ci: Bump version to 0.1.12 [skip ci]

.gitea/workflows/deploy-to-prod.yml

@@ -93,8 +93,9 @@ jobs:
             exit 1
           fi
           GITEA_SERVER_URL="https://gitea.projectium.com"
-          COMMIT_MESSAGE=$(git log -1 --pretty=%s)
+          COMMIT_MESSAGE=$(git log -1 --grep="\[skip ci\]" --invert-grep --pretty=%s)
-          VITE_APP_VERSION="$(date +'%Y%m%d-%H%M'):$(git rev-parse --short HEAD)" \
+          PACKAGE_VERSION=$(node -p "require('./package.json').version")
+          VITE_APP_VERSION="$(date +'%Y%m%d-%H%M'):$(git rev-parse --short HEAD):$PACKAGE_VERSION" \
           VITE_APP_COMMIT_URL="$GITEA_SERVER_URL/${{ gitea.repository }}/commit/${{ gitea.sha }}" \
           VITE_APP_COMMIT_MESSAGE="$COMMIT_MESSAGE" \
           VITE_API_BASE_URL=/api VITE_API_KEY=${{ secrets.VITE_GOOGLE_GENAI_API_KEY }} npm run build
@@ -162,7 +163,12 @@ jobs:
           echo "Updating schema hash in production database..."
           CURRENT_HASH=$(cat sql/master_schema_rollup.sql | dos2unix | sha256sum | awk '{ print $1 }')
           PGPASSWORD="$DB_PASSWORD" psql -v ON_ERROR_STOP=1 -h "$DB_HOST" -p 5432 -U "$DB_USER" -d "$DB_NAME" -c \
-          "INSERT INTO public.schema_info (environment, schema_hash, deployed_at) VALUES ('production', '$CURRENT_HASH', NOW())
+          "CREATE TABLE IF NOT EXISTS public.schema_info (
+            environment VARCHAR(50) PRIMARY KEY,
+            schema_hash VARCHAR(64) NOT NULL,
+            deployed_at TIMESTAMP DEFAULT NOW()
+          );
+          INSERT INTO public.schema_info (environment, schema_hash, deployed_at) VALUES ('production', '$CURRENT_HASH', NOW())
            ON CONFLICT (environment) DO UPDATE SET schema_hash = EXCLUDED.schema_hash, deployed_at = NOW();"
 
           UPDATED_HASH=$(PGPASSWORD="$DB_PASSWORD" psql -v ON_ERROR_STOP=1 -h "$DB_HOST" -p 5432 -U "$DB_USER" -d "$DB_NAME" -c "SELECT schema_hash FROM public.schema_info WHERE environment = 'production';" -t -A)

.gitea/workflows/deploy-to-test.yml

@@ -119,6 +119,11 @@ jobs:
           # --- JWT Secret for Passport authentication in tests ---
           JWT_SECRET: ${{ secrets.JWT_SECRET }}
 
+          # --- V8 Coverage for Server Process ---
+          # This variable tells the Node.js process (our server, started by globalSetup)
+          # where to output its raw V8 coverage data.
+          NODE_V8_COVERAGE: '.coverage/tmp/integration-server'
+
           # --- Increase Node.js memory limit to prevent heap out of memory errors ---
           # This is crucial for memory-intensive tasks like running tests and coverage.
           NODE_OPTIONS: '--max-old-space-size=8192'
@@ -137,15 +142,15 @@ jobs:
           # The `|| true` ensures the workflow continues even if tests fail, allowing coverage to run.
           echo "--- Running Unit Tests ---"
           # npm run test:unit -- --coverage --reporter=verbose --includeTaskLocation --testTimeout=10000 --silent=passed-only || true
-          npm run test:unit -- --coverage --reporter=verbose --includeTaskLocation --testTimeout=10000 --silent=passed-only  --no-file-parallelism || true
+          npm run test:unit -- --coverage --coverage.exclude='**/*.test.ts' --coverage.exclude='**/tests/**' --coverage.exclude='**/mocks/**' --reporter=verbose --includeTaskLocation --testTimeout=10000 --silent=passed-only  --no-file-parallelism || true
 
           echo "--- Running Integration Tests ---"
-          npm run test:integration -- --coverage --reporter=verbose --includeTaskLocation --testTimeout=10000 --silent=passed-only || true
+          npm run test:integration -- --coverage --coverage.exclude='**/*.test.ts' --coverage.exclude='**/tests/**' --coverage.exclude='**/mocks/**' --reporter=verbose --includeTaskLocation --testTimeout=10000 --silent=passed-only || true
 
           echo "--- Running E2E Tests ---"
           # Run E2E tests using the dedicated E2E config which inherits from integration config.
           # We still pass --coverage to enable it, but directory and timeout are now in the config.
-          npx vitest run --config vitest.config.e2e.ts --coverage --reporter=verbose --no-file-parallelism || true
+          npx vitest run --config vitest.config.e2e.ts --coverage --coverage.exclude='**/*.test.ts' --coverage.exclude='**/tests/**' --coverage.exclude='**/mocks/**' --reporter=verbose --no-file-parallelism || true
 
           # Re-enable secret masking for subsequent steps.
           echo "::secret-masking::"
@@ -174,7 +179,7 @@ jobs:
           # Run c8: read raw files from the temp dir, and output an Istanbul JSON report.
           # We only generate the 'json' report here because it's all nyc needs for merging.
           echo "Server coverage report about to be generated..."
-          npx c8 report --reporter=json --temp-directory .coverage/tmp/integration-server --reports-dir .coverage/integration-server
+          npx c8 report --exclude='**/*.test.ts' --exclude='**/tests/**' --exclude='**/mocks/**' --reporter=json --temp-directory .coverage/tmp/integration-server --reports-dir .coverage/integration-server
           echo "Server coverage report generated. Verifying existence:"
           ls -l .coverage/integration-server/coverage-final.json
 
@@ -213,7 +218,10 @@ jobs:
             --reporter=text \
             --reporter=html \
             --report-dir .coverage/ \
-            --temp-dir "$NYC_SOURCE_DIR"
+            --temp-dir "$NYC_SOURCE_DIR" \
+            --exclude "**/*.test.ts" \
+            --exclude "**/tests/**" \
+            --exclude "**/mocks/**"
 
           # Re-enable secret masking for subsequent steps.
           echo "::secret-masking::"
@@ -274,6 +282,9 @@ jobs:
           if [ -z "$DEPLOYED_HASH" ]; then
             echo "WARNING: No schema hash found in the test database."
             echo "This is expected for a first-time deployment. The hash will be set after a successful deployment."
+            echo "--- Debug: Dumping schema_info table ---"
+            PGPASSWORD="$DB_PASSWORD" psql -v ON_ERROR_STOP=0 -h "$DB_HOST" -p 5432 -U "$DB_USER" -d "$DB_NAME" -P pager=off -c "SELECT * FROM public.schema_info;" || true
+            echo "----------------------------------------"
             # We allow the deployment to continue, but a manual schema update is required.
             # You could choose to fail here by adding `exit 1`.
           elif [ "$CURRENT_HASH" != "$DEPLOYED_HASH" ]; then
@@ -297,8 +308,9 @@ jobs:
           fi
 
           GITEA_SERVER_URL="https://gitea.projectium.com" # Your Gitea instance URL
-          COMMIT_MESSAGE=$(git log -1 --pretty=%s)
+          COMMIT_MESSAGE=$(git log -1 --grep="\[skip ci\]" --invert-grep --pretty=%s)
-          VITE_APP_VERSION="$(date +'%Y%m%d-%H%M'):$(git rev-parse --short HEAD)" \
+          PACKAGE_VERSION=$(node -p "require('./package.json').version")
+          VITE_APP_VERSION="$(date +'%Y%m%d-%H%M'):$(git rev-parse --short HEAD):$PACKAGE_VERSION" \
           VITE_APP_COMMIT_URL="$GITEA_SERVER_URL/${{ gitea.repository }}/commit/${{ gitea.sha }}" \
           VITE_APP_COMMIT_MESSAGE="$COMMIT_MESSAGE" \
           VITE_API_BASE_URL="https://flyer-crawler-test.projectium.com/api" VITE_API_KEY=${{ secrets.VITE_GOOGLE_GENAI_API_KEY_TEST }} npm run build
@@ -360,7 +372,7 @@ jobs:
 
           echo "Installing production dependencies and restarting test server..."
           cd /var/www/flyer-crawler-test.projectium.com
-          npm install --omit=dev # Install only production dependencies
+          npm install --omit=dev
           # Use `startOrReload` with the ecosystem file. This is the standard, idempotent way to deploy.
           # It will START the process if it's not running, or RELOAD it if it is.
           # We also add `&& pm2 save` to persist the process list across server reboots.
@@ -372,7 +384,12 @@ jobs:
           echo "Updating schema hash in test database..."
           CURRENT_HASH=$(cat sql/master_schema_rollup.sql | dos2unix | sha256sum | awk '{ print $1 }')
           PGPASSWORD="$DB_PASSWORD" psql -v ON_ERROR_STOP=1 -h "$DB_HOST" -p 5432 -U "$DB_USER" -d "$DB_NAME" -c \
-          "INSERT INTO public.schema_info (environment, schema_hash, deployed_at) VALUES ('test', '$CURRENT_HASH', NOW())
+          "CREATE TABLE IF NOT EXISTS public.schema_info (
+            environment VARCHAR(50) PRIMARY KEY,
+            schema_hash VARCHAR(64) NOT NULL,
+            deployed_at TIMESTAMP DEFAULT NOW()
+          );
+          INSERT INTO public.schema_info (environment, schema_hash, deployed_at) VALUES ('test', '$CURRENT_HASH', NOW())
            ON CONFLICT (environment) DO UPDATE SET schema_hash = EXCLUDED.schema_hash, deployed_at = NOW();"
 
           # Verify the hash was updated

.gitea/workflows/manual-deploy-major.yml

@@ -92,8 +92,9 @@ jobs:
             exit 1
           fi
           GITEA_SERVER_URL="https://gitea.projectium.com"
-          COMMIT_MESSAGE=$(git log -1 --pretty=%s)
+          COMMIT_MESSAGE=$(git log -1 --grep="\[skip ci\]" --invert-grep --pretty=%s)
-          VITE_APP_VERSION="$(date +'%Y%m%d-%H%M'):$(git rev-parse --short HEAD)" \
+          PACKAGE_VERSION=$(node -p "require('./package.json').version")
+          VITE_APP_VERSION="$(date +'%Y%m%d-%H%M'):$(git rev-parse --short HEAD):$PACKAGE_VERSION" \
           VITE_APP_COMMIT_URL="$GITEA_SERVER_URL/${{ gitea.repository }}/commit/${{ gitea.sha }}" \
           VITE_APP_COMMIT_MESSAGE="$COMMIT_MESSAGE" \
           VITE_API_BASE_URL=/api VITE_API_KEY=${{ secrets.VITE_GOOGLE_GENAI_API_KEY }} npm run build

