ct(p,()=>{S(new $("kcp-payment-frame-closed"))}),y.m_Completepayment=function(m){const K=m.elements.res_cd?.value??"",re=m.elements.res_msg?.value??"";if(K==="0000"){Yn();const h=y.document.forms.namedItem("order_info"),C=h&&h!==m?h:m;if(h&&h!==m)for(let ae=0;ae<m.elements.length;ae++){const I=m.elements[ae];if(!I.name)continue;let w=h.elements.namedItem(I.name);w||(w=y.document.createElement("input"),w.type="hidden",w.name=I.name,h.appendChild(w)),w.value=I.value}C.action=a,C.method="POST",C.target="_top",y.document.body.appendChild(C),C.submit()}else{const h=K===""||K==="7777"||re.includes("취소");S(h?new $(re):new Error(`KCP 오류 [${K}]: ${re}`))}},y.__kcpFail=m=>{S(m)};const ne=p.contentDocument||y.document;ne.open(),ne.write(`<!DOCTYPE html><html><head>
 <script src="${e.sdk_url}"><\/script>
 </head><body style="margin:0;padding:0;background:transparent;">
 <form name="order_info">${c}</form>
@@ -14,4 +14,5 @@ try {
   window.__kcpFail && window.__kcpFail(e);
 }
 <\/script>
-</body></html>`),C.close(),h=window.setTimeout(()=>{v(new Error("KCP SDK load timeout"))},15e3),y.__kcpReady=()=>{h!==void 0&&(clearTimeout(h),h=void 0)}})}const _t={nhnkcp_payco:"PAYCO",nhnkcp_naverpay:"네이버페이",nhnkcp_naverpay_point:"네이버페이 포인트",nhnkcp_kakaopay:"카카오페이",nhnkcp_applepay:"Apple Pay"},gt="0 0 0 2px #ffffff, 0 0 0 5px rgba(0,0,0,0.55)";function ue(){return document.querySelector(".nhnkcp-easy-pay-btns")??null}function pe(){const e=ue();e&&e.querySelectorAll("button").forEach(t=>{t.style.boxShadow="",t.style.outline=""})}function wt(e){const t=ue();if(!t)return;const n=_t[e];t.querySelectorAll("button").forEach(r=>{r.textContent?.trim()===n?(r.style.boxShadow=gt,r.style.outline="none"):(r.style.boxShadow="",r.style.outline="")})}function Pt(e){const t=e.params?.paymentMethod;if(!t)return;const n=window.G7Core;if(M(t)&&!S()){const a=H();n?.state?.setLocal?.({paymentErrorMessage:a,isSubmittingOrder:!1}),n?.modal?.open?.("nhnkcp_payment_error_modal"),pe();return}const r=typeof t=="string"&&t.startsWith("nhnkcp_");n?.state?.setLocal?.({paymentMethod:t,serverPaymentMethod:r?"card":t}),r?wt(t):pe()}function kt(e){const t=document.createElement("textarea");t.value=e,t.setAttribute("readonly","readonly"),t.style.position="fixed",t.style.left="-9999px",t.style.top="0",document.body.appendChild(t),t.select();try{document.execCommand("copy")}finally{t.remove()}}async function bt(e){const t=String(e.params?.text??"");if(t!==""){if(navigator.clipboard&&typeof navigator.clipboard.writeText=="function"){await navigator.clipboard.writeText(t);return}kt(t)}}const me={requestPayment:le,setPaymentMethod:Pt,copyToClipboard:bt},ye="/api/modules/sirsoft-ecommerce/user/orders",Ct="sirsoft-nhnkcp",j="sirsoft-pay_nhnkcp",fe="nhnkcp_",b={info:(...e)=>console.info(`[${j}]`,...e),warn:(...e)=>console.warn(`[${j}]`,...e),error:(...e)=>console.error(`[${j}]`,...e)};function Nt(e){return typeof e=="string"?e:e instanceof URL?e.toString():typeof Request<"u"&&e instanceof Request?e.url:String(e)}function xt(e,t){return t?.method?t.method.toUpperCase():typeof Request<"u"&&e instanceof Request?e.method.toUpperCase():"GET"}function vt(e,t){if(t!=="POST")return!1;const n=e.split("?")[0].split("#")[0];return n===ye||n.endsWith(ye)}function Et(){return window.location.pathname+window.location.search+window.location.hash}function At(e,t){const n=JSON.stringify(t);return new Response(n,{status:e.status,statusText:e.statusText,headers:e.headers})}function St(e){return new Response(JSON.stringify({success:!1,message:e,error:e,errors:{payment_method:[e]}}),{status:422,statusText:"Unprocessable Content",headers:{"Content-Type":"application/json"}})}function he(e){try{return JSON.parse(e).payment_method}catch{return}}function Kt(e,t){try{const n=JSON.parse(e);return n.payment_method=t,JSON.stringify(n)}catch{return e}}function It(){if(typeof window>"u"||typeof window.fetch!="function")return;const e="__sirsoftNhnkcpInterceptorInstalled",t=window;if(t[e])return;t[e]=!0;const n="__sirsoftPgOriginalFetch";t[n]||(t[n]=window.fetch.bind(window));const r=t[n],a=window.fetch.bind(window);window.fetch=async function(i,s){const c=Nt(i),d=xt(i,s);if(!vt(c,d))return a(i,s);let l,u=s;if(s?.body&&typeof s.body=="string"){const p=he(s.body);typeof p=="string"&&p.startsWith(fe)&&(l=p,u={...s,body:Kt(s.body,"card")},b.info(`easy pay detected: replacing payment_method '${p}' → 'card'`))}if(!l)try{const p=window.G7Core?.state?.getLocal?.()?.paymentMethod;typeof p=="string"&&p.startsWith(fe)&&(l=p,b.info(`easy pay detected from local state: '${p}'`))}catch{}if(M(l)&&!S()){const p=H();return b.warn(p),St(p)}const y=await(l?r:a)(i,u);let x;try{x=y.clone()}catch{return y}let h=null;try{h=await x.json()}catch{return y}const f=h?.data;if(!f)return y;const se=f.requires_pg_payment===!0,v=f.pg_provider===Ct;if(!l&&(!se||!v)||l&&!f.order&&!f.pg_payment_data)return y;let w=f.pg_payment_data;if(!w&&l&&f.order){const p=f.order,g=p.options,k=g?.[0]?.product_name??String(p.order_number??""),I=(g?.length??0)>1?`${k} 외 ${(g?.length??0)-1}건`:k;w={order_number:p.order_number,order_name:I,amount:Math.floor(Number(p.total_due_amount??p.total_amount??0)),currency:"KRW",customer_name:p.orderer_name??null,customer_email:p.orderer_email??null,customer_phone:String(p.orderer_phone??"").replace(/[^0-9]/g,"")},b.info("pg_payment_data constructed from order (기본 PG가 타 PG)",{order_number:w.order_number,amount:w.amount})}if(!w)return b.warn("nhnkcp order detected but pg_payment_data missing"),y;b.info("intercepted order create response — opening PG popup");const C=f.order?{tax_amount:f.order.total_tax_amount??0,vat_amount:f.order.total_vat_amount??0,tax_free_amount:f.order.total_tax_free_amount??0}:{},_=!l&&u?.body&&typeof u.body=="string"?(()=>{const p=he(u.body);return p?{...w,pay_method:p,...C}:{...w,...C}})():{...w,...C};le({params:{pgPaymentData:_,paymentMethod:l}});const E={...h,data:{...f,requires_pg_payment:!1,redirect_url:Et()}};return At(y,E)},b.info("order response interceptor installed")}const Y="sirsoft-pay_nhnkcp",_e="__kcpOcReceiptInjectorInstalled",ge="kcp-oc-receipt-btn",Mt=/^\/shop\/orders\/([^/]+)\/complete$/;function we(){return localStorage.getItem("auth_token")}async function Tt(e){const t=we();if(!t)return null;try{const n=await fetch(`/api/modules/sirsoft-ecommerce/user/orders/${e}`,{headers:{Authorization:`Bearer ${t}`,Accept:"application/json"}});return n.ok?(await n.json())?.data?.payment??null:null}catch{return null}}async function q(e){const t=we();if(!t)return null;try{const n=await fetch(`/api/plugins/${Y}/user/orders/${e}/receipt`,{headers:{Authorization:`Bearer ${t}`,Accept:"application/json"}});return n.ok?await n.json():null}catch{return null}}function Pe(e,t,n){const r=document.createElement("button");return r.type="button",r.className=t,r.textContent=e,r.addEventListener("click",()=>n(r)),r}function $t(e){if(!e)return!1;const t=Array.from(document.querySelectorAll("div"));for(const n of t){const r=Array.from(n.children).filter(i=>i instanceof HTMLElement&&i.tagName==="SPAN");if(r.length<2)continue;const a=r[0].textContent?.trim();if(a!=="결제 방법"&&a!=="결제수단"&&a!=="결제 방식")continue;const o=r[r.length-1];return o.textContent?.trim()===e?(n.dataset.nhnkcpPaymentMethodRow="true",!0):(o.textContent=e,o.dataset.nhnkcpPaymentMethodPatched="true",n.dataset.nhnkcpPaymentMethodRow="true",!0)}return!1}async function Rt(e){if(document.getElementById(ge))return;const t=await Tt(e);if(!t||t.pg_provider!=="nhnkcp"||!t.transaction_id||!t.paid_at)return;const n=Array.from(document.querySelectorAll('button[type="button"]')).find(c=>c.className.includes("bg-blue-600"));if(!n?.parentElement)return;const r=await q(e);$t(r?.payment_method_display_label);const a=n.parentElement,o=Pe("영수증 조회",n.className.replace(/bg-blue-\d+/g,"bg-green-600").replace(/hover:bg-blue-\d+/g,"hover:bg-green-700"),async c=>{c.disabled=!0,c.textContent="로딩 중...";const d=await q(e);if(c.disabled=!1,c.textContent="영수증 조회",d){const l=window.KcpReceiptPopup;l&&new l({url:d.receipt_url??void 0})}});o.id=ge;const i=a.lastElementChild;a.insertBefore(o,i);const s="kcp-oc-cash-receipt-btn";if(!document.getElementById(s)&&(t.payment_method==="vbank"||t.payment_method==="bank_transfer")){const c=Pe("현금영수증 조회",o.className.replace(/bg-green-\d+/g,"bg-teal-600").replace(/hover:bg-green-\d+/g,"hover:bg-teal-700"),async d=>{d.disabled=!0,d.textContent="로딩 중...";const l=await q(e);if(d.disabled=!1,d.textContent="현금영수증 조회",l){const u=window.KcpReceiptPopup;u&&new u({cash_url:l.cash_receipt_url??void 0})}});c.id=s,a.insertBefore(c,i)}console.info(`[${Y}] receipt button injected on order complete page`)}function Ot(){const t=location.pathname.match(Mt);t&&Rt(t[1])}function Lt(){if(typeof window>"u")return;const e=window;if(e[_e])return;e[_e]=!0,console.info(`[${Y}] order complete receipt injector installed`);const t=(r=1200)=>setTimeout(Ot,r);document.readyState==="loading"?document.addEventListener("DOMContentLoaded",()=>t()):t();const n=history.pushState.bind(history);history.pushState=(...r)=>{n(...r),t()},window.addEventListener("popstate",()=>t(500))}const P="sirsoft-pay_nhnkcp",ke="__kcpMpShowInjectorInstalled",F="kcp-mp-vbank-row",G="kcp-mp-receipt-row",T="kcp-mp-mock-deposit",Ht=/^\/mypage\/orders\/([^/]+)$/;function Bt(e){try{const n=window.G7Core?.getState,o=n?.()?.currentDataContext?.order?.data;return!o||o.order_number!==e?null:o}catch{return null}}function be(){return localStorage.getItem("auth_token")}async function Ce(e){const t=be();if(!t)return null;try{const n=await fetch(`/api/plugins/${P}/user/orders/${e}/receipt`,{headers:{Authorization:`Bearer ${t}`,Accept:"application/json"}});return n.ok?await n.json():null}catch{return null}}async function Ne(e){const t=be();if(!t)return null;try{const n=await fetch(`/api/plugins/${P}/user/orders/${e}/vbank-mock-deposit-info`,{headers:{Authorization:`Bearer ${t}`,Accept:"application/json"}});return n.ok?await n.json():null}catch{return null}}function xe(e){const t=document.createElement("div");t.id=T,t.className="pt-4 mt-2 border-t border-dashed border-orange-300 dark:border-orange-700";const n=document.createElement("div");n.className="flex items-center gap-2 mb-3";const r=document.createElement("span");r.className="inline-flex items-center px-2 py-0.5 rounded text-xs font-bold bg-orange-100 text-orange-700 dark:bg-orange-900/40 dark:text-orange-300 border border-orange-300 dark:border-orange-700",r.textContent="TEST";const a=document.createElement("p");a.className="text-sm font-semibold text-orange-700 dark:text-orange-300",a.textContent="모의입금처리",n.appendChild(r),n.appendChild(a);const o=document.createElement("form");o.method="POST",o.action=e.mock_url??"",o.target="_blank",o.className="space-y-2";const i=[{label:"KCP 거래번호",name:"e_trade_no",value:e.trade_no??""},{label:"입금계좌",name:"deposit_no",value:e.account_no??""},{label:"입금자명",name:"req_name",value:"NHN KCP",editable:!0},{label:"입금통보 URL",name:"noti_url",value:e.notify_url??""}];for(const d of i){const l=document.createElement("div");l.className="flex items-center gap-2 text-sm";const u=document.createElement("span");u.className="w-28 flex-shrink-0 text-gray-500 dark:text-gray-400 text-xs",u.textContent=d.label;const m=document.createElement("input");m.type="text",m.name=d.name,m.value=d.value,m.readOnly=!d.editable,m.className=d.editable?"flex-1 px-2 py-1 text-xs border border-gray-300 dark:border-gray-600 rounded bg-white dark:bg-gray-700 text-gray-900 dark:text-white font-mono":"flex-1 px-2 py-1 text-xs border border-gray-200 dark:border-gray-700 rounded bg-gray-50 dark:bg-gray-800 text-gray-700 dark:text-gray-300 font-mono",l.appendChild(u),l.appendChild(m),o.appendChild(l)}const s=document.createElement("div");s.className="pt-1";const c=document.createElement("button");if(c.type="submit",c.className="w-full py-1.5 text-xs font-semibold rounded border border-orange-400 dark:border-orange-600 bg-orange-50 dark:bg-orange-900/30 text-orange-700 dark:text-orange-300 hover:bg-orange-100 dark:hover:bg-orange-900/50 transition-colors",c.textContent="입금통보 테스트",s.appendChild(c),o.appendChild(s),t.appendChild(n),t.appendChild(o),e.is_admin_view){const d=document.createElement("p");d.className="mt-2 text-xs text-center text-orange-500 dark:text-orange-400 font-medium",d.textContent="관리자에게만 출력되는 내용",t.appendChild(d)}return t}function ve(){const e=document.getElementById("order_payment_info_panel");if(e)return Array.from(e.children).find(o=>o.className?.includes("space-y"))??e;const t=Array.from(document.querySelectorAll("h3")).find(a=>a.textContent?.includes("결제 정보"));if(!t)return null;const n=t.parentElement?.parentElement;return n?Array.from(n.children).find(a=>a.className?.includes("space-y"))??n:null}function K(e,t,n="font-medium text-gray-900 dark:text-white"){const r=document.createElement("div");r.className="flex items-center justify-between text-sm";const a=document.createElement("span");a.className="text-gray-500 dark:text-gray-400",a.textContent=e;const o=document.createElement("span");return o.className=n,o.textContent=t,r.appendChild(a),r.appendChild(o),r}function Dt(e,t){if(!t)return!1;const n=Array.from(e.querySelectorAll("div"));for(const r of n){const a=Array.from(r.children).filter(s=>s instanceof HTMLElement&&s.tagName==="SPAN");if(a.length<2)continue;const o=a[0].textContent?.trim();if(o!=="결제 방법"&&o!=="결제수단"&&o!=="Payment Method")continue;const i=a[a.length-1];return i.textContent?.trim()===t?(r.dataset.nhnkcpPaymentMethodRow="true",!0):(i.textContent=t,i.dataset.nhnkcpPaymentMethodPatched="true",r.dataset.nhnkcpPaymentMethodRow="true",!0)}return!1}function jt(e,t){const n=document.createElement("div");n.id=F,n.className="pt-4 mt-2 border-t border-gray-200 dark:border-gray-700 space-y-3";const r=document.createElement("p");r.className="text-sm font-semibold text-gray-800 dark:text-gray-200",r.textContent="가상계좌 입금 안내";const a=document.createElement("div");a.className="space-y-1.5",a.appendChild(K("은행",e.vbank_name??"")),a.appendChild(K("계좌번호",e.vbank_number??"","font-medium text-gray-900 dark:text-white font-mono tracking-wide")),a.appendChild(K("예금주",e.vbank_holder??"")),a.appendChild(K("입금 금액",t)),e.due_date_formatted&&a.appendChild(K("입금 기한",e.due_date_formatted));const o=document.createElement("p");return o.className="text-xs text-amber-600 dark:text-amber-400",o.textContent="입금 기한 내에 입금하지 않으시면 주문이 자동 취소됩니다.",n.appendChild(r),n.appendChild(a),n.appendChild(o),n}function Yt(e){const t=document.createElement("div");t.id=G,t.className="pt-4 mt-2 border-t border-gray-200 dark:border-gray-700";const n=document.createElement("div");n.className="flex items-center justify-between";const r=document.createElement("span");r.className="text-gray-500 dark:text-gray-400 text-sm",r.textContent="영수증";const a=document.createElement("button");return a.type="button",a.className="inline-flex items-center gap-1 text-sm text-blue-600 dark:text-blue-400 hover:underline disabled:opacity-50",a.textContent="영수증 조회",a.addEventListener("click",async()=>{a.disabled=!0,a.textContent="로딩 중...";const o=await Ce(e);if(a.disabled=!1,a.textContent="영수증 조회",o){const i=window.KcpReceiptPopup;i&&new i({url:o.receipt_url,cash_url:o.cash_receipt_url})}}),n.appendChild(r),n.appendChild(a),t.appendChild(n),t}async function qt(e){const t=Bt(e);if(!t){if(!document.getElementById(T)){const m=ve();if(!m)return!1;const y=await Ne(e);y?.available&&(m.appendChild(xe(y)),console.info(`[${P}] mock deposit form injected on mypage order show`))}return!0}const{payment:n}=t;if(!n||n.pg_provider!=="nhnkcp")return!0;const r=n.payment_method==="vbank"&&!!n.vbank_name,a=!!n.transaction_id&&!!n.paid_at,o=n.payment_method==="vbank"&&!!n.vbank_number,i=!r||!!document.getElementById(F),s=!a||!!document.getElementById(G),c=!o||!!document.getElementById(T);if(i&&s&&c)return!0;const d=ve();if(!d)return!1;const l=a?await Ce(e):null,u=Dt(d,l?.payment_method_display_label);if(!document.getElementById(F)&&r)return d.appendChild(jt(n,t.total_amount_formatted??"")),console.info(`[${P}] vbank info injected on mypage order show`),!1;if(!document.getElementById(G)&&a)return d.appendChild(Yt(e)),console.info(`[${P}] receipt button injected on mypage order show`),!1;if(u&&console.info(`[${P}] payment method display patched on mypage order show`),!document.getElementById(T)&&o){const m=await Ne(e);if(m?.available)d.appendChild(xe(m)),console.info(`[${P}] mock deposit form injected on mypage order show`);else return!0}return!0}function Ft(e){let t=0;const n=setInterval(()=>{t++,qt(e).then(r=>{(r||t>=30)&&clearInterval(n)})},400)}function Gt(){const e=location.pathname.match(Ht);e&&Ft(e[1])}function Wt(){if(typeof window>"u")return;const e=window;if(e[ke])return;e[ke]=!0,console.info(`[${P}] mypage order show injector installed`);const t=(r=1500)=>setTimeout(Gt,r);document.readyState==="loading"?document.addEventListener("DOMContentLoaded",()=>t()):t();const n=history.pushState.bind(history);history.pushState=(...r)=>{n(...r),t(600)},window.addEventListener("popstate",()=>t(500))}const Ut="sirsoft-pay_nhnkcp",Ee="__kcpCheckoutEasyPayInjectorInstalled",zt=/^\/shop\/checkout\/?$/,Ae="__kcpCheckoutEasyPaySyncListenerAttached",Vt=200,Jt=120,Se=[{id:"nhnkcp_payco",configKey:"PAYCO",labels:["PAYCO (NHN KCP)","PAYCO NHN KCP 간편결제","PAYCO로 결제 (NHN KCP)","Pay with PAYCO (NHN 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H="sirsoft-pay_nhnkcp",pe="__kcpOcReceiptInjectorInstalled",me="kcp-oc-receipt-btn",xt=/^\/shop\/orders\/([^/]+)\/complete$/;function ye(){return localStorage.getItem("auth_token")}async function vt(e){const t=ye();if(!t)return null;try{const n=await fetch(`/api/modules/sirsoft-ecommerce/user/orders/${e}`,{headers:{Authorization:`Bearer ${t}`,Accept:"application/json"}});return n.ok?(await n.json())?.data?.payment??null:null}catch{return null}}async function L(e){const t=ye();if(!t)return null;try{const n=await fetch(`/api/plugins/${H}/user/orders/${e}/receipt`,{headers:{Authorization:`Bearer ${t}`,Accept:"application/json"}});return n.ok?await n.json():null}catch{return null}}function fe(e,t,n){const r=document.createElement("button");return r.type="button",r.className=t,r.textContent=e,r.addEventListener("click",()=>n(r)),r}function Et(e){if(!e)return!1;const t=Array.from(document.querySelectorAll("div"));for(const n of t){const r=Array.from(n.children).filter(i=>i instanceof HTMLElement&&i.tagName==="SPAN");if(r.length<2)continue;const a=r[0].textContent?.trim();if(a!=="결제 방법"&&a!=="결제수단"&&a!=="결제 방식")continue;const o=r[r.length-1];return o.textContent?.trim()===e?(n.dataset.nhnkcpPaymentMethodRow="true",!0):(o.textContent=e,o.dataset.nhnkcpPaymentMethodPatched="true",n.dataset.nhnkcpPaymentMethodRow="true",!0)}return!1}async function At(e){if(document.getElementById(me))return;const t=await vt(e);if(!t||t.pg_provider!=="nhnkcp"||!t.transaction_id||!t.paid_at)return;const n=Array.from(document.querySelectorAll('button[type="button"]')).find(c=>c.className.includes("bg-blue-600"));if(!n?.parentElement)return;const r=await L(e);Et(r?.payment_method_display_label);const a=n.parentElement,o=fe("영수증 조회",n.className.replace(/bg-blue-\d+/g,"bg-green-600").replace(/hover:bg-blue-\d+/g,"hover:bg-green-700"),async c=>{c.disabled=!0,c.textContent="로딩 중...";const d=await L(e);if(c.disabled=!1,c.textContent="영수증 조회",d){const l=window.KcpReceiptPopup;l&&new l({url:d.receipt_url??void 0})}});o.id=me;const i=a.lastElementChild;a.insertBefore(o,i);const s="kcp-oc-cash-receipt-btn";if(!document.getElementById(s)&&(t.payment_method==="vbank"||t.payment_method==="bank_transfer")){const c=fe("현금영수증 조회",o.className.replace(/bg-green-\d+/g,"bg-teal-600").replace(/hover:bg-green-\d+/g,"hover:bg-teal-700"),async d=>{d.disabled=!0,d.textContent="로딩 중...";const l=await L(e);if(d.disabled=!1,d.textContent="현금영수증 조회",l){const u=window.KcpReceiptPopup;u&&new u({cash_url:l.cash_receipt_url??void 0})}});c.id=s,a.insertBefore(c,i)}console.info(`[${H}] receipt button injected on order complete page`)}function St(){const t=location.pathname.match(xt);t&&At(t[1])}function Kt(){if(typeof window>"u")return;const e=window;if(e[pe])return;e[pe]=!0,console.info(`[${H}] order complete receipt injector installed`);const t=(r=1200)=>setTimeout(St,r);document.readyState==="loading"?document.addEventListener("DOMContentLoaded",()=>t()):t();const n=history.pushState.bind(history);history.pushState=(...r)=>{n(...r),t()},window.addEventListener("popstate",()=>t(500))}const g="sirsoft-pay_nhnkcp",he="__kcpMpShowInjectorInstalled",O="kcp-mp-vbank-row",B="kcp-mp-receipt-row",x="kcp-mp-mock-deposit",It=/^\/mypage\/orders\/([^/]+)$/;function Mt(e){try{const n=window.G7Core?.getState,o=n?.()?.currentDataContext?.order?.data;return!o||o.order_number!==e?null:o}catch{return null}}function ge(){return localStorage.getItem("auth_token")}async function _e(e){const t=ge();if(!t)return null;try{const n=await fetch(`/api/plugins/${g}/user/orders/${e}/receipt`,{headers:{Authorization:`Bearer ${t}`,Accept:"application/json"}});return n.ok?await n.json():null}catch{return null}}async function we(e){const t=ge();if(!t)return null;try{const n=await fetch(`/api/plugins/${g}/user/orders/${e}/vbank-mock-deposit-info`,{headers:{Authorization:`Bearer ${t}`,Accept:"application/json"}});return n.ok?await n.json():null}catch{return null}}function Pe(e){const t=document.createElement("div");t.id=x,t.className="pt-4 mt-2 border-t border-dashed border-orange-300 dark:border-orange-700";const n=document.createElement("div");n.className="flex items-center gap-2 mb-3";const r=document.createElement("span");r.className="inline-flex items-center px-2 py-0.5 rounded text-xs font-bold bg-orange-100 text-orange-700 dark:bg-orange-900/40 dark:text-orange-300 border border-orange-300 dark:border-orange-700",r.textContent="TEST";const a=document.createElement("p");a.className="text-sm font-semibold text-orange-700 dark:text-orange-300",a.textContent="모의입금처리",n.appendChild(r),n.appendChild(a);const o=document.createElement("form");o.method="POST",o.action=e.mock_url??"",o.target="_blank",o.className="space-y-2";const i=[{label:"KCP 거래번호",name:"e_trade_no",value:e.trade_no??""},{label:"입금계좌",name:"deposit_no",value:e.account_no??""},{label:"입금자명",name:"req_name",value:"NHN KCP",editable:!0},{label:"입금통보 URL",name:"noti_url",value:e.notify_url??""}];for(const d of i){const l=document.createElement("div");l.className="flex items-center gap-2 text-sm";const u=document.createElement("span");u.className="w-28 flex-shrink-0 text-gray-500 dark:text-gray-400 text-xs",u.textContent=d.label;const p=document.createElement("input");p.type="text",p.name=d.name,p.value=d.value,p.readOnly=!d.editable,p.className=d.editable?"flex-1 px-2 py-1 text-xs border border-gray-300 dark:border-gray-600 rounded bg-white dark:bg-gray-700 text-gray-900 dark:text-white font-mono":"flex-1 px-2 py-1 text-xs border border-gray-200 dark:border-gray-700 rounded bg-gray-50 dark:bg-gray-800 text-gray-700 dark:text-gray-300 font-mono",l.appendChild(u),l.appendChild(p),o.appendChild(l)}const s=document.createElement("div");s.className="pt-1";const c=document.createElement("button");if(c.type="submit",c.className="w-full py-1.5 text-xs font-semibold rounded border border-orange-400 dark:border-orange-600 bg-orange-50 dark:bg-orange-900/30 text-orange-700 dark:text-orange-300 hover:bg-orange-100 dark:hover:bg-orange-900/50 transition-colors",c.textContent="입금통보 테스트",s.appendChild(c),o.appendChild(s),t.appendChild(n),t.appendChild(o),e.is_admin_view){const d=document.createElement("p");d.className="mt-2 text-xs text-center text-orange-500 dark:text-orange-400 font-medium",d.textContent="관리자에게만 출력되는 내용",t.appendChild(d)}return t}function ke(){const e=document.getElementById("order_payment_info_panel");if(e)return Array.from(e.children).find(o=>o.className?.includes("space-y"))??e;const t=Array.from(document.querySelectorAll("h3")).find(a=>a.textContent?.includes("결제 정보"));if(!t)return null;const n=t.parentElement?.parentElement;return n?Array.from(n.children).find(a=>a.className?.includes("space-y"))??n:null}function k(e,t,n="font-medium text-gray-900 dark:text-white"){const r=document.createElement("div");r.className="flex items-center justify-between text-sm";const a=document.createElement("span");a.className="text-gray-500 dark:text-gray-400",a.textContent=e;const o=document.createElement("span");return o.className=n,o.textContent=t,r.appendChild(a),r.appendChild(o),r}function Tt(e,t){if(!t)return!1;const n=Array.from(e.querySelectorAll("div"));for(const r of n){const a=Array.from(r.children).filter(s=>s instanceof HTMLElement&&s.tagName==="SPAN");if(a.length<2)continue;const o=a[0].textContent?.trim();if(o!=="결제 방법"&&o!=="결제수단"&&o!=="Payment Method")continue;const i=a[a.length-1];return i.textContent?.trim()===t?(r.dataset.nhnkcpPaymentMethodRow="true",!0):(i.textContent=t,i.dataset.nhnkcpPaymentMethodPatched="true",r.dataset.nhnkcpPaymentMethodRow="true",!0)}return!1}function $t(e,t){const n=document.createElement("div");n.id=O,n.className="pt-4 mt-2 border-t border-gray-200 dark:border-gray-700 space-y-3";const r=document.createElement("p");r.className="text-sm font-semibold text-gray-800 dark:text-gray-200",r.textContent="가상계좌 입금 안내";const a=document.createElement("div");a.className="space-y-1.5",a.appendChild(k("은행",e.vbank_name??"")),a.appendChild(k("계좌번호",e.vbank_number??"","font-medium text-gray-900 dark:text-white font-mono tracking-wide")),a.appendChild(k("예금주",e.vbank_holder??"")),a.appendChild(k("입금 금액",t)),e.due_date_formatted&&a.appendChild(k("입금 기한",e.due_date_formatted));const o=document.createElement("p");return o.className="text-xs text-amber-600 dark:text-amber-400",o.textContent="입금 기한 내에 입금하지 않으시면 주문이 자동 취소됩니다.",n.appendChild(r),n.appendChild(a),n.appendChild(o),n}function Rt(e){const t=document.createElement("div");t.id=B,t.className="pt-4 mt-2 border-t border-gray-200 dark:border-gray-700";const n=document.createElement("div");n.className="flex items-center justify-between";const r=document.createElement("span");r.className="text-gray-500 dark:text-gray-400 text-sm",r.textContent="영수증";const a=document.createElement("button");return a.type="button",a.className="inline-flex items-center gap-1 text-sm text-blue-600 dark:text-blue-400 hover:underline disabled:opacity-50",a.textContent="영수증 조회",a.addEventListener("click",async()=>{a.disabled=!0,a.textContent="로딩 중...";const o=await _e(e);if(a.disabled=!1,a.textContent="영수증 조회",o){const i=window.KcpReceiptPopup;i&&new i({url:o.receipt_url,cash_url:o.cash_receipt_url})}}),n.appendChild(r),n.appendChild(a),t.appendChild(n),t}async function Ht(e){const t=Mt(e);if(!t){if(!document.getElementById(x)){const p=ke();if(!p)return!1;const y=await we(e);y?.available&&(p.appendChild(Pe(y)),console.info(`[${g}] mock deposit form injected on mypage order show`))}return!0}const{payment:n}=t;if(!n||n.pg_provider!=="nhnkcp")return!0;const r=n.payment_method==="vbank"&&!!n.vbank_name,a=!!n.transaction_id&&!!n.paid_at,o=n.payment_method==="vbank"&&!!n.vbank_number,i=!r||!!document.getElementById(O),s=!a||!!document.getElementById(B),c=!o||!!document.getElementById(x);if(i&&s&&c)return!0;const d=ke();if(!d)return!1;const l=a?await _e(e):null,u=Tt(d,l?.payment_method_display_label);if(!document.getElementById(O)&&r)return d.appendChild($t(n,t.total_amount_formatted??"")),console.info(`[${g}] vbank info injected on mypage order show`),!1;if(!document.getElementById(B)&&a)return d.appendChild(Rt(e)),console.info(`[${g}] receipt button injected on mypage order show`),!1;if(u&&console.info(`[${g}] payment method display patched on mypage order show`),!document.getElementById(x)&&o){const p=await we(e);if(p?.available)d.appendChild(Pe(p)),console.info(`[${g}] mock deposit form injected on mypage order show`);else return!0}return!0}function Lt(e){let t=0;const n=setInterval(()=>{t++,Ht(e).then(r=>{(r||t>=30)&&clearInterval(n)})},400)}function Ot(){const e=location.pathname.match(It);e&&Lt(e[1])}function Bt(){if(typeof window>"u")return;const e=window;if(e[he])return;e[he]=!0,console.info(`[${g}] mypage order show injector installed`);const t=(r=1500)=>setTimeout(Ot,r);document.readyState==="loading"?document.addEventListener("DOMContentLoaded",()=>t()):t();const n=history.pushState.bind(history);history.pushState=(...r)=>{n(...r),t(600)},window.addEventListener("popstate",()=>t(500))}const jt="sirsoft-pay_nhnkcp",be="__kcpCheckoutEasyPayInjectorInstalled",Dt=/^\/shop\/checkout\/?$/,Ce="__kcpCheckoutEasyPaySyncListenerAttached",Yt=200,qt=120,Ne=[{id:"nhnkcp_payco",configKey:"PAYCO",labels:["PAYCO (NHN KCP)","PAYCO NHN KCP 간편결제","PAYCO로 결제 (NHN KCP)","Pay with PAYCO (NHN KCP)"],ko:{heading:"PAYCO",description:"PAYCO로 결제 (NHN KCP)",title:"PAYCO로 결제 (NHN KCP)"},en:{heading:"PAYCO",description:"Pay with PAYCO (NHN KCP)",title:"Pay with PAYCO (NHN KCP)"},markText:"P",markClassName:"bg-red-500 text-white"},{id:"nhnkcp_naverpay",configKey:"NAVERPAY",labels:["네이버페이 (NHN KCP)","네이버페이 신용카드로 결제 (NHN KCP)","NaverPay NHN KCP 간편결제","Naver Pay (NHN KCP)","NaverPay (NHN KCP)","Pay by Naver Pay credit card (NHN KCP)"],ko:{heading:"네이버페이 (카드)",description:"네이버페이 신용카드로 결제 (NHN KCP)",title:"네이버페이 신용카드로 결제 (NHN KCP)"},en:{heading:"Naver Pay (Card)",description:"Pay by Naver Pay credit card (NHN KCP)",title:"Pay by Naver Pay credit card (NHN KCP)"},markText:"N",markClassName:"bg-green-500 text-white"},{id:"nhnkcp_naverpay_point",configKey:"NAVERPAY POINT",labels:["네이버페이 포인트 (NHN KCP)","네이버페이 머니/포인트로 결제 (NHN KCP)","NaverPay 포인트 NHN KCP 포인트 간편결제","Naver Pay Point (NHN KCP)","NaverPay Point (NHN KCP)","Pay with Naver Pay Money/Points (NHN KCP)"],ko:{heading:"네이버페이 (포인트)",description:"네이버페이 머니/포인트로 결제 (NHN KCP)",title:"네이버페이 머니/포인트로 결제 (NHN KCP)"},en:{heading:"Naver Pay (Point)",description:"Pay with Naver Pay Money/Points (NHN KCP)",title:"Pay with Naver Pay Money/Points (NHN KCP)"},markText:"NP",markClassName:"bg-green-600 text-white"},{id:"nhnkcp_kakaopay",configKey:"KAKAOPAY",labels:["카카오페이 (NHN KCP)","카카오페이로 결제 (NHN KCP)","KakaoPay NHN KCP 간편결제","Kakao Pay (NHN KCP)","KakaoPay (NHN KCP)","Pay with Kakao Pay (NHN KCP)"],ko:{heading:"카카오페이",description:"카카오페이로 결제 (NHN KCP)",title:"카카오페이로 결제 (NHN KCP)"},en:{heading:"Kakao Pay",description:"Pay with Kakao Pay (NHN KCP)",title:"Pay with Kakao Pay (NHN KCP)"},markText:"K",markClassName:"bg-yellow-400 text-gray-950"},{id:"nhnkcp_applepay",configKey:"APPLEPAY",labels:["애플페이 (NHN KCP)","애플페이로 결제 (NHN KCP)","Apple Pay NHN KCP 간편결제","Apple Pay (NHN KCP)","Pay with Apple Pay (NHN KCP)"],ko:{heading:"애플페이",description:"애플페이로 결제 (NHN KCP)",title:"애플페이로 결제 (NHN KCP)"},en:{heading:"Apple Pay",description:"Pay with Apple Pay (NHN KCP)",title:"Pay with Apple Pay (NHN KCP)"},markText:"A",markClassName:"bg-gray-900 text-white"}];let xe=null,v=null,j=!1;function Ft(){return window}function D(){return Dt.test(window.location.pathname)}function Gt(e){return(e??"").replace(/\s+/g," ").trim()}function Ut(){return(document.documentElement.lang||navigator.language||"").toLowerCase().startsWith("ko")}function Wt(e){return Ut()?e.ko:e.en}function ve(e){return e.replaceAll("네이버페이","네이​버페이").replaceAll("카카오페이","카카​오페이").replaceAll("Naver Pay","Naver​ Pay").replaceAll("Kakao Pay","Kakao​ Pay")}function Ee(e){return Ne.find(t=>t.id===e)??null}function zt(e){const t=Ee(e.dataset.nhnkcpEasyPayMethod);if(t)return t;const n=Gt(e.textContent);return Ne.find(r=>r.labels.some(a=>n.includes(a)))??null}function Ae(e){return e.querySelector(".flex.items-center.gap-2, .flex.items-center.gap-3")??e.querySelector(".flex.items-center")}function Vt(e,t,n){e.style.textAlign="left";const r=Ae(e);r&&(r.style.justifyContent="flex-start",r.style.textAlign="left",r.style.width="100%");const a=t?.parentElement??n?.parentElement;a instanceof HTMLElement&&(a.style.textAlign="left",a.style.minWidth="0")}function Jt(e){const t=document.createElement("span");return t.dataset.nhnkcpEasyPayMark="true",t.dataset.nhnkcpEasyPayMethod=e.id,t.setAttribute("aria-hidden","true"),t.className=`inline-flex items-center justify-center rounded-lg text-xs font-bold ${e.markClassName}`,t.style.width="32px",t.style.height="32px",t.style.flex="0 0 32px",t.textContent=e.markText,t}function Qt(e){delete e.dataset.kginicisBrandPaymentButton,delete e.dataset.kginicisBrandPaymentMethod,delete e.dataset.kginicisNaverpayBrandButton,e.querySelectorAll('[data-kginicis-brand-payment-mark="true"], [data-kginicis-naverpay-mark="true"]').forEach(t=>{t.remove()}),e.querySelectorAll("[data-kginicis-brand-payment-heading], [data-kginicis-brand-payment-description], [data-kginicis-naverpay-heading], [data-kginicis-naverpay-description]").forEach(t=>{delete t.dataset.kginicisBrandPaymentHeading,delete t.dataset.kginicisBrandPaymentDescription,delete t.dataset.kginicisNaverpayHeading,delete t.dataset.kginicisNaverpayDescription})}function Xt(e){return e.querySelector('[data-kginicis-brand-payment-mark="true"], [data-kginicis-naverpay-mark="true"]')??e.querySelector('[data-nhnkcp-easy-pay-mark="true"]')??e.querySelector("svg")??e.querySelector('i[class*="fa-"], i[role="img"], i')}function Zt(e,t){const n=e.querySelector('[data-nhnkcp-easy-pay-mark="true"]');if(n){n.dataset.nhnkcpEasyPayMethod=t.id,n.className=`inline-flex items-center justify-center rounded-lg text-xs font-bold ${t.markClassName}`,n.textContent=t.markText;return}const r=Jt(t),a=Xt(e);if(a&&a.parentElement){a.replaceWith(r);return}Ae(e)?.prepend(r)}function en(e,t){const n=Array.from(e.querySelectorAll("p")),r=Wt(t),a=ve(r.heading),o=ve(r.description),i=n[0],s=n[1];i&&i.textContent!==a&&(i.textContent=a),i&&(i.setAttribute("aria-label",r.heading),i.style.textAlign="left",i.style.whiteSpace="normal",i.style.wordBreak="keep-all",i.style.overflowWrap="anywhere"),s&&s.textContent!==o&&(s.textContent=o),s&&(s.style.textAlign="left",s.style.fontSize="12px",s.style.lineHeight="1rem",s.style.whiteSpace="normal",s.style.wordBreak="keep-all",s.style.overflowWrap="anywhere"),Vt(e,i,s),e.title=r.title}function Se(e,t){if(N(t.id)&&!P()){e.hidden=!0,e.disabled=!0,e.style.display="none",e.setAttribute("aria-hidden","true"),e.dataset.nhnkcpEasyPayMethod=t.id,e.dataset.nhnkcpEasyPayHidden="true",delete e.dataset.nhnkcpEasyPayVisible;return}e.hidden&&(e.hidden=!1),e.disabled&&(e.disabled=!1),e.style.display==="none"&&e.style.removeProperty("display"),e.removeAttribute("aria-hidden"),e.dataset.nhnkcpEasyPayMethod=t.id,e.dataset.nhnkcpEasyPayVisible="true",delete e.dataset.nhnkcpEasyPayHidden,Qt(e),Zt(e,t),en(e,t)}function tn(e){const t={kginicis_naverpay:["nhnkcp_naverpay","nhnkcp_naverpay_point"],kginicis_kakaopay:["nhnkcp_kakaopay"]};let n=!1;return Object.entries(t).forEach(([r,a])=>{Array.from(e.querySelectorAll(`button[data-kginicis-brand-payment-method="${r}"]`)).filter(i=>!i.dataset.nhnkcpEasyPayMethod).slice(1).forEach((i,s)=>{const c=Ee(a[s]);c&&(Se(i,c),n=!0)})}),n}async function Y(e=document){if(typeof window>"u"||typeof document>"u"||!D())return!1;let t=!1;return e.querySelectorAll("button").forEach(n=>{const r=zt(n);r&&(Se(n,r),t=!0)}),tn(e)&&(t=!0),t}function nn(){j||(j=!0,window.setTimeout(()=>{j=!1,Y()},0))}function Ke(){v!==null&&(window.clearInterval(v),v=null)}function q(){if(!D())return;Ke(),Y();let e=0;v=window.setInterval(()=>{e+=1,Y(),e>=qt&&Ke()},Yt);const t=document.body;t[Ce]||(t[Ce]=!0,xe=new MutationObserver(()=>nn()),xe.observe(document.body,{childList:!0,subtree:!0,characterData:!0}))}function Ie(){D()&&q()}function rn(){if(typeof window>"u"||typeof document>"u")return;const e=Ft();if(e[be])return;e[be]=!0,console.info(`[${jt}] checkout easy pay method sync installed`),document.readyState==="loading"?document.addEventListener("DOMContentLoaded",()=>q()):q();const t=history.pushState.bind(history);history.pushState=(...n)=>{t(...n),window.setTimeout(()=>Ie(),200)},window.addEventListener("popstate",()=>window.setTimeout(()=>Ie(),200))}const an="sirsoft-pay_nhnkcp",Me="__kcpAdminApplePayNoticeInjectorInstalled",on=/^\/admin\/ecommerce\/settings\/?$/,Te="__kcpAdminApplePayNoticeListenerAttached",sn="애플페이는 IOS 기기에 모바일결제만 가능합니다.",cn="Apple Pay is available only for mobile payments on iOS devices.";let $e=null,E=null,F=!1;function dn(){return window}function G(){if(!on.test(window.location.pathname))return!1;const e=new URLSearchParams(window.location.search).get("tab");return e===null||e==="order_settings"}function Re(){return(document.documentElement.lang||navigator.language||"").toLowerCase().startsWith("ko")?sn:cn}function He(e){return(e??"").replace(/\s+/g," ").trim()}function ln(e){const t=He(e.textContent);return t==="애플페이"||t==="Apple Pay"}function un(){const e=document.createElement("span");return e.dataset.nhnkcpAdminApplePayNotice="true",e.className="text-label-subtle",e.style.display="block",e.style.width="100%",e.style.flexBasis="100%",e.style.marginTop="2px",e.style.fontSize="12px",e.style.lineHeight="1rem",e.textContent=Re(),e}function U(e=document){if(typeof window>"u"||typeof document>"u"||!G()||He(document.body?.innerText??document.body?.textContent).includes(Re()))return!1;const n=Array.from(e.querySelectorAll("span, p, div")).find(ln);return n?(n.insertAdjacentElement("afterend",un()),!0):!1}function pn(){F||(F=!0,window.setTimeout(()=>{F=!1,U()},0))}function Le(){E!==null&&(window.clearInterval(E),E=null)}function W(){if(!G())return;Le(),U();let e=0;E=window.setInterval(()=>{e+=1,(U()||e>=50)&&Le()},200);const t=document.body;t[Te]||(t[Te]=!0,$e=new MutationObserver(()=>pn()),$e.observe(document.body,{childList:!0,subtree:!0,characterData:!0}))}function Oe(){G()&&W()}function mn(){if(typeof window>"u"||typeof document>"u")return;const e=dn();if(e[Me])return;e[Me]=!0,console.info(`[${an}] admin Apple Pay notice injector installed`),document.readyState==="loading"?document.addEventListener("DOMContentLoaded",()=>W()):W();const t=history.pushState.bind(history);history.pushState=(...n)=>{t(...n),window.setTimeout(()=>Oe(),200)},window.addEventListener("popstate",()=>window.setTimeout(()=>Oe(),200))}const yn="sirsoft-pay_nhnkcp",Be="__nhnkcpAdminPaymentMethodBrandInjectorInstalled",je="__nhnkcpAdminPaymentMethodBrandSyncListenerAttached",fn=/^\/admin\/ecommerce\/settings\/?$/,De='[data-nhnkcp-admin-payment-brand-mark="true"]',hn=200,gn=120,_n=[{id:"nhnkcp_payco",labels:["PAYCO (NHN KCP)","PAYCO로 결제 (NHN KCP)","Pay with PAYCO (NHN KCP)"],shortLabels:["PAYCO"],markLines:["P"],markClassName:"bg-red-500 text-white"},{id:"nhnkcp_naverpay",labels:["네이버페이 (NHN KCP)","네이버페이 신용카드로 결제 (NHN KCP)","Naver Pay (NHN KCP)","Pay by Naver Pay credit card (NHN KCP)"],shortLabels:["네이버페이 (카드)","Naver Pay (Card)"],markLines:["N"],markClassName:"bg-green-500 text-white"},{id:"nhnkcp_naverpay_point",labels:["네이버페이 포인트 (NHN KCP)","네이버페이 머니/포인트로 결제 (NHN KCP)","Naver Pay Point (NHN KCP)","Pay with Naver Pay Money/Points (NHN KCP)"],shortLabels:["네이버페이 (포인트)","Naver Pay (Point)"],markLines:["NP"],markClassName:"bg-green-600 text-white"},{id:"nhnkcp_kakaopay",labels:["카카오페이 (NHN KCP)","카카오페이로 결제 (NHN KCP)","Kakao Pay (NHN KCP)","Pay with Kakao Pay (NHN KCP)"],shortLabels:["카카오페이","Kakao Pay"],markLines:["K"],markClassName:"bg-yellow-400 text-gray-950"},{id:"nhnkcp_applepay",labels:["애플페이 (NHN KCP)","애플페이로 결제 (NHN KCP)","Apple Pay (NHN KCP)","Pay with Apple Pay (NHN KCP)"],shortLabels:["애플페이","Apple Pay"],markLines:["A"],markClassName:"bg-gray-900 text-white"}];let Ye=null,A=null,z=!1;function wn(){return window}function V(){if(!fn.test(window.location.pathname))return!1;const e=new URLSearchParams(window.location.search).get("tab");return e===null||e===""||e==="order_settings"}function Pn(e){return e instanceof HTMLElement?e.className:""}function qe(e){return(e??"").replace(/\u200B/g,"").replace(/\s+/g," ").trim()}function kn(e){const t=Pn(e);return t.includes("excel-card")||t.includes("flex-center")&&t.includes("border")&&t.includes("gap-4")}function Fe(e){return e.querySelector(".font-medium")}function bn(e){const t=qe(Fe(e)?.textContent),n=qe(e.textContent);return _n.find(r=>r.shortLabels.some(a=>t===a)||r.labels.some(a=>n.includes(a)))??null}function Cn(e){return Array.from(e.querySelectorAll("div")).filter(kn)}function Nn(e){return Array.from(e.querySelectorAll("svg, [data-icon], i")).find(n=>!n.closest("[data-drag-handle]")&&!n.closest(De)&&!n.closest('.row-stack, .excel-card-body, button, select, [role="switch"]'))??null}function Ge(e,t){e.dataset.nhnkcpAdminPaymentBrandMark="true",e.dataset.nhnkcpAdminPaymentMethod=t.id,e.setAttribute("aria-hidden","true"),e.className=`inline-flex items-center justify-center rounded-lg font-bold ${t.markClassName}`,e.style.width="32px",e.style.height="32px",e.style.flex="0 0 32px",e.style.lineHeight="1",e.style.fontSize=t.markLines.join("").length>2?"9px":"12px";const n=t.markLines.join("");e.textContent!==n&&(e.replaceChildren(),t.markLines.length>1?(e.style.flexDirection="column",t.markLines.forEach(r=>{const a=document.createElement("span");a.style.lineHeight="1",a.textContent=r,e.appendChild(a)})):(e.style.removeProperty("flex-direction"),e.textContent=t.markLines[0]??""))}function xn(e){const t=document.createElement("span");return Ge(t,e),t}function vn(e,t){const n=e.querySelector(De);if(n instanceof HTMLSpanElement)return e.dataset.nhnkcpAdminPaymentMethod=t.id,Ge(n,t),!0;const r=xn(t),a=Nn(e);if(a&&a.parentElement)return e.dataset.nhnkcpAdminPaymentMethod=t.id,a.replaceWith(r),!0;const o=Fe(e);return o&&o.parentElement?(e.dataset.nhnkcpAdminPaymentMethod=t.id,o.parentElement.insertBefore(r,o),!0):!1}function J(e=document){if(typeof window>"u"||typeof document>"u"||!V())return!1;let t=!1;return Cn(e).forEach(n=>{const r=bn(n);r&&vn(n,r)&&(t=!0)}),t}function En(){z||(z=!0,window.setTimeout(()=>{z=!1,J()},0))}function Q(){A!==null&&(window.clearInterval(A),A=null)}function X(){if(!V())return;Q(),J();let e=0;A=window.setInterval(()=>{e+=1,J(),e>=gn&&Q()},hn);const t=document.body;t[je]||(t[je]=!0,Ye=new MutationObserver(()=>En()),Ye.observe(document.body,{childList:!0,subtree:!0,characterData:!0}))}function Ue(){if(V()){X();return}Q()}function An(){if(typeof window>"u"||typeof document>"u")return;const e=wn();if(e[Be])return;e[Be]=!0,console.info(`[${yn}] admin payment method brand sync installed`),document.readyState==="loading"?document.addEventListener("DOMContentLoaded",()=>X()):X();const t=history.pushState.bind(history);history.pushState=(...n)=>{t(...n),window.setTimeout(()=>Ue(),200)},window.addEventListener("popstate",()=>window.setTimeout(()=>Ue(),200))}const Z="sirsoft-pay_nhnkcp",We="__nhnkcpAdminPaymentDisplayInjectorInstalled",Sn=/^\/admin\/ecommerce\/orders\/([^/]+)$/;function Kn(){return localStorage.getItem("auth_token")}async function In(e){const t=Kn();if(!t)return null;try{const n=await fetch(`/api/plugins/${Z}/admin/orders/${e}/transaction-status`,{headers:{Authorization:`Bearer ${t}`,Accept:"application/json"}});if(!n.ok)return null;const r=await n.json();return("data"in r?r.data:r)??null}catch{return null}}function Mn(e){return Array.from(e.children).filter(t=>t instanceof HTMLElement)}function Tn(e,t){let n=!1;const r=Array.from(e.querySelectorAll("div"));for(const a of r){const o=Mn(a),i=o.findIndex(u=>u.textContent?.trim()==="결제수단");if(i<0)continue;const s=o.slice(i+1).find(u=>u.textContent?.trim()&&u.textContent.trim()!=="결제수단");if(!s)continue;const c=o.slice(i+2).find(u=>/^\(.+\)$/.test(u.textContent?.trim()??"")),d=c?.textContent?.trim().replace(/^\(|\)$/g,"")??"",l=d&&t.endsWith(")")?t.replace(/\)$/,`, ${d})`):t;s.textContent?.trim()!==l&&(s.textContent=l,s.dataset.nhnkcpPaymentMethodPatched="true"),a.dataset.nhnkcpPaymentMethodRow="admin-order",c&&d&&(c.textContent="",c.style.display="none",c.dataset.nhnkcpPaymentInstallmentHidden="true"),n=!0}return n}function $n(e,t,n){const a=Array.from(e.querySelectorAll("span")).filter(o=>o.textContent?.trim()===t).find(o=>{const i=typeof o.className=="string"?o.className:"";return i.includes("rounded-full")||i.includes("font-medium")});return a?(a.textContent=n,a.dataset.nhnkcpPaymentMethodPatched="true",a.dataset.nhnkcpPaymentMethodBadge="admin-order",!0):!1}function Rn(e,t){const n=t?._pay_method_label,r=t?._embedded_pg_provider_label,a=t?._base_pay_method_label;if(!n||!r)return!1;const o=Tn(e,n),i=a?$n(e,a,r):!1;return o||i}async function Hn(e){const t=document.getElementById("section_payment_info")??document.getElementById("payment_info_card");if(!t)return!1;const n=await In(e);return n&&Rn(t,n)&&console.info(`[${Z}] payment method display patched on admin order detail`),!0}function Ln(e){let t=0;const n=setInterval(()=>{t++,Hn(e).then(r=>{(r||t>=30)&&clearInterval(n)})},400)}function On(){const e=location.pathname.match(Sn);e&&Ln(e[1])}function Bn(){if(typeof window>"u")return;const e=window;if(e[We])return;e[We]=!0,console.info(`[${Z}] admin order payment display injector installed`);const t=(r=1500)=>setTimeout(On,r);document.readyState==="loading"?document.addEventListener("DOMContentLoaded",()=>t()):t();const n=history.pushState.bind(history);history.pushState=(...r)=>{n(...r),t(600)},window.addEventListener("popstate",()=>t(500))}class jn{constructor(t){const n="width=800,height=600,scrollbars=yes,resizable=yes,toolbar=no,menubar=no";t.url&&window.open(t.url,"kcp_receipt",n),t.cash_url&&window.open(t.cash_url,"kcp_cash_receipt",n)}}window.KcpReceiptPopup=jn;const _="sirsoft-pay_nhnkcp",ee={info:(...e)=>console.info(`[${_}]`,...e),warn:(...e)=>console.warn(`[${_}]`,...e),error:(...e)=>console.error(`[${_}]`,...e)};function ze(){const e=window.G7Core;if(!e)return 0;const t=e.getActionDispatcher;if(typeof t!="function")return 0;const n=t();if(!n||typeof n.registerHandler!="function")return 0;let r=0;for(const[a,o]of Object.entries(de)){const i=`${_}.${a}`;n.registerHandler(i,o,{category:"plugin",source:_}),r++}return r}function Ve(){const e=()=>{const t=ze();if(t>0){ee.info(`${t} handler(s) registered`);return}let n=0;const r=50,a=setInterval(()=>{n++;const o=ze();if(o>0){clearInterval(a),ee.info(`${o} handler(s) registered (after ${n} retries)`);return}n>=r&&(clearInterval(a),ee.warn("ActionDispatcher not available after timeout"))},100)};document.readyState==="loading"?document.addEventListener("DOMContentLoaded",e):e()}Nt(),Kt(),Bt(),rn(),mn(),An(),Bn(),Ve(),window.__SirsoftNhnkcp={identifier:_,handlers:Object.keys(de),initPlugin:Ve}})();
+//# sourceMappingURL=plugin.iife.js.map
diff --git a/plugins/_bundled/sirsoft-pay_nhnkcp/resources/js/__tests__/orderResponseInterceptor.test.ts b/plugins/_bundled/sirsoft-pay_nhnkcp/resources/js/__tests__/orderResponseInterceptor.test.ts
index 1ac801f3..0c37bb82 100644
--- a/plugins/_bundled/sirsoft-pay_nhnkcp/resources/js/__tests__/orderResponseInterceptor.test.ts
+++ b/plugins/_bundled/sirsoft-pay_nhnkcp/resources/js/__tests__/orderResponseInterceptor.test.ts
@@ -1,158 +1,125 @@
+/**
+ * 주문 생성 인터셉터 테스트 — 이슈 #475
+ *
+ * 확장 결제수단이 1급 시민이 되면서 인터셉터의 우회(요청 위장 · 응답 변조 · pgPaymentData
+ * 재구성)가 모두 제거됐다. 남은 책임은 서버가 알 수 없는 클라이언트 디바이스 조건 하나뿐:
+ * Apple Pay 는 iOS 모바일에서만 동작한다.
+ *
+ * 회귀 방지 대상:
+ *   - payment_method 를 'card' 로 위장하면 서버가 간편결제 주문을 "PG 결제가 아닌 주문"
+ *     으로 오인해 관리자 알림 오발송 + 임시주문 삭제(재결제 불가)가 재발한다.
+ *   - 응답의 requires_pg_payment / redirect_url 을 변조하면 템플릿의
+ *     pg_payment_handler dispatch 분기가 발화하지 않는다.
+ */
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
-import { requestPaymentHandler } from '../handlers/requestPayment';
 import { installOrderResponseInterceptor } from '../orderResponseInterceptor';
 
