diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index da21617..1032c8f 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -102,6 +102,7 @@ jobs:
         continue-on-error: true
 
       - name: Run ESLint (admin-frontend)
+        id: eslint-check
         run: |
           cd admin-frontend
           npm run lint
@@ -112,6 +113,12 @@ jobs:
           cd viewer-frontend
           npm ci
 
+      - name: Generate Prisma Clients (for type-check)
+        run: |
+          cd viewer-frontend
+          npm run prisma:generate:all || true
+        continue-on-error: true
+
       - name: Audit viewer-frontend dependencies
         run: |
           cd viewer-frontend
@@ -119,11 +126,31 @@ jobs:
         continue-on-error: true
 
       - name: Type check (viewer-frontend)
+        id: type-check
         run: |
           cd viewer-frontend
           npm run type-check
         continue-on-error: true
 
+      - name: Check for lint/type-check failures
+        if: always()
+        run: |
+          FAILED=false
+          if [ "x${{ steps.eslint-check.outcome }}" = "xfailure" ]; then
+            echo "❌ ESLint check failed"
+            FAILED=true
+          fi
+          if [ "x${{ steps.type-check.outcome }}" = "xfailure" ]; then
+            echo "❌ Type check failed"
+            FAILED=true
+          fi
+          if [ "$FAILED" = "true" ]; then
+            echo "❌ One or more checks failed. Failing job."
+            exit 1
+          else
+            echo "✅ All checks passed"
+          fi
+
   python-lint:
     needs: skip-ci-check
     runs-on: ubuntu-latest
@@ -145,15 +172,36 @@ jobs:
           pip install --no-cache-dir flake8 black mypy pylint
 
       - name: Check Python syntax
+        id: python-syntax-check
         run: |
           find backend -name "*.py" -exec python -m py_compile {} \;
         continue-on-error: true
 
       - name: Run flake8
+        id: flake8-check
         run: |
           flake8 backend --max-line-length=100 --ignore=E501,W503
         continue-on-error: true
 
+      - name: Check for Python lint failures
+        if: always()
+        run: |
+          FAILED=false
+          if [ "x${{ steps.python-syntax-check.outcome }}" = "xfailure" ]; then
+            echo "❌ Python syntax check failed"
+            FAILED=true
+          fi
+          if [ "x${{ steps.flake8-check.outcome }}" = "xfailure" ]; then
+            echo "❌ Flake8 check failed"
+            FAILED=true
+          fi
+          if [ "$FAILED" = "true" ]; then
+            echo "❌ One or more Python lint checks failed. Failing job."
+            exit 1
+          else
+            echo "✅ All Python lint checks passed"
+          fi
+
   test-backend:
     needs: skip-ci-check
     runs-on: ubuntu-latest
@@ -388,6 +436,7 @@ jobs:
           echo "✅ Database schemas initialized (main and auth)"
 
       - name: Run backend tests
+        id: backend-tests
         run: |
           export PYTHONPATH=$(pwd)
           export SKIP_DEEPFACE_IN_TESTS=1
@@ -395,6 +444,16 @@ jobs:
           echo "⚠️  DeepFace/TensorFlow disabled in tests to avoid CPU instruction errors"
           python -m pytest tests/ -v --tb=short --cov=backend --cov-report=term-missing --cov-report=xml --junit-xml=test-results.xml || true
         continue-on-error: true
+
+      - name: Check for test failures
+        if: always()
+        run: |
+          if [ "x${{ steps.backend-tests.outcome }}" = "xfailure" ]; then
+            echo "❌ Backend tests failed. Failing job."
+            exit 1
+          else
+            echo "✅ Backend tests passed"
+          fi
       
       - name: Test results summary
         if: always()
@@ -461,6 +520,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Validate backend (imports and app instantiation)
+        id: validate-backend
         continue-on-error: true
         run: |
           # Install Python 3.12 using pyenv (required for modern type hints like str | None)
@@ -557,9 +617,10 @@ jobs:
         continue-on-error: true
 