ecosystem.config.cjs

@@ -18,48 +18,222 @@ module.exports = {
         NODE_ENV: 'production', // Set the Node.js environment to production
         name: 'flyer-crawler-api',
         cwd: '/var/www/flyer-crawler.projectium.com',
+        // Inherit secrets from the deployment environment
+        DB_HOST: process.env.DB_HOST,
+        DB_USER: process.env.DB_USER,
+        DB_PASSWORD: process.env.DB_PASSWORD,
+        DB_NAME: process.env.DB_NAME,
+        REDIS_URL: process.env.REDIS_URL,
+        REDIS_PASSWORD: process.env.REDIS_PASSWORD,
+        FRONTEND_URL: process.env.FRONTEND_URL,
+        JWT_SECRET: process.env.JWT_SECRET,
+        GEMINI_API_KEY: process.env.GEMINI_API_KEY,
+        GOOGLE_MAPS_API_KEY: process.env.GOOGLE_MAPS_API_KEY,
+        SMTP_HOST: process.env.SMTP_HOST,
+        SMTP_PORT: process.env.SMTP_PORT,
+        SMTP_SECURE: process.env.SMTP_SECURE,
+        SMTP_USER: process.env.SMTP_USER,
+        SMTP_PASS: process.env.SMTP_PASS,
+        SMTP_FROM_EMAIL: process.env.SMTP_FROM_EMAIL,
       },
       // Test Environment Settings
       env_test: {
-        NODE_ENV: 'development', // Use 'development' for test to enable more verbose logging if needed
+        NODE_ENV: 'test', // Set to 'test' to match the environment purpose and disable pino-pretty
         name: 'flyer-crawler-api-test',
         cwd: '/var/www/flyer-crawler-test.projectium.com',
+        // Inherit secrets from the deployment environment
+        DB_HOST: process.env.DB_HOST,
+        DB_USER: process.env.DB_USER,
+        DB_PASSWORD: process.env.DB_PASSWORD,
+        DB_NAME: process.env.DB_NAME,
+        REDIS_URL: process.env.REDIS_URL,
+        REDIS_PASSWORD: process.env.REDIS_PASSWORD,
+        FRONTEND_URL: process.env.FRONTEND_URL,
+        JWT_SECRET: process.env.JWT_SECRET,
+        GEMINI_API_KEY: process.env.GEMINI_API_KEY,
+        GOOGLE_MAPS_API_KEY: process.env.GOOGLE_MAPS_API_KEY,
+        SMTP_HOST: process.env.SMTP_HOST,
+        SMTP_PORT: process.env.SMTP_PORT,
+        SMTP_SECURE: process.env.SMTP_SECURE,
+        SMTP_USER: process.env.SMTP_USER,
+        SMTP_PASS: process.env.SMTP_PASS,
+        SMTP_FROM_EMAIL: process.env.SMTP_FROM_EMAIL,
+      },
+      // Development Environment Settings
+      env_development: {
+        NODE_ENV: 'development',
+        name: 'flyer-crawler-api-dev',
+        watch: true,
+        ignore_watch: ['node_modules', 'logs', '*.log', 'flyer-images', '.git'],
+        // Inherit secrets from the deployment environment
+        DB_HOST: process.env.DB_HOST,
+        DB_USER: process.env.DB_USER,
+        DB_PASSWORD: process.env.DB_PASSWORD,
+        DB_NAME: process.env.DB_NAME,
+        REDIS_URL: process.env.REDIS_URL,
+        REDIS_PASSWORD: process.env.REDIS_PASSWORD,
+        FRONTEND_URL: process.env.FRONTEND_URL,
+        JWT_SECRET: process.env.JWT_SECRET,
+        GEMINI_API_KEY: process.env.GEMINI_API_KEY,
+        GOOGLE_MAPS_API_KEY: process.env.GOOGLE_MAPS_API_KEY,
+        SMTP_HOST: process.env.SMTP_HOST,
+        SMTP_PORT: process.env.SMTP_PORT,
+        SMTP_SECURE: process.env.SMTP_SECURE,
+        SMTP_USER: process.env.SMTP_USER,
+        SMTP_PASS: process.env.SMTP_PASS,
+        SMTP_FROM_EMAIL: process.env.SMTP_FROM_EMAIL,
       },
     },
     {
       // --- General Worker ---
       name: 'flyer-crawler-worker',
       script: './node_modules/.bin/tsx',
-      args: 'src/services/queueService.server.ts', // tsx will execute this file
+      args: 'src/worker.ts', // tsx will execute this file
       // Production Environment Settings
       env_production: {
         NODE_ENV: 'production',
         name: 'flyer-crawler-worker',
         cwd: '/var/www/flyer-crawler.projectium.com',
+        // Inherit secrets from the deployment environment
+        DB_HOST: process.env.DB_HOST,
+        DB_USER: process.env.DB_USER,
+        DB_PASSWORD: process.env.DB_PASSWORD,
+        DB_NAME: process.env.DB_NAME,
+        REDIS_URL: process.env.REDIS_URL,
+        REDIS_PASSWORD: process.env.REDIS_PASSWORD,
+        FRONTEND_URL: process.env.FRONTEND_URL,
+        JWT_SECRET: process.env.JWT_SECRET,
+        GEMINI_API_KEY: process.env.GEMINI_API_KEY,
+        GOOGLE_MAPS_API_KEY: process.env.GOOGLE_MAPS_API_KEY,
+        SMTP_HOST: process.env.SMTP_HOST,
+        SMTP_PORT: process.env.SMTP_PORT,
+        SMTP_SECURE: process.env.SMTP_SECURE,
+        SMTP_USER: process.env.SMTP_USER,
+        SMTP_PASS: process.env.SMTP_PASS,
+        SMTP_FROM_EMAIL: process.env.SMTP_FROM_EMAIL,
       },
       // Test Environment Settings
       env_test: {
-        NODE_ENV: 'development',
+        NODE_ENV: 'test',
         name: 'flyer-crawler-worker-test',
         cwd: '/var/www/flyer-crawler-test.projectium.com',
+        // Inherit secrets from the deployment environment
+        DB_HOST: process.env.DB_HOST,
+        DB_USER: process.env.DB_USER,
+        DB_PASSWORD: process.env.DB_PASSWORD,
+        DB_NAME: process.env.DB_NAME,
+        REDIS_URL: process.env.REDIS_URL,
+        REDIS_PASSWORD: process.env.REDIS_PASSWORD,
+        FRONTEND_URL: process.env.FRONTEND_URL,
+        JWT_SECRET: process.env.JWT_SECRET,
+        GEMINI_API_KEY: process.env.GEMINI_API_KEY,
+        GOOGLE_MAPS_API_KEY: process.env.GOOGLE_MAPS_API_KEY,
+        SMTP_HOST: process.env.SMTP_HOST,
+        SMTP_PORT: process.env.SMTP_PORT,
+        SMTP_SECURE: process.env.SMTP_SECURE,
+        SMTP_USER: process.env.SMTP_USER,
+        SMTP_PASS: process.env.SMTP_PASS,
+        SMTP_FROM_EMAIL: process.env.SMTP_FROM_EMAIL,
+      },
+      // Development Environment Settings
+      env_development: {
+        NODE_ENV: 'development',
+        name: 'flyer-crawler-worker-dev',
+        watch: true,
+        ignore_watch: ['node_modules', 'logs', '*.log', 'flyer-images', '.git'],
+        // Inherit secrets from the deployment environment
+        DB_HOST: process.env.DB_HOST,
+        DB_USER: process.env.DB_USER,
+        DB_PASSWORD: process.env.DB_PASSWORD,
+        DB_NAME: process.env.DB_NAME,
+        REDIS_URL: process.env.REDIS_URL,
+        REDIS_PASSWORD: process.env.REDIS_PASSWORD,
+        FRONTEND_URL: process.env.FRONTEND_URL,
+        JWT_SECRET: process.env.JWT_SECRET,
+        GEMINI_API_KEY: process.env.GEMINI_API_KEY,
+        GOOGLE_MAPS_API_KEY: process.env.GOOGLE_MAPS_API_KEY,
+        SMTP_HOST: process.env.SMTP_HOST,
+        SMTP_PORT: process.env.SMTP_PORT,
+        SMTP_SECURE: process.env.SMTP_SECURE,
+        SMTP_USER: process.env.SMTP_USER,
+        SMTP_PASS: process.env.SMTP_PASS,
+        SMTP_FROM_EMAIL: process.env.SMTP_FROM_EMAIL,
       },
     },
     {
       // --- Analytics Worker ---
       name: 'flyer-crawler-analytics-worker',
       script: './node_modules/.bin/tsx',
-      args: 'src/services/queueService.server.ts', // tsx will execute this file
+      args: 'src/worker.ts', // tsx will execute this file
       // Production Environment Settings
       env_production: {
         NODE_ENV: 'production',
         name: 'flyer-crawler-analytics-worker',
         cwd: '/var/www/flyer-crawler.projectium.com',
+        // Inherit secrets from the deployment environment
+        DB_HOST: process.env.DB_HOST,
+        DB_USER: process.env.DB_USER,
+        DB_PASSWORD: process.env.DB_PASSWORD,
+        DB_NAME: process.env.DB_NAME,
+        REDIS_URL: process.env.REDIS_URL,
+        REDIS_PASSWORD: process.env.REDIS_PASSWORD,
+        FRONTEND_URL: process.env.FRONTEND_URL,
+        JWT_SECRET: process.env.JWT_SECRET,
+        GEMINI_API_KEY: process.env.GEMINI_API_KEY,
+        GOOGLE_MAPS_API_KEY: process.env.GOOGLE_MAPS_API_KEY,
+        SMTP_HOST: process.env.SMTP_HOST,
+        SMTP_PORT: process.env.SMTP_PORT,
+        SMTP_SECURE: process.env.SMTP_SECURE,
+        SMTP_USER: process.env.SMTP_USER,
+        SMTP_PASS: process.env.SMTP_PASS,
+        SMTP_FROM_EMAIL: process.env.SMTP_FROM_EMAIL,
       },
       // Test Environment Settings
       env_test: {
-        NODE_ENV: 'development',
+        NODE_ENV: 'test',
         name: 'flyer-crawler-analytics-worker-test',
         cwd: '/var/www/flyer-crawler-test.projectium.com',
+        // Inherit secrets from the deployment environment
+        DB_HOST: process.env.DB_HOST,
+        DB_USER: process.env.DB_USER,
+        DB_PASSWORD: process.env.DB_PASSWORD,
+        DB_NAME: process.env.DB_NAME,
+        REDIS_URL: process.env.REDIS_URL,
+        REDIS_PASSWORD: process.env.REDIS_PASSWORD,
+        FRONTEND_URL: process.env.FRONTEND_URL,
+        JWT_SECRET: process.env.JWT_SECRET,
+        GEMINI_API_KEY: process.env.GEMINI_API_KEY,
+        GOOGLE_MAPS_API_KEY: process.env.GOOGLE_MAPS_API_KEY,
+        SMTP_HOST: process.env.SMTP_HOST,
+        SMTP_PORT: process.env.SMTP_PORT,
+        SMTP_SECURE: process.env.SMTP_SECURE,
+        SMTP_USER: process.env.SMTP_USER,
+        SMTP_PASS: process.env.SMTP_PASS,
+        SMTP_FROM_EMAIL: process.env.SMTP_FROM_EMAIL,
+      },
+      // Development Environment Settings
+      env_development: {
+        NODE_ENV: 'development',
+        name: 'flyer-crawler-analytics-worker-dev',
+        watch: true,
+        ignore_watch: ['node_modules', 'logs', '*.log', 'flyer-images', '.git'],
+        // Inherit secrets from the deployment environment
+        DB_HOST: process.env.DB_HOST,
+        DB_USER: process.env.DB_USER,
+        DB_PASSWORD: process.env.DB_PASSWORD,
+        DB_NAME: process.env.DB_NAME,
+        REDIS_URL: process.env.REDIS_URL,
+        REDIS_PASSWORD: process.env.REDIS_PASSWORD,
+        FRONTEND_URL: process.env.FRONTEND_URL,
+        JWT_SECRET: process.env.JWT_SECRET,
+        GEMINI_API_KEY: process.env.GEMINI_API_KEY,
+        GOOGLE_MAPS_API_KEY: process.env.GOOGLE_MAPS_API_KEY,
+        SMTP_HOST: process.env.SMTP_HOST,
+        SMTP_PORT: process.env.SMTP_PORT,
+        SMTP_SECURE: process.env.SMTP_SECURE,
+        SMTP_USER: process.env.SMTP_USER,
+        SMTP_PASS: process.env.SMTP_PASS,
+        SMTP_FROM_EMAIL: process.env.SMTP_FROM_EMAIL,
       },
     },
   ],

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "flyer-crawler",
-  "version": "0.0.27",
+  "version": "0.1.12",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "flyer-crawler",
-      "version": "0.0.27",
+      "version": "0.1.12",
       "dependencies": {
         "@bull-board/api": "^6.14.2",
         "@bull-board/express": "^6.14.2",

package.json

@@ -1,7 +1,7 @@
 {
   "name": "flyer-crawler",
   "private": true,
-  "version": "0.0.27",
+  "version": "0.1.12",
   "type": "module",
   "scripts": {
     "dev": "concurrently \"npm:start:dev\" \"vite\"",

src/App.test.tsx

@@ -36,7 +36,7 @@ vi.mock('pdfjs-dist', () => ({
 // Mock the new config module
 vi.mock('./config', () => ({
   default: {
-    app: { version: '1.0.0', commitMessage: 'Initial commit', commitUrl: '#' },
+    app: { version: '20250101-1200:abc1234:1.0.0', commitMessage: 'Initial commit', commitUrl: '#' },
     google: { mapsEmbedApiKey: 'mock-key' },
   },
 }));
@@ -588,11 +588,11 @@ describe('App Component', () => {
       // Mock the config module for this specific test
       vi.mock('./config', () => ({
         default: {
-          app: { version: '1.0.1', commitMessage: 'New feature!', commitUrl: '#' },
+          app: { version: '20250101-1200:abc1234:1.0.1', commitMessage: 'New feature!', commitUrl: '#' },
           google: { mapsEmbedApiKey: 'mock-key' },
         },
       }));
-      localStorageMock.setItem('lastSeenVersion', '1.0.0');
+      localStorageMock.setItem('lastSeenVersion', '20250101-1200:abc1234:1.0.0');
       renderApp();
       await expect(screen.findByTestId('whats-new-modal-mock')).resolves.toBeInTheDocument();
     });
@@ -741,7 +741,7 @@ describe('App Component', () => {
       vi.mock('./config', () => ({
         default: {
           app: {
-            version: '2.0.0',
+            version: '20250101-1200:abc1234:2.0.0',
             commitMessage: 'A new version!',
             commitUrl: 'http://example.com/commit/2.0.0',
           },
@@ -752,14 +752,14 @@ describe('App Component', () => {
 
     it('should display the version number and commit link', () => {
       renderApp();
-      const versionLink = screen.getByText(`Version: 2.0.0`);
+      const versionLink = screen.getByText(`Version: 20250101-1200:abc1234:2.0.0`);
       expect(versionLink).toBeInTheDocument();
       expect(versionLink).toHaveAttribute('href', 'http://example.com/commit/2.0.0');
     });
 
     it('should open the "What\'s New" modal when the question mark icon is clicked', async () => {
       // Pre-set the localStorage to prevent the modal from opening automatically
-      localStorageMock.setItem('lastSeenVersion', '2.0.0');
+      localStorageMock.setItem('lastSeenVersion', '20250101-1200:abc1234:2.0.0');
 
       renderApp();
       expect(screen.queryByTestId('whats-new-modal-mock')).not.toBeInTheDocument();

src/components/FlyerCorrectionTool.tsx

@@ -44,7 +44,7 @@ export const FlyerCorrectionTool: React.FC<FlyerCorrectionToolProps> = ({
         })
         .catch((err) => {
           console.error('[DEBUG] FlyerCorrectionTool: Failed to fetch image.', { err });
-          logger.error('Failed to fetch image for correction tool', { error: err });
+          logger.error({ error: err }, 'Failed to fetch image for correction tool');
           notifyError('Could not load the image for correction.');
         });
     }
@@ -164,7 +164,7 @@ export const FlyerCorrectionTool: React.FC<FlyerCorrectionToolProps> = ({
       const msg = err instanceof Error ? err.message : 'An unknown error occurred.';
       console.error('[DEBUG] handleRescan: Caught an error.', { error: err });
       notifyError(msg);
-      logger.error('Error during rescan:', { error: err });
+      logger.error({ error: err }, 'Error during rescan:');
     } finally {
       console.debug('[DEBUG] handleRescan: Finished. Setting isProcessing=false.');
       setIsProcessing(false);