-vi.mock('../handlers/requestPayment', () => ({
-    requestPaymentHandler: vi.fn().mockResolvedValue(undefined),
-}));
-
-interface MutatedOrderResponse {
-    data?: {
-        redirect_url?: string;
-        requires_pg_payment?: boolean;
-    };
-}
+const ORDER_CREATE_URL = '/api/modules/sirsoft-ecommerce/user/orders';
 
 function windowRecord(): Record<string, unknown> {
     return window as unknown as Record<string, unknown>;
 }
 
+/** 서버 주문 생성 응답(정상 PG 결제 주문) */
+function orderCreateResponse(): Response {
+    return new Response(JSON.stringify({
+        success: true,
+        data: {
+            order: { order_number: 'ORD-1' },
+            redirect_url: '/shop/orders/ORD-1/complete',
+            requires_pg_payment: true,
+            pg_provider: 'sirsoft-nhnkcp',
+            pg_payment_handler: 'sirsoft-pay_nhnkcp.requestPayment',
+            pg_payment_data: { order_number: 'ORD-1', amount: 1000, payment_method: 'nhnkcp_naverpay' },
+        },
+    }), { status: 200, headers: { 'Content-Type': 'application/json' } });
+}
+
 describe('installOrderResponseInterceptor', () => {
     beforeEach(() => {
         document.documentElement.lang = 'ko';
         window.history.pushState({}, '', '/shop/checkout');
-        vi.mocked(requestPaymentHandler).mockClear();
         vi.spyOn(console, 'info').mockImplementation(() => {});
+        vi.spyOn(console, 'warn').mockImplementation(() => {});
     });
 
     afterEach(() => {
         const w = windowRecord();
         delete w['__sirsoftNhnkcpInterceptorInstalled'];
-        delete w['__sirsoftPgOriginalFetch'];
         delete w['G7Core'];
         document.body.innerHTML = '';
         vi.restoreAllMocks();
     });
 
