diff --git a/app/Models/LoginToken.php b/app/Models/LoginToken.php
index 6c9f36b4..23a146a1 100644
--- a/app/Models/LoginToken.php
+++ b/app/Models/LoginToken.php
@@ -51,11 +51,14 @@ public static function createForUser(int $userId): self
 
     /**
      * DEV 사이트 자동 로그인 URL 생성
+     * 현재 도메인에서 'mng'를 'dev'로 변경하여 동적 생성
      */
     public function getAutoLoginUrl(): string
     {
-        $devAppUrl = config('services.dev.app_url', 'https://dev.sam.kr');
+        $currentHost = request()->getHost(); // mng.sam.kr 또는 mng.codebridge-x.com
+        $devHost = str_replace('mng.', 'dev.', $currentHost);
+        $scheme = request()->getScheme(); // http 또는 https
 
-        return "{$devAppUrl}/auto-login?token={$this->token}";
+        return "{$scheme}://{$devHost}/auto-login?token={$this->token}";
     }
 }
diff --git a/database/data/flow-tester/items-bom.json b/database/data/flow-tester/items-bom.json
index 51413f01..b948e372 100644
--- a/database/data/flow-tester/items-bom.json
+++ b/database/data/flow-tester/items-bom.json
@@ -6,7 +6,7 @@
     "tags": ["items", "bom"]
   },
   "config": {
-    "baseUrl": "https://sam.kr/api/v1",
+    "baseUrl": "https://api.sam.kr/api/v1",
     "timeout": 30000,
     "stopOnFailure": false
   },
diff --git a/database/data/flow-tester/items-crud.json b/database/data/flow-tester/items-crud.json
index b7988953..717bf033 100644
--- a/database/data/flow-tester/items-crud.json
+++ b/database/data/flow-tester/items-crud.json
@@ -6,7 +6,7 @@
     "tags": ["items", "crud", "faker"]
   },
   "config": {
-    "baseUrl": "https://sam.kr/api/v1",
+    "baseUrl": "https://api.sam.kr/api/v1",
     "timeout": 30000,
     "stopOnFailure": false,
     "headers": {
diff --git a/database/data/flow-tester/items-search.json b/database/data/flow-tester/items-search.json
index 4b8959bb..7042ae63 100644
--- a/database/data/flow-tester/items-search.json
+++ b/database/data/flow-tester/items-search.json
@@ -6,7 +6,7 @@
     "tags": ["items", "search", "stats"]
   },
   "config": {
-    "baseUrl": "https://sam.kr/api/v1",
+    "baseUrl": "https://api.sam.kr/api/v1",
     "timeout": 30000,
     "stopOnFailure": false
   },
diff --git a/docs/API_FLOW_TESTER_DESIGN.md b/docs/API_FLOW_TESTER_DESIGN.md
index 9e3a18e3..7b84f37d 100644
--- a/docs/API_FLOW_TESTER_DESIGN.md
+++ b/docs/API_FLOW_TESTER_DESIGN.md
@@ -63,7 +63,7 @@ ### 2.1 전체 구조
                               ▼
 ┌─────────────────────────────────────────────────────────────────┐
 │                      External API Server                        │
-│                    (SAM API: sam.kr/api/v1)                     │
+│                    (SAM API: api.sam.kr/api/v1)                     │
 └─────────────────────────────────────────────────────────────────┘
 ```
 
@@ -157,7 +157,7 @@ ### 4.1 플로우 정의 구조
     "tags": ["item-master", "integration-test"]
   },
   "config": {
-    "baseUrl": "https://sam.kr/api/v1",
+    "baseUrl": "https://api.sam.kr/api/v1",
     "timeout": 30000,
     "stopOnFailure": true,
     "headers": {
@@ -712,7 +712,7 @@ ### 7.2 플로우 편집기
 │  │  1  {                                                           │   │
 │  │  2    "version": "1.0",                                         │   │
 │  │  3    "config": {                                               │   │
-│  │  4      "baseUrl": "https://sam.kr/api/v1",                    │   │
+│  │  4      "baseUrl": "https://api.sam.kr/api/v1",                    │   │
 │  │  5      "timeout": 30000                                        │   │
 │  │  6    },                                                        │   │
 │  │  7    "steps": [                                                │   │
diff --git a/resources/views/dev-tools/flow-tester/partials/example-flows.blade.php b/resources/views/dev-tools/flow-tester/partials/example-flows.blade.php
index c45150b8..e8f57a12 100644
--- a/resources/views/dev-tools/flow-tester/partials/example-flows.blade.php
+++ b/resources/views/dev-tools/flow-tester/partials/example-flows.blade.php
@@ -190,7 +190,7 @@ class="px-4 py-2 bg-gray-600 hover:bg-gray-700 text-white rounded-lg transition-
             "tags": ["item-master", "integration", "full-test"]
         },
         "config": {
-            "baseUrl": "https://sam.kr/api/v1",
+            "baseUrl": "https://api.sam.kr/api/v1",
             "timeout": 30000,
             "stopOnFailure": false,
             "headers": {
@@ -373,7 +373,7 @@ class="px-4 py-2 bg-gray-600 hover:bg-gray-700 text-white rounded-lg transition-
     'item-master-simple': {
         "version": "1.0",
         "config": {
-            "baseUrl": "https://sam.kr/api/v1",
+            "baseUrl": "https://api.sam.kr/api/v1",
             "timeout": 30000,
             "stopOnFailure": true
         },
@@ -501,7 +501,7 @@ class="px-4 py-2 bg-gray-600 hover:bg-gray-700 text-white rounded-lg transition-
             "tags": ["items", "crud", "faker"]
         },
         "config": {
-            "baseUrl": "https://sam.kr/api/v1",
+            "baseUrl": "https://api.sam.kr/api/v1",
             "timeout": 30000,
             "stopOnFailure": false,
             "headers": {
@@ -616,7 +616,7 @@ class="px-4 py-2 bg-gray-600 hover:bg-gray-700 text-white rounded-lg transition-
             "tags": ["items", "search", "stats"]
         },
         "config": {
-            "baseUrl": "https://sam.kr/api/v1",
+            "baseUrl": "https://api.sam.kr/api/v1",
             "timeout": 30000,
             "stopOnFailure": false
         },
@@ -710,7 +710,7 @@ class="px-4 py-2 bg-gray-600 hover:bg-gray-700 text-white rounded-lg transition-
             "tags": ["items", "bom", "integration"]
         },
         "config": {
-            "baseUrl": "https://sam.kr/api/v1",
+            "baseUrl": "https://api.sam.kr/api/v1",
             "timeout": 30000,
             "stopOnFailure": false
         },