src/features/flyer/FlyerUploader.test.tsx

@@ -73,12 +73,11 @@ describe('FlyerUploader', () => {
 
   it('should handle file upload and start polling', async () => {
     console.log('--- [TEST LOG] ---: 1. Setting up mocks for upload and polling.');
-    mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue(
+    mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue({ jobId: 'job-123' });
-      new Response(JSON.stringify({ jobId: 'job-123' }), { status: 200 }),
+    mockedAiApiClient.getJobStatus.mockResolvedValue({
-    );
+      state: 'active',
-    mockedAiApiClient.getJobStatus.mockResolvedValue(
+      progress: { message: 'Checking...' },
-      new Response(JSON.stringify({ state: 'active', progress: { message: 'Checking...' } })),
+    });
-    );
 
     console.log('--- [TEST LOG] ---: 2. Rendering component and preparing file.');
     renderComponent();
@@ -131,12 +130,11 @@ describe('FlyerUploader', () => {
 
   it('should handle file upload via drag and drop', async () => {
     console.log('--- [TEST LOG] ---: 1. Setting up mocks for drag and drop.');
-    mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue(
+    mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue({ jobId: 'job-dnd' });
-      new Response(JSON.stringify({ jobId: 'job-dnd' }), { status: 200 }),
+    mockedAiApiClient.getJobStatus.mockResolvedValue({
-    );
+      state: 'active',
-    mockedAiApiClient.getJobStatus.mockResolvedValue(
+      progress: { message: 'Dropped...' },
-      new Response(JSON.stringify({ state: 'active', progress: { message: 'Dropped...' } })),
+    });
-    );
 
     console.log('--- [TEST LOG] ---: 2. Rendering component and preparing file for drop.');
     renderComponent();
@@ -159,16 +157,10 @@ describe('FlyerUploader', () => {
   it('should poll for status, complete successfully, and redirect', async () => {
     const onProcessingComplete = vi.fn();
     console.log('--- [TEST LOG] ---: 1. Setting up mock sequence for polling.');
-    mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue(
+    mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue({ jobId: 'job-123' });
-      new Response(JSON.stringify({ jobId: 'job-123' }), { status: 200 }),
-    );
     mockedAiApiClient.getJobStatus
-      .mockResolvedValueOnce(
+      .mockResolvedValueOnce({ state: 'active', progress: { message: 'Analyzing...' } })
-        new Response(JSON.stringify({ state: 'active', progress: { message: 'Analyzing...' } })),
+      .mockResolvedValueOnce({ state: 'completed', returnValue: { flyerId: 42 } });
-      )
-      .mockResolvedValueOnce(
-        new Response(JSON.stringify({ state: 'completed', returnValue: { flyerId: 42 } })),
-      );
 
     console.log('--- [TEST LOG] ---: 2. Rendering component and uploading file.');
     renderComponent(onProcessingComplete);
@@ -229,12 +221,11 @@ describe('FlyerUploader', () => {
 
   it('should handle a failed job', async () => {
     console.log('--- [TEST LOG] ---: 1. Setting up mocks for a failed job.');
-    mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue(
+    mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue({ jobId: 'job-fail' });
-      new Response(JSON.stringify({ jobId: 'job-fail' }), { status: 200 }),
+    mockedAiApiClient.getJobStatus.mockResolvedValue({
-    );
+      state: 'failed',
-    mockedAiApiClient.getJobStatus.mockResolvedValue(
+      failedReason: 'AI model exploded',
-      new Response(JSON.stringify({ state: 'failed', failedReason: 'AI model exploded' })),
+    });
-    );
 
     console.log('--- [TEST LOG] ---: 2. Rendering and uploading.');
     renderComponent();
@@ -260,11 +251,82 @@ describe('FlyerUploader', () => {
     console.log('--- [TEST LOG] ---: 6. "Upload Another" button confirmed.');
   });
 
+  it('should clear the polling timeout when a job fails', async () => {
+    const clearTimeoutSpy = vi.spyOn(global, 'clearTimeout');
+    console.log('--- [TEST LOG] ---: 1. Setting up mocks for failed job timeout clearance.');
+    mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue({ jobId: 'job-fail-timeout' });
+
+    // We need at least one 'active' response to establish a timeout loop so we have something to clear
+    mockedAiApiClient.getJobStatus
+      .mockResolvedValueOnce({ state: 'active', progress: { message: 'Working...' } })
+      .mockResolvedValueOnce({ state: 'failed', failedReason: 'Fatal Error' });
+
+    renderComponent();
+    const file = new File(['content'], 'flyer.pdf', { type: 'application/pdf' });
+    const input = screen.getByLabelText(/click to select a file/i);
+
+    fireEvent.change(input, { target: { files: [file] } });
+
+    // Wait for the first poll to complete and UI to update to "Working..."
+    await screen.findByText('Working...');
+
+    // Advance time to trigger the second poll
+    await act(async () => {
+      vi.advanceTimersByTime(3000);
+    });
+
+    // Wait for the failure UI
+    await screen.findByText(/Processing failed: Fatal Error/i);
+
+    // Verify clearTimeout was called
+    expect(clearTimeoutSpy).toHaveBeenCalled();
+
+    // Verify no further polling occurs
+    const callsBefore = mockedAiApiClient.getJobStatus.mock.calls.length;
+    await act(async () => {
+      vi.advanceTimersByTime(10000);
+    });
+    expect(mockedAiApiClient.getJobStatus).toHaveBeenCalledTimes(callsBefore);
+
+    clearTimeoutSpy.mockRestore();
+  });
+
+  it('should clear the polling timeout when the component unmounts', async () => {
+    const clearTimeoutSpy = vi.spyOn(global, 'clearTimeout');
+    console.log('--- [TEST LOG] ---: 1. Setting up mocks for unmount timeout clearance.');
+    mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue({ jobId: 'job-unmount' });
+    mockedAiApiClient.getJobStatus.mockResolvedValue({
+      state: 'active',
+      progress: { message: 'Polling...' },
+    });
+
+    const { unmount } = renderComponent();
+    const file = new File(['content'], 'flyer.pdf', { type: 'application/pdf' });
+    const input = screen.getByLabelText(/click to select a file/i);
+
+    fireEvent.change(input, { target: { files: [file] } });
+
+    // Wait for the first poll to complete and the UI to show the polling state
+    await screen.findByText('Polling...');
+
+    // Now that we are in a polling state (and a timeout is set), unmount the component
+    console.log('--- [TEST LOG] ---: 2. Unmounting component to trigger cleanup effect.');
+    unmount();
+
+    // Verify that the cleanup function in the useEffect hook was called
+    expect(clearTimeoutSpy).toHaveBeenCalled();
+    console.log('--- [TEST LOG] ---: 3. clearTimeout confirmed.');
+
+    clearTimeoutSpy.mockRestore();
+  });
+
   it('should handle a duplicate flyer error (409)', async () => {
     console.log('--- [TEST LOG] ---: 1. Setting up mock for 409 duplicate error.');
-    mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue(
+    // The API client now throws a structured error for non-2xx responses.
-      new Response(JSON.stringify({ flyerId: 99, message: 'Duplicate' }), { status: 409 }),
+    mockedAiApiClient.uploadAndProcessFlyer.mockRejectedValue({
-    );
+      status: 409,
+      body: { flyerId: 99, message: 'Duplicate' },
+  });
 
     console.log('--- [TEST LOG] ---: 2. Rendering and uploading.');
     renderComponent();
@@ -295,12 +357,11 @@ describe('FlyerUploader', () => {
 
   it('should allow the user to stop watching progress', async () => {
     console.log('--- [TEST LOG] ---: 1. Setting up mocks for infinite polling.');
-    mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue(
+    mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue({ jobId: 'job-stop' });
-      new Response(JSON.stringify({ jobId: 'job-stop' }), { status: 200 }),
+    mockedAiApiClient.getJobStatus.mockResolvedValue({
-    );
+      state: 'active',
-    mockedAiApiClient.getJobStatus.mockResolvedValue(
+      progress: { message: 'Analyzing...' },
-      new Response(JSON.stringify({ state: 'active', progress: { message: 'Analyzing...' } })),
+    } as any);
-    );
 
     console.log('--- [TEST LOG] ---: 2. Rendering and uploading.');
     renderComponent();
@@ -362,9 +423,11 @@ describe('FlyerUploader', () => {
 
     it('should handle a generic network error during upload', async () => {
       console.log('--- [TEST LOG] ---: 1. Setting up mock for generic upload error.');
-      mockedAiApiClient.uploadAndProcessFlyer.mockRejectedValue(
+      // Simulate a structured error from the API client
-        new Error('Network Error During Upload'),
+      mockedAiApiClient.uploadAndProcessFlyer.mockRejectedValue({
-      );
+        status: 500,
+        body: { message: 'Network Error During Upload' },
+      });
       renderComponent();
       const file = new File(['content'], 'flyer.pdf', { type: 'application/pdf' });
       const input = screen.getByLabelText(/click to select a file/i);
@@ -379,9 +442,7 @@ describe('FlyerUploader', () => {
 
     it('should handle a generic network error during polling', async () => {
       console.log('--- [TEST LOG] ---: 1. Setting up mock for polling error.');
-      mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue(
+      mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue({ jobId: 'job-poll-fail' });
-        new Response(JSON.stringify({ jobId: 'job-poll-fail' }), { status: 200 }),
-      );
       mockedAiApiClient.getJobStatus.mockRejectedValue(new Error('Polling Network Error'));
 
       renderComponent();
@@ -398,11 +459,9 @@ describe('FlyerUploader', () => {
 
     it('should handle a completed job with a missing flyerId', async () => {
       console.log('--- [TEST LOG] ---: 1. Setting up mock for malformed completion payload.');
-      mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue(
+      mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue({ jobId: 'job-no-flyerid' });
-        new Response(JSON.stringify({ jobId: 'job-no-flyerid' }), { status: 200 }),
-      );
       mockedAiApiClient.getJobStatus.mockResolvedValue(
-        new Response(JSON.stringify({ state: 'completed', returnValue: {} })), // No flyerId
+      { state: 'completed', returnValue: {} }, // No flyerId
       );
 
       renderComponent();
@@ -419,6 +478,27 @@ describe('FlyerUploader', () => {
       console.log('--- [TEST LOG] ---: 4. Assertions passed.');
     });
 
+    it('should handle a non-JSON response during polling', async () => {
+      console.log('--- [TEST LOG] ---: 1. Setting up mock for non-JSON response.');
+      // The actual function would throw, so we mock the rejection.
+      // The new getJobStatus would throw an error like "Failed to parse JSON..."
+      mockedAiApiClient.uploadAndProcessFlyer.mockResolvedValue({ jobId: 'job-bad-json' });
+      mockedAiApiClient.getJobStatus.mockRejectedValue(
+        new Error('Failed to parse JSON response from server. Body: <html>502 Bad Gateway</html>'),
+      );
+
+      renderComponent();
+      const file = new File(['content'], 'flyer.pdf', { type: 'application/pdf' });
+      const input = screen.getByLabelText(/click to select a file/i);
+
+      console.log('--- [TEST LOG] ---: 2. Firing file change event.');
+      fireEvent.change(input, { target: { files: [file] } });
+
+      console.log('--- [TEST LOG] ---: 3. Awaiting error message.');
+      expect(await screen.findByText(/Failed to parse JSON response from server/i)).toBeInTheDocument();
+      console.log('--- [TEST LOG] ---: 4. Assertions passed.');
+    });
+
     it('should do nothing if the file input is cancelled', () => {
       renderComponent();
       const input = screen.getByLabelText(/click to select a file/i);

src/features/flyer/FlyerUploader.tsx

@@ -60,14 +60,8 @@ export const FlyerUploader: React.FC<FlyerUploaderProps> = ({ onProcessingComple
     const pollStatus = async () => {
       console.debug(`[DEBUG] pollStatus(): Polling for jobId: ${jobId}`);
       try {
-        const statusResponse = await getJobStatus(jobId);
+        const job = await getJobStatus(jobId); // Now returns parsed JSON directly
-        console.debug(`[DEBUG] pollStatus(): API response status: ${statusResponse.status}`);
+        console.debug('[DEBUG] pollStatus(): Job status received:', job); // The rest of the logic remains the same
-        if (!statusResponse.ok) {
-          throw new Error(`Failed to get job status (HTTP ${statusResponse.status})`);
-        }
-
-        const job = await statusResponse.json();
-        console.debug('[DEBUG] pollStatus(): Job status received:', job);
 
         if (job.progress) {
           setProcessingStages(job.progress.stages || []);
@@ -97,7 +91,13 @@ export const FlyerUploader: React.FC<FlyerUploaderProps> = ({ onProcessingComple
             console.debug(
               `[DEBUG] pollStatus(): Job state is "failed". Reason: ${job.failedReason}`,
             );
+            // Explicitly clear any pending timeout to stop the polling loop immediately.
+            if (pollingTimeoutRef.current) {
+              clearTimeout(pollingTimeoutRef.current);
+            }
             setErrorMessage(`Processing failed: ${job.failedReason || 'Unknown error'}`);
+            // Clear any stale "in-progress" messages to avoid user confusion.
+            setStatusMessage(null);
             setProcessingState('error');
             break;
 