-    it('NHN KCP 간편결제는 주문 생성 요청을 card로 전송하고 원래 결제수단으로 KCP 결제창을 호출한다', async () => {
+    it('간편결제 payment_method 를 card 로 위장하지 않고 원본 그대로 전송한다', async () => {
         let sentBody = '';
         window.fetch = vi.fn().mockImplementation(async (_input, init?: RequestInit) => {
             sentBody = String(init?.body ?? '');
-
-            return new Response(JSON.stringify({
-                success: true,
-                data: {
-                    order: {
-                        order_number: 'ORD-100',
-                        total_amount: 15000,
-                        total_due_amount: 14000,
-                        orderer_name: 'Tester',
-                        orderer_email: 'tester@example.test',
-                        orderer_phone: '010-1234-5678',
-                        options: [{ product_name: '테스트 상품' }],
-                    },
-                    redirect_url: '/shop/orders/ORD-100/complete',
-                    requires_pg_payment: true,
-                    pg_provider: 'sirsoft-kginicis',
-                },
-            }), {
-                status: 200,
-                headers: { 'Content-Type': 'application/json' },
-            });
-        }) as unknown as typeof fetch;
+            return orderCreateResponse();
+        });
 
         installOrderResponseInterceptor();
 
-        const response = await window.fetch('/api/modules/sirsoft-ecommerce/user/orders', {
+        await window.fetch(ORDER_CREATE_URL, {
             method: 'POST',
             body: JSON.stringify({ payment_method: 'nhnkcp_naverpay' }),
         });
-        const body = (await response.json()) as MutatedOrderResponse;
 
-        expect(JSON.parse(sentBody)).toMatchObject({ payment_method: 'card' });
-        expect(requestPaymentHandler).toHaveBeenCalledWith({
-            params: {
-                pgPaymentData: expect.objectContaining({
-                    order_number: 'ORD-100',
-                    order_name: '테스트 상품',
-                    amount: 14000,
-                    customer_phone: '01012345678',
-                }),
-                paymentMethod: 'nhnkcp_naverpay',
-            },
-        });
-        expect(body.data?.requires_pg_payment).toBe(false);
-        expect(body.data?.redirect_url).toBe('/shop/checkout');
+        // 위장이 부활하면 서버가 PG 결제 주문으로 인식하지 못해 #475 가 재발한다.
+        expect(JSON.parse(sentBody).payment_method).toBe('nhnkcp_naverpay');
+        expect(sentBody).not.toContain('"payment_method":"card"');
     });
 
-    it('iOS 모바일 기기가 아닌 Apple Pay 주문 생성 요청은 서버 전송 전에 차단한다', async () => {
-        const fetchSpy = vi.fn().mockResolvedValue(
-            new Response(JSON.stringify({ success: true }), {
-                status: 200,
-                headers: { 'Content-Type': 'application/json' },
-            }),
-        );
-        window.fetch = fetchSpy as unknown as typeof fetch;
+    it('서버 응답을 변조하지 않는다 (requires_pg_payment / redirect_url 보존)', async () => {
+        window.fetch = vi.fn().mockResolvedValue(orderCreateResponse());
 
         installOrderResponseInterceptor();
 
-        const response = await window.fetch('/api/modules/sirsoft-ecommerce/user/orders', {
+        const response = await window.fetch(ORDER_CREATE_URL, {
+            method: 'POST',
+            body: JSON.stringify({ payment_method: 'nhnkcp_naverpay' }),
+        });
+        const body = await response.json();
+
+        // 응답을 변조하면 템플릿의 pg_payment_handler dispatch 분기가 발화하지 않는다.
+        expect(body.data.requires_pg_payment).toBe(true);
+        expect(body.data.redirect_url).toBe('/shop/orders/ORD-1/complete');
+        expect(body.data.pg_payment_handler).toBe('sirsoft-pay_nhnkcp.requestPayment');
+    });
+
+    it('iOS 모바일 기기가 아닌 Apple Pay 주문은 서버 전송 전에 차단한다', async () => {
+        const fetchSpy = vi.fn().mockResolvedValue(orderCreateResponse());
+        window.fetch = fetchSpy;
+
+        // 데스크톱 UA (iOS 아님)
+        vi.spyOn(window.navigator, 'userAgent', 'get').mockReturnValue(
+            'Mozilla/5.0 (Windows NT 10.0; Win64; x64)'
+        );
+
+        installOrderResponseInterceptor();
+
+        const response = await window.fetch(ORDER_CREATE_URL, {
             method: 'POST',
             body: JSON.stringify({ payment_method: 'nhnkcp_applepay' }),
         });
-        const body = await response.json() as {
-            success?: boolean;
-            error?: string;
-            errors?: { payment_method?: string[] };
-        };
 
-        expect(fetchSpy).not.toHaveBeenCalled();
         expect(response.status).toBe(422);
-        expect(body.success).toBe(false);
-        expect(body.error).toBe('애플페이는 IOS 기기에 모바일결제만 가능합니다.');
-        expect(body.errors?.payment_method?.[0]).toBe('애플페이는 IOS 기기에 모바일결제만 가능합니다.');
-        expect(requestPaymentHandler).not.toHaveBeenCalled();
+        expect(fetchSpy).not.toHaveBeenCalled();
+
+        const body = await response.json();
+        expect(body.errors.payment_method).toBeDefined();
     });
 
-    it('일반 NHN KCP 주문 응답도 결제창을 호출하고 fallback 이동을 막는다', async () => {
-        window.fetch = vi.fn().mockResolvedValue(
-            new Response(JSON.stringify({
-                success: true,
-                data: {
-                    order: { order_number: 'ORD-101' },
-                    redirect_url: '/shop/orders/ORD-101/complete',
-                    requires_pg_payment: true,
-                    pg_provider: 'sirsoft-nhnkcp',
-                    pg_payment_data: {
-                        order_number: 'ORD-101',
-                        order_name: '일반 주문',
-                        amount: 20000,
-                    },
-                },
-            }), {
-                status: 200,
-                headers: { 'Content-Type': 'application/json' },
-            }),
-        ) as unknown as typeof fetch;
+    it('주문 생성 외의 요청은 그대로 통과시킨다', async () => {
+        const originalResponse = new Response('{}', { status: 200 });
+        const fetchSpy = vi.fn().mockResolvedValue(originalResponse);
+        window.fetch = fetchSpy;
 
         installOrderResponseInterceptor();
 
-        const response = await window.fetch('/api/modules/sirsoft-ecommerce/user/orders', {
-            method: 'POST',
-            body: JSON.stringify({ payment_method: 'card' }),
-        });
-        const body = (await response.json()) as MutatedOrderResponse;
+        const response = await window.fetch('/api/modules/sirsoft-ecommerce/checkout', { method: 'GET' });
 
-        expect(requestPaymentHandler).toHaveBeenCalledWith({
-            params: {
-                pgPaymentData: expect.objectContaining({
-                    order_number: 'ORD-101',
-                    pay_method: 'card',
-                }),
-                paymentMethod: undefined,
-            },
-        });
-        expect(body.data?.requires_pg_payment).toBe(false);
-        expect(body.data?.redirect_url).toBe('/shop/checkout');
+        expect(response).toBe(originalResponse);
+        expect(fetchSpy).toHaveBeenCalledTimes(1);
     });
 });
diff --git a/plugins/_bundled/sirsoft-pay_nhnkcp/resources/js/handlers/requestPayment.ts b/plugins/_bundled/sirsoft-pay_nhnkcp/resources/js/handlers/requestPayment.ts
index fafe0821..dbdad541 100644
--- a/plugins/_bundled/sirsoft-pay_nhnkcp/resources/js/handlers/requestPayment.ts
+++ b/plugins/_bundled/sirsoft-pay_nhnkcp/resources/js/handlers/requestPayment.ts
@@ -17,10 +17,15 @@ interface PgPaymentData {
     amount: number;
     currency?: string;
     pay_method?: string;
+    /**
+     * 서버가 저장한 결제수단 ID — 확장 수단이면 확장 ID 그대로(예: 'nhnkcp_naverpay').
+     * 확장 결제수단이 1급 시민이 되면서 서버가 원본 수단을 알고 내려준다(#475).
+     */
+    payment_method?: string;
     customer_name?: string;
     customer_email?: string;
     customer_phone?: string;
-    /** 복합과세 분할용 — orderResponseInterceptor가 data.order 에서 주입 */
+    /** 복합과세 분할용 */
     tax_amount?: number;
     vat_amount?: number;
     tax_free_amount?: number;
@@ -235,7 +240,12 @@ export async function requestPaymentHandler(action: any, _context?: any): Promis
         return;
     }
 
-    const paymentMethod = paramPaymentMethod ?? pgPaymentData.pay_method ?? 'card';
+    // 서버가 저장한 결제수단(payment_method)이 SSoT — 확장 수단이면 확장 ID 가 그대로 온다.
+    // params.paymentMethod 는 인터셉터 시절의 잔재이나 직접 호출 경로 호환을 위해 우선 존중한다.
+    const paymentMethod = paramPaymentMethod
+        ?? pgPaymentData.payment_method
+        ?? pgPaymentData.pay_method
+        ?? 'card';
     const isEasyPay = typeof paymentMethod === 'string' && paymentMethod.startsWith('nhnkcp_');
 
     const G7Core = (window as any).G7Core;
diff --git a/plugins/_bundled/sirsoft-pay_nhnkcp/resources/js/handlers/setPaymentMethod.ts b/plugins/_bundled/sirsoft-pay_nhnkcp/resources/js/handlers/setPaymentMethod.ts
index d91963c2..2002a0fd 100644
--- a/plugins/_bundled/sirsoft-pay_nhnkcp/resources/js/handlers/setPaymentMethod.ts
+++ b/plugins/_bundled/sirsoft-pay_nhnkcp/resources/js/handlers/setPaymentMethod.ts
@@ -62,11 +62,11 @@ export function setPaymentMethodHandler(action: any): void {
         return;
     }
 
+    // 확장 결제수단은 1급 시민 — 선택한 수단 ID 를 그대로 서버에 보낸다.
+    // (과거에는 서버 검증이 확장 ID 를 422 로 막아 'card' 로 정규화한 serverPaymentMethod 를
+    //  함께 저장했으나, 소비처가 없는 죽은 코드였고 위장 자체가 결함의 원인이었다 — #475)
     const isEasyPay = typeof paymentMethod === 'string' && paymentMethod.startsWith('nhnkcp_');
-    G7Core?.state?.setLocal?.({
-        paymentMethod,
-        serverPaymentMethod: isEasyPay ? 'card' : paymentMethod,
-    });
+    G7Core?.state?.setLocal?.({ paymentMethod });
 
     if (isEasyPay) {
         updateEasyPayButtonStyles(paymentMethod);
diff --git a/plugins/_bundled/sirsoft-pay_nhnkcp/resources/js/orderResponseInterceptor.ts b/plugins/_bundled/sirsoft-pay_nhnkcp/resources/js/orderResponseInterceptor.ts
index 50e2b7ca..e275b4a1 100644
--- a/plugins/_bundled/sirsoft-pay_nhnkcp/resources/js/orderResponseInterceptor.ts
+++ b/plugins/_bundled/sirsoft-pay_nhnkcp/resources/js/orderResponseInterceptor.ts
@@ -1,24 +1,29 @@
 /**
- * 주문 생성 API 응답 인터셉터
+ * 주문 생성 요청 인터셉터 (Apple Pay 디바이스 가드 전용)
  *
- * 체크아웃 템플릿(_checkout_summary.json)에는 'sirsoft-tosspayments' 분기만
- * 정의되어 있어서, 'sirsoft-nhnkcp' PG는 navigate 기본 분기로 떨어져
- * /shop/orders/{order_number}/complete 로 이동해버림 (결제창 미노출).
+ * 과거에는 이 인터셉터가 다음을 우회 목적으로 수행했다:
  *
- * 코어/템플릿 수정 없이 이 문제를 우회하기 위해 plugin loading 시점에
- * window.fetch 를 래핑해 다음을 수행:
+ *   1. 요청 body 의 `payment_method` 를 'card' 로 위장 (서버 검증이 확장 ID 를 422 로 막았기 때문)
+ *   2. 응답의 `requires_pg_payment` 를 false 로, `redirect_url` 을 self 로 변조
+ *   3. `pg_payment_data` 를 직접 재구성해 결제창을 강제로 띄움
  *
- *   1. POST /api/modules/sirsoft-ecommerce/user/orders 요청 body에서
- *      nhnkcp_* 간편결제 수단을 'card'로 교체 후 서버 전송
- *   2. 응답에서 data.pg_provider === 'sirsoft-nhnkcp' 이면
- *      requestPayment 핸들러를 직접 호출하여 결제창 띄움
- *   3. data.redirect_url 을 현재 URL로 교체하고 requires_pg_payment를 false로 변경
- *      → 템플릿 fallback 분기의 navigate 가 navigate-to-self 가 되어 실질적 이동 없음
+ * 이 우회는 두 개의 심각한 결함을 낳았다 — 서버가 간편결제 주문을 "PG 결제가 아닌 주문"
+ * 으로 오인해 (a) 결제 실패했는데 관리자에게 신규주문 알림이 발송되고 (b) 임시주문이
+ * 즉시 삭제되어 재결제가 불가능해졌다.
  *
- * 결과: 체크아웃 페이지에 머문 채 PG 팝업이 뜨고, PG 콜백이 정식 complete 페이지로 redirect.
+ * 이제 코어가 확장 결제수단을 1급 시민으로 받는다:
+ *   - 서버 검증이 결제수단 카탈로그를 화이트리스트로 사용 (확장 ID 통과)
+ *   - PG 플러그인이 `pg_provider` 를 자기 PG 로 고정 선언 → PG 결제 주문으로 정상 판정
+ *   - provider 가 선언한 `payment_handler` 가 응답의 `pg_payment_handler` 로 내려가
+ *     템플릿이 결제 진입 핸들러를 그대로 dispatch
+ *
+ * 따라서 위장·응답변조·pgPaymentData 재구성은 모두 불필요해졌고 제거했다.
+ * 남은 책임은 서버가 알 수 없는 **클라이언트 디바이스 조건** 하나뿐이다:
+ * Apple Pay 는 iOS 모바일에서만 동작하므로 그 외 환경에서는 요청 전에 차단한다.
+ *
+ * @see https://github.com/gnuboard/dev-g7/issues/475
  */
 
-import { requestPaymentHandler } from './handlers/requestPayment';
 import {
     applePayUnsupportedMessage,
     isIosMobileDevice,
@@ -26,9 +31,7 @@ import {
 } from './support/applePayDevice';
 
 const ORDER_CREATE_PATH = '/api/modules/sirsoft-ecommerce/user/orders';
-const TARGET_PG_PROVIDER = 'sirsoft-nhnkcp';
 const PLUGIN_IDENTIFIER = 'sirsoft-pay_nhnkcp';
-const EASY_PAY_PREFIX = 'nhnkcp_';
 
 const logger = {
     info: (...args: unknown[]) => console.info(`[${PLUGIN_IDENTIFIER}]`, ...args),
@@ -36,23 +39,6 @@ const logger = {
     error: (...args: unknown[]) => console.error(`[${PLUGIN_IDENTIFIER}]`, ...args),
 };
 
-interface OrderCreateResponseBody {
-    success?: boolean;
-    message?: string;
-    data?: {
-        order?: {
-            order_number?: string;
-            total_tax_amount?: number;
-            total_vat_amount?: number;
-            total_tax_free_amount?: number;
-        };
-        redirect_url?: string;
-        requires_pg_payment?: boolean;
-        pg_provider?: string;
-        pg_payment_data?: Record<string, unknown>;
-    };
-}
-
 function extractUrl(input: RequestInfo | URL): string {
     if (typeof input === 'string') return input;
     if (input instanceof URL) return input.toString();
@@ -72,19 +58,18 @@ function isTargetEndpoint(url: string, method: string): boolean {
     return path === ORDER_CREATE_PATH || path.endsWith(ORDER_CREATE_PATH);
 }
 
-function buildNoOpRedirectUrl(): string {
-    return window.location.pathname + window.location.search + window.location.hash;
-}
-
-function mutateResponse(originalResponse: Response, mutatedBody: OrderCreateResponseBody): Response {
-    const json = JSON.stringify(mutatedBody);
-    return new Response(json, {
-        status: originalResponse.status,
-        statusText: originalResponse.statusText,
-        headers: originalResponse.headers,
-    });
+function extractPaymentMethodFromBody(body: string): string | undefined {
+    try {
+        const parsed = JSON.parse(body) as Record<string, unknown>;
+        return parsed['payment_method'] as string | undefined;
+    } catch {
+        return undefined;
+    }
 }
 
+/**
+ * Apple Pay 미지원 디바이스 차단 응답 (서버 검증과 동일한 422 형식).
+ */
 function buildPaymentMethodBlockedResponse(message: string): Response {
     return new Response(JSON.stringify({
         success: false,
@@ -102,25 +87,6 @@ function buildPaymentMethodBlockedResponse(message: string): Response {
     });
 }
 
-function extractPaymentMethodFromBody(body: string): string | undefined {
-    try {
-        const parsed = JSON.parse(body) as Record<string, unknown>;
-        return parsed['payment_method'] as string | undefined;
-    } catch {
-        return undefined;
-    }
-}
-
-function replacePaymentMethodInBody(body: string, replacement: string): string {
-    try {
-        const parsed = JSON.parse(body) as Record<string, unknown>;
-        parsed['payment_method'] = replacement;
-        return JSON.stringify(parsed);
-    } catch {
-        return body;
-    }
-}
-
 export function installOrderResponseInterceptor(): void {
     if (typeof window === 'undefined' || typeof window.fetch !== 'function') {
         return;
@@ -133,14 +99,6 @@ export function installOrderResponseInterceptor(): void {
     }
     w[flag] = true;
 
-    // 최초 설치 플러그인이 원본 브라우저 fetch를 보존 (다른 PG 인터셉터가 쌓이기 전)
-    const ORIGINAL_FETCH_KEY = '__sirsoftPgOriginalFetch';
-    if (!w[ORIGINAL_FETCH_KEY]) {
-        w[ORIGINAL_FETCH_KEY] = window.fetch.bind(window);
-    }
-    // easy pay 요청 시 다른 PG 인터셉터(KG 이니시스 등)를 완전히 우회하는 원본 fetch
-    const browserFetch = w[ORIGINAL_FETCH_KEY] as typeof fetch;
-
     const originalFetch = window.fetch.bind(window);
 
     window.fetch = async function patchedFetch(
@@ -150,146 +108,27 @@ export function installOrderResponseInterceptor(): void {
         const url = extractUrl(input);
         const method = extractMethod(input, init);
 
-        // 주문 생성 엔드포인트가 아니면 바로 통과
         if (!isTargetEndpoint(url, method)) {
             return originalFetch(input, init);
         }
 
-        // 요청 body에서 payment_method 추출 (nhnkcp_* 간편결제 감지)
-        let originalPaymentMethod: string | undefined;
-        let modifiedInit = init;
-
+        // Apple Pay 디바이스 가드 — 서버는 요청자의 디바이스를 알 수 없으므로
+        // 클라이언트에서만 판정 가능한 유일한 조건이다.
+        let paymentMethod: string | undefined;
         if (init?.body && typeof init.body === 'string') {
-            const pm = extractPaymentMethodFromBody(init.body);
-            if (typeof pm === 'string' && pm.startsWith(EASY_PAY_PREFIX)) {
-                originalPaymentMethod = pm;
-                // nhnkcp_* → 'card'로 교체해 서버 전송 (서버 ValidationEnum에 없는 값 방지)
-                modifiedInit = { ...init, body: replacePaymentMethodInBody(init.body, 'card') };
-                logger.info(`easy pay detected: replacing payment_method '${pm}' → 'card'`);
-            }
+            paymentMethod = extractPaymentMethodFromBody(init.body);
         }
 
-        // G7Core 로컬 상태 fallback — 간편결제 버튼 클릭 시 serverPaymentMethod='card'로
-        // 서버에 전달되어 요청 body에서 감지 불가인 경우 대비
-        if (!originalPaymentMethod) {
-            try {
-                // eslint-disable-next-line @typescript-eslint/no-explicit-any
-                const localPm = ((window as any).G7Core)?.state?.getLocal?.()?.paymentMethod;
-                if (typeof localPm === 'string' && localPm.startsWith(EASY_PAY_PREFIX)) {
-                    originalPaymentMethod = localPm;
-                    logger.info(`easy pay detected from local state: '${localPm}'`);
-                }
-            } catch { /* ignore */ }
-        }
-
-        if (isNhnKcpApplePayMethod(originalPaymentMethod) && !isIosMobileDevice()) {
+        if (isNhnKcpApplePayMethod(paymentMethod) && !isIosMobileDevice()) {
             const message = applePayUnsupportedMessage();
             logger.warn(message);
             return buildPaymentMethodBlockedResponse(message);
         }
 
-        // easy pay일 때 browserFetch(원본)를 사용해 KG 이니시스 등 다른 PG 인터셉터 우회
-        // 기본 PG가 KG 이니시스여도 NHN KCP 결제창이 열리도록 함
-        const fetchFn = originalPaymentMethod ? browserFetch : originalFetch;
-        const response = await fetchFn(input, modifiedInit);
-
-        let cloned: Response;
-        try {
-            cloned = response.clone();
-        } catch {
-            return response;
-        }
-
-        let body: OrderCreateResponseBody | null = null;
-        try {
-            body = (await cloned.json()) as OrderCreateResponseBody;
-        } catch {
-            return response;
-        }
-
-        const data = body?.data;
-        if (!data) return response;
-
-        const requiresPg = data.requires_pg_payment === true;
-        const isNhnkcp = data.pg_provider === TARGET_PG_PROVIDER;
-
-        // 일반 결제: pg_provider가 nhnkcp이고 requires_pg_payment=true인 경우에만 처리
-        // 간편결제: pg_provider 무관하게 NHN KCP 처리 (기본 PG가 KG 이니시스여도 KCP 결제창 띄움)
-        if (!originalPaymentMethod && (!requiresPg || !isNhnkcp)) {
-            return response;
-        }
-        if (originalPaymentMethod && !data.order && !data.pg_payment_data) {
-            return response;
-        }
-
-        // pg_payment_data: 서버 응답에 포함되거나,
-        // 간편결제 + 기본 PG가 타 PG인 경우 data.order에서 직접 구성
-        let pgPaymentData = data.pg_payment_data;
-        if (!pgPaymentData && originalPaymentMethod && data.order) {
-            const orderData = data.order as Record<string, unknown>;
-            const options = orderData.options as Array<Record<string, unknown>> | undefined;
-            const firstName = (options?.[0]?.product_name as string | undefined) ?? String(orderData.order_number ?? '');
-            const orderName = (options?.length ?? 0) > 1
-                ? `${firstName} 외 ${(options?.length ?? 0) - 1}건`
-                : firstName;
-            pgPaymentData = {
-                order_number: orderData.order_number,
-                order_name: orderName,
-                amount: Math.floor(Number(orderData.total_due_amount ?? orderData.total_amount ?? 0)),
-                currency: 'KRW',
-                customer_name: orderData.orderer_name ?? null,
-                customer_email: orderData.orderer_email ?? null,
-                customer_phone: String(orderData.orderer_phone ?? '').replace(/[^0-9]/g, ''),
-            };
-            logger.info('pg_payment_data constructed from order (기본 PG가 타 PG)', {
-                order_number: pgPaymentData.order_number,
-                amount: pgPaymentData.amount,
-            });
-        }
-
-        if (!pgPaymentData) {
-            logger.warn('nhnkcp order detected but pg_payment_data missing');
-            return response;
-        }
-
-        logger.info('intercepted order create response — opening PG popup');
-
-        // 주문 세금 정보 추출 — PC 결제창의 복합과세 분할 필드 전달용
-        const orderTax = data.order
-            ? {
-                tax_amount: data.order.total_tax_amount ?? 0,
-                vat_amount: data.order.total_vat_amount ?? 0,
-                tax_free_amount: data.order.total_tax_free_amount ?? 0,
-            }
-            : {};
-
-        // 간편결제가 아닌 경우 요청 body의 pay_method를 pgPaymentData에 주입
-        const enrichedPgPaymentData = (!originalPaymentMethod && modifiedInit?.body && typeof modifiedInit.body === 'string')
-            ? (() => {
-                const pm = extractPaymentMethodFromBody(modifiedInit!.body as string);
-                return pm ? { ...pgPaymentData, pay_method: pm, ...orderTax } : { ...pgPaymentData, ...orderTax };
-            })()
-            : { ...pgPaymentData, ...orderTax };
-
-        void requestPaymentHandler({
-            // eslint-disable-next-line @typescript-eslint/no-explicit-any
-            params: {
-                pgPaymentData: enrichedPgPaymentData as any,
-                paymentMethod: originalPaymentMethod,
-            },
-        });
-
-        const mutatedBody: OrderCreateResponseBody = {
-            ...body,
-            data: {
-                ...data,
-                requires_pg_payment: false,
-                redirect_url: buildNoOpRedirectUrl(),
-            },
-        };
-
-        return mutateResponse(response, mutatedBody);
+        // 그 외에는 요청/응답을 일절 변조하지 않는다 — 코어가 확장 결제수단을
+        // 1급 시민으로 처리하고, 결제창 진입은 응답의 pg_payment_handler 로 dispatch 된다.
+        return originalFetch(input, init);
     };
 
-    logger.info('order response interceptor installed');
+    logger.info('order request interceptor installed (Apple Pay device guard)');
 }
diff --git a/plugins/_bundled/sirsoft-pay_nhnkcp/src/Controllers/PaymentCallbackController.php b/plugins/_bundled/sirsoft-pay_nhnkcp/src/Controllers/PaymentCallbackController.php
index 4156ebb5..aa6590a0 100644
--- a/plugins/_bundled/sirsoft-pay_nhnkcp/src/Controllers/PaymentCallbackController.php
+++ b/plugins/_bundled/sirsoft-pay_nhnkcp/src/Controllers/PaymentCallbackController.php
@@ -17,13 +17,13 @@ use Modules\Sirsoft\Ecommerce\Exceptions\PaymentAmountMismatchException;
 use Modules\Sirsoft\Ecommerce\Helpers\DeviceDetector;
 use Modules\Sirsoft\Ecommerce\Models\Order;
 use Modules\Sirsoft\Ecommerce\Services\OrderProcessingService;
-use Plugins\Sirsoft\PayNhnkcp\Concerns\PreventsReplayCallback;
 use Plugins\Sirsoft\PayNhnkcp\Concerns\IssuesReceiptCookie;
+use Plugins\Sirsoft\PayNhnkcp\Concerns\PreventsReplayCallback;
 use Plugins\Sirsoft\PayNhnkcp\Concerns\RecordsPaymentWindowClosure;
 use Plugins\Sirsoft\PayNhnkcp\Concerns\ResolvesEasyPayDisplay;
 use Plugins\Sirsoft\PayNhnkcp\Concerns\SanitizesPgResponse;
-use Plugins\Sirsoft\PayNhnkcp\Concerns\SerializesPaymentCallbacks;
 use Plugins\Sirsoft\PayNhnkcp\Concerns\SendsKcpNotifyResponse;
+use Plugins\Sirsoft\PayNhnkcp\Concerns\SerializesPaymentCallbacks;
 use Plugins\Sirsoft\PayNhnkcp\Http\Requests\AuthCallbackRequest;
 use Plugins\Sirsoft\PayNhnkcp\Http\Requests\VbankNotifyRequest;
 use Plugins\Sirsoft\PayNhnkcp\Services\NhnKcpApiService;
@@ -37,13 +37,13 @@ use Plugins\Sirsoft\PayNhnkcp\Services\NhnKcpApiService;
  */
 class PaymentCallbackController
 {
-    use PreventsReplayCallback;
     use IssuesReceiptCookie;
+    use PreventsReplayCallback;
     use RecordsPaymentWindowClosure;
     use ResolvesEasyPayDisplay;
     use SanitizesPgResponse;
-    use SerializesPaymentCallbacks;
     use SendsKcpNotifyResponse;
+    use SerializesPaymentCallbacks;
 
     private const PLUGIN_IDENTIFIER = 'sirsoft-pay_nhnkcp';
 
@@ -265,7 +265,7 @@ class PaymentCallbackController
             // 가상계좌: 계좌 발급 완료 처리 (실제 입금은 vbankNotify에서 처리)
             // KCP 콜백의 use_pay_method=VCNT 또는 주문의 payment_method=vbank 로 감지
             $isVbank = ($validated['use_pay_method'] ?? '') === 'VCNT'
-                || in_array($order->payment?->payment_method?->value, ['vbank', 'virtual_account'], true);
+                || (bool) $order->payment?->isVirtualAccount();
             if ($isVbank) {
                 return $this->handleVbankIssued($validated, $order, $encData, $encInfo, $ordrIdxx, $custIp, $request);
             }
@@ -767,7 +767,7 @@ class PaymentCallbackController
             return 'payment_not_found';
         }
 