       - name: Build admin-frontend
+        id: build-admin-frontend
         run: |
           cd admin-frontend
-          npm run build || true
+          npm run build
         continue-on-error: true
         env:
           VITE_API_URL: http://localhost:8000
@@ -582,10 +643,34 @@ jobs:
         continue-on-error: true
 
       - name: Build viewer-frontend
+        id: build-viewer-frontend
         run: |
           cd viewer-frontend
-          npm run build || true
+          npm run build
         continue-on-error: true
+
+      - name: Check for build failures
+        if: always()
+        run: |
+          FAILED=false
+          if [ "x${{ steps.validate-backend.outcome }}" = "xfailure" ]; then
+            echo "❌ Backend validation failed"
+            FAILED=true
+          fi
+          if [ "x${{ steps.build-admin-frontend.outcome }}" = "xfailure" ]; then
+            echo "❌ Admin frontend build failed"
+            FAILED=true
+          fi
+          if [ "x${{ steps.build-viewer-frontend.outcome }}" = "xfailure" ]; then
+            echo "❌ Viewer frontend build failed"
+            FAILED=true
+          fi
+          if [ "$FAILED" = "true" ]; then
+            echo "❌ One or more builds failed. Failing job."
+            exit 1
+          else
+            echo "✅ All builds passed"
+          fi
         env:
           DATABASE_URL: postgresql://postgres:postgres@localhost:5432/punimtag
           DATABASE_URL_AUTH: postgresql://postgres:postgres@localhost:5432/punimtag_auth
diff --git a/viewer-frontend/app/api/search/route.ts b/viewer-frontend/app/api/search/route.ts
index aa52627..e35cfeb 100644
--- a/viewer-frontend/app/api/search/route.ts
+++ b/viewer-frontend/app/api/search/route.ts
@@ -32,7 +32,7 @@ export async function GET(request: NextRequest) {
             where: { userId },
             select: { photoId: true },
           });
-          favoritePhotoIds = favorites.map(f => f.photoId);
+          favoritePhotoIds = favorites.map((f: { photoId: number }) => f.photoId);
           
           // If user has no favorites, return empty result
           if (favoritePhotoIds.length === 0) {
diff --git a/viewer-frontend/app/api/users/[id]/route.ts b/viewer-frontend/app/api/users/[id]/route.ts
index 68025c1..47e5092 100644
--- a/viewer-frontend/app/api/users/[id]/route.ts
+++ b/viewer-frontend/app/api/users/[id]/route.ts
@@ -279,7 +279,7 @@ export async function DELETE(
       prismaAuth.photoFavorite.count({ where: { userId } }),
     ]);
 
-    const finalHasRelatedRecords = finalCheck.some(count => count > 0);
+    const finalHasRelatedRecords = finalCheck.some((count: number) => count > 0);
     
     if (finalHasRelatedRecords) {
       console.log(`[DELETE User ${userId}] Final check found related records, deactivating instead`);
diff --git a/viewer-frontend/tsconfig.json b/viewer-frontend/tsconfig.json
index e8263c5..6f82382 100644
--- a/viewer-frontend/tsconfig.json
+++ b/viewer-frontend/tsconfig.json
@@ -28,7 +28,8 @@
     "**/*.tsx",
     ".next/types/**/*.ts",
     ".next/dev/types/**/*.ts",
-    "**/*.mts"
+    "**/*.mts",
+    "types/**/*.d.ts"
   ],
   "exclude": ["node_modules", "scripts"]
 }
diff --git a/viewer-frontend/types/prisma-client-auth.d.ts b/viewer-frontend/types/prisma-client-auth.d.ts
new file mode 100644
index 0000000..3442ccf
--- /dev/null
+++ b/viewer-frontend/types/prisma-client-auth.d.ts
@@ -0,0 +1,6 @@
+// Type declaration for Prisma client-auth
+// This module is generated at build time by Prisma
+declare module '../node_modules/.prisma/client-auth' {
+  export * from '@prisma/client';
+}
+