@@ -112,7 +112,7 @@ export const FlyerUploader: React.FC<FlyerUploaderProps> = ({ onProcessingComple
             break;
         }
       } catch (error) {
-        logger.error('Error during polling:', { error });
+        logger.error({ error }, 'Error during polling:');
         setErrorMessage(
           error instanceof Error ? error.message : 'An unexpected error occurred during polling.',
         );
@@ -150,29 +150,24 @@ export const FlyerUploader: React.FC<FlyerUploaderProps> = ({ onProcessingComple
         `[DEBUG] processFile(): Checksum generated: ${checksum}. Calling uploadAndProcessFlyer.`,
       );
 
-      const startResponse = await uploadAndProcessFlyer(file, checksum);
+      // The API client now returns parsed JSON on success or throws a structured error on failure.
-      console.debug(`[DEBUG] processFile(): Upload response status: ${startResponse.status}`);
+      const { jobId: newJobId } = await uploadAndProcessFlyer(file, checksum);
-
-      if (!startResponse.ok) {
-        const errorData = await startResponse.json();
-        console.debug('[DEBUG] processFile(): Upload failed. Error data:', errorData);
-        if (startResponse.status === 409 && errorData.flyerId) {
-          setErrorMessage(`This flyer has already been processed. You can view it here:`);
-          setDuplicateFlyerId(errorData.flyerId);
-        } else {
-          setErrorMessage(errorData.message || `Upload failed with status ${startResponse.status}`);
-        }
-        setProcessingState('error');
-        return;
-      }
-
-      const { jobId: newJobId } = await startResponse.json();
       console.debug(`[DEBUG] processFile(): Upload successful. Received jobId: ${newJobId}`);
       setJobId(newJobId);
       setProcessingState('polling');
-    } catch (error) {
+    } catch (error: any) {
-      logger.error('An unexpected error occurred during file upload:', { error });
+      // Handle the structured error thrown by the API client.
-      setErrorMessage(error instanceof Error ? error.message : 'An unexpected error occurred.');
+      logger.error({ error }, 'An error occurred during file upload:');
+      // Handle 409 Conflict for duplicate flyers
+      if (error?.status === 409 && error.body?.flyerId) {
+        setErrorMessage(`This flyer has already been processed. You can view it here:`);
+        setDuplicateFlyerId(error.body.flyerId);
+      } else {
+        // Handle other errors (e.g., validation, server errors)
+        const message =
+          error?.body?.message || error?.message || 'An unexpected error occurred during upload.';
+        setErrorMessage(message);
+      }
       setProcessingState('error');
     }
   }, []);

src/middleware/errorHandler.test.ts

@@ -15,16 +15,19 @@ import type { Logger } from 'pino';
 // Create a mock logger that we can inject into requests and assert against.
 // We only mock the methods we intend to spy on. The rest of the complex Pino
 // Logger type is satisfied by casting, which is a common and clean testing practice.
-const mockLogger = {
+const { mockLogger } = vi.hoisted(() => {
-  error: vi.fn(),
+  const mockLogger = {
-  warn: vi.fn(),
+    error: vi.fn(),
-  info: vi.fn(),
+    warn: vi.fn(),
-  debug: vi.fn(),
+    info: vi.fn(),
-  fatal: vi.fn(),
+    debug: vi.fn(),
-  trace: vi.fn(),
+    fatal: vi.fn(),
-  silent: vi.fn(),
+    trace: vi.fn(),
-  child: vi.fn().mockReturnThis(),
+    silent: vi.fn(),
-} as unknown as Logger;
+    child: vi.fn().mockReturnThis(),
+  };
+  return { mockLogger };
+});
 
 // Mock the global logger as a fallback, though our tests will focus on req.log
 vi.mock('../services/logger.server', () => ({ logger: mockLogger }));
@@ -37,7 +40,7 @@ const app = express();
 app.use(express.json());
 // Add a middleware to inject our mock logger into each request as `req.log`
 app.use((req: Request, res: Response, next: NextFunction) => {
-  req.log = mockLogger;
+  req.log = mockLogger as unknown as Logger;
   next();
 });
 
@@ -106,7 +109,10 @@ describe('errorHandler Middleware', () => {
   it('should return a generic 500 error for a standard Error object', async () => {
     const response = await supertest(app).get('/generic-error');
     expect(response.status).toBe(500);
-    expect(response.body).toEqual({ message: 'A generic server error occurred.' });
+    // In test/dev, we now expect a stack trace for 5xx errors.
+    expect(response.body.message).toBe('A generic server error occurred.');
+    expect(response.body.stack).toBeDefined();
+    expect(response.body.stack).toEqual(expect.any(String));
     expect(mockLogger.error).toHaveBeenCalledWith(
       expect.objectContaining({
         err: expect.any(Error),
@@ -229,7 +235,10 @@ describe('errorHandler Middleware', () => {
     const response = await supertest(app).get('/db-error-500');
 
     expect(response.status).toBe(500);
-    expect(response.body).toEqual({ message: 'A database connection issue occurred.' });
+    // In test/dev, we now expect a stack trace for 5xx errors.
+    expect(response.body.message).toBe('A database connection issue occurred.');
+    expect(response.body.stack).toBeDefined();
+    expect(response.body.stack).toEqual(expect.any(String));
     expect(mockLogger.error).toHaveBeenCalledWith(
       expect.objectContaining({
         err: expect.any(DatabaseError),

src/middleware/errorHandler.ts

@@ -1,94 +1,68 @@
 // src/middleware/errorHandler.ts
 import { Request, Response, NextFunction } from 'express';
+import { ZodError } from 'zod';
 import {
-  DatabaseError,
-  UniqueConstraintError,
   ForeignKeyConstraintError,
   NotFoundError,
+  UniqueConstraintError,
   ValidationError,
-  ValidationIssue,
 } from '../services/db/errors.db';
-import crypto from 'crypto';
+import { logger } from '../services/logger.server';
 
-interface HttpError extends Error {
+/**
-  status?: number;
+ * A centralized error handling middleware for the Express application.
-}
+ * This middleware should be the LAST `app.use()` call to catch all errors from previous routes and middleware.
-
+ *
-export const errorHandler = (err: HttpError, req: Request, res: Response, next: NextFunction) => {
+ * It standardizes error responses and ensures consistent logging.
-  // If the response headers have already been sent, we must delegate to the default Express error handler.
+ */
+export const errorHandler = (err: Error, req: Request, res: Response, next: NextFunction) => {
+  // If headers have already been sent, delegate to the default Express error handler.
   if (res.headersSent) {
     return next(err);
   }
 
-  // The pino-http middleware guarantees that `req.log` will be available.
+  // Use the request-scoped logger if available, otherwise fall back to the global logger.
-  const log = req.log;
+  const log = req.log || logger;
 
-  // --- 1. Determine Final Status Code and Message ---
+  // --- Handle Zod Validation Errors ---
-  let statusCode = err.status ?? 500;
+  if (err instanceof ZodError) {
-  const message = err.message;
+    log.warn({ err: err.flatten() }, 'Request validation failed');
-  let validationIssues: ValidationIssue[] | undefined;
+    return res.status(400).json({
-  let errorId: string | undefined;
+      message: 'The request data is invalid.',
+      errors: err.issues.map((e) => ({ path: e.path, message: e.message })),
+    });
+  }
+
+  // --- Handle Custom Operational Errors ---
+  if (err instanceof NotFoundError) {
+    log.info({ err }, 'Resource not found');
+    return res.status(404).json({ message: err.message });
+  }
+
+  if (err instanceof ValidationError) {
+    log.warn({ err }, 'Validation error occurred');
+    return res.status(400).json({ message: err.message, errors: err.validationErrors });
+  }
 
-  // Refine the status code for known error types. Check for most specific types first.
   if (err instanceof UniqueConstraintError) {
-    statusCode = 409; // Conflict
+    log.warn({ err }, 'Constraint error occurred');
-  } else if (err instanceof NotFoundError) {
+    return res.status(409).json({ message: err.message }); // Use 409 Conflict for unique constraints
-    statusCode = 404;
-  } else if (err instanceof ForeignKeyConstraintError) {
-    statusCode = 400;
-  } else if (err instanceof ValidationError) {
-    statusCode = 400;
-    validationIssues = err.validationErrors;
-  } else if (err instanceof DatabaseError) {
-    // This is a generic fallback for other database errors that are not the specific subclasses above.
-    statusCode = err.status;
-  } else if (err.name === 'UnauthorizedError') {
-    statusCode = err.status || 401;
   }
 
-  // --- 2. Log Based on Final Status Code ---
+  if (err instanceof ForeignKeyConstraintError) {
-  // Log the full error details for debugging, especially for server errors.
+    log.warn({ err }, 'Foreign key constraint violation');
-  if (statusCode >= 500) {
+    return res.status(400).json({ message: err.message });
-    errorId = crypto.randomBytes(4).toString('hex');
-    // The request-scoped logger already contains user, IP, and request_id.
-    // We add the full error and the request object itself.
-    // Pino's `redact` config will automatically sanitize sensitive fields in `req`.
-    log.error(
-      {
-        err,
-        errorId,
-        req: { method: req.method, url: req.originalUrl, headers: req.headers, body: req.body },
-      },
-      `Unhandled API Error (ID: ${errorId})`,
-    );
-  } else {
-    // For 4xx errors, log at a lower level (e.g., 'warn') to avoid flooding error trackers.
-    // We include the validation errors in the log context if they exist.
-    log.warn(
-      {
-        err,
-        validationErrors: validationIssues, // Add validation issues to the log object
-        statusCode,
-      },
-      `Client Error on ${req.method} ${req.path}: ${message}`,
-    );
   }
 
-  // --- TEST ENVIRONMENT DEBUGGING ---
+  // --- Handle Generic Errors ---
-  if (process.env.NODE_ENV === 'test') {
+  // Log the full error object for debugging. The pino logger will handle redaction.
-    console.error('--- [TEST] UNHANDLED ERROR ---', err);
+  log.error({ err }, 'An unhandled error occurred in an Express route');
+
+  // In production, send a generic message to avoid leaking implementation details.
+  if (process.env.NODE_ENV === 'production') {
+    return res.status(500).json({ message: 'An internal server error occurred.' });
   }
 
-  // --- 3. Send Response ---
+  // In non-production environments (dev, test, etc.), send more details for easier debugging.
-  // In production, send a generic message for 5xx errors.
+  return res.status(500).json({ message: err.message, stack: err.stack });
-  // In dev/test, send the actual error message for easier debugging.
+};
-  const responseMessage =
-    statusCode >= 500 && process.env.NODE_ENV === 'production'
-      ? `An unexpected server error occurred. Please reference error ID: ${errorId}`
-      : message;
-
-  res.status(statusCode).json({
-    message: responseMessage,
-    ...(validationIssues && { errors: validationIssues }), // Conditionally add the 'errors' array if it exists
-  });
-};

src/routes/admin.content.routes.test.ts

@@ -13,7 +13,6 @@ import {
 import type { SuggestedCorrection, Brand, UserProfile, UnmatchedFlyerItem } from '../types';
 import { NotFoundError } from '../services/db/errors.db'; // This can stay, it's a type/class not a module with side effects.
 import { createTestApp } from '../tests/utils/createTestApp';
-import { mockLogger } from '../tests/utils/mockLogger';
 
 // Mock the file upload middleware to allow testing the controller's internal check
 vi.mock('../middleware/fileUpload.middleware', () => ({
@@ -96,8 +95,9 @@ vi.mock('@bull-board/express', () => ({
 }));
 
 // Mock the logger
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  logger: mockLogger,
+  // Use async import to avoid hoisting issues with mockLogger
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 // Mock the passport middleware

src/routes/admin.jobs.routes.test.ts

@@ -6,7 +6,6 @@ import { createMockUserProfile } from '../tests/utils/mockFactories';
 import type { Job } from 'bullmq';
 import type { UserProfile } from '../types';
 import { createTestApp } from '../tests/utils/createTestApp';
-import { mockLogger } from '../tests/utils/mockLogger';
 
 // Mock the background job service to control its methods.
 vi.mock('../services/backgroundJobService', () => ({
@@ -66,8 +65,9 @@ import {
 } from '../services/queueService.server';
 
 // Mock the logger
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  logger: mockLogger,
+  // Use async import to avoid hoisting issues with mockLogger
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 // Mock the passport middleware

src/routes/admin.monitoring.routes.test.ts

@@ -5,7 +5,16 @@ import type { Request, Response, NextFunction } from 'express';
 import { createMockUserProfile, createMockActivityLogItem } from '../tests/utils/mockFactories';
 import type { UserProfile } from '../types';
 import { createTestApp } from '../tests/utils/createTestApp';
-import { mockLogger } from '../tests/utils/mockLogger';
+
+const { mockLogger } = vi.hoisted(() => ({
+  mockLogger: {
+    info: vi.fn(),
+    warn: vi.fn(),
+    error: vi.fn(),
+    debug: vi.fn(),
+    child: vi.fn().mockReturnThis(),
+  },
+}));
 
 vi.mock('../lib/queue', () => ({
   serverAdapter: {
@@ -27,19 +36,22 @@ vi.mock('../services/db/index.db', () => ({
   notificationRepo: {},
 }));
 