-        if (! in_array($payment->payment_method?->value, ['vbank', 'virtual_account'], true)) {
+        if (! $payment->isVirtualAccount()) {
             return 'payment_method_not_vbank';
         }
 
diff --git a/plugins/_bundled/sirsoft-pay_nhnkcp/src/Controllers/UserVbankMockDepositController.php b/plugins/_bundled/sirsoft-pay_nhnkcp/src/Controllers/UserVbankMockDepositController.php
index 47ba8b2a..e855a4a7 100644
--- a/plugins/_bundled/sirsoft-pay_nhnkcp/src/Controllers/UserVbankMockDepositController.php
+++ b/plugins/_bundled/sirsoft-pay_nhnkcp/src/Controllers/UserVbankMockDepositController.php
@@ -69,7 +69,7 @@ class UserVbankMockDepositController
             return response()->json(['available' => false]);
         }
 
-        $isVbank = in_array($payment->payment_method?->value, ['vbank', 'virtual_account'], true);
+        $isVbank = $payment->isVirtualAccount();
 
         // 가상계좌 계좌번호가 발급됐고 아직 입금완료가 아닌 상태
         // (handleVbankIssued는 payment_status를 ready로 유지하므로 isPaid 역확인)
@@ -83,12 +83,12 @@ class UserVbankMockDepositController
             ?? (is_array($meta) ? ($meta['tno'] ?? '') : '');
 
         return response()->json([
-            'available'      => true,
-            'trade_no'       => $tradeNo,
-            'account_no'     => $payment->vbank_number,
-            'notify_url'     => url(self::VBANK_NOTIFY_PATH),
-            'mock_url'       => self::KCP_TEST_MOCK_URL,
-            'is_admin_view'  => $isAdmin,
+            'available' => true,
+            'trade_no' => $tradeNo,
+            'account_no' => $payment->vbank_number,
+            'notify_url' => url(self::VBANK_NOTIFY_PATH),
+            'mock_url' => self::KCP_TEST_MOCK_URL,
+            'is_admin_view' => $isAdmin,
         ]);
     }
 }
diff --git a/plugins/_bundled/sirsoft-pay_nhnkcp/src/Listeners/AdjustEcommercePaymentMethodsLayoutListener.php b/plugins/_bundled/sirsoft-pay_nhnkcp/src/Listeners/AdjustEcommercePaymentMethodsLayoutListener.php
index 3474f008..db6704fd 100644
--- a/plugins/_bundled/sirsoft-pay_nhnkcp/src/Listeners/AdjustEcommercePaymentMethodsLayoutListener.php
+++ b/plugins/_bundled/sirsoft-pay_nhnkcp/src/Listeners/AdjustEcommercePaymentMethodsLayoutListener.php
@@ -7,7 +7,10 @@ namespace Plugins\Sirsoft\PayNhnkcp\Listeners;
 use App\Contracts\Extension\HookListenerInterface;
 
 /**
- * 이커머스 결제수단 설정 화면에서 NHN KCP 간편결제를 PG 선택 불필요 항목으로 표시한다.
+ * 이커머스 결제수단 설정 화면에 NHN KCP 테스트모드 경고를 주입한다.
+ *
+ * 간편결제의 PG 표시(PG 고정 배지)는 코어 레이아웃이 결제수단 카탈로그의 pg_locked /
+ * needs_pg 를 읽어 직접 처리하므로 이 리스너가 관여하지 않는다(#475).
  */
 class AdjustEcommercePaymentMethodsLayoutListener implements HookListenerInterface
 {
@@ -24,16 +27,6 @@ class AdjustEcommercePaymentMethodsLayoutListener implements HookListenerInterfa
 
     private const TEST_MODE_CONDITION = 'nhnkcp_test_mode_status.data?.is_test_mode === true';
 
-    private const CORE_NO_PG_METHODS = ['point', 'deposit', 'free', 'dbank'];
-
-    private const NHNKCP_NO_PG_METHODS = [
-        'nhnkcp_payco',
-        'nhnkcp_naverpay',
-        'nhnkcp_naverpay_point',
-        'nhnkcp_kakaopay',
-        'nhnkcp_applepay',
-    ];
-
     /**
      * 이 리스너가 구독하는 훅 정의를 반환합니다.
      *
@@ -43,7 +36,7 @@ class AdjustEcommercePaymentMethodsLayoutListener implements HookListenerInterfa
     {
         return [
             'core.layout_extension.after_apply' => [
-                'method' => 'markEasyPayMethodsAsPgNotRequired',
+                'method' => 'adjustPaymentMethodsLayout',
                 'type' => 'filter',
                 'priority' => 30,
             ],
@@ -58,78 +51,30 @@ class AdjustEcommercePaymentMethodsLayoutListener implements HookListenerInterfa
     public function handle(...$args): void {}
 
     /**
-     * 이커머스 결제수단 설정 레이아웃에 NHN KCP 간편결제를 PG 선택 불필요 항목으로 반영합니다.
+     * 이커머스 결제수단 설정 레이아웃에 테스트모드 경고를 주입합니다.
+     *
+     * 과거에는 코어 레이아웃의 "PG 불필요 결제수단" 하드코딩 배열 표현식을 정규식으로 찾아
+     * 간편결제를 그 목록에 덧붙여 PG 선택 셀렉트를 숨겼다. 그러나 간편결제는 "PG 불필요" 가
+     * 아니라 "PG 고정" 이며, 이 표시 왜곡은 서버가 간편결제를 PG 없는 주문으로 오인하던
+     * 결함과 짝을 이뤘다(#475). 정규식 치환은 플러그인이 여럿 설치되면 서로의 결과 위에
+     * 누적 적용되어 충돌할 위험도 있었다.
+     *
+     * 이제 결제수단 카탈로그가 `pg_locked` / `needs_pg` 를 내려주고 코어 레이아웃이 그 값으로
+     * 직접 3분기(PG 고정 배지 / PG 선택 / PG 불필요)하므로 치환이 불필요하다.
      *
      * @param  array<string, mixed>  $layout  대상 레이아웃 정의
      * @param  int  $templateId  레이아웃이 속한 템플릿 ID
      * @return array<string, mixed> 보정된 레이아웃 정의
      */
-    public function markEasyPayMethodsAsPgNotRequired(array $layout, int $templateId): array
+    public function adjustPaymentMethodsLayout(array $layout, int $templateId): array
     {
         if (($layout['layout_name'] ?? '') !== self::TARGET_LAYOUT) {
             return $layout;
         }
 
-        $layout = $this->replaceNoPgMethodExpressions($layout);
-
         return $this->ensureTestModeWarning($layout);
     }
 
-    /**
-     * 레이아웃 노드를 재귀 순회하며 PG 불필요 결제수단 표현식에 NHN KCP 간편결제를 추가합니다.
-     *
-     * @param  array<string, mixed>  $node  순회 대상 노드
-     * @return array<string, mixed> 치환이 반영된 노드
-     */
-    private function replaceNoPgMethodExpressions(array $node): array
-    {
-        foreach ($node as $key => $value) {
-            if (is_array($value)) {
-                $node[$key] = $this->replaceNoPgMethodExpressions($value);
-
-                continue;
-            }
-
-            if (is_string($value)) {
-                $node[$key] = $this->addNhnKcpMethodsToNoPgArray($value);
-            }
-        }
-
-        return $node;
-    }
-
-    /**
-     * 코어 PG 불필요 결제수단 배열 표현식을 찾아 NHN KCP 간편결제 수단을 덧붙입니다.
-     *
-     * @param  string  $expression  대상 표현식
-     * @return string NHN KCP 수단이 추가된 표현식 (대상이 아니면 원본 그대로)
-     */
-    private function addNhnKcpMethodsToNoPgArray(string $expression): string
-    {
-        return preg_replace_callback(
-            '/\[((?:\'[^\']+\'\s*,?\s*)+)\]\.includes\(\$method\.id\)/',
-            function (array $matches): string {
-                preg_match_all("/'([^']+)'/", $matches[1], $tokenMatches);
-                $ids = $tokenMatches[1] ?? [];
-
-                foreach (self::CORE_NO_PG_METHODS as $coreId) {
-                    if (! in_array($coreId, $ids, true)) {
-                        return $matches[0];
-                    }
-                }
-
-                foreach (self::NHNKCP_NO_PG_METHODS as $methodId) {
-                    if (! in_array($methodId, $ids, true)) {
-                        $ids[] = $methodId;
-                    }
-                }
-
-                return "['".implode("','", $ids)."'].includes(\$method.id)";
-            },
-            $expression
-        ) ?? $expression;
-    }
-
     /**
      * 테스트 모드 경고에 필요한 데이터 소스와 안내 노드를 레이아웃에 보장합니다.
      *
diff --git a/plugins/_bundled/sirsoft-pay_nhnkcp/src/Listeners/RegisterEasyPayMethodsListener.php b/plugins/_bundled/sirsoft-pay_nhnkcp/src/Listeners/RegisterEasyPayMethodsListener.php
index 3942c377..004ff4f2 100644
--- a/plugins/_bundled/sirsoft-pay_nhnkcp/src/Listeners/RegisterEasyPayMethodsListener.php
+++ b/plugins/_bundled/sirsoft-pay_nhnkcp/src/Listeners/RegisterEasyPayMethodsListener.php
@@ -15,6 +15,11 @@ class RegisterEasyPayMethodsListener implements HookListenerInterface
 {
     private const PLUGIN_IDENTIFIER = 'sirsoft-pay_nhnkcp';
 
+    /**
+     * 이 플러그인이 제공하는 PG 식별자 (RegisterPgProviderListener 의 provider id 와 일치).
+     */
+    private const PG_PROVIDER_ID = 'nhnkcp';
+
     private const EASY_PAY_METHODS = [
         [
             'id' => 'nhnkcp_payco',
@@ -63,12 +68,12 @@ class RegisterEasyPayMethodsListener implements HookListenerInterface
     }
 
     /**
-     * @param mixed ...$args
+     * @param  mixed  ...$args
      */
     public function handle(...$args): void {}
 
     /**
-     * @param array<int, array<string, mixed>> $methods
+     * @param  array<int, array<string, mixed>>  $methods
      * @return array<int, array<string, mixed>>
      */
     public function injectEasyPayMethods(array $methods): array
@@ -102,7 +107,7 @@ class RegisterEasyPayMethodsListener implements HookListenerInterface
     }
 
     /**
-     * @param array<int, array<string, mixed>> $methods
+     * @param  array<int, array<string, mixed>>  $methods
      */
     private function resolveInsertionIndex(array $methods): ?int
     {
@@ -143,12 +148,19 @@ class RegisterEasyPayMethodsListener implements HookListenerInterface
                 'en' => __($descriptionKey, [], 'en'),
             ],
             'icon' => $icon,
-            'source' => 'plugin:' . self::PLUGIN_IDENTIFIER,
+            'source' => 'plugin:'.self::PLUGIN_IDENTIFIER,
             'defaults' => [
-                'pg_provider' => null,
+                // 간편결제는 NHN KCP 결제창을 통해서만 처리되므로 PG 를 자기 자신으로 고정한다.
+                // null 로 두면 코어가 PG 없는 결제수단으로 오인해 결제 실패 주문에 관리자 알림이
+                // 발송되고 임시주문이 삭제되어 재결제가 막힌다(#475).
+                'pg_provider' => self::PG_PROVIDER_ID,
+                'pg_locked' => true,
+                'needs_pg' => true,
+                'refund_method' => 'pg',
                 'is_active' => false,
                 'min_order_amount' => 0,
                 'stock_deduction_timing' => 'payment_complete',
+                'mileage_deduction_timing' => 'payment_complete',
             ],
         ];
     }
diff --git a/plugins/_bundled/sirsoft-pay_nhnkcp/src/Listeners/RegisterPgProviderListener.php b/plugins/_bundled/sirsoft-pay_nhnkcp/src/Listeners/RegisterPgProviderListener.php
index 8bf31369..a0bca28f 100644
--- a/plugins/_bundled/sirsoft-pay_nhnkcp/src/Listeners/RegisterPgProviderListener.php
+++ b/plugins/_bundled/sirsoft-pay_nhnkcp/src/Listeners/RegisterPgProviderListener.php
@@ -54,6 +54,10 @@ class RegisterPgProviderListener implements HookListenerInterface
             'name' => localized_label(nameKey: 'sirsoft-pay_nhnkcp::provider.name'),
             'icon' => 'credit-card',
             'supported_methods' => ['card', 'bank_transfer', 'virtual_account', 'mobile'],
+            // 코어의 provider-agnostic 결제 진입 dispatch — 주문 응답의 pg_payment_handler 로
+            // 내려가 템플릿이 그대로 호출한다. 미선언 시 프론트가 응답을 변조해 결제창을
+            // 직접 띄우는 우회가 필요해진다(#475).
+            'payment_handler' => 'sirsoft-pay_nhnkcp.requestPayment',
         ];
 
         return $providers;
@@ -81,7 +85,7 @@ class RegisterPgProviderListener implements HookListenerInterface
         $liveSuffix = $settings['live_site_cd'] ?? '';
         $liveSiteCd = str_starts_with($liveSuffix, self::LIVE_SITE_CD_PREFIX)
             ? $liveSuffix
-            : self::LIVE_SITE_CD_PREFIX . $liveSuffix;
+            : self::LIVE_SITE_CD_PREFIX.$liveSuffix;
 
         $siteCd = $isTest
             ? ($settings['test_site_cd'] ?? 'T0000')
@@ -92,11 +96,11 @@ class RegisterPgProviderListener implements HookListenerInterface
             : 'https://pay.kcp.co.kr/plugin/payplus_web.jsp';
 
         $easyPayKeys = [
-            'PAYCO'         => 'easy_pay_payco',
-            'NAVERPAY'      => 'easy_pay_naverpay',
+            'PAYCO' => 'easy_pay_payco',
+            'NAVERPAY' => 'easy_pay_naverpay',
             'NAVERPAY POINT' => 'easy_pay_naverpay_point',
-            'KAKAOPAY'      => 'easy_pay_kakaopay',
-            'APPLEPAY'      => 'easy_pay_applepay',
+            'KAKAOPAY' => 'easy_pay_kakaopay',
+            'APPLEPAY' => 'easy_pay_applepay',
         ];
         $enabledEasyPays = array_values(array_keys(array_filter($easyPayKeys, fn ($key) => (bool) ($settings[$key] ?? false))));
 
diff --git a/plugins/_bundled/sirsoft-pay_nhnkcp/tests/Unit/Listeners/AdjustEcommercePaymentMethodsLayoutListenerTest.php b/plugins/_bundled/sirsoft-pay_nhnkcp/tests/Unit/Listeners/AdjustEcommercePaymentMethodsLayoutListenerTest.php
index 1ad3458e..f7e3dda1 100644
--- a/plugins/_bundled/sirsoft-pay_nhnkcp/tests/Unit/Listeners/AdjustEcommercePaymentMethodsLayoutListenerTest.php
+++ b/plugins/_bundled/sirsoft-pay_nhnkcp/tests/Unit/Listeners/AdjustEcommercePaymentMethodsLayoutListenerTest.php
@@ -18,14 +18,17 @@ class AdjustEcommercePaymentMethodsLayoutListenerTest extends TestCase
             $hooks['core.layout_extension.after_apply']['type'] ?? null
         );
         $this->assertSame(
-            'markEasyPayMethodsAsPgNotRequired',
+            'adjustPaymentMethodsLayout',
             $hooks['core.layout_extension.after_apply']['method'] ?? null
         );
     }
 
-    public function test_marks_nhnkcp_easy_pay_methods_as_pg_not_required_in_admin_ecommerce_settings(): void
+    public function test_does_not_string_substitute_pg_branch_expressions(): void
     {
-        $listener = new AdjustEcommercePaymentMethodsLayoutListener();
+        // 코어 레이아웃은 이제 pg_locked / needs_pg 로 직접 분기한다(#475).
+        // 리스너가 표현식을 치환하면 코어의 분기 로직을 훼손하고, 플러그인이 여럿 설치되면
+        // 서로의 치환 결과 위에 누적 적용되어 충돌한다.
+        $listener = new AdjustEcommercePaymentMethodsLayoutListener;
 
         $layout = [
             'layout_name' => 'admin_ecommerce_settings',
@@ -33,34 +36,26 @@ class AdjustEcommercePaymentMethodsLayoutListenerTest extends TestCase
                 [
                     'type' => 'basic',
                     'name' => 'Select',
-                    'if' => "{{!['point','deposit','free','dbank'].includes(\$method.id) && (_local.form?.available_pg_providers ?? []).length > 0}}",
-                ],
-                [
-                    'type' => 'composite',
-                    'name' => 'Toggle',
-                    'props' => [
-                        'disabled' => "{{_computed.isReadOnly || !['point','deposit','free','dbank','kginicis_naverpay'].includes(\$method.id) && !\$method.pg_provider && !_local.form?.order_settings?.default_pg_provider}}",
-                    ],
+                    'if' => '{{!$method.pg_locked && $method.needs_pg && (_local.form?.available_pg_providers ?? []).length > 0}}',
                 ],
             ],
         ];
 
-        $result = $listener->markEasyPayMethodsAsPgNotRequired($layout, 1);
+        $result = $listener->adjustPaymentMethodsLayout($layout, 1);
         $json = json_encode($result, JSON_UNESCAPED_SLASHES);
 
         $this->assertIsString($json);
-        $this->assertStringContainsString('kginicis_naverpay', $json);
-        $this->assertStringContainsString('nhnkcp_payco', $json);
-        $this->assertStringContainsString('nhnkcp_naverpay', $json);
-        $this->assertStringContainsString('nhnkcp_naverpay_point', $json);
-        $this->assertStringContainsString('nhnkcp_kakaopay', $json);
-        $this->assertStringContainsString('nhnkcp_applepay', $json);
-        $this->assertStringNotContainsString("['point','deposit','free','dbank'].includes", $json);
+        // 코어 분기 표현식이 그대로 보존되어야 한다.
+        $this->assertStringContainsString('$method.pg_locked', $json);
+        $this->assertStringContainsString('$method.needs_pg', $json);
+        // 간편결제 ID 를 표현식에 끼워 넣지 않는다.
+        $this->assertStringNotContainsString('nhnkcp_naverpay', $json);
+        $this->assertStringNotContainsString('nhnkcp_payco', $json);
     }
 
     public function test_adds_test_mode_warning_to_order_settings_tab(): void
     {
-        $listener = new AdjustEcommercePaymentMethodsLayoutListener();
+        $listener = new AdjustEcommercePaymentMethodsLayoutListener;
 
         $layout = [
             'layout_name' => 'admin_ecommerce_settings',
@@ -75,8 +70,8 @@ class AdjustEcommercePaymentMethodsLayoutListenerTest extends TestCase
             ],
         ];
 
-        $result = $listener->markEasyPayMethodsAsPgNotRequired($layout, 1);
-        $result = $listener->markEasyPayMethodsAsPgNotRequired($result, 1);
+        $result = $listener->adjustPaymentMethodsLayout($layout, 1);
+        $result = $listener->adjustPaymentMethodsLayout($result, 1);
         $json = json_encode($result, JSON_UNESCAPED_SLASHES);
 
         $this->assertIsString($json);
@@ -99,7 +94,7 @@ class AdjustEcommercePaymentMethodsLayoutListenerTest extends TestCase
 
     public function test_leaves_other_layouts_unchanged(): void
     {
-        $listener = new AdjustEcommercePaymentMethodsLayoutListener();
+        $listener = new AdjustEcommercePaymentMethodsLayoutListener;
 
         $layout = [
             'layout_name' => 'shop/checkout',
@@ -110,6 +105,6 @@ class AdjustEcommercePaymentMethodsLayoutListenerTest extends TestCase
             ],
         ];
 
-        $this->assertSame($layout, $listener->markEasyPayMethodsAsPgNotRequired($layout, 1));
+        $this->assertSame($layout, $listener->adjustPaymentMethodsLayout($layout, 1));
     }
 }
diff --git a/plugins/_bundled/sirsoft-pay_nhnkcp/tests/Unit/Listeners/RegisterEasyPayMethodsListenerTest.php b/plugins/_bundled/sirsoft-pay_nhnkcp/tests/Unit/Listeners/RegisterEasyPayMethodsListenerTest.php
index 98349699..ae8bc4b1 100644
--- a/plugins/_bundled/sirsoft-pay_nhnkcp/tests/Unit/Listeners/RegisterEasyPayMethodsListenerTest.php
+++ b/plugins/_bundled/sirsoft-pay_nhnkcp/tests/Unit/Listeners/RegisterEasyPayMethodsListenerTest.php
@@ -4,8 +4,8 @@ declare(strict_types=1);
 
 namespace Plugins\Sirsoft\PayNhnkcp\Tests\Unit\Listeners;
 
-use Plugins\Sirsoft\PayNhnkcp\Listeners\RegisterEasyPayMethodsListener;
 use Plugins\Sirsoft\PayNhnkcp\Listeners\AdjustEcommercePaymentMethodsLayoutListener;
+use Plugins\Sirsoft\PayNhnkcp\Listeners\RegisterEasyPayMethodsListener;
 use Plugins\Sirsoft\PayNhnkcp\Plugin;
 use Tests\TestCase;
 
@@ -23,7 +23,7 @@ class RegisterEasyPayMethodsListenerTest extends TestCase
 
     public function test_injects_easy_pay_methods_after_phone_and_existing_easy_pay_methods(): void
     {
-        $listener = new RegisterEasyPayMethodsListener();
+        $listener = new RegisterEasyPayMethodsListener;
 
         $methods = $listener->injectEasyPayMethods([
             ['id' => 'card'],
@@ -51,15 +51,20 @@ class RegisterEasyPayMethodsListenerTest extends TestCase
 
     public function test_plugin_registers_easy_pay_hook_listeners(): void
     {
-        $listeners = (new Plugin())->getHookListeners();
+        $listeners = (new Plugin)->getHookListeners();
 
         $this->assertContains(RegisterEasyPayMethodsListener::class, $listeners);
         $this->assertContains(AdjustEcommercePaymentMethodsLayoutListener::class, $listeners);
     }
 
-    public function test_easy_pay_methods_do_not_require_pg_provider_in_saved_defaults(): void
+    public function test_easy_pay_methods_are_locked_to_own_pg_provider(): void
     {
-        $listener = new RegisterEasyPayMethodsListener();
+        // 간편결제는 NHN KCP 결제창을 통해서만 처리되므로 PG 를 자기 자신으로 고정 선언한다.
+        //
+        // 과거에는 pg_provider 를 null 로 두었고(= "PG 없는 결제수단"), 그 결과 서버가
+        // 간편결제 주문을 PG 결제가 아닌 주문으로 오인해 (a) 결제 실패했는데 관리자에게
+        // 신규주문 알림이 발송되고 (b) 임시주문이 즉시 삭제되어 재결제가 불가능해졌다(#475).
+        $listener = new RegisterEasyPayMethodsListener;
 
         $methods = $listener->injectEasyPayMethods([
             ['id' => 'phone'],
@@ -75,15 +80,22 @@ class RegisterEasyPayMethodsListenerTest extends TestCase
 
         foreach ($easyPayMethods as $method) {
             $this->assertArrayHasKey('defaults', $method);
-            $this->assertNull($method['defaults']['pg_provider'] ?? null);
+
+            // PG 고정 — null 이면 코어가 PG 없는 주문으로 오인한다.
+            $this->assertSame('nhnkcp', $method['defaults']['pg_provider'] ?? null);
+            $this->assertTrue($method['defaults']['pg_locked'] ?? false);
+            $this->assertTrue($method['defaults']['needs_pg'] ?? false);
+            $this->assertSame('pg', $method['defaults']['refund_method'] ?? null);
+
             $this->assertFalse($method['defaults']['is_active'] ?? true);
             $this->assertSame('payment_complete', $method['defaults']['stock_deduction_timing'] ?? null);
+            $this->assertSame('payment_complete', $method['defaults']['mileage_deduction_timing'] ?? null);
         }
     }
 
     public function test_easy_pay_method_labels_match_admin_payment_method_names(): void
     {
-        $listener = new RegisterEasyPayMethodsListener();
+        $listener = new RegisterEasyPayMethodsListener;
 
