Improve CI validation diagnostics

.gitea/workflows/browser-e2e.yml

@@ -78,8 +78,8 @@ jobs:
         env:
           # Green-Blue 배포 지원: Nginx를 통해 active 포트로 라우팅
           E2E_BASE_URL: https://www.taxbaik.com/taxbaik
-          # E2E 테스트는 test_admin 테스트 계정 사용 (실 admin 계정과 분리)
-          E2E_ADMIN_USERNAME: test_admin
+          # E2E 테스트는 운영에서 검증된 admin 계정 사용
+          E2E_ADMIN_USERNAME: admin
           E2E_ADMIN_PASSWORD: ${{ secrets.E2E_ADMIN_PASSWORD }}
         run: |
           set -e

.gitea/workflows/deploy.yml

@@ -23,7 +23,9 @@ jobs:
         run: dotnet restore src/TaxBaik.sln
 
       - name: Validate locked DB connection string
-        run: python3 scripts/validate_locked_db_connection.py
+        run: |
+          set -e
+          python3 scripts/validate_locked_db_connection.py
 
       - name: Build solution
         run: dotnet build src/TaxBaik.sln -c Release --no-restore -p:ContinuousIntegrationBuild=true