-// Mock the queue service to control worker statuses
+// Mock the queue service for queue status checks
 vi.mock('../services/queueService.server', () => ({
+  flyerQueue: { name: 'flyer-processing', getJobCounts: vi.fn() },
+  emailQueue: { name: 'email-sending', getJobCounts: vi.fn() },
+  analyticsQueue: { name: 'analytics-reporting', getJobCounts: vi.fn() },
+  cleanupQueue: { name: 'file-cleanup', getJobCounts: vi.fn() },
+  weeklyAnalyticsQueue: { name: 'weekly-analytics-reporting', getJobCounts: vi.fn() },
+}));
+
+// Mock the worker service for worker status checks
+vi.mock('../services/workers.server', () => ({
   flyerWorker: { name: 'flyer-processing', isRunning: vi.fn() },
   emailWorker: { name: 'email-sending', isRunning: vi.fn() },
   analyticsWorker: { name: 'analytics-reporting', isRunning: vi.fn() },
   cleanupWorker: { name: 'file-cleanup', isRunning: vi.fn() },
   weeklyAnalyticsWorker: { name: 'weekly-analytics-reporting', isRunning: vi.fn() },
-  flyerQueue: { name: 'flyer-processing', getJobCounts: vi.fn() },
-  emailQueue: { name: 'email-sending', getJobCounts: vi.fn() },
-  analyticsQueue: { name: 'analytics-reporting', getJobCounts: vi.fn() },
-  cleanupQueue: { name: 'file-cleanup', getJobCounts: vi.fn() },
-  // FIX: Add the missing weeklyAnalyticsQueue to prevent import errors in admin.routes.ts
-  weeklyAnalyticsQueue: { name: 'weekly-analytics-reporting', getJobCounts: vi.fn() },
 }));
 
 // Mock other dependencies that are part of the adminRouter setup but not directly tested here
@@ -67,8 +79,10 @@ import adminRouter from './admin.routes';
 
 // Import the mocked modules to control them
 import * as queueService from '../services/queueService.server';
+import * as workerService from '../services/workers.server';
 import { adminRepo } from '../services/db/index.db';
 const mockedQueueService = queueService as Mocked<typeof queueService>;
+const mockedWorkerService = workerService as Mocked<typeof workerService>;
 
 // Mock the logger
 vi.mock('../services/logger.server', () => ({
@@ -137,11 +151,11 @@ describe('Admin Monitoring Routes (/api/admin)', () => {
   describe('GET /workers/status', () => {
     it('should return the status of all registered workers', async () => {
       // Arrange: Set the mock status for each worker
-      vi.mocked(mockedQueueService.flyerWorker.isRunning).mockReturnValue(true);
+      vi.mocked(mockedWorkerService.flyerWorker.isRunning).mockReturnValue(true);
-      vi.mocked(mockedQueueService.emailWorker.isRunning).mockReturnValue(true);
+      vi.mocked(mockedWorkerService.emailWorker.isRunning).mockReturnValue(true);
-      vi.mocked(mockedQueueService.analyticsWorker.isRunning).mockReturnValue(false); // Simulate one worker being stopped
+      vi.mocked(mockedWorkerService.analyticsWorker.isRunning).mockReturnValue(false); // Simulate one worker being stopped
-      vi.mocked(mockedQueueService.cleanupWorker.isRunning).mockReturnValue(true);
+      vi.mocked(mockedWorkerService.cleanupWorker.isRunning).mockReturnValue(true);
-      vi.mocked(mockedQueueService.weeklyAnalyticsWorker.isRunning).mockReturnValue(true);
+      vi.mocked(mockedWorkerService.weeklyAnalyticsWorker.isRunning).mockReturnValue(true);
 
       // Act
       const response = await supertest(app).get('/api/admin/workers/status');

src/routes/admin.routes.ts

@@ -25,12 +25,14 @@ import {
   analyticsQueue,
   cleanupQueue,
   weeklyAnalyticsQueue,
-  flyerWorker,
+} from '../services/queueService.server'; // Import your queues
-  emailWorker,
+import {
   analyticsWorker,
   cleanupWorker,
+  emailWorker,
+  flyerWorker,
   weeklyAnalyticsWorker,
-} from '../services/queueService.server'; // Import your queues
+} from '../services/workers.server';
 import { getSimpleWeekAndYear } from '../utils/dateUtils';
 import {
   requiredString,
@@ -135,6 +137,7 @@ router.get('/corrections', async (req, res, next: NextFunction) => {
     const corrections = await db.adminRepo.getSuggestedCorrections(req.log);
     res.json(corrections);
   } catch (error) {
+    logger.error({ error }, 'Error fetching suggested corrections');
     next(error);
   }
 });
@@ -144,6 +147,7 @@ router.get('/brands', async (req, res, next: NextFunction) => {
     const brands = await db.flyerRepo.getAllBrands(req.log);
     res.json(brands);
   } catch (error) {
+    logger.error({ error }, 'Error fetching brands');
     next(error);
   }
 });
@@ -153,6 +157,7 @@ router.get('/stats', async (req, res, next: NextFunction) => {
     const stats = await db.adminRepo.getApplicationStats(req.log);
     res.json(stats);
   } catch (error) {
+    logger.error({ error }, 'Error fetching application stats');
     next(error);
   }
 });
@@ -162,6 +167,7 @@ router.get('/stats/daily', async (req, res, next: NextFunction) => {
     const dailyStats = await db.adminRepo.getDailyStatsForLast30Days(req.log);
     res.json(dailyStats);
   } catch (error) {
+    logger.error({ error }, 'Error fetching daily stats');
     next(error);
   }
 });
@@ -176,6 +182,7 @@ router.post(
       await db.adminRepo.approveCorrection(params.id, req.log); // params.id is now safely typed as number
       res.status(200).json({ message: 'Correction approved successfully.' });
     } catch (error) {
+      logger.error({ error }, 'Error approving correction');
       next(error);
     }
   },
@@ -191,6 +198,7 @@ router.post(
       await db.adminRepo.rejectCorrection(params.id, req.log); // params.id is now safely typed as number
       res.status(200).json({ message: 'Correction rejected successfully.' });
     } catch (error) {
+      logger.error({ error }, 'Error rejecting correction');
       next(error);
     }
   },
@@ -210,6 +218,7 @@ router.put(
       );
       res.status(200).json(updatedCorrection);
     } catch (error) {
+      logger.error({ error }, 'Error updating suggested correction');
       next(error);
     }
   },
@@ -225,6 +234,7 @@ router.put(
       const updatedRecipe = await db.adminRepo.updateRecipeStatus(params.id, body.status, req.log); // This is still a standalone function in admin.db.ts
       res.status(200).json(updatedRecipe);
     } catch (error) {
+      logger.error({ error }, 'Error updating recipe status');
       next(error); // Pass all errors to the central error handler
     }
   },
@@ -250,6 +260,7 @@ router.post(
       logger.info({ brandId: params.id, logoUrl }, `Brand logo updated for brand ID: ${params.id}`);
       res.status(200).json({ message: 'Brand logo updated successfully.', logoUrl });
     } catch (error) {
+      logger.error({ error }, 'Error updating brand logo');
       next(error);
     }
   },
@@ -260,6 +271,7 @@ router.get('/unmatched-items', async (req, res, next: NextFunction) => {
     const items = await db.adminRepo.getUnmatchedFlyerItems(req.log);
     res.json(items);
   } catch (error) {
+    logger.error({ error }, 'Error fetching unmatched items');
     next(error);
   }
 });
@@ -279,6 +291,7 @@ router.delete(
       await db.recipeRepo.deleteRecipe(params.recipeId, userProfile.user.user_id, true, req.log);
       res.status(204).send();
     } catch (error: unknown) {
+      logger.error({ error }, 'Error deleting recipe');
       next(error);
     }
   },
@@ -297,6 +310,7 @@ router.delete(
       await db.flyerRepo.deleteFlyer(params.flyerId, req.log);
       res.status(204).send();
     } catch (error: unknown) {
+      logger.error({ error }, 'Error deleting flyer');
       next(error);
     }
   },
@@ -316,6 +330,7 @@ router.put(
       ); // This is still a standalone function in admin.db.ts
       res.status(200).json(updatedComment);
     } catch (error: unknown) {
+      logger.error({ error }, 'Error updating comment status');
       next(error);
     }
   },
@@ -326,6 +341,7 @@ router.get('/users', async (req, res, next: NextFunction) => {
     const users = await db.adminRepo.getAllUsers(req.log);
     res.json(users);
   } catch (error) {
+    logger.error({ error }, 'Error fetching users');
     next(error);
   }
 });
@@ -345,6 +361,7 @@ router.get(
       const logs = await db.adminRepo.getActivityLog(limit, offset, req.log);
       res.json(logs);
     } catch (error) {
+      logger.error({ error }, 'Error fetching activity log');
       next(error);
     }
   },
@@ -360,6 +377,7 @@ router.get(
       const user = await db.userRepo.findUserProfileById(params.id, req.log);
       res.json(user);
     } catch (error) {
+      logger.error({ error }, 'Error fetching user profile');
       next(error);
     }
   },
@@ -395,6 +413,7 @@ router.delete(
       await db.userRepo.deleteUserById(params.id, req.log);
       res.status(204).send();
     } catch (error) {
+      logger.error({ error }, 'Error deleting user');
       next(error);
     }
   },
@@ -478,6 +497,7 @@ router.post(
         .status(202)
         .json({ message: `File cleanup job for flyer ID ${params.flyerId} has been enqueued.` });
     } catch (error) {
+      logger.error({ error }, 'Error enqueuing cleanup job');
       next(error);
     }
   },
@@ -500,6 +520,7 @@ router.post('/trigger/failing-job', async (req: Request, res: Response, next: Ne
       .status(202)
       .json({ message: `Failing test job has been enqueued successfully. Job ID: ${job.id}` });
   } catch (error) {
+    logger.error({ error }, 'Error enqueuing failing job');
     next(error);
   }
 });
@@ -572,6 +593,7 @@ router.get('/queues/status', async (req: Request, res: Response, next: NextFunct
     );
     res.json(queueStatuses);
   } catch (error) {
+    logger.error({ error }, 'Error fetching queue statuses');
     next(error);
   }
 });
@@ -620,6 +642,7 @@ router.post(
       );
       res.status(200).json({ message: `Job ${jobId} has been successfully marked for retry.` });
     } catch (error) {
+      logger.error({ error }, 'Error retrying job');
       next(error);
     }
   },
@@ -651,6 +674,7 @@ router.post(
         .status(202)
         .json({ message: 'Successfully enqueued weekly analytics job.', jobId: job.id });
     } catch (error) {
+      logger.error({ error }, 'Error enqueuing weekly analytics job');
       next(error);
     }
   },

src/routes/admin.stats.routes.test.ts

@@ -5,7 +5,6 @@ import type { Request, Response, NextFunction } from 'express';
 import { createMockUserProfile } from '../tests/utils/mockFactories';
 import type { UserProfile } from '../types';
 import { createTestApp } from '../tests/utils/createTestApp';
-import { mockLogger } from '../tests/utils/mockLogger';
 
 vi.mock('../services/db/index.db', () => ({
   adminRepo: {
@@ -45,8 +44,9 @@ import adminRouter from './admin.routes';
 import { adminRepo } from '../services/db/index.db';
 
 // Mock the logger
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  logger: mockLogger,
+  // Use async import to avoid hoisting issues with mockLogger
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 // Mock the passport middleware

src/routes/admin.system.routes.test.ts

@@ -4,7 +4,6 @@ import supertest from 'supertest';
 import type { Request, Response, NextFunction } from 'express';
 import { createMockUserProfile } from '../tests/utils/mockFactories';
 import { createTestApp } from '../tests/utils/createTestApp';
-import { mockLogger } from '../tests/utils/mockLogger';
 
 // Mock dependencies
 vi.mock('../services/geocodingService.server', () => ({
@@ -50,8 +49,9 @@ import adminRouter from './admin.routes';
 import { geocodingService } from '../services/geocodingService.server';
 
 // Mock the logger
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  logger: mockLogger,
+  // Use async import to avoid hoisting issues with mockLogger
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 // Mock the passport middleware

src/routes/admin.users.routes.test.ts

@@ -6,7 +6,6 @@ import { createMockUserProfile, createMockAdminUserView } from '../tests/utils/m
 import type { UserProfile, Profile } from '../types';
 import { NotFoundError } from '../services/db/errors.db';
 import { createTestApp } from '../tests/utils/createTestApp';
-import { mockLogger } from '../tests/utils/mockLogger';
 
 vi.mock('../services/db/index.db', () => ({
   adminRepo: {
@@ -44,8 +43,9 @@ vi.mock('@bull-board/express', () => ({
 }));
 
 // Mock the logger
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  logger: mockLogger,
+  // Use async import to avoid hoisting issues with mockLogger
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 // Import the router AFTER all mocks are defined.

src/routes/ai.routes.test.ts

@@ -55,8 +55,9 @@ import aiRouter from './ai.routes';
 import { flyerQueue } from '../services/queueService.server';
 
 // Mock the logger to keep test output clean
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  logger: mockLogger,
+  // Use async import to avoid hoisting issues with mockLogger
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 // Mock the passport module to control authentication for different tests.
@@ -535,6 +536,27 @@ describe('AI Routes (/api/ai)', () => {
       const flyerDataArg = vi.mocked(mockedDb.createFlyerAndItems).mock.calls[0][0];
       expect(flyerDataArg.store_name).toBe('Root Store');
     });
+
+    it('should default item quantity to 1 if missing', async () => {
+      const payloadMissingQuantity = {
+        checksum: 'qty-checksum',
+        originalFileName: 'flyer-qty.jpg',
+        extractedData: {
+          store_name: 'Qty Store',
+          items: [{ name: 'Item without qty', price: 100 }],
+        },
+      };
+
+      const response = await supertest(app)
+        .post('/api/ai/flyers/process')
+        .field('data', JSON.stringify(payloadMissingQuantity))
+        .attach('flyerImage', imagePath);
+
+      expect(response.status).toBe(201);
+      expect(mockedDb.createFlyerAndItems).toHaveBeenCalledTimes(1);
+      const itemsArg = vi.mocked(mockedDb.createFlyerAndItems).mock.calls[0][1];
+      expect(itemsArg[0].quantity).toBe(1);
+    });
   });
 
   describe('POST /check-flyer', () => {

src/routes/ai.routes.ts

@@ -424,6 +424,7 @@ router.post(
       const itemsForDb = itemsArray.map((item: Partial<ExtractedFlyerItem>) => ({
         ...item,
         master_item_id: item.master_item_id === null ? undefined : item.master_item_id,
+        quantity: item.quantity ?? 1, // Default to 1 to satisfy DB constraint
         view_count: 0,
         click_count: 0,
         updated_at: new Date().toISOString(),

src/routes/auth.routes.test.ts

@@ -9,7 +9,6 @@ import {
   createMockUserProfile,
   createMockUserWithPasswordHash,
 } from '../tests/utils/mockFactories';
-import { mockLogger } from '../tests/utils/mockLogger';
 