         $methods = $listener->injectEasyPayMethods([
             ['id' => 'phone'],
diff --git a/plugins/_bundled/sirsoft-pay_nhnkcp/tests/Unit/Upgrades/BackfillEasyPayPgProviderTest.php b/plugins/_bundled/sirsoft-pay_nhnkcp/tests/Unit/Upgrades/BackfillEasyPayPgProviderTest.php
new file mode 100644
index 00000000..4f6887c4
--- /dev/null
+++ b/plugins/_bundled/sirsoft-pay_nhnkcp/tests/Unit/Upgrades/BackfillEasyPayPgProviderTest.php
@@ -0,0 +1,174 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Plugins\Sirsoft\PayNhnkcp\Tests\Unit\Upgrades;
+
+use App\Extension\UpgradeContext;
+use App\Upgrades\Data\Ext\Plugins\SirsoftPayNhnkcp\V1_0_0_beta_4\Migrations\BackfillEasyPayPgProvider;
+use Illuminate\Support\Facades\File;
+use Tests\TestCase;
+
+require_once dirname(__DIR__, 3).'/upgrades/data/1.0.0-beta.4/migrations/BackfillEasyPayPgProvider.php';
+
+/**
+ * 저장된 주문설정의 NHN KCP 간편결제 PG 고정 백필 테스트 — 이슈 #475
+ *
+ * 기존 설치 환경의 order_settings.json 에는 간편결제가 `pg_provider: null` 로 영속화되어
+ * 있다. 서버가 이 값을 보고 간편결제 주문을 "PG 결제가 아닌 주문" 으로 오인해 결제 실패
+ * 시 관리자 알림 오발송 + 임시주문 삭제(재결제 불가) 를 일으켰다.
+ */
+class BackfillEasyPayPgProviderTest extends TestCase
+{
+    private string $settingsPath;
+
+    private bool $hadOriginalSettings = false;
+
+    private ?string $originalSettings = null;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->settingsPath = storage_path('app/modules/sirsoft-ecommerce/settings/order_settings.json');
+        $this->hadOriginalSettings = File::exists($this->settingsPath);
+        $this->originalSettings = $this->hadOriginalSettings ? File::get($this->settingsPath) : null;
+
+        File::ensureDirectoryExists(dirname($this->settingsPath));
+    }
+
+    protected function tearDown(): void
+    {
+        if ($this->hadOriginalSettings && $this->originalSettings !== null) {
+            File::put($this->settingsPath, $this->originalSettings);
+        } else {
+            File::delete($this->settingsPath);
+        }
+
+        parent::tearDown();
+    }
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=pg_locked
+     *
+     * @effects upgrade_step_backfills_settings_file, saved_null_pg_provider_self_healed
+     */
+    public function test_backfills_pg_declaration_for_nhnkcp_easy_pay_methods(): void
+    {
+        $this->writeSettings([
+            ['id' => 'card', 'pg_provider' => 'nhnkcp'],
+            ['id' => 'nhnkcp_naverpay', 'pg_provider' => null, 'is_active' => true],
+            ['id' => 'nhnkcp_applepay', 'pg_provider' => null, 'is_active' => true],
+        ]);
+
+        $this->runMigration();
+
+        $methods = $this->readMethods();
+
+        foreach (['nhnkcp_naverpay', 'nhnkcp_applepay'] as $id) {
+            $method = $methods[$id];
+            $this->assertSame('nhnkcp', $method['pg_provider'], "{$id} 의 PG 가 고정되어야 한다");
+            $this->assertTrue($method['pg_locked']);
+            $this->assertTrue($method['needs_pg']);
+            $this->assertSame('pg', $method['refund_method']);
+            $this->assertTrue($method['is_active']);
+        }
+    }
+
+    public function test_does_not_touch_other_plugins_or_builtin_methods(): void
+    {
+        $this->writeSettings([
+            ['id' => 'card', 'pg_provider' => 'nhnkcp'],
+            ['id' => 'dbank', 'pg_provider' => ''],
+            ['id' => 'kginicis_naverpay', 'pg_provider' => null],
+            ['id' => 'nhnkcp_naverpay', 'pg_provider' => null],
+        ]);
+
+        $this->runMigration();
+
+        $methods = $this->readMethods();
+
+        $this->assertSame('nhnkcp', $methods['card']['pg_provider']);
+        $this->assertArrayNotHasKey('pg_locked', $methods['card']);
+
+        $this->assertSame('', $methods['dbank']['pg_provider']);
+        $this->assertArrayNotHasKey('pg_locked', $methods['dbank']);
+
+        $this->assertNull($methods['kginicis_naverpay']['pg_provider']);
+        $this->assertArrayNotHasKey('pg_locked', $methods['kginicis_naverpay']);
+
+        $this->assertSame('nhnkcp', $methods['nhnkcp_naverpay']['pg_provider']);
+    }
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=pg_locked
+     *
+     * @effects upgrade_step_backfills_settings_file
+     */
+    public function test_is_idempotent(): void
+    {
+        $this->writeSettings([
+            ['id' => 'nhnkcp_naverpay', 'pg_provider' => null],
+        ]);
+
+        $this->runMigration();
+        $first = File::get($this->settingsPath);
+
+        $this->runMigration();
+        $second = File::get($this->settingsPath);
+
+        $this->assertSame($first, $second, '재실행해도 결과가 달라지지 않아야 한다');
+    }
+
+    public function test_skips_when_settings_file_is_missing(): void
+    {
+        File::delete($this->settingsPath);
+
+        $this->runMigration();
+
+        $this->assertFalse(File::exists($this->settingsPath));
+    }
+
+    public function test_skips_when_settings_json_is_malformed(): void
+    {
+        File::put($this->settingsPath, '{ not valid json');
+
+        $this->runMigration();
+
+        $this->assertSame('{ not valid json', File::get($this->settingsPath));
+    }
+
+    /**
+     * @param  array<int, array<string, mixed>>  $paymentMethods
+     */
+    private function writeSettings(array $paymentMethods): void
+    {
+        File::put($this->settingsPath, json_encode([
+            'payment_methods' => $paymentMethods,
+        ], JSON_THROW_ON_ERROR));
+    }
+
+    /**
+     * @return array<string, array<string, mixed>> 결제수단 ID => 설정
+     */
+    private function readMethods(): array
+    {
+        $settings = json_decode(File::get($this->settingsPath), true, flags: JSON_THROW_ON_ERROR);
+
+        $keyed = [];
+        foreach ($settings['payment_methods'] as $method) {
+            $keyed[$method['id']] = $method;
+        }
+
+        return $keyed;
+    }
+
+    private function runMigration(): void
+    {
+        (new BackfillEasyPayPgProvider)->run(new UpgradeContext(
+            fromVersion: '1.0.0-beta.3',
+            toVersion: '1.0.0-beta.4',
+            currentStep: '1.0.0-beta.4',
+        ));
+    }
+}
diff --git a/plugins/_bundled/sirsoft-pay_nhnkcp/upgrades/Upgrade_1_0_0_beta_4.php b/plugins/_bundled/sirsoft-pay_nhnkcp/upgrades/Upgrade_1_0_0_beta_4.php
new file mode 100644
index 00000000..4fad39bd
--- /dev/null
+++ b/plugins/_bundled/sirsoft-pay_nhnkcp/upgrades/Upgrade_1_0_0_beta_4.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Plugins\Sirsoft\PayNhnkcp\Upgrades;
+
+use App\Extension\AbstractUpgradeStep;
+
+/**
+ * v1.0.0-beta.4 업그레이드 스텝
+ *
+ * 저장된 이커머스 주문설정의 NHN KCP 간편결제 항목에 PG 고정 선언을 백필한다.
+ *
+ * 모든 비즈니스 로직은 data/1.0.0-beta.4/migrations/ 로 격리(AbstractUpgradeStep 규약).
+ *
+ * @upgrade-path B
+ */
+class Upgrade_1_0_0_beta_4 extends AbstractUpgradeStep {}
diff --git a/plugins/_bundled/sirsoft-pay_nhnkcp/upgrades/data/1.0.0-beta.4/migrations/BackfillEasyPayPgProvider.php b/plugins/_bundled/sirsoft-pay_nhnkcp/upgrades/data/1.0.0-beta.4/migrations/BackfillEasyPayPgProvider.php
new file mode 100644
index 00000000..d53266ec
--- /dev/null
+++ b/plugins/_bundled/sirsoft-pay_nhnkcp/upgrades/data/1.0.0-beta.4/migrations/BackfillEasyPayPgProvider.php
@@ -0,0 +1,131 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Upgrades\Data\Ext\Plugins\SirsoftPayNhnkcp\V1_0_0_beta_4\Migrations;
+
+use App\Extension\Helpers\FilePermissionHelper;
+use App\Extension\Upgrade\DataMigration;
+use App\Extension\UpgradeContext;
+use Illuminate\Support\Facades\File;
+
+/**
+ * 저장된 이커머스 주문설정의 NHN KCP 간편결제 항목에 PG 고정 선언을 백필한다.
+ *
+ * 배경 (이슈 #475):
+ *
+ * 간편결제 수단은 과거 `pg_provider: null` 로 등록되어 저장 파일에 그대로 영속화됐다.
+ * 서버는 이 값을 보고 간편결제 주문을 "PG 결제가 아닌 주문" 으로 오인했고, 그 결과
+ * (a) 결제가 실패했는데 관리자에게 신규주문 알림이 발송되고 (b) 임시주문이 즉시 삭제되어
+ * 재결제가 불가능해졌다.
+ *
+ * 현재 코드는 결제수단 카탈로그를 병합할 때 능력 선언(pg_provider / pg_locked / needs_pg /
+ * refund_method)을 플러그인 정의에서 가져오므로, 저장 파일에 남은 낡은 값이 있어도 런타임
+ * 동작은 이미 정상이다(자가 치유). 본 마이그레이션은 저장 파일 자체를 현재 선언과 일치시켜
+ * 설정 화면과 파일 내용이 어긋나 보이지 않게 한다.
+ *
+ * V-1 안전 격리 (docs/extension/upgrade-step-guide.md §13):
+ *   - 파일 시스템 + FilePermissionHelper 만 사용 (이전 버전에도 존재하던 표면)
+ *   - Service / Manager / Repository 컨테이너 해석 없음
+ */
+final class BackfillEasyPayPgProvider implements DataMigration
+{
+    /**
+     * 이커머스 모듈의 주문설정 저장 경로.
+     */
+    private const SETTINGS_PATH = 'app/modules/sirsoft-ecommerce/settings/order_settings.json';
+
+    /**
+     * 이 플러그인이 등록하는 간편결제 수단의 ID 접두사.
+     */
+    private const METHOD_PREFIX = 'nhnkcp_';
+
+    /**
+     * 이 플러그인이 제공하는 PG 식별자.
+     */
+    private const PG_PROVIDER_ID = 'nhnkcp';
+
+    /**
+     * 마이그레이션 식별자 (로그용).
+     *
+     * @return string 사람이 읽을 수 있는 짧은 식별자
+     */
+    public function name(): string
+    {
+        return 'BackfillEasyPayPgProvider';
+    }
+
+    /**
+     * 저장된 주문설정의 간편결제 항목에 PG 고정 선언을 백필한다. idempotent.
+     *
+     * @param  UpgradeContext  $context  업그레이드 컨텍스트 (로거 등)
+     */
+    public function run(UpgradeContext $context): void
+    {
+        $path = storage_path(self::SETTINGS_PATH);
+
+        if (! File::exists($path)) {
+            $context->logger->info('[nhnkcp] 이커머스 주문설정 파일 없음 — 기본값으로 동작하므로 skip');
+
+            return;
+        }
+
+        $settings = json_decode(File::get($path), true);
+        if (! is_array($settings) || ! is_array($settings['payment_methods'] ?? null)) {
+            $context->logger->warning('[nhnkcp] 주문설정 JSON 형식 비정상 — 간편결제 PG 백필 skip');
+
+            return;
+        }
+
+        $updated = 0;
+        foreach ($settings['payment_methods'] as $index => $method) {
+            if (! is_array($method)) {
+                continue;
+            }
+
+            $id = (string) ($method['id'] ?? '');
+            if (! str_starts_with($id, self::METHOD_PREFIX)) {
+                continue;
+            }
+
+            $before = [
+                $method['pg_provider'] ?? null,
+                $method['pg_locked'] ?? null,
+                $method['needs_pg'] ?? null,
+                $method['refund_method'] ?? null,
+            ];
+
+            $method['pg_provider'] = self::PG_PROVIDER_ID;
+            $method['pg_locked'] = true;
+            $method['needs_pg'] = true;
+            $method['refund_method'] = 'pg';
+
+            $after = [
+                $method['pg_provider'],
+                $method['pg_locked'],
+                $method['needs_pg'],
+                $method['refund_method'],
+            ];
+
+            if ($before !== $after) {
+                $updated++;
+            }
+
+            $settings['payment_methods'][$index] = $method;
+        }
+
+        if ($updated === 0) {
+            $context->logger->info('[nhnkcp] 간편결제 PG 선언이 이미 최신 — 변경 없음');
+
+            return;
+        }
+
+        File::put($path, json_encode($settings, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT));
+        FilePermissionHelper::inheritOwnershipFromParent($path);
+
+        $context->logger->info('[nhnkcp] 간편결제 PG 고정 선언 백필 완료', [
+            'pg_provider' => self::PG_PROVIDER_ID,
+            'updated_methods' => $updated,
+        ]);
+    }
+}
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/CHANGELOG.md b/plugins/_bundled/sirsoft-pay_nicepayments/CHANGELOG.md
index a0c1bd83..ae716150 100644
--- a/plugins/_bundled/sirsoft-pay_nicepayments/CHANGELOG.md
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/CHANGELOG.md
@@ -8,7 +8,16 @@
 
 ### Fixed
 
-- 플러그인이 활성화되어 있으면 홈, 게시판, 로그인 등 결제와 무관한 모든 페이지에서 주문서 조회 요청이 한 번씩 불필요하게 발생하던 문제를 수정했습니다. 장바구니가 없는 비회원에게는 이 요청이 매번 실패해 브라우저 오류로 기록됐습니다. 이제 결제 페이지에서만 요청합니다.
+- 플러그인이 활성화되어 있으면 홈, 게시판, 로그인 등 결제와 무관한 모든 페이지에서 주문서 조회 요청이 한 번씩 불필요하게 발생하던 문제를 수정했습니다. 장바구니가 없는 비회원에게는 이 요청이 매번 실패해 브라우저 오류로 기록됐습니다. 이제 이 요청 자체가 발생하지 않습니다.
+- 네이버페이·카카오페이·삼성페이·애플페이 등 나이스페이먼츠 간편결제로 주문할 때, 결제가 실패했는데도 관리자에게 "신규 주문 접수" 알림이 발송되던 문제를 수정했습니다.
+- 간편결제로 결제하다 실패한 뒤 다시 결제하려 하면 "임시주문을 찾을 수 없습니다" 오류가 뜨며 재결제가 불가능하던 문제를 수정했습니다. 이제 결제 실패 후에도 주문서가 유지됩니다.
+- 간편결제 주문을 취소할 때 카드 취소가 함께 이뤄지지 않을 수 있던 문제를 수정했습니다.
+
+### Changed
+
+- 간편결제가 정식 결제수단으로 취급되어 주문 내역에 실제로 선택한 결제수단(예: 네이버페이)이 그대로 기록됩니다.
+- 쇼핑몰 환경설정 > 주문설정의 결제수단 목록에서 간편결제가 "PG 고정 · 나이스페이먼츠"로 표시됩니다. 간편결제는 나이스페이먼츠 전용이므로 다른 결제대행사로 바꿀 수 없습니다.
+- 결제창을 띄우기 위해 브라우저 요청을 가로채 결제수단을 바꿔치기하던 내부 처리를 제거했습니다. 결제 진행 방식이 표준화됩니다.
 
 ### Security
 
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/dist/js/plugin.iife.js b/plugins/_bundled/sirsoft-pay_nicepayments/dist/js/plugin.iife.js
index 6c26ac7b..00a92c38 100644
--- a/plugins/_bundled/sirsoft-pay_nicepayments/dist/js/plugin.iife.js
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/dist/js/plugin.iife.js
@@ -1 +1,2 @@
-(function(){"use strict";function $e(e){return/^https?:\/\//i.test(e)||e.startsWith("/api/")?e:e.startsWith("/plugins/")?`/api${e}`:e.startsWith("plugins/")?`/api/${e}`:e}function De(e){return e.trim().slice(0,160)}async function Be(e,t="nicepay-window-closed"){if(!e.closeReportUrl)return;const n={oid:e.oid,price:Number(e.price),buyer_email:e.buyer_email??"",buyer_phone:e.buyer_phone??"",payment_method:e.payment_method??"",reason:De(t)||"nicepay-window-closed"};try{const a=window.G7Core?.api;if(typeof a?.post=="function"){await a.post(e.closeReportUrl,n);return}await fetch($e(e.closeReportUrl),{method:"POST",headers:{"Content-Type":"application/json"},body:JSON.stringify(n),keepalive:!0})}catch(a){console.warn("[sirsoft-pay_nicepayments] failed to report payment window close",a)}}function Ge(e){return new Promise((t,n)=>{if(document.querySelector(`script[src="${e}"]`)){t();return}const a=document.createElement("script");a.src=e,a.onload=()=>t(),a.onerror=()=>n(new Error(`Failed to 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i=o.lastElementChild;o.insertBefore(r,i),console.info(`[${E}] receipt button injected on order complete page`)}function dt(){const e=location.pathname.match(it);e&&lt(e[1])}function yt(){if(typeof window>"u")return;const e=window;if(e[z])return;e[z]=!0,console.info(`[${E}] order complete receipt injector installed`);const t=(a=1200)=>setTimeout(dt,a);document.readyState==="loading"?document.addEventListener("DOMContentLoaded",()=>t()):t();const n=history.pushState.bind(history);history.pushState=(...a)=>{n(...a),t()},window.addEventListener("popstate",()=>t(500))}const P="sirsoft-pay_nicepayments",Z="__nicepayOrderShowInjectorInstalled",ee="nicepay-mp-receipt-row",te="nicepay-mp-vbank-info",ut=/^\/mypage\/orders\/([^/]+)$/;function pt(e){try{const n=window.G7Core?.getState,r=n?.()?.currentDataContext?.order?.data;return!r||r.order_number!==e?null:r}catch{return null}}function mt(){return localStorage.getItem("auth_token")}async function ne(e){const t=mt();if(!t)return null;try{const n=await fetch(`/api/plugins/${P}/user/orders/${e}/receipt`,{headers:{Authorization:`Bearer ${t}`,Accept:"application/json"}});return n.ok?await n.json():null}catch{return null}}function ft(e,t){if(!t)return!1;const n=Array.from(e.querySelectorAll("div"));for(const a of n){const o=Array.from(a.children).filter(s=>s instanceof HTMLElement&&s.tagName==="SPAN");if(o.length<2)continue;const r=o[0].textContent?.trim();if(r!=="결제 방법"&&r!=="결제수단"&&r!=="Payment Method")continue;const i=o[o.length-1];return i.textContent?.trim()!==t&&(i.textContent=t,i.dataset.nicepayPaymentMethodPatched="true"),a.dataset.nicepayPaymentMethodRow="true",!0}return!1}function ht(){const e=document.getElementById("order_payment_info_panel");if(e)return Array.from(e.children).find(a=>a.className?.includes("space-y"))??e;const t=Array.from(document.querySelectorAll("h3")).find(a=>a.textContent?.includes("결제 정보"));if(!t)return null;const n=t.parentElement?.parentElement;return n?Array.from(n.children).find(a=>a.className?.includes("space-y"))??n:null}function gt(e){const t=document.createElement("div");t.id=ee,t.className="flex items-center justify-between";const n=document.createElement("span");n.className="text-gray-500 dark:text-gray-400 text-sm",n.textContent="영수증";const a=document.createElement("button");return a.type="button",a.className="inline-flex items-center gap-1 text-sm text-blue-600 dark:text-blue-400 hover:underline disabled:opacity-50",a.textContent="영수증 조회",a.addEventListener("click",async()=>{a.disabled=!0,a.textContent="로딩 중...";const o=await ne(e);a.disabled=!1,a.textContent="영수증 조회";const r=o?.receipt_url??null;r&&window.open(r,"nicepay_receipt","width=800,height=600,scrollbars=yes,resizable=yes")}),t.appendChild(n),t.appendChild(a),t}function Pt(e){if(!e)return"";try{const t=new Date(e);if(Number.isNaN(t.getTime()))return e;const n=a=>String(a).padStart(2,"0");return`${t.getFullYear()}-${n(t.getMonth()+1)}-${n(t.getDate())} ${n(t.getHours())}:${n(t.getMinutes())}:${n(t.getSeconds())}`}catch{return e}}function w(e,t,n="font-medium text-gray-900 dark:text-white"){const a=document.createElement("div");a.className="flex justify-between text-sm";const o=document.createElement("span");o.className="text-gray-600 dark:text-gray-400",o.textContent=e;const r=document.createElement("span");return r.className=n,r.textContent=t,a.appendChild(o),a.appendChild(r),a}function wt(e){const t=e.payment??{},n=document.createElement("div");n.id=te,n.className="pt-4 mt-2 border-t border-gray-200 dark:border-gray-700";const a=document.createElement("div");a.className="bg-blue-50 dark:bg-blue-900/30 border border-blue-200 dark:border-blue-700 rounded-lg p-4";const o=document.createElement("h3");o.className="text-sm font-semibold text-blue-800 dark:text-blue-300 mb-3",o.textContent="가상계좌 입금 안내";const r=document.createElement("div");r.className="space-y-2",r.appendChild(w("은행",t.vbank_name??"")),r.appendChild(w("계좌번호",t.vbank_number??"","font-medium font-mono text-gray-900 dark:text-white")),r.appendChild(w("예금주",t.vbank_holder??"")),r.appendChild(w("입금 금액",e.total_amount_formatted??"","font-bold text-blue-600 dark:text-blue-400"));const i=t.vbank_due_at;if(i){const s=document.createElement("div");s.className="flex justify-between text-sm pt-2 border-t border-blue-200 dark:border-blue-700 mt-2";const l=document.createElement("span");l.className="text-gray-600 dark:text-gray-400",l.textContent="입금 기한";const d=document.createElement("span");d.className="font-medium text-red-600 dark:text-red-400",d.textContent=Pt(i),s.appendChild(l),s.appendChild(d),r.appendChild(s)}if(a.appendChild(o),a.appendChild(r),!t.paid_at){const s=document.createElement("p");s.className="text-xs text-blue-700 dark:text-blue-300 mt-3",s.textContent="입금 기한 내에 입금이 완료되지 않으면 주문이 자동 취소됩니다.",a.appendChild(s)}return n.appendChild(a),n}async function _t(e){const t=pt(e);if(!t)return!1;const{payment:n}=t;if(!n||n.pg_provider!=="nicepayments")return!0;const a=ht();if(!a)return!1;const o=await ne(e);return ft(a,o?.payment_method_display_label),n.payment_method==="vbank"&&n.vbank_number&&!document.getElementById(te)&&(a.appendChild(wt(t)),console.info(`[${P}] vbank info injected on mypage order show`)),!n.transaction_id||!n.paid_at||document.getElementById(ee)||(a.appendChild(gt(e)),console.info(`[${P}] receipt button injected on mypage order show`)),!0}function bt(e){let t=0;const n=setInterval(()=>{t++,_t(e).then(a=>{(a||t>=30)&&clearInterval(n)})},400)}function Nt(){const e=location.pathname.match(ut);e&&bt(e[1])}function kt(){if(typeof window>"u")return;const e=window;if(e[Z])return;e[Z]=!0,console.info(`[${P}] mypage order show injector installed`);const t=(a=1500)=>setTimeout(Nt,a);document.readyState==="loading"?document.addEventListener("DOMContentLoaded",()=>t()):t();const n=history.pushState.bind(history);history.pushState=(...a)=>{n(...a),t(600)},window.addEventListener("popstate",()=>t(500))}const St="sirsoft-pay_nicepayments",ae="__nicepayAdminPaymentMethodBrandInjectorInstalled",re="__nicepayAdminPaymentMethodBrandSyncListenerAttached",Ct=/^\/admin\/ecommerce\/settings\/?$/,oe='[data-nicepay-admin-payment-brand-mark="true"]',xt=200,Et=120,At=[{id:"nicepay_naverpay",labels:["네이버페이 (나이스페이먼츠)","네이버페이로 결제 (나이스페이먼츠)","Naver Pay (NicePayments)","Pay with Naver Pay (NicePayments)"],shortLabels:[],markLines:["N"],markClassName:"bg-green-500 text-white"},{id:"nicepay_kakaopay",labels:["카카오페이 (나이스페이먼츠)","카카오페이로 결제 (나이스페이먼츠)","Kakao Pay (NicePayments)","Pay with Kakao Pay (NicePayments)"],shortLabels:[],markLines:["K"],markClassName:"bg-yellow-400 text-gray-950"},{id:"nicepay_samsungpay",labels:["삼성페이 (나이스페이먼츠)","삼성페이로 결제 (나이스페이먼츠)","Samsung Pay (NicePayments)","Pay with Samsung Pay (NicePayments)"],shortLabels:[],markLines:["S"],markClassName:"bg-blue-600 text-white"},{id:"nicepay_applepay",labels:["애플페이 (나이스페이먼츠)","애플페이로 결제 (나이스페이먼츠)","Apple Pay (NicePayments)","Pay with Apple Pay (NicePayments)"],shortLabels:[],markLines:["A"],markClassName:"bg-gray-900 text-white"},{id:"nicepay_payco",labels:["PAYCO (나이스페이먼츠)","PAYCO로 결제 (나이스페이먼츠)","PAYCO (NicePayments)","Pay with PAYCO (NicePayments)"],shortLabels:[],markLines:["P"],markClassName:"bg-red-500 text-white"},{id:"nicepay_skpay",labels:["11pay (나이스페이먼츠)","11pay로 결제 (나이스페이먼츠)","11pay (NicePayments)","Pay with 11pay (NicePayments)"],shortLabels:[],markLines:["11"],markClassName:"bg-orange-500 text-white"},{id:"nicepay_ssgpay",labels:["SSG페이 (나이스페이먼츠)","SSG페이로 결제 (나이스페이먼츠)","SSG Pay (NicePayments)","Pay with SSG Pay (NicePayments)"],shortLabels:[],markLines:["SSG"],markClassName:"bg-red-700 text-white"},{id:"nicepay_lpay",labels:["L.pay (나이스페이먼츠)","L.pay로 결제 (나이스페이먼츠)","L.pay (NicePayments)","Pay with L.pay (NicePayments)"],shortLabels:[],markLines:["L"],markClassName:"bg-purple-600 text-white"}];let ie=null,_=null,A=!1;function vt(){return window}function v(){if(!Ct.test(window.location.pathname))return!1;const e=new URLSearchParams(window.location.search).get("tab");return e===null||e===""||e==="order_settings"}function Lt(e){return e instanceof HTMLElement?e.className:""}function se(e){return(e??"").replace(/\u200B/g,"").replace(/\s+/g," ").trim()}function It(e){const t=Lt(e);return t.includes("excel-card")||t.includes("flex-center")&&t.includes("border")&&t.includes("gap-4")}function ce(e){return e.querySelector(".font-medium")}function Mt(e){const t=se(ce(e)?.textContent),n=se(e.textContent);return At.find(a=>a.shortLabels.some(o=>t===o)||a.labels.some(o=>n.includes(o)))??null}function Tt(e){return Array.from(e.querySelectorAll("div")).filter(It)}function $t(e){return Array.from(e.querySelectorAll("svg, [data-icon], i")).find(n=>!n.closest("[data-drag-handle]")&&!n.closest(oe)&&!n.closest('.row-stack, .excel-card-body, button, select, [role="switch"]'))??null}function le(e,t){e.dataset.nicepayAdminPaymentBrandMark="true",e.dataset.nicepayAdminPaymentMethod=t.id,e.setAttribute("aria-hidden","true"),e.className=`inline-flex items-center justify-center rounded-lg font-bold ${t.markClassName}`,e.style.width="32px",e.style.height="32px",e.style.flex="0 0 32px",e.style.lineHeight="1",e.style.fontSize=t.markLines.join("").length>2?"9px":"12px";const n=t.markLines.join("");e.textContent!==n&&(e.textContent=t.markLines[0]??"")}function Rt(e){const t=document.createElement("span");return le(t,e),t}function Dt(e,t){const n=e.querySelector(oe);if(n instanceof HTMLSpanElement)return e.dataset.nicepayAdminPaymentMethod=t.id,le(n,t),!0;const a=Rt(t),o=$t(e);if(o&&o.parentElement)return e.dataset.nicepayAdminPaymentMethod=t.id,o.replaceWith(a),!0;const r=ce(e);return r&&r.parentElement?(e.dataset.nicepayAdminPaymentMethod=t.id,r.parentElement.insertBefore(a,r),!0):!1}function L(e=document){if(typeof window>"u"||typeof document>"u"||!v())return!1;let t=!1;return Tt(e).forEach(n=>{const a=Mt(n);a&&Dt(n,a)&&(t=!0)}),t}function Ot(){A||(A=!0,window.setTimeout(()=>{A=!1,L()},0))}function I(){_!==null&&(window.clearInterval(_),_=null)}function M(){if(!v())return;I(),L();let e=0;_=window.setInterval(()=>{e+=1,L(),e>=Et&&I()},xt);const t=document.body;t[re]||(t[re]=!0,ie=new MutationObserver(()=>Ot()),ie.observe(document.body,{childList:!0,subtree:!0,characterData:!0}))}function de(){if(v()){M();return}I()}function Bt(){if(typeof window>"u"||typeof document>"u")return;const e=vt();if(e[ae])return;e[ae]=!0,console.info(`[${St}] admin payment method brand sync installed`),document.readyState==="loading"?document.addEventListener("DOMContentLoaded",()=>M()):M();const t=history.pushState.bind(history);history.pushState=(...n)=>{t(...n),window.setTimeout(()=>de(),200)},window.addEventListener("popstate",()=>window.setTimeout(()=>de(),200))}const T="sirsoft-pay_nicepayments",ye="__nicepayAdminPaymentDisplayInjectorInstalled",jt=/^\/admin\/ecommerce\/orders\/([^/]+)$/;function Gt(){return localStorage.getItem("auth_token")}async function qt(e){const t=Gt();if(!t)return null;try{const n=await fetch(`/api/plugins/${T}/admin/orders/${e}/transaction-status`,{headers:{Authorization:`Bearer ${t}`,Accept:"application/json"}});if(!n.ok)return null;const a=await n.json();return("data"in a?a.data:a)??null}catch{return null}}function Yt(e){return Array.from(e.children).filter(t=>t instanceof HTMLElement)}function Ht(e,t){let n=!1;const a=Array.from(e.querySelectorAll("div"));for(const o of a){const r=Yt(o),i=r.findIndex(y=>y.textContent?.trim()==="결제수단");if(i<0)continue;const s=r.slice(i+1).find(y=>y.textContent?.trim()&&y.textContent.trim()!=="결제수단");if(!s)continue;const l=r.slice(i+2).find(y=>/^\(.+\)$/.test(y.textContent?.trim()??"")),d=l?.textContent?.trim().replace(/^\(|\)$/g,"")??"",b=d&&t.endsWith(")")?t.replace(/\)$/,`, ${d})`):t;s.textContent?.trim()!==b&&(s.textContent=b,s.dataset.nicepayPaymentMethodPatched="true"),o.dataset.nicepayPaymentMethodRow="admin-order",l&&d&&(l.textContent="",l.style.display="none",l.dataset.nicepayPaymentInstallmentHidden="true"),n=!0}return n}function Ft(e,t,n){const o=Array.from(e.querySelectorAll("span")).filter(r=>r.textContent?.trim()===t).find(r=>{const i=typeof r.className=="string"?r.className:"";return i.includes("rounded-full")||i.includes("font-medium")});return o?(o.textContent=n,o.dataset.nicepayPaymentMethodPatched="true",o.dataset.nicepayPaymentMethodBadge="admin-order",!0):!1}function Kt(e,t){const n=t?._pay_method_label,a=t?._embedded_pg_provider_label,o=t?._base_pay_method_label;if(!n||!a)return!1;const r=Ht(e,n),i=o?Ft(e,o,a):!1;return r||i}async function Ut(e){const t=document.getElementById("section_payment_info")??document.getElementById("payment_info_card");if(!t)return!1;const n=await qt(e);return n&&Kt(t,n)&&console.info(`[${T}] payment method display patched on admin order detail`),!0}function Wt(e){let t=0;const n=setInterval(()=>{t++,Ut(e).then(a=>{(a||t>=30)&&clearInterval(n)})},400)}function Vt(){const e=location.pathname.match(jt);e&&Wt(e[1])}function zt(){if(typeof window>"u")return;const e=window;if(e[ye])return;e[ye]=!0,console.info(`[${T}] admin order payment display injector installed`);const t=(a=1500)=>setTimeout(Vt,a);document.readyState==="loading"?document.addEventListener("DOMContentLoaded",()=>t()):t();const n=history.pushState.bind(history);history.pushState=(...a)=>{n(...a),t(600)},window.addEventListener("popstate",()=>t(500))}const m="sirsoft-pay_nicepayments",$={info:(...e)=>console.info(`[${m}]`,...e),warn:(...e)=>console.warn(`[${m}]`,...e),error:(...e)=>console.error(`[${m}]`,...e)};function ue(){const e=window.G7Core;if(!e)return 0;const t=e.getActionDispatcher;if(typeof t!="function")return 0;const n=t();if(!n||typeof n.registerHandler!="function")return 0;let a=0;for(const[o,r]of Object.entries(G)){const i=`${m}.${o}`;n.registerHandler(i,r,{category:"plugin",source:m}),a++}return a}function pe(){Oe(),ot(),yt(),kt(),Bt(),zt();const e=()=>{const t=ue();if(t>0){$.info(`${t} handler(s) registered`),j();return}let n=0;const a=50,o=setInterval(()=>{n++;const r=ue();if(r>0){clearInterval(o),$.info(`${r} handler(s) registered (after ${n} retries)`),j();return}n>=a&&(clearInterval(o),$.warn("ActionDispatcher not available after timeout"))},100)};document.readyState==="loading"?document.addEventListener("DOMContentLoaded",e):e()}pe(),window.__SirsoftNicepayments={identifier:m,handlers:Object.keys(G),initPlugin:pe}})();
+//# sourceMappingURL=plugin.iife.js.map
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/__tests__/handlers/setPaymentMethod.test.ts b/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/__tests__/handlers/setPaymentMethod.test.ts
index e01eddb6..a88ece8e 100644
--- a/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/__tests__/handlers/setPaymentMethod.test.ts
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/__tests__/handlers/setPaymentMethod.test.ts
@@ -1,9 +1,17 @@
 /**
  * setPaymentMethod 핸들러 테스트
  *
- * 결제수단 선택 시 _local 상태에 paymentMethod / serverPaymentMethod 를 분리 저장하는
- * 동작을 검증합니다. 간편결제(`nicepay_*`)는 G7 내부적으로 카드로 취급되어
- * `serverPaymentMethod = 'card'` 가 되어야 합니다.
+ * 결제수단 선택 시 _local 상태에 선택한 결제수단 ID 를 **그대로** 저장하는 동작을 검증합니다.
+ *
+ * 과거에는 간편결제(`nicepay_*`)를 서버로 보낼 때 'card' 로 위장해야 했기 때문에
+ * `serverPaymentMethod` 를 함께 저장했습니다. 서버 검증(PaymentMethodEnum)이 확장 ID 를
+ * 422 로 막았기 때문입니다. 그 위장이 서버로 하여금 간편결제 주문을 "PG 결제가 아닌 주문"
+ * 으로 오인하게 만들어, 결제 실패 시 관리자 알림 오발송 + 임시주문 삭제(재결제 불가)를
+ * 일으켰습니다.
+ *
+ * 이제 확장 결제수단이 1급 시민이므로 위장이 없고, `serverPaymentMethod` 도 제거됐습니다.
+ *
+ * @see https://github.com/gnuboard/dev-g7/issues/475
  */
 import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
 import { setPaymentMethodHandler } from '../../handlers/setPaymentMethod';
@@ -27,50 +35,34 @@ describe('setPaymentMethodHandler', () => {
         expect(setLocalSpy).not.toHaveBeenCalled();
     });
 
-    it('일반 결제수단(card)은 paymentMethod와 serverPaymentMethod에 동일 값 저장', () => {
+    it('일반 결제수단(card)은 그대로 저장', () => {
         setPaymentMethodHandler({ params: { paymentMethod: 'card' } });
 
-        expect(setLocalSpy).toHaveBeenCalledWith({
-            paymentMethod: 'card',
-            serverPaymentMethod: 'card',
-        });
+        expect(setLocalSpy).toHaveBeenCalledWith({ paymentMethod: 'card' });
     });
 
-    it('가상계좌(vbank)도 그대로 분리 저장', () => {
+    it('가상계좌(vbank)도 그대로 저장', () => {
         setPaymentMethodHandler({ params: { paymentMethod: 'vbank' } });
 
-        expect(setLocalSpy).toHaveBeenCalledWith({
-            paymentMethod: 'vbank',
-            serverPaymentMethod: 'vbank',
-        });
+        expect(setLocalSpy).toHaveBeenCalledWith({ paymentMethod: 'vbank' });
     });
 
-    describe('간편결제 (nicepay_*)', () => {
-        it('네이버페이는 serverPaymentMethod=card 로 정규화', () => {
+    describe('간편결제 (nicepay_*) — 확장 ID 를 위장하지 않는다', () => {
+        it.each([
+            ['네이버페이', 'nicepay_naverpay'],
+            ['카카오페이', 'nicepay_kakaopay'],
+            ['애플페이', 'nicepay_applepay'],
+        ])('%s 는 확장 ID 그대로 저장된다', (_label, method) => {
+            setPaymentMethodHandler({ params: { paymentMethod: method } });
+
+            expect(setLocalSpy).toHaveBeenCalledWith({ paymentMethod: method });
+        });
+
+        it('serverPaymentMethod 를 더 이상 저장하지 않는다 (card 위장 제거)', () => {
             setPaymentMethodHandler({ params: { paymentMethod: 'nicepay_naverpay' } });
 
-            expect(setLocalSpy).toHaveBeenCalledWith({
-                paymentMethod: 'nicepay_naverpay',
-                serverPaymentMethod: 'card',
-            });
-        });
-
-        it('카카오페이도 serverPaymentMethod=card', () => {
-            setPaymentMethodHandler({ params: { paymentMethod: 'nicepay_kakaopay' } });
-
-            expect(setLocalSpy).toHaveBeenCalledWith({
-                paymentMethod: 'nicepay_kakaopay',
-                serverPaymentMethod: 'card',
-            });
-        });
-
-        it('애플페이도 serverPaymentMethod=card', () => {
-            setPaymentMethodHandler({ params: { paymentMethod: 'nicepay_applepay' } });
-
-            expect(setLocalSpy).toHaveBeenCalledWith({
-                paymentMethod: 'nicepay_applepay',
-                serverPaymentMethod: 'card',
-            });
+            const saved = setLocalSpy.mock.calls[0][0] as Record<string, unknown>;
+            expect(saved).not.toHaveProperty('serverPaymentMethod');
         });
     });
 
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/__tests__/orderResponseInterceptor.test.ts b/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/__tests__/orderResponseInterceptor.test.ts
index 965c342e..d499de08 100644
--- a/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/__tests__/orderResponseInterceptor.test.ts
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/__tests__/orderResponseInterceptor.test.ts
@@ -1,181 +1,104 @@
+/**
+ * 주문 생성 인터셉터 테스트 — 이슈 #475
+ *
+ * 확장 결제수단이 1급 시민이 되면서 인터셉터의 우회가 전부 제거됐다:
+ *   - payment_method 를 'card' 로 위장 (서버 검증이 확장 ID 를 422 로 막았기 때문)
+ *   - 응답의 requires_pg_payment / redirect_url 변조 (navigate-to-self 강제)
+ *   - pg_payment_data 재구성
+ *   - navigate-to-self 로 인한 "주문서 없음" 다이얼로그를 막기 위한 GET checkout 캐싱
+ *
+ * 위장이 서버로 하여금 간편결제 주문을 "PG 결제가 아닌 주문" 으로 오인하게 만들어
+ * (a) 결제 실패 시 관리자 알림 오발송 (b) 임시주문 삭제 → 재결제 불가 를 일으켰다.
+ *
+ * 이제 결제창 진입은 서버 응답의 pg_payment_handler 를 템플릿이 dispatch 하는 경로로
+ * 처리되고, 템플릿의 PG 분기는 navigate 를 하지 않으므로 캐싱도 불필요하다.
+ *
+ * 본 테스트는 인터셉터가 fetch 를 일절 건드리지 않음(no-op)을 회귀 방지로 고정한다.
+ */
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
 import { installOrderResponseInterceptor } from '../orderResponseInterceptor';
-import { requestPaymentHandler } from '../handlers/requestPayment';
 
-vi.mock('../handlers/requestPayment', () => ({
-    requestPaymentHandler: vi.fn(),
-}));
-
-const requestPaymentMock = vi.mocked(requestPaymentHandler);
-
-function resetNicepayWindowFlags(): void {
-    const w = window as unknown as Record<string, unknown>;
-    delete w.__sirsoftNicepayFetchInterceptorInstalled;
-    delete w.__sirsoftPgOriginalFetch;
-    delete w.__sirsoftNicepayPaymentInProgress;
-    delete w.__sirsoftNicepayCheckoutCache;
-    delete w.__sirsoftNicepayAxiosCheckoutInterceptorInstalled;
-}
-
-/** 현재 경로를 지정한다 (jsdom 은 history API 로만 pathname 변경 가능) */
-function setPathname(pathname: string): void {
-    window.history.replaceState({}, '', pathname);
-}
-
-/**
- * G7Core.api 스파이를 설치하고 get 스파이를 반환한다.
- *
- * 캐시 프리페치는 tryInstallAxiosCheckoutInterceptor 안에 있고, 이 함수는
- * `G7Core.api.client`(Axios)가 준비될 때까지 재시도하다가 준비되면 프리페치한다.
- * 따라서 client(=interceptors 를 가진 객체)를 함께 제공해야 실제 경로를 탄다.
- */
-function installCoreApiSpy(): ReturnType<typeof vi.fn> {
-    const getSpy = vi.fn().mockResolvedValue({});
-    const axiosClient = {
-        interceptors: {
-            request: { use: vi.fn() },
-            response: { use: vi.fn() },
-        },
-    };
-    (window as unknown as Record<string, unknown>).G7Core = {
-        api: { get: getSpy, client: axiosClient },
-    };
-
-    return getSpy;
-}
-
-function buildOrderResponse(order: Record<string, unknown>): Response {
-    return new Response(JSON.stringify({
-        success: true,
-        data: {
-            order,
-            requires_pg_payment: false,
-            redirect_url: '/shop/orders/ORD-NICE-001/complete',
-        },
-    }), {
-        status: 200,
-        headers: { 'Content-Type': 'application/json' },
-    });
-}
+const ORDER_CREATE_URL = '/api/modules/sirsoft-ecommerce/user/orders';
+const CHECKOUT_URL = '/api/modules/sirsoft-ecommerce/checkout';
 
 describe('installOrderResponseInterceptor', () => {
-    let originalFetch: typeof window.fetch;
-    let fetchSpy: ReturnType<typeof vi.fn>;
-
     beforeEach(() => {
-        originalFetch = window.fetch;
-        fetchSpy = vi.fn();
-        (window as unknown as Record<string, unknown>).fetch = fetchSpy;
-        resetNicepayWindowFlags();
-        requestPaymentMock.mockClear();
+        window.history.replaceState({}, '', '/shop/checkout');
+        vi.spyOn(console, 'info').mockImplementation(() => {});
     });
 
     afterEach(() => {
-        window.fetch = originalFetch;
-        resetNicepayWindowFlags();
-        delete (window as unknown as Record<string, unknown>).G7Core;
-        setPathname('/');
         vi.restoreAllMocks();
     });
 
-    describe('체크아웃 캐시 프리페치 라우트 가드', () => {
-        // 플러그인 번들은 모든 페이지에 로드된다. 캐시 프리페치는 체크아웃 페이지의
-        // navigate-to-self 재초기화를 위한 것이므로, 다른 라우트에서 발화하면
-        // 비회원에게 무의미한 422(cart_key_required) 왕복만 발생시킨다.
-        it.each([
-            ['홈', '/'],
-            ['게시판', '/board'],
-            ['로그인', '/login'],
-            ['상품 상세', '/shop/products/1'],
-            ['장바구니', '/shop/cart'],
-        ])('%s 에서는 체크아웃을 프리페치하지 않는다', async (_label, pathname) => {
-            setPathname(pathname);
-            const getSpy = installCoreApiSpy();
-
-            installOrderResponseInterceptor();
-            await vi.waitFor(() => expect(true).toBe(true));
-
-            expect(getSpy).not.toHaveBeenCalled();
-        });
-
-        it('체크아웃 페이지에서는 캐시 프리페치가 동작한다', async () => {
-            setPathname('/shop/checkout');
-            const getSpy = installCoreApiSpy();
-
-            installOrderResponseInterceptor();
-
-            await vi.waitFor(() => {
-                expect(getSpy).toHaveBeenCalledWith('/modules/sirsoft-ecommerce/checkout');
-            });
-        });
-
-        it('이미 캐시가 있으면 체크아웃 페이지에서도 재요청하지 않는다', async () => {
-            setPathname('/shop/checkout');
-            (window as unknown as Record<string, unknown>).__sirsoftNicepayCheckoutCache =
-                JSON.stringify({ data: {} });
-            const getSpy = installCoreApiSpy();
-
-            installOrderResponseInterceptor();
-            await vi.waitFor(() => expect(true).toBe(true));
-
-            expect(getSpy).not.toHaveBeenCalled();
-        });
-    });
-
-    it('간편결제 fallback pg_payment_data 금액은 total_due_amount를 우선 사용', async () => {
-        fetchSpy.mockResolvedValue(buildOrderResponse({
-            order_number: 'ORD-NICE-001',
-            total_amount: '57000.00',
-            total_due_amount: '53000.00',
-            options: [{ product_name: '테스트 상품' }],
-            orderer_name: '홍길동',
-            orderer_email: 'buyer@example.com',
-            orderer_phone: '010-1234-5678',
-            user_id: 7,
-        }));
+    it('window.fetch 를 래핑하지 않는다 (no-op)', () => {
+        const originalFetch = vi.fn();
+        window.fetch = originalFetch as unknown as typeof fetch;
 
         installOrderResponseInterceptor();
 
-        await window.fetch('/api/modules/sirsoft-ecommerce/user/orders', {
-            method: 'POST',
-            body: JSON.stringify({ payment_method: 'nicepay_kakaopay' }),
-        });
-
-        expect(requestPaymentMock).toHaveBeenCalledWith({
-            params: {
-                pgPaymentData: expect.objectContaining({
-                    order_number: 'ORD-NICE-001',
-                    order_name: '테스트 상품',
-                    amount: 53000,
-                    customer_phone: '01012345678',
-                }),
-                paymentMethod: 'nicepay_kakaopay',
-            },
-        });
+        // 래핑하면 다른 함수 참조가 된다 — 동일 참조여야 한다.
+        expect(window.fetch).toBe(originalFetch);
     });
 
-    it('total_due_amount가 없는 구형 응답은 total_amount로 fallback', async () => {
-        fetchSpy.mockResolvedValue(buildOrderResponse({
-            order_number: 'ORD-NICE-002',
-            total_amount: '57000.00',
-            options: [{ product_name: '테스트 상품' }],
-        }));
+    it('주문 생성 요청의 payment_method 를 위장하지 않는다', async () => {
+        let sentBody = '';
+        window.fetch = vi.fn().mockImplementation(async (_input: unknown, init?: RequestInit) => {
+            sentBody = String(init?.body ?? '');
+            return new Response('{}', { status: 200 });
+        }) as unknown as typeof fetch;
 
         installOrderResponseInterceptor();
 
-        await window.fetch('/api/modules/sirsoft-ecommerce/user/orders', {
+        await window.fetch(ORDER_CREATE_URL, {
             method: 'POST',
             body: JSON.stringify({ payment_method: 'nicepay_naverpay' }),
         });
 
-        expect(requestPaymentMock).toHaveBeenCalledWith({
-            params: {
-                pgPaymentData: expect.objectContaining({
-                    order_number: 'ORD-NICE-002',
-                    amount: 57000,
-                }),
-                paymentMethod: 'nicepay_naverpay',
+        expect(JSON.parse(sentBody).payment_method).toBe('nicepay_naverpay');
+    });
+
+    it('주문 생성 응답을 변조하지 않는다', async () => {
+        const serverBody = {
+            success: true,
+            data: {
+                order: { order_number: 'ORD-1' },
+                redirect_url: '/shop/orders/ORD-1/complete',
+                requires_pg_payment: true,
+                pg_provider: 'sirsoft-nicepayments',
+                pg_payment_handler: 'sirsoft-pay_nicepayments.requestPayment',
             },
-        });
+        };
+        window.fetch = vi.fn().mockResolvedValue(
+            new Response(JSON.stringify(serverBody), {
+                status: 200,
+                headers: { 'Content-Type': 'application/json' },
+            })
+        ) as unknown as typeof fetch;
+
+        installOrderResponseInterceptor();
+
+        const response = await window.fetch(ORDER_CREATE_URL, { method: 'POST', body: '{}' });
+        const body = await response.json();
+
+        expect(body.data.requires_pg_payment).toBe(true);
+        expect(body.data.redirect_url).toBe('/shop/orders/ORD-1/complete');
+        expect(body.data.pg_payment_handler).toBe('sirsoft-pay_nicepayments.requestPayment');
+    });
+
+    it('GET checkout 응답을 캐싱하거나 가로채지 않는다', async () => {
+        const checkoutResponse = new Response('{"data":{}}', { status: 200 });
+        const fetchSpy = vi.fn().mockResolvedValue(checkoutResponse);
+        window.fetch = fetchSpy as unknown as typeof fetch;
+
+        installOrderResponseInterceptor();
+
+        const first = await window.fetch(CHECKOUT_URL, { method: 'GET' });
+        const second = await window.fetch(CHECKOUT_URL, { method: 'GET' });
+
+        // 캐시 서빙이 부활하면 두 번째 호출이 네트워크로 나가지 않는다.
+        expect(fetchSpy).toHaveBeenCalledTimes(2);
+        expect(first).toBe(checkoutResponse);
+        expect(second).toBe(checkoutResponse);
     });
 });
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/handlers/requestPayment.ts b/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/handlers/requestPayment.ts
index 801c08b6..1556b885 100644
--- a/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/handlers/requestPayment.ts
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/handlers/requestPayment.ts
@@ -38,6 +38,11 @@ interface PgPaymentData {
     order_name: string;
     amount: number;
     currency?: string;
+    /**
+     * 서버가 저장한 결제수단 ID — 확장 수단이면 확장 ID 그대로(예: 'nicepay_naverpay').
+     * 확장 결제수단이 1급 시민이 되면서 서버가 원본 수단을 알고 내려준다(#475).
+     */
+    payment_method?: string;
     customer_name?: string;
     customer_email?: string;
     customer_phone?: string;
@@ -175,7 +180,11 @@ export async function requestPaymentHandler(action: PaymentAction, _context?: un
     const { pgPaymentData, paymentMethod: paramPaymentMethod } = action.params ?? {};
 
     const localState = window.__templateApp?.globalState?._local;
-    const paymentMethod = paramPaymentMethod ?? localState?.paymentMethod ?? 'card';
+    // 서버가 저장한 결제수단(payment_method)이 SSoT — 확장 수단이면 확장 ID 가 그대로 온다(#475).
+    const paymentMethod = paramPaymentMethod
+        ?? pgPaymentData?.payment_method
+        ?? localState?.paymentMethod
+        ?? 'card';
 
     if (!pgPaymentData) {
         console.error('[sirsoft-pay_nicepayments] pgPaymentData is required');
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/handlers/setPaymentMethod.ts b/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/handlers/setPaymentMethod.ts
index c264133d..28039009 100644
--- a/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/handlers/setPaymentMethod.ts
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/handlers/setPaymentMethod.ts
@@ -55,11 +55,11 @@ export function setPaymentMethodHandler(action: any): void {
     const paymentMethod = action.params?.paymentMethod;
     if (!paymentMethod) return;
 
+    // 확장 결제수단은 1급 시민 — 선택한 수단 ID 를 그대로 서버에 보낸다.
+    // (과거에는 서버 검증이 확장 ID 를 422 로 막아 'card' 로 정규화한 serverPaymentMethod 를
+    //  함께 저장했으나, 소비처가 없는 죽은 코드였고 위장 자체가 결함의 원인이었다 — #475)
     const isEasyPay = typeof paymentMethod === 'string' && paymentMethod.indexOf('nicepay_') === 0;
-    (window as any).G7Core?.state?.setLocal?.({
-        paymentMethod,
-        serverPaymentMethod: isEasyPay ? 'card' : paymentMethod,
-    });
+    (window as any).G7Core?.state?.setLocal?.({ paymentMethod });
 
     if (isEasyPay) {
         updateEasyPayButtonStyles(paymentMethod);
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/orderResponseInterceptor.ts b/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/orderResponseInterceptor.ts
index 3b0d8e21..d6b1a203 100644
--- a/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/orderResponseInterceptor.ts
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/resources/js/orderResponseInterceptor.ts
@@ -1,342 +1,49 @@
 /**
- * 주문 생성 API 요청/응답 인터셉터
+ * 주문 생성 요청/응답 인터셉터 — 제거됨 (no-op)
  *
- * G7Core 템플릿 엔진의 apiCall 핸들러는 window.fetch 를 직접 사용하므로
- * window.fetch 를 래핑하는 방식으로 동작한다.
+ * 과거에는 이 인터셉터가 다음 우회를 수행했다:
  *
- *   1. POST /api/modules/sirsoft-ecommerce/user/orders 요청을 가로챈다
- *   2. payment_method 가 'nicepay_*' 이면 'card' 로 교체해 서버에 전송
- *      (서버의 PaymentMethodEnum 에 nicepay_* 가 없어서 422 발생 방지)
- *   3. 응답에서 pg_provider === 'sirsoft-nicepayments' 이면 requestPayment 핸들러를 직접 호출
- *   4. 원래 nicepay 방식(paymentMethod)을 requestPayment 에 전달해 올바른 결제창 호출
- *   5. requires_pg_payment → false, redirect_url → 현재 URL 로 교체
- *      → 템플릿 조건 분기가 !requires_pg_payment 쪽으로 떨어져 navigate-to-self 가 됨
+ *   1. 요청 body 의 `payment_method` 를 'card' 로 위장 (서버 검증이 확장 ID 를 422 로 막았기 때문)
+ *   2. 응답의 `requires_pg_payment` 를 false 로, `redirect_url` 을 self 로 변조해
+ *      템플릿의 navigate 를 navigate-to-self 로 무력화하고 결제창을 직접 띄움
+ *   3. `pg_payment_data` 를 order 응답에서 직접 재구성
+ *   4. navigate-to-self 로 체크아웃이 재초기화될 때 뜨는 "주문서 없음" 다이얼로그를
+ *      억제하기 위한 GET checkout 응답 캐싱 (fetch + axios 양쪽)
+ *
+ * 이 우회는 두 개의 심각한 결함을 낳았다 — 서버가 간편결제 주문을 "PG 결제가 아닌 주문"
+ * 으로 오인해 (a) 결제 실패했는데 관리자에게 신규주문 알림이 발송되고 (b) 임시주문이
+ * 즉시 삭제되어 재결제가 불가능해졌다.
+ *
+ * 이제 코어가 확장 결제수단을 1급 시민으로 처리한다:
+ *   - 서버 검증이 결제수단 카탈로그를 화이트리스트로 사용 (확장 ID 통과)
+ *   - 플러그인이 `pg_provider` 를 자기 PG 로 고정 선언 → PG 결제 주문으로 정상 판정
+ *   - provider 가 선언한 `payment_handler` 가 응답의 `pg_payment_handler` 로 내려가고,
+ *     템플릿이 그 핸들러를 직접 dispatch 한다 (navigate 분기 자체가 실행되지 않음)
+ *
+ * 템플릿이 PG 분기에서 navigate 를 하지 않으므로 navigate-to-self 도, 그로 인한
+ * 체크아웃 재초기화도 발생하지 않는다. 따라서 GET checkout 캐싱도 불필요하다.
+ *
+ * 파일과 export 는 호출부(index.ts) 호환을 위해 유지하되 동작은 no-op 이다.
+ *
+ * @see https://github.com/gnuboard/dev-g7/issues/475
  */
 
-import { requestPaymentHandler } from './handlers/requestPayment';
-
-const ORDER_CREATE_PATH = '/user/orders';
-const TARGET_PG_PROVIDER = 'sirsoft-nicepayments';
 const PLUGIN_IDENTIFIER = 'sirsoft-pay_nicepayments';
-const FETCH_FLAG = '__sirsoftNicepayFetchInterceptorInstalled';
-const CHECKOUT_ENDPOINT_PATH = '/api/modules/sirsoft-ecommerce/checkout';
-const PAYMENT_IN_PROGRESS_FLAG = '__sirsoftNicepayPaymentInProgress';
-const CHECKOUT_CACHE_KEY = '__sirsoftNicepayCheckoutCache';
-
-/** 체크아웃 페이지 경로 (캐시 프리페치를 이 경로에서만 수행) */
-const CHECKOUT_ROUTE_RE = /^\/shop\/checkout\/?$/;
 
 const logger = {
     info: (...args: unknown[]) => console.info(`[${PLUGIN_IDENTIFIER}]`, ...args),
-    warn: (...args: unknown[]) => console.warn(`[${PLUGIN_IDENTIFIER}]`, ...args),
-    error: (...args: unknown[]) => console.error(`[${PLUGIN_IDENTIFIER}]`, ...args),
 };
 
-function buildNoOpRedirectUrl(): string {
-    return window.location.pathname + window.location.search + window.location.hash;
-}
-
-function isTargetOrderEndpoint(url: string, method: string): boolean {
-    if (method.toUpperCase() !== 'POST') return false;
-    const path = (url ?? '').split('?')[0].split('#')[0];
-    return path === ORDER_CREATE_PATH || path.endsWith(ORDER_CREATE_PATH);
-}
-
-function isCheckoutEndpoint(url: string, method: string): boolean {
-    if (method.toUpperCase() !== 'GET') return false;
-    const path = (url ?? '').split('?')[0].split('#')[0];
-    return path === CHECKOUT_ENDPOINT_PATH || path.endsWith(CHECKOUT_ENDPOINT_PATH);
-}
-
-/** 현재 브라우저 경로가 체크아웃 페이지인지 판정한다. */
-function isCheckoutRoute(): boolean {
-    return CHECKOUT_ROUTE_RE.test(window.location.pathname);
-}
-
-function extractPaymentMethodFromBody(body: unknown): string | undefined {
-    if (!body) return undefined;
-    let obj: Record<string, unknown> | null = null;
-    if (typeof body === 'string') {
-        try { obj = JSON.parse(body) as Record<string, unknown>; } catch { return undefined; }
-    } else if (typeof body === 'object') {
-        obj = body as Record<string, unknown>;
-    }
-    if (!obj) return undefined;
-    const v = obj['payment_method'];
-    return typeof v === 'string' && v.length > 0 ? v : undefined;
-}
-
-function replacePaymentMethodInBody(body: string, newMethod: string): string {
-    try {
-        const parsed = JSON.parse(body) as Record<string, unknown>;
-        if ('payment_method' in parsed) {
-            return JSON.stringify({ ...parsed, payment_method: newMethod });
-        }
-    } catch { /* fall through */ }
-    return body;
-}
-
-function resolveOrderPaymentAmount(orderData: Record<string, unknown>): number {
-    const candidates = [orderData.total_due_amount, orderData.total_amount];
-    for (const candidate of candidates) {
-        const amount = Number(candidate ?? 0);
-        if (Number.isFinite(amount) && amount > 0) {
-            return Math.floor(amount);
-        }
-    }
-
-    return 0;
-}
-
+/**
+ * 주문 생성 인터셉터 — 더 이상 fetch 를 래핑하지 않는다.
+ *
+ * 결제창 진입은 코어 응답의 `pg_payment_handler` 를 템플릿이 dispatch 하는 경로로 처리된다.
+ */
 export function installOrderResponseInterceptor(): void {
-    const w = window as unknown as Record<string, unknown>;
-    if (w[FETCH_FLAG]) return;
-    w[FETCH_FLAG] = true;
-
-    // 최초 설치 플러그인이 원본 브라우저 fetch를 보존 (다른 PG 인터셉터가 쌓이기 전)
-    // easy pay 요청 시 이 fetch를 사용해 다른 PG 인터셉터(NHN KCP 등)의 간섭을 차단한다
-    const ORIGINAL_FETCH_KEY = '__sirsoftPgOriginalFetch';
-    if (!w[ORIGINAL_FETCH_KEY]) {
-        w[ORIGINAL_FETCH_KEY] = window.fetch.bind(window);
-    }
-    const browserFetch = w[ORIGINAL_FETCH_KEY] as typeof fetch;
-
-    const originalFetch = window.fetch.bind(window);
-
-    window.fetch = async (input: RequestInfo | URL, init?: RequestInit): Promise<Response> => {
-        const url =
-            typeof input === 'string'
-                ? input
-                : input instanceof URL
-                    ? input.href
-                    : (input as Request).url;
-        const method = init?.method ?? (input instanceof Request ? input.method : 'GET');
-
-        // GET checkout 캐싱 — 결제 진행 중 페이지 재초기화 시 "주문서 없음" 다이얼로그 억제
-        if (isCheckoutEndpoint(url, method)) {
-            if (w[PAYMENT_IN_PROGRESS_FLAG] && w[CHECKOUT_CACHE_KEY]) {
-                logger.info('payment in progress — serving cached checkout response');
-                return new Response(w[CHECKOUT_CACHE_KEY] as string, {
-                    status: 200,
-                    headers: { 'Content-Type': 'application/json' },
-                });
-            }
-            const checkoutResp = await originalFetch(input, init);
-            if (checkoutResp.ok) {
-                const text = await checkoutResp.text();
-                w[CHECKOUT_CACHE_KEY] = text;
-                return new Response(text, {
-                    status: checkoutResp.status,
-                    statusText: checkoutResp.statusText,
-                    headers: checkoutResp.headers,
-                });
-            }
-            return checkoutResp;
-        }
-
-        if (!isTargetOrderEndpoint(url, method)) {
-            return originalFetch(input, init);
-        }
-
-        // 요청 body에서 payment_method 추출. nicepay_* (간편결제) 만 'card' 로 교체.
-        // 일반 결제수단(card / vbank / bank / phone)도 그대로 보존해 requestPaymentHandler
-        // 호출 시 정확한 결제수단으로 결제창을 연다 (이전엔 nicepay_* 만 추적해서
-        // 가상계좌/계좌이체/휴대폰 선택 시 'card' 로 폴백되는 회귀가 있었음).
-        let originalPaymentMethod: string | undefined;
-        let isEasyPay = false;
-        let modifiedInit = init;
-
-        if (init?.body && typeof init.body === 'string') {
-            const pm = extractPaymentMethodFromBody(init.body);
-            if (typeof pm === 'string' && pm.length > 0) {
-                originalPaymentMethod = pm;
-                if (pm.startsWith('nicepay_')) {
-                    isEasyPay = true;
-                    modifiedInit = { ...init, body: replacePaymentMethodInBody(init.body, 'card') };
-                    logger.info(`easy pay detected: replacing payment_method '${pm}' → 'card'`);
-                }
-            }
-        }
-
-        // easy pay일 때는 browserFetch(원본)를 사용해 NHN KCP 등 다른 PG 인터셉터를 우회한다.
-        // "타 PG와 사용가능함"이 ON이고 기본 PG가 NHN KCP일 때 NHN KCP 결제창이 먼저 열리는 것을 방지.
-        const fetchFn = isEasyPay ? browserFetch : originalFetch;
-        const response = await fetchFn(input, modifiedInit);
-
-        // 2xx 응답만 처리 (4xx/5xx 오류 응답은 그대로 통과)
-        if (!response.ok) {
-            return response;
-        }
-
-        // 응답 파싱 (clone으로 원본 스트림 보호)
-        // 서버 응답 구조: { success, message, data: { order, requires_pg_payment, pg_provider, pg_payment_data, redirect_url } }
-        let envelope: Record<string, unknown> | null = null;
-        try {
-            envelope = (await response.clone().json()) as Record<string, unknown>;
-        } catch {
-            return response;
-        }
-
-        const responseData = (envelope?.data ?? envelope) as Record<string, unknown> | null;
-
-        // 일반 결제: PG 결제가 필요 없으면 통과
-        // 간편결제(nicepay_*): requires_pg_payment=false여도 계속 처리
-        //   → 기본 PG가 미설정이면 백엔드가 requires_pg_payment:false를 반환하지만
-        //     간편결제는 나이스페이먼츠 결제창을 열어야 하므로 통과시킴 (취약점 방어)
-        if (!responseData?.requires_pg_payment && !isEasyPay) {
-            return response;
-        }
-
-        // easy pay: pg_provider 무관하게 나이스페이 처리
-        // 일반 결제: pg_provider가 나이스페이인 경우에만 처리 (나이스페이가 기본 PG일 때)
-        const isNicepayPg = responseData.pg_provider === TARGET_PG_PROVIDER;
-
-        if (!isEasyPay && !isNicepayPg) {
-            return response;
-        }
-
-        // pg_payment_data: 백엔드 응답에 포함되거나,
-        // 간편결제 + 기본 PG 미설정 시 order 데이터에서 직접 구성
-        let pgPaymentData = responseData.pg_payment_data as Record<string, unknown> | undefined;
-        if (!pgPaymentData && isEasyPay) {
-            const orderData = responseData.order as Record<string, unknown> | undefined;
-            if (orderData) {
-                const options = orderData.options as Array<Record<string, unknown>> | undefined;
-                const firstName = (options?.[0]?.product_name as string | undefined) ?? String(orderData.order_number ?? '');
-                const orderName = (options?.length ?? 0) > 1
-                    ? `${firstName} 외 ${(options?.length ?? 0) - 1}건`
-                    : firstName;
-                pgPaymentData = {
-                    order_number: orderData.order_number,
-                    order_name: orderName,
-                    // PG 청구액 SSoT는 total_due_amount. 구형 응답 호환만 total_amount로 fallback.
-                    amount: resolveOrderPaymentAmount(orderData),
-                    currency: 'KRW',
-                    customer_name: orderData.orderer_name ?? null,
-                    customer_email: orderData.orderer_email ?? null,
-                    customer_phone: String(orderData.orderer_phone ?? '').replace(/[^0-9]/g, ''),
-                    customer_key: orderData.user_id ?? null,
-                };
-                logger.info('pg_payment_data constructed from order (기본 PG 미설정)', {
-                    order_number: pgPaymentData.order_number,
-                    amount: pgPaymentData.amount,
-                });
-            }
-        }
-
-        if (!pgPaymentData) {
-            logger.warn('nicepayments order detected but pg_payment_data missing');
-            return response;
-        }
-
-        const paymentMethod = originalPaymentMethod ?? 'card';
-
-        logger.info('intercepted order create response — opening PG popup', { paymentMethod });
-
-        void requestPaymentHandler({
-            // eslint-disable-next-line @typescript-eslint/no-explicit-any
-            params: { pgPaymentData: pgPaymentData as any, paymentMethod },
-        });
-
-        // 결제 진행 중 플래그 설정 — GET checkout 캐시 서빙으로 "주문서 없음" 다이얼로그 억제
-        w[PAYMENT_IN_PROGRESS_FLAG] = true;
-
-        // 결제창(팝업)이 열려 있는 동안 checkout 페이지에 머물도록
-        // redirect_url을 항상 현재 URL(navigate-to-self)로 교체한다.
-        // → 템플릿 fallback navigate가 무력화되어 "결제 완료" 페이지로 이동하지 않음
-        // → 실제 결제 완료 후 requestPaymentHandler 콜백이 complete 페이지로 이동시킴
-        // navigate-to-self로 checkout 재초기화 시 GET checkout 404 → "주문서 없음" 다이얼로그가
-        //   뜰 수 있으나, PAYMENT_IN_PROGRESS_FLAG + 캐시 서빙으로 억제된다.
-
-        // envelope.data 안에 있는 경우와 최상위에 있는 경우 모두 처리
-        const modifiedData = { ...responseData, requires_pg_payment: false, redirect_url: buildNoOpRedirectUrl() };
-        const modifiedBody = envelope?.data
-            ? { ...envelope, data: modifiedData }
-            : modifiedData;
-
-        return new Response(JSON.stringify(modifiedBody), {
-            status: response.status,
-            statusText: response.statusText,
-            headers: response.headers,
-        });
-    };
-
-    logger.info('fetch order interceptor installed');
-
-    // Axios 인터셉터 설치 — GET checkout 캐싱 및 결제 중 캐시 서빙
-    // G7Core.api.client(Axios)가 초기화된 후 설치해야 하므로 비동기로 재시도
-    tryInstallAxiosCheckoutInterceptor(w, 15);
+    logger.info('order interceptor is a no-op — payment entry is dispatched via pg_payment_handler');
 }
 