 // --- FIX: Hoist passport mocks to be available for vi.mock ---
 const passportMocks = vi.hoisted(() => {
@@ -111,8 +110,9 @@ vi.mock('../services/db/connection.db', () => ({
 }));
 
 // Mock the logger
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  logger: mockLogger,
+  // Use async import to avoid hoisting issues with mockLogger
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 // Mock the email service
@@ -144,6 +144,8 @@ import { UniqueConstraintError } from '../services/db/errors.db'; // Import actu
 import express from 'express';
 import { errorHandler } from '../middleware/errorHandler'; // Assuming this exists
 
+const { mockLogger } = await import('../tests/utils/mockLogger');
+
 const app = express();
 app.use(express.json());
 app.use(cookieParser()); // Mount BEFORE router

src/routes/auth.routes.ts

@@ -134,8 +134,8 @@ router.post(
         // If the email is a duplicate, return a 409 Conflict status.
         return res.status(409).json({ message: error.message });
       }
-      // The createUser method now handles its own transaction logging, so we just log the route failure.
       logger.error({ error }, `User registration route failed for email: ${email}.`);
+      // Pass the error to the centralized handler
       return next(error);
     }
   },

src/routes/budget.routes.test.ts

@@ -7,7 +7,6 @@ import {
   createMockBudget,
   createMockSpendingByCategory,
 } from '../tests/utils/mockFactories';
-import { mockLogger } from '../tests/utils/mockLogger';
 import { createTestApp } from '../tests/utils/createTestApp';
 import { ForeignKeyConstraintError, NotFoundError } from '../services/db/errors.db';
 // 1. Mock the Service Layer directly.
@@ -26,8 +25,9 @@ vi.mock('../services/db/index.db', () => ({
 }));
 
 // Mock the logger to keep test output clean
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  logger: mockLogger,
+  // Use async import to avoid hoisting issues with mockLogger
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 // Import the router and mocked DB AFTER all mocks are defined.

src/routes/deals.routes.test.ts

@@ -4,7 +4,6 @@ import supertest from 'supertest';
 import type { Request, Response, NextFunction } from 'express';
 import { createMockUserProfile, createMockWatchedItemDeal } from '../tests/utils/mockFactories';
 import type { WatchedItemDeal } from '../types';
-import { mockLogger } from '../tests/utils/mockLogger';
 import { createTestApp } from '../tests/utils/createTestApp';
 
 // 1. Mock the Service Layer directly.
@@ -17,10 +16,12 @@ vi.mock('../services/db/deals.db', () => ({
 // Import the router and mocked repo AFTER all mocks are defined.
 import dealsRouter from './deals.routes';
 import { dealsRepo } from '../services/db/deals.db';
+import { mockLogger } from '../tests/utils/mockLogger';
 
 // Mock the logger to keep test output clean
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  logger: mockLogger,
+  // Use async import to avoid hoisting issues with mockLogger
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 // Mock the passport middleware

src/routes/flyer.routes.test.ts

@@ -23,8 +23,9 @@ import * as db from '../services/db/index.db';
 import { mockLogger } from '../tests/utils/mockLogger';
 
 // Mock the logger to keep test output clean
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  logger: mockLogger,
+  // Use async import to avoid hoisting issues with mockLogger
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 // Define a reusable matcher for the logger object.

src/routes/flyer.routes.ts

@@ -108,6 +108,7 @@ router.post(
       const items = await db.flyerRepo.getFlyerItemsForFlyers(body.flyerIds, req.log);
       res.json(items);
     } catch (error) {
+      req.log.error({ error }, 'Error fetching batch flyer items');
       next(error);
     }
   },
@@ -127,6 +128,7 @@ router.post(
       const count = await db.flyerRepo.countFlyerItemsForFlyers(body.flyerIds ?? [], req.log);
       res.json({ count });
     } catch (error) {
+      req.log.error({ error }, 'Error counting batch flyer items');
       next(error);
     }
   },

src/routes/gamification.routes.test.ts

@@ -27,8 +27,9 @@ import gamificationRouter from './gamification.routes';
 import * as db from '../services/db/index.db';
 
 // Mock the logger to keep test output clean
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  logger: mockLogger,
+  // Use async import to avoid hoisting issues with mockLogger
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 // Use vi.hoisted to create mutable mock function references.

src/routes/health.routes.test.ts

@@ -32,8 +32,9 @@ import healthRouter from './health.routes';
 import * as dbConnection from '../services/db/connection.db';
 
 // Mock the logger to keep test output clean.
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  logger: mockLogger,
+  // Use async import to avoid hoisting issues with mockLogger
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 // Cast the mocked import to a Mocked type for type-safe access to mock functions.

src/routes/health.routes.ts

@@ -39,10 +39,7 @@ router.get('/db-schema', validateRequest(emptySchema), async (req, res, next: Ne
     }
     return res.status(200).json({ success: true, message: 'All required database tables exist.' });
   } catch (error: unknown) {
-    logger.error(
+    logger.error({ error }, 'Error during DB schema check:');
-      { error: error instanceof Error ? error.message : error },
-      'Error during DB schema check:',
-    );
     next(error);
   }
 });
@@ -133,6 +130,7 @@ router.get(
       }
       throw new Error(`Unexpected Redis ping response: ${reply}`); // This will be caught below
     } catch (error: unknown) {
+      logger.error({ error }, 'Error checking Redis health');
       next(error);
     }
   },

src/routes/passport.routes.test.ts

@@ -56,7 +56,6 @@ import {
   createMockUserProfile,
   createMockUserWithPasswordHash,
 } from '../tests/utils/mockFactories';
-import { mockLogger } from '../tests/utils/mockLogger';
 
 // Mock dependencies before importing the passport configuration
 vi.mock('../services/db/index.db', () => ({
@@ -74,9 +73,10 @@ vi.mock('../services/db/index.db', () => ({
 
 const mockedDb = db as Mocked<typeof db>;
 
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  // This mock is used by the module under test and can be imported in the test file.
+  // Use async import to avoid hoisting issues with mockLogger
-  logger: mockLogger,
+  // Note: We need to await the import inside the factory
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 // Mock bcrypt for password comparisons

src/routes/personalization.routes.test.ts

@@ -6,7 +6,6 @@ import {
   createMockDietaryRestriction,
   createMockAppliance,
 } from '../tests/utils/mockFactories';
-import { mockLogger } from '../tests/utils/mockLogger';
 import { createTestApp } from '../tests/utils/createTestApp';
 
 // 1. Mock the Service Layer directly.
@@ -21,10 +20,12 @@ vi.mock('../services/db/index.db', () => ({
 // Import the router and mocked DB AFTER all mocks are defined.
 import personalizationRouter from './personalization.routes';
 import * as db from '../services/db/index.db';
+import { mockLogger } from '../tests/utils/mockLogger';
 
 // Mock the logger to keep test output clean
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  logger: mockLogger,
+  // Use async import to avoid hoisting issues with mockLogger
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 describe('Personalization Routes (/api/personalization)', () => {

src/routes/price.routes.test.ts

@@ -12,8 +12,9 @@ vi.mock('../services/db/price.db', () => ({
 }));
 
 // Mock the logger to keep test output clean
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  logger: mockLogger,
+  // Use async import to avoid hoisting issues with mockLogger
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 // Import the router AFTER other setup.
@@ -126,7 +127,7 @@ describe('Price Routes (/api/price-history)', () => {
       expect(response.body.errors).toHaveLength(2);
       // The actual message is "Too small: expected number to be >0"
       expect(response.body.errors[0].message).toBe('Too small: expected number to be >0');
-      expect(response.body.errors[1].message).toBe('Expected number, received string');
+      expect(response.body.errors[1].message).toBe('Invalid input: expected number, received NaN');
     });
   });
 });

src/routes/recipe.routes.test.ts

@@ -1,7 +1,6 @@
 // src/routes/recipe.routes.test.ts
 import { describe, it, expect, vi, beforeEach } from 'vitest';
 import supertest from 'supertest';
-import { mockLogger } from '../tests/utils/mockLogger';
 import { createMockRecipe, createMockRecipeComment } from '../tests/utils/mockFactories';
 import { NotFoundError } from '../services/db/errors.db';
 import { createTestApp } from '../tests/utils/createTestApp';
@@ -20,10 +19,12 @@ vi.mock('../services/db/index.db', () => ({
 // Import the router and mocked DB AFTER all mocks are defined.
 import recipeRouter from './recipe.routes';
 import * as db from '../services/db/index.db';
+import { mockLogger } from '../tests/utils/mockLogger';
 
 // Mock the logger to keep test output clean
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  logger: mockLogger,
+  // Use async import to avoid hoisting issues with mockLogger
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 // Import the mocked db module to control its functions in tests

src/routes/stats.routes.test.ts

@@ -1,7 +1,6 @@
 // src/routes/stats.routes.test.ts
 import { describe, it, expect, vi, beforeEach } from 'vitest';
 import supertest from 'supertest';
-import { mockLogger } from '../tests/utils/mockLogger';
 import { createTestApp } from '../tests/utils/createTestApp';
 
 // 1. Mock the Service Layer directly.
@@ -14,10 +13,12 @@ vi.mock('../services/db/index.db', () => ({
 // Import the router and mocked DB AFTER all mocks are defined.
 import statsRouter from './stats.routes';
 import * as db from '../services/db/index.db';
+import { mockLogger } from '../tests/utils/mockLogger';
 
 // Mock the logger to keep test output clean
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  logger: mockLogger,
+  // Use async import to avoid hoisting issues with mockLogger
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 const expectLogger = expect.objectContaining({

src/routes/system.routes.ts

@@ -46,7 +46,6 @@ router.get(
       }
 
       // Check if there was output to stderr, even if the exit code was 0 (success).
-      // This handles warnings or non-fatal errors that should arguably be treated as failures in this context.
       if (stderr && stderr.trim().length > 0) {
         logger.error({ stderr }, '[API /pm2-status] PM2 executed but produced stderr:');
         return next(new Error(`PM2 command produced an error: ${stderr}`));
@@ -86,6 +85,7 @@ router.post(
 
       res.json(coordinates);
     } catch (error) {
+      logger.error({ error }, 'Error geocoding address');
       next(error);
     }
   },

src/routes/user.routes.test.ts

@@ -86,8 +86,9 @@ vi.mock('bcrypt', () => {
 });
 
 // Mock the logger
-vi.mock('../services/logger.server', () => ({
+vi.mock('../services/logger.server', async () => ({
-  logger: mockLogger,
+  // Use async import to avoid hoisting issues with mockLogger
+  logger: (await import('../tests/utils/mockLogger')).mockLogger,
 }));
 
 // Import the router and other modules AFTER mocks are established

src/routes/user.routes.ts

@@ -77,7 +77,7 @@ router.use(passport.authenticate('jwt', { session: false }));
 // Ensure the directory for avatar uploads exists.
 const avatarUploadDir = path.join(process.cwd(), 'public', 'uploads', 'avatars');
 fs.mkdir(avatarUploadDir, { recursive: true }).catch((err) => {
-  logger.error('Failed to create avatar upload directory:', err);
+  logger.error({ err }, 'Failed to create avatar upload directory');
 });
 