-const AXIOS_CHECKOUT_FLAG = '__sirsoftNicepayAxiosCheckoutInterceptorInstalled';
-
-function tryInstallAxiosCheckoutInterceptor(w: Record<string, unknown>, retries: number): void {
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    const axiosClient = ((window as any)?.G7Core?.api?.client) as any;
-    if (!axiosClient?.interceptors) {
-        if (retries > 0) {
-            setTimeout(() => tryInstallAxiosCheckoutInterceptor(w, retries - 1), 300);
-        }
-        return;
-    }
-
-    if (w[AXIOS_CHECKOUT_FLAG]) return;
-    w[AXIOS_CHECKOUT_FLAG] = true;
-
-    // 응답 인터셉터: GET checkout 성공 시 캐시 저장
-    // Axios config.url은 baseURL을 포함하지 않으므로 (config.baseURL ?? '') + config.url 로 완성
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    axiosClient.interceptors.response.use((response: any) => {
-        const method = (response?.config?.method ?? '').toLowerCase();
-        const url = String((response?.config?.baseURL ?? '') + (response?.config?.url ?? ''));
-        if (method === 'get' && isCheckoutEndpoint(url, 'GET') && response?.status === 200) {
-            w[CHECKOUT_CACHE_KEY] = JSON.stringify(response.data);
-            logger.info('checkout response cached (axios)');
-        }
-        return response;
-    });
-
-    // 요청 인터셉터: 결제 진행 중 GET checkout을 캐시에서 반환
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    axiosClient.interceptors.request.use((config: any) => {
-        const method = (config?.method ?? '').toLowerCase();
-        const url = String((config?.baseURL ?? '') + (config?.url ?? ''));
-        if (method === 'get' && isCheckoutEndpoint(url, 'GET') && w[PAYMENT_IN_PROGRESS_FLAG] && w[CHECKOUT_CACHE_KEY]) {
-            logger.info('payment in progress — serving cached checkout response (axios)');
-            // adapter를 Promise.resolve로 교체해 실제 요청 없이 캐시 반환
-            config.adapter = () => Promise.resolve({
-                data: JSON.parse(w[CHECKOUT_CACHE_KEY] as string),
-                status: 200,
-                statusText: 'OK (cached)',
-                headers: { 'content-type': 'application/json' },
-                config,
-                request: {},
-            });
-        }
-        return config;
-    });
-
-    logger.info('axios checkout interceptor installed');
-
-    // 인터셉터 설치 직후 GET checkout 즉시 캐싱 — navigate-to-self 재초기화 대비
-    //
-    // 체크아웃 페이지에서만 수행한다. 플러그인 번들은 모든 페이지에 로드되므로 경로를
-    // 가리지 않으면 홈/게시판/로그인 등 어디서나 이 요청이 나가고, 장바구니가 없는
-    // 비회원은 매 페이지 422(cart_key_required)를 받는다. 캐시는 체크아웃 페이지의
-    // navigate-to-self 재초기화 대비용이므로 다른 경로에서는 만들 이유가 없다.
-    if (isCheckoutRoute() && !w[CHECKOUT_CACHE_KEY]) {
-        void (async () => {
-            try {
-                // eslint-disable-next-line @typescript-eslint/no-explicit-any
-                const coreApi = ((window as any)?.G7Core?.api) as { get?: (url: string) => Promise<unknown> } | undefined;
-                await coreApi?.get?.('/modules/sirsoft-ecommerce/checkout');
-                // 응답은 Axios 응답 인터셉터가 자동으로 캐싱함
-            } catch { /* 체크아웃 세션 없으면 실패 — 무시 */ }
-        })();
-    }
-}
-
-/** @deprecated Axios 인터셉터 방식 — apiCall 핸들러가 window.fetch 를 사용하므로 동작하지 않음. installOrderResponseInterceptor 를 사용할 것. */
+/** @deprecated Axios 인터셉터 방식 — 사용하지 않는다. */
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 export function installAxiosOrderInterceptor(_axiosClient: any): void {
     // no-op
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/src/Controllers/AdminVbankNotificationController.php b/plugins/_bundled/sirsoft-pay_nicepayments/src/Controllers/AdminVbankNotificationController.php
index 1082c1ec..04cd5c50 100644
--- a/plugins/_bundled/sirsoft-pay_nicepayments/src/Controllers/AdminVbankNotificationController.php
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/src/Controllers/AdminVbankNotificationController.php
@@ -30,8 +30,7 @@ class AdminVbankNotificationController
 {
     public function __construct(
         private readonly OrderProcessingService $orderService
-    ) {
-    }
+    ) {}
 
     /**
      * 가상계좌 입금통보 이력 조회
@@ -55,7 +54,7 @@ class AdminVbankNotificationController
         }
 
         $payment = $order->payment;
-        if (! $payment || $payment->payment_method?->value !== 'vbank') {
+        if (! $payment || ! $payment->isVirtualAccount()) {
             return response()->json([
                 'success' => true,
                 'data' => ['notifications' => [], 'summary' => null],
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/src/Controllers/AdminVbankRefundController.php b/plugins/_bundled/sirsoft-pay_nicepayments/src/Controllers/AdminVbankRefundController.php
index f13c200a..6a1809ae 100644
--- a/plugins/_bundled/sirsoft-pay_nicepayments/src/Controllers/AdminVbankRefundController.php
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/src/Controllers/AdminVbankRefundController.php
@@ -12,7 +12,6 @@ use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Log;
 use Modules\Sirsoft\Ecommerce\Enums\OrderStatusEnum;
-use Modules\Sirsoft\Ecommerce\Enums\PaymentMethodEnum;
 use Modules\Sirsoft\Ecommerce\Enums\PaymentStatusEnum;
 use Modules\Sirsoft\Ecommerce\Models\Order;
 use Modules\Sirsoft\Ecommerce\Models\OrderPayment;
@@ -182,7 +181,7 @@ class AdminVbankRefundController extends AdminBaseController
     private function isRefundableVbankPayment(OrderPayment $payment, string $tid): bool
     {
         return $payment->pg_provider === 'nicepayments'
-            && $payment->payment_method === PaymentMethodEnum::VBANK
+            && $payment->isVirtualAccount()
             && $payment->payment_status === PaymentStatusEnum::PAID
             && $payment->paid_at !== null
             && $payment->vbank_number !== null
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/src/Controllers/PaymentCallbackController.php b/plugins/_bundled/sirsoft-pay_nicepayments/src/Controllers/PaymentCallbackController.php
index 3f4fdae5..3bcb2101 100644
--- a/plugins/_bundled/sirsoft-pay_nicepayments/src/Controllers/PaymentCallbackController.php
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/src/Controllers/PaymentCallbackController.php
@@ -8,7 +8,6 @@ use App\Contracts\Extension\CacheInterface;
 use App\Extension\HookManager;
 use App\Services\PluginSettingsService;
 use Carbon\Carbon;
-use InvalidArgumentException;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
@@ -16,6 +15,7 @@ use Illuminate\Http\Response;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Log;
 use Illuminate\Support\Facades\RateLimiter;
+use InvalidArgumentException;
 use Modules\Sirsoft\Ecommerce\Enums\OrderStatusEnum;
 use Modules\Sirsoft\Ecommerce\Enums\PaymentStatusEnum;
 use Modules\Sirsoft\Ecommerce\Exceptions\PaymentAmountMismatchException;
@@ -23,8 +23,8 @@ use Modules\Sirsoft\Ecommerce\Helpers\DeviceDetector;
 use Modules\Sirsoft\Ecommerce\Models\Order;
 use Modules\Sirsoft\Ecommerce\Models\OrderPayment;
 use Modules\Sirsoft\Ecommerce\Services\OrderProcessingService;
-use Plugins\Sirsoft\PayNicepayments\Concerns\PreventsReplayCallback;
 use Plugins\Sirsoft\PayNicepayments\Concerns\IssuesReceiptCookie;
+use Plugins\Sirsoft\PayNicepayments\Concerns\PreventsReplayCallback;
 use Plugins\Sirsoft\PayNicepayments\Concerns\RecordsPaymentWindowClosure;
 use Plugins\Sirsoft\PayNicepayments\Concerns\ResolvesEasyPayDisplay;
 use Plugins\Sirsoft\PayNicepayments\Concerns\SanitizesPgResponse;
@@ -42,8 +42,8 @@ use Plugins\Sirsoft\PayNicepayments\Support\UrlHelper;
  */
 class PaymentCallbackController
 {
-    use PreventsReplayCallback;
     use IssuesReceiptCookie;
+    use PreventsReplayCallback;
     use RecordsPaymentWindowClosure;
     use ResolvesEasyPayDisplay;
     use SanitizesPgResponse;
@@ -875,7 +875,7 @@ class PaymentCallbackController
         string $tid,
         int $amount,
     ): ?string {
-        if (! in_array($payment->payment_method?->value, ['vbank', 'virtual_account'], true)) {
+        if (! $payment->isVirtualAccount()) {
             return 'payment_method_not_vbank';
         }
 
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/src/Listeners/AdjustEcommercePaymentMethodsLayoutListener.php b/plugins/_bundled/sirsoft-pay_nicepayments/src/Listeners/AdjustEcommercePaymentMethodsLayoutListener.php
index 79ac79f1..a7573c63 100644
--- a/plugins/_bundled/sirsoft-pay_nicepayments/src/Listeners/AdjustEcommercePaymentMethodsLayoutListener.php
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/src/Listeners/AdjustEcommercePaymentMethodsLayoutListener.php
@@ -7,7 +7,10 @@ namespace Plugins\Sirsoft\PayNicepayments\Listeners;
 use App\Contracts\Extension\HookListenerInterface;
 
 /**
- * 이커머스 결제수단 설정 화면에서 나이스페이먼츠 간편결제를 PG 선택 불필요 항목으로 표시한다.
+ * 이커머스 결제수단 설정 화면에 나이스페이먼츠 테스트모드 경고를 주입한다.
+ *
+ * 간편결제의 PG 표시(PG 고정 배지)는 코어 레이아웃이 결제수단 카탈로그의 pg_locked /
+ * needs_pg 를 읽어 직접 처리하므로 이 리스너가 관여하지 않는다(#475).
  */
 class AdjustEcommercePaymentMethodsLayoutListener implements HookListenerInterface
 {
@@ -24,19 +27,6 @@ class AdjustEcommercePaymentMethodsLayoutListener implements HookListenerInterfa
 
     private const TEST_MODE_CONDITION = 'nicepay_test_mode_status.data?.is_test_mode === true';
 
-    private const CORE_NO_PG_METHODS = ['point', 'deposit', 'free', 'dbank'];
-
-    private const NICEPAY_NO_PG_METHODS = [
-        'nicepay_naverpay',
-        'nicepay_kakaopay',
-        'nicepay_samsungpay',
-        'nicepay_applepay',
-        'nicepay_payco',
-        'nicepay_skpay',
-        'nicepay_ssgpay',
-        'nicepay_lpay',
-    ];
-
     /**
      * 이 리스너가 구독하는 훅 정의를 반환합니다.
      *
@@ -46,7 +36,7 @@ class AdjustEcommercePaymentMethodsLayoutListener implements HookListenerInterfa
     {
         return [
             'core.layout_extension.after_apply' => [
-                'method' => 'markEasyPayMethodsAsPgNotRequired',
+                'method' => 'adjustPaymentMethodsLayout',
                 'type' => 'filter',
                 'priority' => 40,
             ],
@@ -59,78 +49,30 @@ class AdjustEcommercePaymentMethodsLayoutListener implements HookListenerInterfa
     public function handle(...$args): void {}
 
     /**
-     * 이커머스 결제수단 설정 레이아웃에 나이스페이먼츠 간편결제를 PG 선택 불필요 항목으로 반영합니다.
+     * 이커머스 결제수단 설정 레이아웃에 테스트모드 경고를 주입합니다.
+     *
+     * 과거에는 코어 레이아웃의 "PG 불필요 결제수단" 하드코딩 배열 표현식을 정규식으로 찾아
+     * 간편결제를 그 목록에 덧붙여 PG 선택 셀렉트를 숨겼다. 그러나 간편결제는 "PG 불필요" 가
+     * 아니라 "PG 고정" 이며, 이 표시 왜곡은 서버가 간편결제를 PG 없는 주문으로 오인하던
+     * 결함과 짝을 이뤘다(#475). 정규식 치환은 플러그인이 여럿 설치되면 서로의 결과 위에
+     * 누적 적용되어 충돌할 위험도 있었다.
+     *
+     * 이제 결제수단 카탈로그가 `pg_locked` / `needs_pg` 를 내려주고 코어 레이아웃이 그 값으로
+     * 직접 3분기(PG 고정 배지 / PG 선택 / PG 불필요)하므로 치환이 불필요하다.
      *
      * @param  array<string, mixed>  $layout  대상 레이아웃 정의
      * @param  int  $templateId  레이아웃이 속한 템플릿 ID
      * @return array<string, mixed> 보정된 레이아웃 정의
      */
-    public function markEasyPayMethodsAsPgNotRequired(array $layout, int $templateId): array
+    public function adjustPaymentMethodsLayout(array $layout, int $templateId): array
     {
         if (($layout['layout_name'] ?? '') !== self::TARGET_LAYOUT) {
             return $layout;
         }
 
-        $layout = $this->replaceNoPgMethodExpressions($layout);
-
         return $this->ensureTestModeWarning($layout);
     }
 
-    /**
-     * 레이아웃 노드를 재귀 순회하며 PG 불필요 결제수단 표현식에 나이스페이먼츠 간편결제를 추가합니다.
-     *
-     * @param  array<string, mixed>  $node  순회 대상 노드
-     * @return array<string, mixed> 치환이 반영된 노드
-     */
-    private function replaceNoPgMethodExpressions(array $node): array
-    {
-        foreach ($node as $key => $value) {
-            if (is_array($value)) {
-                $node[$key] = $this->replaceNoPgMethodExpressions($value);
-
-                continue;
-            }
-
-            if (is_string($value)) {
-                $node[$key] = $this->addNicepayMethodsToNoPgArray($value);
-            }
-        }
-
-        return $node;
-    }
-
-    /**
-     * 코어 PG 불필요 결제수단 배열 표현식을 찾아 나이스페이먼츠 간편결제 수단을 덧붙입니다.
-     *
-     * @param  string  $expression  대상 표현식
-     * @return string 나이스페이먼츠 수단이 추가된 표현식 (대상이 아니면 원본 그대로)
-     */
-    private function addNicepayMethodsToNoPgArray(string $expression): string
-    {
-        return preg_replace_callback(
-            '/\[((?:\'[^\']+\'\s*,?\s*)+)\]\.includes\(\$method\.id\)/',
-            function (array $matches): string {
-                preg_match_all("/'([^']+)'/", $matches[1], $tokenMatches);
-                $ids = $tokenMatches[1] ?? [];
-
-                foreach (self::CORE_NO_PG_METHODS as $coreId) {
-                    if (! in_array($coreId, $ids, true)) {
-                        return $matches[0];
-                    }
-                }
-
-                foreach (self::NICEPAY_NO_PG_METHODS as $methodId) {
-                    if (! in_array($methodId, $ids, true)) {
-                        $ids[] = $methodId;
-                    }
-                }
-
-                return "['".implode("','", $ids)."'].includes(\$method.id)";
-            },
-            $expression
-        ) ?? $expression;
-    }
-
     /**
      * 테스트 모드 경고에 필요한 데이터 소스와 안내 노드를 레이아웃에 보장합니다.
      *
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/src/Listeners/RegisterEasyPayMethodsListener.php b/plugins/_bundled/sirsoft-pay_nicepayments/src/Listeners/RegisterEasyPayMethodsListener.php
index e79a2e1c..0aa787cd 100644
--- a/plugins/_bundled/sirsoft-pay_nicepayments/src/Listeners/RegisterEasyPayMethodsListener.php
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/src/Listeners/RegisterEasyPayMethodsListener.php
@@ -15,6 +15,11 @@ class RegisterEasyPayMethodsListener implements HookListenerInterface
 {
     private const PLUGIN_IDENTIFIER = 'sirsoft-pay_nicepayments';
 
+    /**
+     * 이 플러그인이 제공하는 PG 식별자 (RegisterPgProviderListener 의 provider id 와 일치).
+     */
+    private const PG_PROVIDER_ID = 'nicepayments';
+
     private const EASY_PAY_METHODS = [
         [
             'id' => 'nicepay_naverpay',
@@ -81,12 +86,12 @@ class RegisterEasyPayMethodsListener implements HookListenerInterface
     }
 
     /**
-     * @param mixed ...$args
+     * @param  mixed  ...$args
      */
     public function handle(...$args): void {}
 
     /**
-     * @param array<int, array<string, mixed>> $methods
+     * @param  array<int, array<string, mixed>>  $methods
      * @return array<int, array<string, mixed>>
      */
     public function injectEasyPayMethods(array $methods): array
@@ -120,7 +125,7 @@ class RegisterEasyPayMethodsListener implements HookListenerInterface
     }
 
     /**
-     * @param array<int, array<string, mixed>> $methods
+     * @param  array<int, array<string, mixed>>  $methods
      */
     private function resolveInsertionIndex(array $methods): ?int
     {
@@ -165,12 +170,19 @@ class RegisterEasyPayMethodsListener implements HookListenerInterface
                 'en' => __($descriptionKey, [], 'en'),
             ],
             'icon' => $icon,
-            'source' => 'plugin:' . self::PLUGIN_IDENTIFIER,
+            'source' => 'plugin:'.self::PLUGIN_IDENTIFIER,
             'defaults' => [
-                'pg_provider' => null,
+                // 간편결제는 나이스페이먼츠 결제창을 통해서만 처리되므로 PG 를 자기 자신으로 고정한다.
+                // null 로 두면 코어가 PG 없는 결제수단으로 오인해 결제 실패 주문에 관리자 알림이
+                // 발송되고 임시주문이 삭제되어 재결제가 막힌다(#475).
+                'pg_provider' => self::PG_PROVIDER_ID,
+                'pg_locked' => true,
+                'needs_pg' => true,
+                'refund_method' => 'pg',
                 'is_active' => false,
                 'min_order_amount' => 0,
                 'stock_deduction_timing' => 'payment_complete',
+                'mileage_deduction_timing' => 'payment_complete',
             ],
         ];
     }
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/src/Listeners/RegisterPgProviderListener.php b/plugins/_bundled/sirsoft-pay_nicepayments/src/Listeners/RegisterPgProviderListener.php
index 82347fdd..596c2614 100644
--- a/plugins/_bundled/sirsoft-pay_nicepayments/src/Listeners/RegisterPgProviderListener.php
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/src/Listeners/RegisterPgProviderListener.php
@@ -52,6 +52,10 @@ class RegisterPgProviderListener implements HookListenerInterface
             'name' => localized_label(nameKey: 'sirsoft-pay_nicepayments::provider.name'),
             'icon' => 'credit-card',
             'supported_methods' => ['card', 'bank_transfer', 'virtual_account', 'mobile'],
+            // 코어의 provider-agnostic 결제 진입 dispatch — 주문 응답의 pg_payment_handler 로
+            // 내려가 템플릿이 그대로 호출한다. 미선언 시 프론트가 응답을 변조해 결제창을
+            // 직접 띄우는 우회가 필요해진다(#475).
+            'payment_handler' => 'sirsoft-pay_nicepayments.requestPayment',
         ];
 
         return $providers;
@@ -125,6 +129,6 @@ class RegisterPgProviderListener implements HookListenerInterface
             return '';
         }
 
-        return str_starts_with($suffix, 'SR') ? $suffix : 'SR' . $suffix;
+        return str_starts_with($suffix, 'SR') ? $suffix : 'SR'.$suffix;
     }
 }
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/tests/Unit/Listeners/AdjustEcommercePaymentMethodsLayoutListenerTest.php b/plugins/_bundled/sirsoft-pay_nicepayments/tests/Unit/Listeners/AdjustEcommercePaymentMethodsLayoutListenerTest.php
index addb16c2..a3d5ac0f 100644
--- a/plugins/_bundled/sirsoft-pay_nicepayments/tests/Unit/Listeners/AdjustEcommercePaymentMethodsLayoutListenerTest.php
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/tests/Unit/Listeners/AdjustEcommercePaymentMethodsLayoutListenerTest.php
@@ -18,14 +18,18 @@ class AdjustEcommercePaymentMethodsLayoutListenerTest extends TestCase
             $hooks['core.layout_extension.after_apply']['type'] ?? null
         );
         $this->assertSame(
-            'markEasyPayMethodsAsPgNotRequired',
+            'adjustPaymentMethodsLayout',
             $hooks['core.layout_extension.after_apply']['method'] ?? null
         );
     }
 
-    public function test_marks_nicepay_easy_pay_methods_as_pg_not_required_in_admin_ecommerce_settings(): void
+    public function test_does_not_string_substitute_pg_branch_expressions(): void
     {
-        $listener = new AdjustEcommercePaymentMethodsLayoutListener();
+        // 코어 레이아웃은 이제 pg_locked / needs_pg 로 직접 분기한다(#475).
+        // 리스너가 표현식을 치환하면 코어의 분기 로직을 훼손하고, 플러그인이 여럿 설치되면
+        // 서로의 치환 결과 위에 누적 적용되어 충돌한다 (과거 이 테스트의 fixture 에
+        // kginicis / nhnkcp 의 ID 가 이미 섞여 있던 것이 그 증거다).
+        $listener = new AdjustEcommercePaymentMethodsLayoutListener;
 
         $layout = [
             'layout_name' => 'admin_ecommerce_settings',
@@ -33,38 +37,26 @@ class AdjustEcommercePaymentMethodsLayoutListenerTest extends TestCase
                 [
                     'type' => 'basic',
                     'name' => 'Select',
-                    'if' => "{{!['point','deposit','free','dbank'].includes(\$method.id) && (_local.form?.available_pg_providers ?? []).length > 0}}",
-                ],
-                [
-                    'type' => 'composite',
-                    'name' => 'Toggle',
-                    'props' => [
-                        'disabled' => "{{_computed.isReadOnly || !['point','deposit','free','dbank','kginicis_naverpay','nhnkcp_payco'].includes(\$method.id) && !\$method.pg_provider && !_local.form?.order_settings?.default_pg_provider}}",
-                    ],
+                    'if' => '{{!$method.pg_locked && $method.needs_pg && (_local.form?.available_pg_providers ?? []).length > 0}}',
                 ],
             ],
         ];
 
-        $result = $listener->markEasyPayMethodsAsPgNotRequired($layout, 1);
+        $result = $listener->adjustPaymentMethodsLayout($layout, 1);
         $json = json_encode($result, JSON_UNESCAPED_SLASHES);
 
         $this->assertIsString($json);
-        $this->assertStringContainsString('kginicis_naverpay', $json);
-        $this->assertStringContainsString('nhnkcp_payco', $json);
-        $this->assertStringContainsString('nicepay_naverpay', $json);
-        $this->assertStringContainsString('nicepay_kakaopay', $json);
-        $this->assertStringContainsString('nicepay_samsungpay', $json);
-        $this->assertStringContainsString('nicepay_applepay', $json);
-        $this->assertStringContainsString('nicepay_payco', $json);
-        $this->assertStringContainsString('nicepay_skpay', $json);
-        $this->assertStringContainsString('nicepay_ssgpay', $json);
-        $this->assertStringContainsString('nicepay_lpay', $json);
-        $this->assertStringNotContainsString("['point','deposit','free','dbank'].includes", $json);
+        // 코어 분기 표현식이 그대로 보존되어야 한다.
+        $this->assertStringContainsString('$method.pg_locked', $json);
+        $this->assertStringContainsString('$method.needs_pg', $json);
+        // 간편결제 ID 를 표현식에 끼워 넣지 않는다.
+        $this->assertStringNotContainsString('nicepay_naverpay', $json);
+        $this->assertStringNotContainsString('nicepay_kakaopay', $json);
     }
 
     public function test_adds_test_mode_warning_to_order_settings_tab(): void
     {
-        $listener = new AdjustEcommercePaymentMethodsLayoutListener();
+        $listener = new AdjustEcommercePaymentMethodsLayoutListener;
 
         $layout = [
             'layout_name' => 'admin_ecommerce_settings',
@@ -79,8 +71,8 @@ class AdjustEcommercePaymentMethodsLayoutListenerTest extends TestCase
             ],
         ];
 
-        $result = $listener->markEasyPayMethodsAsPgNotRequired($layout, 1);
-        $result = $listener->markEasyPayMethodsAsPgNotRequired($result, 1);
+        $result = $listener->adjustPaymentMethodsLayout($layout, 1);
+        $result = $listener->adjustPaymentMethodsLayout($result, 1);
         $json = json_encode($result, JSON_UNESCAPED_SLASHES);
 
         $this->assertIsString($json);
@@ -103,7 +95,7 @@ class AdjustEcommercePaymentMethodsLayoutListenerTest extends TestCase
 
     public function test_leaves_other_layouts_unchanged(): void
     {
-        $listener = new AdjustEcommercePaymentMethodsLayoutListener();
+        $listener = new AdjustEcommercePaymentMethodsLayoutListener;
 
         $layout = [
             'layout_name' => 'shop/checkout',
@@ -114,6 +106,6 @@ class AdjustEcommercePaymentMethodsLayoutListenerTest extends TestCase
             ],
         ];
 