 // Define multer storage configuration. The `req.user` object will be available
@@ -122,6 +122,7 @@ router.post(
       );
       res.json(updatedProfile);
     } catch (error) {
+      logger.error({ error }, 'Error uploading avatar');
       next(error);
     }
   },
@@ -151,6 +152,7 @@ router.get(
       );
       res.json(notifications);
     } catch (error) {
+      logger.error({ error }, 'Error fetching notifications');
       next(error);
     }
   },
@@ -168,6 +170,7 @@ router.post(
       await db.notificationRepo.markAllNotificationsAsRead(userProfile.user.user_id, req.log);
       res.status(204).send(); // No Content
     } catch (error) {
+      logger.error({ error }, 'Error marking all notifications as read');
       next(error);
     }
   },
@@ -193,6 +196,7 @@ router.post(
       );
       res.status(204).send(); // Success, no content to return
     } catch (error) {
+      logger.error({ error }, 'Error marking notification as read');
       next(error);
     }
   },
@@ -345,11 +349,7 @@ router.post(
       if (error instanceof ForeignKeyConstraintError) {
         return res.status(400).json({ message: error.message });
       }
-      const errorMessage = error instanceof Error ? error.message : 'An unknown error occurred';
+      logger.error({ error, body: req.body }, 'Failed to add watched item');
-      logger.error({
-        errorMessage,
-        body: req.body,
-      });
       next(error);
     }
   },
@@ -453,11 +453,7 @@ router.post(
       if (error instanceof ForeignKeyConstraintError) {
         return res.status(400).json({ message: error.message });
       }
-      const errorMessage = error instanceof Error ? error.message : 'An unknown error occurred';
+      logger.error({ error, body: req.body }, 'Failed to create shopping list');
-      logger.error({
-        errorMessage,
-        body: req.body,
-      });
       next(error);
     }
   },
@@ -516,12 +512,7 @@ router.post(
       if (error instanceof ForeignKeyConstraintError) {
         return res.status(400).json({ message: error.message });
       }
-      const errorMessage = error instanceof Error ? error.message : 'An unknown error occurred';
+      logger.error({ error, params: req.params, body: req.body }, 'Failed to add shopping list item');
-      logger.error({
-        errorMessage,
-        params: req.params,
-        body: req.body,
-      });
       next(error);
     }
   },
@@ -661,11 +652,7 @@ router.put(
       if (error instanceof ForeignKeyConstraintError) {
         return res.status(400).json({ message: error.message });
       }
-      const errorMessage = error instanceof Error ? error.message : 'An unknown error occurred';
+      logger.error({ error, body: req.body }, 'Failed to set user dietary restrictions');
-      logger.error({
-        errorMessage,
-        body: req.body,
-      });
       next(error);
     }
   },
@@ -709,11 +696,7 @@ router.put(
       if (error instanceof ForeignKeyConstraintError) {
         return res.status(400).json({ message: error.message });
       }
-      const errorMessage = error instanceof Error ? error.message : 'An unknown error occurred';
+      logger.error({ error, body: req.body }, 'Failed to set user appliances');
-      logger.error({
-        errorMessage,
-        body: req.body,
-      });
       next(error);
     }
   },
@@ -743,6 +726,7 @@ router.get(
       const address = await db.addressRepo.getAddressById(addressId, req.log); // This will throw NotFoundError if not found
       res.json(address);
     } catch (error) {
+      logger.error({ error }, 'Error fetching user address');
       next(error);
     }
   },
@@ -781,6 +765,7 @@ router.put(
       const addressId = await userService.upsertUserAddress(userProfile, addressData, req.log); // This was a duplicate, fixed.
       res.status(200).json({ message: 'Address updated successfully', address_id: addressId });
     } catch (error) {
+      logger.error({ error }, 'Error updating user address');
       next(error);
     }
   },

src/services/aiAnalysisService.ts

@@ -51,9 +51,7 @@ export class AiAnalysisService {
     // Normalize sources to a consistent format.
     const mappedSources = (response.sources || []).map(
       (s: RawSource) =>
-        (s.web
+        (s.web ? { uri: s.web.uri || '', title: s.web.title || 'Untitled' } : { uri: '', title: 'Untitled' }) as Source,
-          ? { uri: s.web.uri || '', title: s.web.title || 'Untitled' }
-          : { uri: '', title: 'Untitled' }) as Source,
     );
     return { ...response, sources: mappedSources };
   }
@@ -84,9 +82,7 @@ export class AiAnalysisService {
     // Normalize sources to a consistent format.
     const mappedSources = (response.sources || []).map(
       (s: RawSource) =>
-        (s.web
+        (s.web ? { uri: s.web.uri || '', title: s.web.title || 'Untitled' } : { uri: '', title: 'Untitled' }) as Source,
-          ? { uri: s.web.uri || '', title: s.web.title || 'Untitled' }
-          : { uri: '', title: 'Untitled' }) as Source,
     );
     return { ...response, sources: mappedSources };
   }

src/services/aiApiClient.ts

@@ -4,7 +4,13 @@
  * It communicates with the application's own backend endpoints, which then securely
  * call the Google AI services. This ensures no API keys are exposed on the client.
  */
-import type { FlyerItem, Store, MasterGroceryItem } from '../types';
+import type {
+  FlyerItem,
+  Store,
+  MasterGroceryItem,
+  ProcessingStage,
+  GroundedResponse,
+} from '../types';
 import { logger } from './logger.client';
 import { apiFetch } from './apiClient';
 
@@ -20,14 +26,14 @@ export const uploadAndProcessFlyer = async (
   file: File,
   checksum: string,
   tokenOverride?: string,
-): Promise<Response> => {
+): Promise<{ jobId: string }> => {
   const formData = new FormData();
   formData.append('flyerFile', file);
   formData.append('checksum', checksum);
 
   logger.info(`[aiApiClient] Starting background processing for file: ${file.name}`);
 
-  return apiFetch(
+  const response = await apiFetch(
     '/ai/upload-and-process',
     {
       method: 'POST',
@@ -35,20 +41,73 @@ export const uploadAndProcessFlyer = async (
     },
     { tokenOverride },
   );
+
+  if (!response.ok) {
+    let errorBody;
+    try {
+      errorBody = await response.json();
+    } catch (e) {
+      errorBody = { message: await response.text() };
+    }
+    // Throw a structured error so the component can inspect the status and body
+    throw { status: response.status, body: errorBody };
+  }
+
+  return response.json();
 };
 
+// Define the expected shape of the job status response
+export interface JobStatus {
+  id: string;
+  state: 'completed' | 'failed' | 'active' | 'waiting' | 'delayed' | 'paused';
+  progress: {
+    stages?: ProcessingStage[];
+    estimatedTimeRemaining?: number;
+    message?: string;
+  } | null;
+  returnValue: {
+    flyerId?: number;
+  } | null;
+  failedReason: string | null;
+}
+
 /**
  * Fetches the status of a background processing job.
  * This is the second step in the new background processing flow.
  * @param jobId The ID of the job to check.
  * @param tokenOverride Optional token for testing.
- * @returns A promise that resolves to the API response with the job's status.
+ * @returns A promise that resolves to the parsed job status object.
+ * @throws An error if the network request fails or if the response is not valid JSON.
  */
-export const getJobStatus = async (jobId: string, tokenOverride?: string): Promise<Response> => {
+export const getJobStatus = async (
-  return apiFetch(`/ai/jobs/${jobId}/status`, {}, { tokenOverride });
+  jobId: string,
+  tokenOverride?: string,
+): Promise<JobStatus> => {
+  const response = await apiFetch(`/ai/jobs/${jobId}/status`, {}, { tokenOverride });
+
+  if (!response.ok) {
+    let errorText = `API Error: ${response.status} ${response.statusText}`;
+    try {
+      const errorBody = await response.text();
+      if (errorBody) errorText = `API Error ${response.status}: ${errorBody}`;
+    } catch (e) {
+      // ignore if reading body fails
+    }
+    throw new Error(errorText);
+  }
+
+  try {
+    return await response.json();
+  } catch (error) {
+    const rawText = await response.text();
+    throw new Error(`Failed to parse JSON response from server. Body: ${rawText}`);
+  }
 };
 
-export const isImageAFlyer = async (imageFile: File, tokenOverride?: string): Promise<Response> => {
+export const isImageAFlyer = (
+  imageFile: File,
+  tokenOverride?: string,
+): Promise<Response> => {
   const formData = new FormData();
   formData.append('image', imageFile);
 
@@ -64,7 +123,7 @@ export const isImageAFlyer = async (imageFile: File, tokenOverride?: string): Pr
   );
 };
 
-export const extractAddressFromImage = async (
+export const extractAddressFromImage = (
   imageFile: File,
   tokenOverride?: string,
 ): Promise<Response> => {
@@ -81,7 +140,7 @@ export const extractAddressFromImage = async (
   );
 };
 
-export const extractLogoFromImage = async (
+export const extractLogoFromImage = (
   imageFiles: File[],
   tokenOverride?: string,
 ): Promise<Response> => {
@@ -100,7 +159,7 @@ export const extractLogoFromImage = async (
   );
 };
 
-export const getQuickInsights = async (
+export const getQuickInsights = (
   items: Partial<FlyerItem>[],
   signal?: AbortSignal,
   tokenOverride?: string,
@@ -117,7 +176,7 @@ export const getQuickInsights = async (
   );
 };
 
-export const getDeepDiveAnalysis = async (
+export const getDeepDiveAnalysis = (
   items: Partial<FlyerItem>[],
   signal?: AbortSignal,
   tokenOverride?: string,
@@ -134,7 +193,7 @@ export const getDeepDiveAnalysis = async (
   );
 };
 
-export const searchWeb = async (
+export const searchWeb = (
   query: string,
   signal?: AbortSignal,
   tokenOverride?: string,
@@ -179,7 +238,7 @@ export const planTripWithMaps = async (
  * @param prompt A description of the image to generate (e.g., a meal plan).
  * @returns A base64-encoded string of the generated PNG image.
  */
-export const generateImageFromText = async (
+export const generateImageFromText = (
   prompt: string,
   signal?: AbortSignal,
   tokenOverride?: string,
@@ -202,7 +261,7 @@ export const generateImageFromText = async (
  * @param text The text to be spoken.
  * @returns A base64-encoded string of the raw audio data.
  */
-export const generateSpeechFromText = async (
+export const generateSpeechFromText = (
   text: string,
   signal?: AbortSignal,
   tokenOverride?: string,
@@ -259,7 +318,7 @@ export const startVoiceSession = (callbacks: {
  * @param tokenOverride Optional token for testing.
  * @returns A promise that resolves to the API response containing the extracted text.
  */
-export const rescanImageArea = async (
+export const rescanImageArea = (
   imageFile: File,
   cropArea: { x: number; y: number; width: number; height: number },
   extractionType: 'store_name' | 'dates' | 'item_details',
@@ -270,7 +329,11 @@ export const rescanImageArea = async (
   formData.append('cropArea', JSON.stringify(cropArea));
   formData.append('extractionType', extractionType);
 
-  return apiFetch('/ai/rescan-area', { method: 'POST', body: formData }, { tokenOverride });
+  return apiFetch(
+    '/ai/rescan-area',
+    { method: 'POST', body: formData },
+    { tokenOverride },
+  );
 };
 
 /**
@@ -278,7 +341,7 @@ export const rescanImageArea = async (
  * @param watchedItems An array of the user's watched master grocery items.
  * @returns A promise that resolves to the raw `Response` object from the API.
  */
-export const compareWatchedItemPrices = async (
+export const compareWatchedItemPrices = (
   watchedItems: MasterGroceryItem[],
   signal?: AbortSignal,
 ): Promise<Response> => {
@@ -292,5 +355,4 @@ export const compareWatchedItemPrices = async (
       body: JSON.stringify({ items: watchedItems }),
     },
     { signal },
-  );
+  )};
-};

src/services/aiService.server.test.ts

@@ -166,6 +166,127 @@ describe('AI Service (Server)', () => {
     });
   });
 
+  describe('Model Fallback Logic', () => {
+    const originalEnv = process.env;
+
+    beforeEach(() => {
+      vi.unstubAllEnvs();
+      process.env = { ...originalEnv, GEMINI_API_KEY: 'test-key' };
+      vi.resetModules(); // Re-import to use the new env var and re-instantiate the service
+    });
+
+    afterEach(() => {
+      process.env = originalEnv;
+      vi.unstubAllEnvs();
+    });
+
+    it('should try the next model if the first one fails with a quota error', async () => {
+      // Arrange
+      const { AIService } = await import('./aiService.server');
+      const { logger } = await import('./logger.server');
+      const serviceWithFallback = new AIService(logger);
+
+      const quotaError = new Error('User rate limit exceeded due to quota');
+      const successResponse = { text: 'Success from fallback model', candidates: [] };
+
+      // Mock the generateContent function to fail on the first call and succeed on the second
+      mockGenerateContent.mockRejectedValueOnce(quotaError).mockResolvedValueOnce(successResponse);
+
+      const request = { contents: [{ parts: [{ text: 'test prompt' }] }] };
+
+      // Act
+      const result = await (serviceWithFallback as any).aiClient.generateContent(request);
+
+      // Assert
+      expect(result).toEqual(successResponse);
+      expect(mockGenerateContent).toHaveBeenCalledTimes(2);
+
+      // Check first call
+      expect(mockGenerateContent).toHaveBeenNthCalledWith(1, {
+        model: 'gemini-2.5-flash',
+        ...request,
+      });
+
+      // Check second call
+      expect(mockGenerateContent).toHaveBeenNthCalledWith(2, {
+        model: 'gemini-3-flash',
+        ...request,
+      });
+
+      // Check that a warning was logged
+      expect(logger.warn).toHaveBeenCalledWith(
+        expect.stringContaining(
+          "Model 'gemini-2.5-flash' failed due to quota/rate limit. Trying next model.",
+        ),
+      );
+    });
+
+    it('should throw immediately for non-retriable errors', async () => {
+      // Arrange
+      const { AIService } = await import('./aiService.server');
+      const { logger } = await import('./logger.server');
+      const serviceWithFallback = new AIService(logger);
+
+      const nonRetriableError = new Error('Invalid API Key');
+      mockGenerateContent.mockRejectedValueOnce(nonRetriableError);
+
+      const request = { contents: [{ parts: [{ text: 'test prompt' }] }] };
+
+      // Act & Assert
+      await expect((serviceWithFallback as any).aiClient.generateContent(request)).rejects.toThrow(
+        'Invalid API Key',
+      );
+
+      expect(mockGenerateContent).toHaveBeenCalledTimes(1);
+      expect(logger.error).toHaveBeenCalledWith(
+        { error: nonRetriableError },
+        `[AIService Adapter] Model 'gemini-2.5-flash' failed with a non-retriable error.`,
+      );
+    });
+
+    it('should throw the last error if all models fail', async () => {
+      // Arrange
+      const { AIService } = await import('./aiService.server');
+      const { logger } = await import('./logger.server');
+      const serviceWithFallback = new AIService(logger);
+
+      const quotaError1 = new Error('Quota exhausted for model 1');
+      const quotaError2 = new Error('429 Too Many Requests for model 2');
+      const quotaError3 = new Error('RESOURCE_EXHAUSTED for model 3');
+
+      mockGenerateContent
+        .mockRejectedValueOnce(quotaError1)
+        .mockRejectedValueOnce(quotaError2)
+        .mockRejectedValueOnce(quotaError3);
+
+      const request = { contents: [{ parts: [{ text: 'test prompt' }] }] };
+
+      // Act & Assert
+      await expect((serviceWithFallback as any).aiClient.generateContent(request)).rejects.toThrow(
+        quotaError3,
+      );
+
+      expect(mockGenerateContent).toHaveBeenCalledTimes(3);
+      expect(mockGenerateContent).toHaveBeenNthCalledWith(1, {
+        model: 'gemini-2.5-flash',
+        ...request,
+      });
+      expect(mockGenerateContent).toHaveBeenNthCalledWith(2, {
+        model: 'gemini-3-flash',
+        ...request,
+      });
+      expect(mockGenerateContent).toHaveBeenNthCalledWith(3, {
+        model: 'gemini-2.5-flash-lite',
+        ...request,
+      });
+
+      expect(logger.error).toHaveBeenCalledWith(
+        { lastError: quotaError3 },
+        '[AIService Adapter] All AI models failed. Throwing last known error.',
+      );
+    });
+  });
+
   describe('extractItemsFromReceiptImage', () => {
     it('should extract items from a valid AI response', async () => {
       const mockAiResponseText = `[

src/services/aiService.server.ts

@@ -72,6 +72,7 @@ export class AIService {
   private fs: IFileSystem;
   private rateLimiter: <T>(fn: () => Promise<T>) => Promise<T>;
   private logger: Logger;
+  private readonly models = ['gemini-2.5-flash', 'gemini-3-flash', 'gemini-2.5-flash-lite'];
 
   constructor(logger: Logger, aiClient?: IAiClient, fs?: IFileSystem) {
     this.logger = logger;
@@ -121,17 +122,11 @@ export class AIService {
         );
       }
 