-        $this->assertSame($layout, $listener->markEasyPayMethodsAsPgNotRequired($layout, 1));
+        $this->assertSame($layout, $listener->adjustPaymentMethodsLayout($layout, 1));
     }
 }
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/tests/Unit/Listeners/RegisterEasyPayMethodsListenerTest.php b/plugins/_bundled/sirsoft-pay_nicepayments/tests/Unit/Listeners/RegisterEasyPayMethodsListenerTest.php
index 871b1f3d..8c925300 100644
--- a/plugins/_bundled/sirsoft-pay_nicepayments/tests/Unit/Listeners/RegisterEasyPayMethodsListenerTest.php
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/tests/Unit/Listeners/RegisterEasyPayMethodsListenerTest.php
@@ -23,7 +23,7 @@ class RegisterEasyPayMethodsListenerTest extends TestCase
 
     public function test_injects_easy_pay_methods_after_existing_pg_easy_pay_methods(): void
     {
-        $listener = new RegisterEasyPayMethodsListener();
+        $listener = new RegisterEasyPayMethodsListener;
 
         $methods = $listener->injectEasyPayMethods([
             ['id' => 'card'],
@@ -54,15 +54,20 @@ class RegisterEasyPayMethodsListenerTest extends TestCase
 
     public function test_plugin_registers_easy_pay_hook_listeners(): void
     {
-        $listeners = (new Plugin())->getHookListeners();
+        $listeners = (new Plugin)->getHookListeners();
 
         $this->assertContains(RegisterEasyPayMethodsListener::class, $listeners);
         $this->assertContains(AdjustEcommercePaymentMethodsLayoutListener::class, $listeners);
     }
 
-    public function test_easy_pay_methods_do_not_require_pg_provider_in_saved_defaults(): void
+    public function test_easy_pay_methods_are_locked_to_own_pg_provider(): void
     {
-        $listener = new RegisterEasyPayMethodsListener();
+        // 간편결제는 나이스페이먼츠 결제창을 통해서만 처리되므로 PG 를 자기 자신으로 고정 선언한다.
+        //
+        // 과거에는 pg_provider 를 null 로 두었고(= "PG 없는 결제수단"), 그 결과 서버가
+        // 간편결제 주문을 PG 결제가 아닌 주문으로 오인해 (a) 결제 실패했는데 관리자에게
+        // 신규주문 알림이 발송되고 (b) 임시주문이 즉시 삭제되어 재결제가 불가능해졌다(#475).
+        $listener = new RegisterEasyPayMethodsListener;
 
         $methods = $listener->injectEasyPayMethods([
             ['id' => 'phone'],
@@ -78,15 +83,22 @@ class RegisterEasyPayMethodsListenerTest extends TestCase
 
         foreach ($easyPayMethods as $method) {
             $this->assertArrayHasKey('defaults', $method);
-            $this->assertNull($method['defaults']['pg_provider'] ?? null);
+
+            // PG 고정 — null 이면 코어가 PG 없는 주문으로 오인한다.
+            $this->assertSame('nicepayments', $method['defaults']['pg_provider'] ?? null);
+            $this->assertTrue($method['defaults']['pg_locked'] ?? false);
+            $this->assertTrue($method['defaults']['needs_pg'] ?? false);
+            $this->assertSame('pg', $method['defaults']['refund_method'] ?? null);
+
             $this->assertFalse($method['defaults']['is_active'] ?? true);
             $this->assertSame('payment_complete', $method['defaults']['stock_deduction_timing'] ?? null);
+            $this->assertSame('payment_complete', $method['defaults']['mileage_deduction_timing'] ?? null);
         }
     }
 
     public function test_easy_pay_method_labels_match_admin_payment_method_names(): void
     {
-        $listener = new RegisterEasyPayMethodsListener();
+        $listener = new RegisterEasyPayMethodsListener;
 
         $methods = $listener->injectEasyPayMethods([
             ['id' => 'phone'],
@@ -97,14 +109,14 @@ class RegisterEasyPayMethodsListenerTest extends TestCase
         $kakaopay = collect($methods)->firstWhere('id', 'nicepay_kakaopay');
         $payco = collect($methods)->firstWhere('id', 'nicepay_payco');
 
-        $this->assertSame('네이' . "\u{200B}" . '버페이 (나이스페이먼츠)', $naverpay['name']['ko'] ?? null);
-        $this->assertSame('카카' . "\u{200B}" . '오페이로 결제 (나이스페이먼츠)', $kakaopay['description']['ko'] ?? null);
+        $this->assertSame('네이'."\u{200B}".'버페이 (나이스페이먼츠)', $naverpay['name']['ko'] ?? null);
+        $this->assertSame('카카'."\u{200B}".'오페이로 결제 (나이스페이먼츠)', $kakaopay['description']['ko'] ?? null);
         $this->assertSame('PAYCO (NicePayments)', $payco['name']['en'] ?? null);
     }
 
     public function test_easy_pay_method_labels_avoid_other_pg_brand_matchers(): void
     {
-        $listener = new RegisterEasyPayMethodsListener();
+        $listener = new RegisterEasyPayMethodsListener;
 
         $methods = $listener->injectEasyPayMethods([
             ['id' => 'phone'],
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/tests/Unit/Upgrades/BackfillEasyPayPgProviderTest.php b/plugins/_bundled/sirsoft-pay_nicepayments/tests/Unit/Upgrades/BackfillEasyPayPgProviderTest.php
new file mode 100644
index 00000000..92ec1ab8
--- /dev/null
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/tests/Unit/Upgrades/BackfillEasyPayPgProviderTest.php
@@ -0,0 +1,174 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Plugins\Sirsoft\PayNicepayments\Tests\Unit\Upgrades;
+
+use App\Extension\UpgradeContext;
+use App\Upgrades\Data\Ext\Plugins\SirsoftPayNicepayments\V1_0_0_beta_4\Migrations\BackfillEasyPayPgProvider;
+use Illuminate\Support\Facades\File;
+use Tests\TestCase;
+
+require_once dirname(__DIR__, 3).'/upgrades/data/1.0.0-beta.4/migrations/BackfillEasyPayPgProvider.php';
+
+/**
+ * 저장된 주문설정의 나이스페이먼츠 간편결제 PG 고정 백필 테스트 — 이슈 #475
+ *
+ * 기존 설치 환경의 order_settings.json 에는 간편결제가 `pg_provider: null` 로 영속화되어
+ * 있다. 서버가 이 값을 보고 간편결제 주문을 "PG 결제가 아닌 주문" 으로 오인해 결제 실패
+ * 시 관리자 알림 오발송 + 임시주문 삭제(재결제 불가) 를 일으켰다.
+ */
+class BackfillEasyPayPgProviderTest extends TestCase
+{
+    private string $settingsPath;
+
+    private bool $hadOriginalSettings = false;
+
+    private ?string $originalSettings = null;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->settingsPath = storage_path('app/modules/sirsoft-ecommerce/settings/order_settings.json');
+        $this->hadOriginalSettings = File::exists($this->settingsPath);
+        $this->originalSettings = $this->hadOriginalSettings ? File::get($this->settingsPath) : null;
+
+        File::ensureDirectoryExists(dirname($this->settingsPath));
+    }
+
+    protected function tearDown(): void
+    {
+        if ($this->hadOriginalSettings && $this->originalSettings !== null) {
+            File::put($this->settingsPath, $this->originalSettings);
+        } else {
+            File::delete($this->settingsPath);
+        }
+
+        parent::tearDown();
+    }
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=pg_locked
+     *
+     * @effects upgrade_step_backfills_settings_file, saved_null_pg_provider_self_healed
+     */
+    public function test_backfills_pg_declaration_for_nicepay_easy_pay_methods(): void
+    {
+        $this->writeSettings([
+            ['id' => 'card', 'pg_provider' => 'nicepayments'],
+            ['id' => 'nicepay_naverpay', 'pg_provider' => null, 'is_active' => true],
+            ['id' => 'nicepay_kakaopay', 'pg_provider' => null, 'is_active' => true],
+        ]);
+
+        $this->runMigration();
+
+        $methods = $this->readMethods();
+
+        foreach (['nicepay_naverpay', 'nicepay_kakaopay'] as $id) {
+            $method = $methods[$id];
+            $this->assertSame('nicepayments', $method['pg_provider'], "{$id} 의 PG 가 고정되어야 한다");
+            $this->assertTrue($method['pg_locked']);
+            $this->assertTrue($method['needs_pg']);
+            $this->assertSame('pg', $method['refund_method']);
+            $this->assertTrue($method['is_active']);
+        }
+    }
+
+    public function test_does_not_touch_other_plugins_or_builtin_methods(): void
+    {
+        $this->writeSettings([
+            ['id' => 'card', 'pg_provider' => 'nicepayments'],
+            ['id' => 'dbank', 'pg_provider' => ''],
+            ['id' => 'nhnkcp_naverpay', 'pg_provider' => null],
+            ['id' => 'nicepay_naverpay', 'pg_provider' => null],
+        ]);
+
+        $this->runMigration();
+
+        $methods = $this->readMethods();
+
+        $this->assertSame('nicepayments', $methods['card']['pg_provider']);
+        $this->assertArrayNotHasKey('pg_locked', $methods['card']);
+
+        $this->assertSame('', $methods['dbank']['pg_provider']);
+        $this->assertArrayNotHasKey('pg_locked', $methods['dbank']);
+
+        $this->assertNull($methods['nhnkcp_naverpay']['pg_provider']);
+        $this->assertArrayNotHasKey('pg_locked', $methods['nhnkcp_naverpay']);
+
+        $this->assertSame('nicepayments', $methods['nicepay_naverpay']['pg_provider']);
+    }
+
+    /**
+     * @scenario method_kind=extension, capability_declared=declared, capability=pg_locked
+     *
+     * @effects upgrade_step_backfills_settings_file
+     */
+    public function test_is_idempotent(): void
+    {
+        $this->writeSettings([
+            ['id' => 'nicepay_naverpay', 'pg_provider' => null],
+        ]);
+
+        $this->runMigration();
+        $first = File::get($this->settingsPath);
+
+        $this->runMigration();
+        $second = File::get($this->settingsPath);
+
+        $this->assertSame($first, $second, '재실행해도 결과가 달라지지 않아야 한다');
+    }
+
+    public function test_skips_when_settings_file_is_missing(): void
+    {
+        File::delete($this->settingsPath);
+
+        $this->runMigration();
+
+        $this->assertFalse(File::exists($this->settingsPath));
+    }
+
+    public function test_skips_when_settings_json_is_malformed(): void
+    {
+        File::put($this->settingsPath, '{ not valid json');
+
+        $this->runMigration();
+
+        $this->assertSame('{ not valid json', File::get($this->settingsPath));
+    }
+
+    /**
+     * @param  array<int, array<string, mixed>>  $paymentMethods
+     */
+    private function writeSettings(array $paymentMethods): void
+    {
+        File::put($this->settingsPath, json_encode([
+            'payment_methods' => $paymentMethods,
+        ], JSON_THROW_ON_ERROR));
+    }
+
+    /**
+     * @return array<string, array<string, mixed>> 결제수단 ID => 설정
+     */
+    private function readMethods(): array
+    {
+        $settings = json_decode(File::get($this->settingsPath), true, flags: JSON_THROW_ON_ERROR);
+
+        $keyed = [];
+        foreach ($settings['payment_methods'] as $method) {
+            $keyed[$method['id']] = $method;
+        }
+
+        return $keyed;
+    }
+
+    private function runMigration(): void
+    {
+        (new BackfillEasyPayPgProvider)->run(new UpgradeContext(
+            fromVersion: '1.0.0-beta.3',
+            toVersion: '1.0.0-beta.4',
+            currentStep: '1.0.0-beta.4',
+        ));
+    }
+}
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/upgrades/Upgrade_1_0_0_beta_4.php b/plugins/_bundled/sirsoft-pay_nicepayments/upgrades/Upgrade_1_0_0_beta_4.php
new file mode 100644
index 00000000..4c5b2538
--- /dev/null
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/upgrades/Upgrade_1_0_0_beta_4.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Plugins\Sirsoft\PayNicepayments\Upgrades;
+
+use App\Extension\AbstractUpgradeStep;
+
+/**
+ * v1.0.0-beta.4 업그레이드 스텝
+ *
+ * 저장된 이커머스 주문설정의 나이스페이먼츠 간편결제 항목에 PG 고정 선언을 백필한다.
+ *
+ * 모든 비즈니스 로직은 data/1.0.0-beta.4/migrations/ 로 격리(AbstractUpgradeStep 규약).
+ *
+ * @upgrade-path B
+ */
+class Upgrade_1_0_0_beta_4 extends AbstractUpgradeStep {}
diff --git a/plugins/_bundled/sirsoft-pay_nicepayments/upgrades/data/1.0.0-beta.4/migrations/BackfillEasyPayPgProvider.php b/plugins/_bundled/sirsoft-pay_nicepayments/upgrades/data/1.0.0-beta.4/migrations/BackfillEasyPayPgProvider.php
new file mode 100644
index 00000000..9aec7309
--- /dev/null
+++ b/plugins/_bundled/sirsoft-pay_nicepayments/upgrades/data/1.0.0-beta.4/migrations/BackfillEasyPayPgProvider.php
@@ -0,0 +1,131 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Upgrades\Data\Ext\Plugins\SirsoftPayNicepayments\V1_0_0_beta_4\Migrations;
+
+use App\Extension\Helpers\FilePermissionHelper;
+use App\Extension\Upgrade\DataMigration;
+use App\Extension\UpgradeContext;
+use Illuminate\Support\Facades\File;
+
+/**
+ * 저장된 이커머스 주문설정의 나이스페이먼츠 간편결제 항목에 PG 고정 선언을 백필한다.
+ *
+ * 배경 (이슈 #475):
+ *
+ * 간편결제 수단은 과거 `pg_provider: null` 로 등록되어 저장 파일에 그대로 영속화됐다.
+ * 서버는 이 값을 보고 간편결제 주문을 "PG 결제가 아닌 주문" 으로 오인했고, 그 결과
+ * (a) 결제가 실패했는데 관리자에게 신규주문 알림이 발송되고 (b) 임시주문이 즉시 삭제되어
+ * 재결제가 불가능해졌다.
+ *
+ * 현재 코드는 결제수단 카탈로그를 병합할 때 능력 선언(pg_provider / pg_locked / needs_pg /
+ * refund_method)을 플러그인 정의에서 가져오므로, 저장 파일에 남은 낡은 값이 있어도 런타임
+ * 동작은 이미 정상이다(자가 치유). 본 마이그레이션은 저장 파일 자체를 현재 선언과 일치시켜
+ * 설정 화면과 파일 내용이 어긋나 보이지 않게 한다.
+ *
+ * V-1 안전 격리 (docs/extension/upgrade-step-guide.md §13):
+ *   - 파일 시스템 + FilePermissionHelper 만 사용 (이전 버전에도 존재하던 표면)
+ *   - Service / Manager / Repository 컨테이너 해석 없음
+ */
+final class BackfillEasyPayPgProvider implements DataMigration
+{
+    /**
+     * 이커머스 모듈의 주문설정 저장 경로.
+     */
+    private const SETTINGS_PATH = 'app/modules/sirsoft-ecommerce/settings/order_settings.json';
+
+    /**
+     * 이 플러그인이 등록하는 간편결제 수단의 ID 접두사.
+     */
+    private const METHOD_PREFIX = 'nicepay_';
+
+    /**
+     * 이 플러그인이 제공하는 PG 식별자.
+     */
+    private const PG_PROVIDER_ID = 'nicepayments';
+
+    /**
+     * 마이그레이션 식별자 (로그용).
+     *
+     * @return string 사람이 읽을 수 있는 짧은 식별자
+     */
+    public function name(): string
+    {
+        return 'BackfillEasyPayPgProvider';
+    }
+
+    /**
+     * 저장된 주문설정의 간편결제 항목에 PG 고정 선언을 백필한다. idempotent.
+     *
+     * @param  UpgradeContext  $context  업그레이드 컨텍스트 (로거 등)
+     */
+    public function run(UpgradeContext $context): void
+    {
+        $path = storage_path(self::SETTINGS_PATH);
+
+        if (! File::exists($path)) {
+            $context->logger->info('[nicepayments] 이커머스 주문설정 파일 없음 — 기본값으로 동작하므로 skip');
+
+            return;
+        }
+
+        $settings = json_decode(File::get($path), true);
+        if (! is_array($settings) || ! is_array($settings['payment_methods'] ?? null)) {
+            $context->logger->warning('[nicepayments] 주문설정 JSON 형식 비정상 — 간편결제 PG 백필 skip');
+
+            return;
+        }
+
+        $updated = 0;
+        foreach ($settings['payment_methods'] as $index => $method) {
+            if (! is_array($method)) {
+                continue;
+            }
+
+            $id = (string) ($method['id'] ?? '');
+            if (! str_starts_with($id, self::METHOD_PREFIX)) {
+                continue;
+            }
+
+            $before = [
+                $method['pg_provider'] ?? null,
+                $method['pg_locked'] ?? null,
+                $method['needs_pg'] ?? null,
+                $method['refund_method'] ?? null,
+            ];
+
+            $method['pg_provider'] = self::PG_PROVIDER_ID;
+            $method['pg_locked'] = true;
+            $method['needs_pg'] = true;
+            $method['refund_method'] = 'pg';
+
+            $after = [
+                $method['pg_provider'],
+                $method['pg_locked'],
+                $method['needs_pg'],
+                $method['refund_method'],
+            ];
+
+            if ($before !== $after) {
+                $updated++;
+            }
+
+            $settings['payment_methods'][$index] = $method;
+        }
+
+        if ($updated === 0) {
+            $context->logger->info('[nicepayments] 간편결제 PG 선언이 이미 최신 — 변경 없음');
+
+            return;
+        }
+
+        File::put($path, json_encode($settings, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT));
+        FilePermissionHelper::inheritOwnershipFromParent($path);
+
+        $context->logger->info('[nicepayments] 간편결제 PG 고정 선언 백필 완료', [
+            'pg_provider' => self::PG_PROVIDER_ID,
+            'updated_methods' => $updated,
+        ]);
+    }
+}
diff --git a/templates/_bundled/sirsoft-admin_basic/package.json b/templates/_bundled/sirsoft-admin_basic/package.json
index a89848c3..f392b87f 100644
--- a/templates/_bundled/sirsoft-admin_basic/package.json
+++ b/templates/_bundled/sirsoft-admin_basic/package.json
@@ -16,6 +16,8 @@
         "dev": "npm run safelist && vite build --watch",
         "test": "vitest",
         "test:run": "vitest run",
+        "test:e2e": "playwright test --config=tests/Playwright/playwright.config.ts",
+        "test:e2e:ui": "playwright test --config=tests/Playwright/playwright.config.ts --ui",
         "test:coverage": "vitest run --coverage",
         "type-check": "tsc --noEmit"
     },
diff --git a/templates/_bundled/sirsoft-admin_basic/tests/Playwright/playwright.config.ts b/templates/_bundled/sirsoft-admin_basic/tests/Playwright/playwright.config.ts
index a60a8f82..bf3008a4 100644
--- a/templates/_bundled/sirsoft-admin_basic/tests/Playwright/playwright.config.ts
+++ b/templates/_bundled/sirsoft-admin_basic/tests/Playwright/playwright.config.ts
@@ -22,6 +22,18 @@ import { fileURLToPath } from 'node:url';
 
 const __dirname = dirname(fileURLToPath(import.meta.url));
 
+/**
+ * 코어 루트 (artisan / .env / Playwright 산출물의 기준 경로).
+ *
+ * 확장 config 는 확장 디렉토리에서 실행되지만, 산출물을 그 안에 쓰면 Windows 에서
+ * `{module|template}:update` 의 디렉토리 이동이 열린 핸들에 걸려 실패한다.
+ * 산출물은 코어 루트 아래로 모아 update 경로와 분리한다 (.gitignore 가 이미 덮는 위치).
+ */
+const CORE_ROOT = process.env.G7_ROOT || resolve(__dirname, '../../../../../');
+
+/** 확장별 산출물 격리 — 확장끼리 리포트를 덮어쓰지 않도록 slug 로 네임스페이스. */
+const ARTIFACT_SLUG = 'templates/sirsoft-admin_basic';
+
 function readEnvFile(filePath: string, key: string): string | null {
   if (!existsSync(filePath)) return null;
   const content = readFileSync(filePath, { encoding: 'utf-8' });
@@ -39,9 +51,7 @@ function resolveBaseUrl(): string {
   if (process.env.PLAYWRIGHT_BASE_URL) {
     return process.env.PLAYWRIGHT_BASE_URL;
   }
-  // 템플릿 디렉토리 기준 5단계 상위 = 코어 루트 (.env 위치)
-  const coreRoot = process.env.G7_ROOT || resolve(__dirname, '../../../../../');
-  const appUrl = readEnvFile(resolve(coreRoot, '.env'), 'APP_URL');
+  const appUrl = readEnvFile(resolve(CORE_ROOT, '.env'), 'APP_URL');
   if (appUrl && !/^https?:\/\/localhost(:\d+)?\/?$/i.test(appUrl)) {
     return appUrl;
   }
@@ -52,12 +62,13 @@ function resolveBaseUrl(): string {
 
 export default defineConfig({
   testDir: './specs',
+  outputDir: resolve(CORE_ROOT, 'test-results', ARTIFACT_SLUG),
   fullyParallel: true,
   forbidOnly: !!process.env.CI,
   retries: process.env.CI ? 2 : 0,
   workers: process.env.CI ? 1 : undefined,
   reporter: [
-    ['html', { outputFolder: 'playwright-report', open: 'never' }],
+    ['html', { outputFolder: resolve(CORE_ROOT, 'playwright-report', ARTIFACT_SLUG), open: 'never' }],
     ['list'],
   ],
   use: {
diff --git a/templates/_bundled/sirsoft-basic/CHANGELOG.md b/templates/_bundled/sirsoft-basic/CHANGELOG.md
index ad12d6db..afc7292a 100644
--- a/templates/_bundled/sirsoft-basic/CHANGELOG.md
+++ b/templates/_bundled/sirsoft-basic/CHANGELOG.md
@@ -4,6 +4,12 @@
 형식은 [Keep a Changelog](https://keepachangelog.com/ko/1.1.0/)를 따르며,
 [Semantic Versioning](https://semver.org/lang/ko/)을 준수합니다.
 
+## [1.0.3] - 2026-07-15
+
+### Fixed
+
+- 네이버페이·카카오페이 등 간편결제로 주문을 완료했을 때 주문완료 페이지의 "결제 완료" 안내가 표시되지 않던 문제를 수정했습니다. 이제 입금 대기(무통장·가상계좌)를 제외한 모든 결제수단에서 결제 완료 안내가 정상적으로 표시됩니다.
+
 ## [1.0.2] - 2026-07-10
 
 ### Changed
diff --git a/templates/_bundled/sirsoft-basic/layouts/shop/order_complete.json b/templates/_bundled/sirsoft-basic/layouts/shop/order_complete.json
index 09a5aed0..b6324283 100644
--- a/templates/_bundled/sirsoft-basic/layouts/shop/order_complete.json
+++ b/templates/_bundled/sirsoft-basic/layouts/shop/order_complete.json
@@ -119,10 +119,10 @@
                 ]
               },
               {
-                "comment": "카드 결제 완료 헤더",
+                "comment": "즉시 결제완료 헤더 — 가상계좌/무통장(입금대기)이 아닌 모든 결제수단. 확장 결제수단(간편결제)도 결제수단 ID 가 'card' 가 아니라 확장 ID(예: nhnkcp_naverpay)로 저장되므로 'card' 하드코딩 대신 입금대기 수단의 여집합으로 판정한다(#475).",
                 "type": "basic",
                 "name": "Div",
-                "if": "{{orderData?.data?.payment?.payment_method === 'card'}}",
+                "if": "{{orderData?.data?.payment?.payment_method && orderData?.data?.payment?.payment_method !== 'vbank' && orderData?.data?.payment?.payment_method !== 'dbank'}}",
                 "props": { "className": "text-center mb-8" },
                 "responsive": {
                   "portable": {
diff --git a/templates/_bundled/sirsoft-basic/package.json b/templates/_bundled/sirsoft-basic/package.json
index 822f2e37..70ff321d 100644
--- a/templates/_bundled/sirsoft-basic/package.json
+++ b/templates/_bundled/sirsoft-basic/package.json
@@ -1,6 +1,6 @@
 {
     "name": "sirsoft-basic",
-    "version": "1.0.2",
+    "version": "1.0.3",
     "description": "Gnuboard7 Basic User Template Components - Nexibase Style",
     "type": "module",
     "main": "dist/components.js",
@@ -14,6 +14,8 @@
         "dev": "vite build --watch",
         "test": "vitest",
         "test:run": "vitest run",
+        "test:e2e": "playwright test --config=tests/Playwright/playwright.config.ts",
+        "test:e2e:ui": "playwright test --config=tests/Playwright/playwright.config.ts --ui",
         "test:coverage": "vitest run --coverage",
         "type-check": "tsc --noEmit"
     },
diff --git a/templates/_bundled/sirsoft-basic/template.json b/templates/_bundled/sirsoft-basic/template.json
index 2c26b961..54e1b21f 100644
--- a/templates/_bundled/sirsoft-basic/template.json
+++ b/templates/_bundled/sirsoft-basic/template.json
@@ -5,7 +5,7 @@
         "ko": "Basic",
         "en": "Basic"
     },
-    "version": "1.0.2",
+    "version": "1.0.3",
     "license": "MIT",
     "description": {
         "ko": "그누보드7 기본 사용자 템플릿",
diff --git a/templates/_bundled/sirsoft-basic/tests/Playwright/playwright.config.ts b/templates/_bundled/sirsoft-basic/tests/Playwright/playwright.config.ts
index f21a49ce..f48ec075 100644
--- a/templates/_bundled/sirsoft-basic/tests/Playwright/playwright.config.ts
+++ b/templates/_bundled/sirsoft-basic/tests/Playwright/playwright.config.ts
@@ -23,6 +23,18 @@ import { fileURLToPath } from 'node:url';
 
 const __dirname = dirname(fileURLToPath(import.meta.url));
 
+/**
+ * 코어 루트 (artisan / .env / Playwright 산출물의 기준 경로).
+ *
+ * 확장 config 는 확장 디렉토리에서 실행되지만, 산출물을 그 안에 쓰면 Windows 에서
+ * `{module|template}:update` 의 디렉토리 이동이 열린 핸들에 걸려 실패한다.
+ * 산출물은 코어 루트 아래로 모아 update 경로와 분리한다 (.gitignore 가 이미 덮는 위치).
+ */
+const CORE_ROOT = process.env.G7_ROOT || resolve(__dirname, '../../../../../');
+
+/** 확장별 산출물 격리 — 확장끼리 리포트를 덮어쓰지 않도록 slug 로 네임스페이스. */
+const ARTIFACT_SLUG = 'templates/sirsoft-basic';
+
 /**
  * .env 파일에서 키 하나를 읽습니다.
  *
@@ -53,9 +65,7 @@ function resolveBaseUrl(): string {
   if (process.env.PLAYWRIGHT_BASE_URL) {
     return process.env.PLAYWRIGHT_BASE_URL;
   }
-  // 템플릿 디렉토리 기준 5단계 상위 = 코어 루트 (.env 위치)
-  const coreRoot = process.env.G7_ROOT || resolve(__dirname, '../../../../../');
-  const appUrl = readEnvFile(resolve(coreRoot, '.env'), 'APP_URL');
+  const appUrl = readEnvFile(resolve(CORE_ROOT, '.env'), 'APP_URL');
   if (appUrl && !/^https?:\/\/localhost(:\d+)?\/?$/i.test(appUrl)) {
     return appUrl;
   }
@@ -66,12 +76,13 @@ function resolveBaseUrl(): string {
 
 export default defineConfig({
   testDir: './specs',
+  outputDir: resolve(CORE_ROOT, 'test-results', ARTIFACT_SLUG),
   fullyParallel: true,
   forbidOnly: !!process.env.CI,
   retries: process.env.CI ? 2 : 0,
   workers: process.env.CI ? 1 : undefined,
   reporter: [
-    ['html', { outputFolder: 'playwright-report', open: 'never' }],
+    ['html', { outputFolder: resolve(CORE_ROOT, 'playwright-report', ARTIFACT_SLUG), open: 'never' }],
     ['list'],
   ],
   use: {
diff --git a/tests/Playwright/fixtures/auth.ts b/tests/Playwright/fixtures/auth.ts
index 8ef0f091..f5ad29ab 100644
--- a/tests/Playwright/fixtures/auth.ts
+++ b/tests/Playwright/fixtures/auth.ts
@@ -18,6 +18,25 @@
  */
 import { test as base, type Page } from '@playwright/test';
 import { execSync } from 'node:child_process';
+import { dirname, resolve } from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+// ESM 환경(package.json "type": "module")에서는 __dirname 이 정의되지 않으므로
+// import.meta.url 로 재구성한다.
+const __dirname = dirname(fileURLToPath(import.meta.url));
+
+/**
+ * `php artisan` 을 실행할 코어 루트를 결정한다.
+ *
+ * 확장(모듈/플러그인/템플릿) 은 자기 디렉토리의 config 로 Playwright 를 띄우므로 `process.cwd()`
+ * 가 확장 디렉토리다 — 그 위치에는 artisan 이 없다. 본 파일은 항상 `<코어루트>/tests/Playwright/fixtures/`
+ * 에 있으므로 자기 위치에서 코어 루트를 역산한다 (경로 하드코딩 회피).
+ *
+ * @returns artisan 이 존재하는 코어 루트 절대경로
+ */
+function resolveCoreRoot(): string {
+  return process.env.G7_ROOT || resolve(__dirname, '../../../');
+}
 
 /**
  * 임의 권한 식별자(코어/모듈/플러그인) 로 Sanctum 토큰을 발급한다.
@@ -35,7 +54,7 @@ export function issueToken(...permissions: string[]): string {
   for (let attempt = 0; attempt < 3; attempt += 1) {
     try {
       const stdout = execSync(command, {
-        cwd: process.env.G7_ROOT || process.cwd(),
+        cwd: resolveCoreRoot(),
         encoding: 'utf-8',
         env: {
           ...process.env,