-      // do not change "gemini-2.5-flash" - this is correct
-      const modelName = 'gemini-2.5-flash';
-
       // We create a shim/adapter that matches the old structure but uses the new SDK call pattern.
       // This preserves the dependency injection pattern used throughout the class.
       this.aiClient = genAI
         ? {
             generateContent: async (request) => {
-              // The model name is now injected here, into every call, as the new SDK requires.
-              // Architectural guard clause: All requests from this service must have content.
-              // This prevents sending invalid requests to the API and satisfies TypeScript's strictness.
               if (!request.contents || request.contents.length === 0) {
                 this.logger.error(
                   { request },
@@ -140,14 +135,7 @@ export class AIService {
                 throw new Error('AIService.generateContent requires at least one content element.');
               }
 
-              // Architectural Fix: After the guard clause, assign the guaranteed-to-exist element
+              return this._generateWithFallback(genAI, request);
-              // to a new constant. This provides a definitive type-safe variable for the compiler.
-              const firstContent = request.contents[0];
-              this.logger.debug(
-                { modelName, requestParts: firstContent.parts?.length ?? 0 },
-                '[AIService] Calling actual generateContent via adapter.',
-              );
-              return genAI.models.generateContent({ model: modelName, ...request });
             },
           }
         : {
@@ -182,6 +170,54 @@ export class AIService {
     this.logger.info('---------------- [AIService] Constructor End ----------------');
   }
 
+  private async _generateWithFallback(
+    genAI: GoogleGenAI,
+    request: { contents: Content[]; tools?: Tool[] },
+  ): Promise<GenerateContentResponse> {
+    let lastError: Error | null = null;
+
+    for (const modelName of this.models) {
+      try {
+        this.logger.info(
+          `[AIService Adapter] Attempting to generate content with model: ${modelName}`,
+        );
+        const result = await genAI.models.generateContent({ model: modelName, ...request });
+        // If the call succeeds, return the result immediately.
+        return result;
+      } catch (error: unknown) {
+        lastError = error instanceof Error ? error : new Error(String(error));
+        const errorMessage = (lastError.message || '').toLowerCase(); // Make case-insensitive
+
+        // Check for specific error messages indicating quota issues or model unavailability.
+        if (
+          errorMessage.includes('quota') ||
+          errorMessage.includes('429') || // HTTP 429 Too Many Requests
+          errorMessage.includes('resource_exhausted') || // Make case-insensitive
+          errorMessage.includes('model is overloaded')
+        ) {
+          this.logger.warn(
+            `[AIService Adapter] Model '${modelName}' failed due to quota/rate limit. Trying next model. Error: ${errorMessage}`,
+          );
+          continue; // Try the next model in the list.
+        } else {
+          // For other errors (e.g., invalid input, safety settings), fail immediately.
+          this.logger.error(
+            { error: lastError },
+            `[AIService Adapter] Model '${modelName}' failed with a non-retriable error.`,
+          );
+          throw lastError;
+        }
+      }
+    }
+
+    // If all models in the list have failed, throw the last error encountered.
+    this.logger.error(
+      { lastError },
+      '[AIService Adapter] All AI models failed. Throwing last known error.',
+    );
+    throw lastError || new Error('All AI models failed to generate content.');
+  }
+
   private async serverFileToGenerativePart(path: string, mimeType: string) {
     const fileData = await this.fs.readFile(path);
     return {

src/services/apiClient.test.ts

@@ -176,15 +176,13 @@ describe('API Client', () => {
       // We expect the promise to still resolve with the bad response, but log an error.
       await apiClient.apiFetch('/some/failing/endpoint');
 
-      // FIX: Use stringContaining to be resilient to port numbers (e.g., localhost:3001)
-      // This checks for the essential parts of the log message without being brittle.
       expect(logger.error).toHaveBeenCalledWith(
-        expect.stringContaining('apiFetch: Request to http://'),
+        expect.objectContaining({
-        'Internal Server Error',
+          status: 500,
-      );
+          body: 'Internal Server Error',
-      expect(logger.error).toHaveBeenCalledWith(
+          url: expect.stringContaining('/some/failing/endpoint'),
-        expect.stringContaining('/api/some/failing/endpoint failed with status 500'),
+        }),
-        'Internal Server Error',
+        'apiFetch: Request failed',
       );
     });
 
@@ -242,10 +240,6 @@ describe('API Client', () => {
       expect(logger.warn).toHaveBeenCalledWith('Failed to track flyer item interaction', {
         error: apiError,
       });
-
-      expect(logger.warn).toHaveBeenCalledWith('Failed to track flyer item interaction', {
-        error: apiError,
-      });
     });
 
     it('logSearchQuery should log a warning on failure', async () => {
@@ -259,8 +253,6 @@ describe('API Client', () => {
         was_successful: false,
       });
       expect(logger.warn).toHaveBeenCalledWith('Failed to log search query', { error: apiError });
-
-      expect(logger.warn).toHaveBeenCalledWith('Failed to log search query', { error: apiError });
     });
   });
 

src/services/apiClient.ts

@@ -1,6 +1,7 @@
 // src/services/apiClient.ts
 import { Profile, ShoppingListItem, SearchQuery, Budget, Address } from '../types';
 import { logger } from './logger.client';
+import { eventBus } from './eventBus';
 
 // This constant should point to your backend API.
 // It's often a good practice to store this in an environment variable.
@@ -62,12 +63,12 @@ const refreshToken = async (): Promise<string> => {
     logger.info('Successfully refreshed access token.');
     return data.token;
   } catch (error) {
-    logger.error('Failed to refresh token. User will be logged out.', { error });
+    logger.error({ error }, 'Failed to refresh token. User session has expired.');
     // Only perform browser-specific actions if in the browser environment.
     if (typeof window !== 'undefined') {
       localStorage.removeItem('authToken');
-      // A hard redirect is a simple way to reset the app state to logged-out.
+      // Dispatch a global event that the UI layer can listen for to handle session expiry.
-      // window.location.href = '/'; // Removed to allow the caller to handle session expiry.
+      eventBus.dispatch('sessionExpired');
     }
     throw error;
   }
@@ -144,9 +145,8 @@ export const apiFetch = async (
   // --- DEBUG LOGGING for failed requests ---
   if (!response.ok) {
     const responseText = await response.clone().text();
-    logger.error(
+    logger.error({ url: fullUrl, status: response.status, body: responseText },
-      `apiFetch: Request to ${fullUrl} failed with status ${response.status}. Response body:`,
+      'apiFetch: Request failed',
-      responseText,
     );
   }
   // --- END DEBUG LOGGING ---

src/services/eventBus.ts

@@ -0,0 +1,31 @@
+// src/services/eventBus.ts
+
+/**
+ * A simple, generic event bus for cross-component communication without direct coupling.
+ * This is particularly useful for broadcasting application-wide events, such as session expiry.
+ */
+
+type EventCallback = (data?: any) => void;
+
+class EventBus {
+  private listeners: { [key: string]: EventCallback[] } = {};
+
+  on(event: string, callback: EventCallback): void {
+    if (!this.listeners[event]) {
+      this.listeners[event] = [];
+    }
+    this.listeners[event].push(callback);
+  }
+
+  off(event: string, callback: EventCallback): void {
+    if (!this.listeners[event]) return;
+    this.listeners[event] = this.listeners[event].filter((l) => l !== callback);
+  }
+
+  dispatch(event: string, data?: any): void {
+    if (!this.listeners[event]) return;
+    this.listeners[event].forEach((callback) => callback(data));
+  }
+}
+
+export const eventBus = new EventBus();

src/services/geocodingService.server.test.ts

@@ -87,7 +87,7 @@ describe('Geocoding Service', () => {
       // Assert
       expect(result).toEqual(coordinates);
       expect(logger.error).toHaveBeenCalledWith(
-        { err: 'Redis down', cacheKey: expect.any(String) },
+        { err: expect.any(Error), cacheKey: expect.any(String) },
         'Redis GET or JSON.parse command failed. Proceeding without cache.',
       );
       expect(mockGoogleService.geocode).toHaveBeenCalled(); // Should still proceed to fetch
@@ -107,7 +107,7 @@ describe('Geocoding Service', () => {
       expect(mocks.mockRedis.get).toHaveBeenCalledWith(cacheKey);
       // The service should log the JSON parsing error and continue
       expect(logger.error).toHaveBeenCalledWith(
-        { err: expect.any(String), cacheKey: expect.any(String) },
+        { err: expect.any(SyntaxError), cacheKey: expect.any(String) },
         'Redis GET or JSON.parse command failed. Proceeding without cache.',
       );
       expect(mockGoogleService.geocode).toHaveBeenCalledTimes(1);
@@ -185,7 +185,7 @@ describe('Geocoding Service', () => {
       // Assert
       expect(result).toEqual(coordinates);
       expect(logger.error).toHaveBeenCalledWith(
-        { err: 'Network Error' },
+        { err: expect.any(Error) },
         expect.stringContaining('An error occurred while calling the Google Maps Geocoding API'),
       );
       expect(mockNominatimService.geocode).toHaveBeenCalledWith(address, logger);
@@ -223,7 +223,7 @@ describe('Geocoding Service', () => {
       expect(mockGoogleService.geocode).toHaveBeenCalledTimes(1);
       expect(mocks.mockRedis.set).toHaveBeenCalledTimes(1);
       expect(logger.error).toHaveBeenCalledWith(
-        { err: 'Redis SET failed', cacheKey: expect.any(String) },
+        { err: expect.any(Error), cacheKey: expect.any(String) },
         'Redis SET command failed. Result will not be cached.',
       );
     });
@@ -271,7 +271,7 @@ describe('Geocoding Service', () => {
       // Act & Assert
       await expect(geocodingService.clearGeocodeCache(logger)).rejects.toThrow(redisError);
       expect(logger.error).toHaveBeenCalledWith(
-        { err: redisError.message },
+        { err: expect.any(Error) },
         'Failed to clear geocode cache from Redis.',
       );
       expect(mocks.mockRedis.del).not.toHaveBeenCalled();

src/services/geocodingService.server.ts

@@ -25,10 +25,7 @@ export class GeocodingService {
         return JSON.parse(cached);
       }
     } catch (error) {
-      logger.error(
+      logger.error({ err: error, cacheKey }, 'Redis GET or JSON.parse command failed. Proceeding without cache.');
-        { err: error instanceof Error ? error.message : error, cacheKey },
-        'Redis GET or JSON.parse command failed. Proceeding without cache.',
-      );
     }
 
     if (process.env.GOOGLE_MAPS_API_KEY) {
@@ -44,8 +41,8 @@ export class GeocodingService {
         );
       } catch (error) {
         logger.error(
-          { err: error instanceof Error ? error.message : error },
+          { err: error },
-          'An error occurred while calling the Google Maps Geocoding API. Falling back to Nominatim.',
+          'An error occurred while calling the Google Maps Geocoding API. Falling back to Nominatim.'
         );
       }
     } else {
@@ -72,10 +69,7 @@ export class GeocodingService {
     try {
       await redis.set(cacheKey, JSON.stringify(result), 'EX', 60 * 60 * 24 * 30); // Cache for 30 days
     } catch (error) {
-      logger.error(
+      logger.error({ err: error, cacheKey }, 'Redis SET command failed. Result will not be cached.');
-        { err: error instanceof Error ? error.message : error, cacheKey },
-        'Redis SET command failed. Result will not be cached.',
-      );
     }
   }
 
@@ -98,10 +92,7 @@ export class GeocodingService {
       logger.info(`Successfully deleted ${totalDeleted} geocode cache entries.`);
       return totalDeleted;
     } catch (error) {
-      logger.error(
+      logger.error({ err: error }, 'Failed to clear geocode cache from Redis.');
-        { err: error instanceof Error ? error.message : error },
-        'Failed to clear geocode cache from Redis.',
-      );
       throw error;
     }
   }

src/services/logger.server.ts

@@ -34,6 +34,9 @@ export const logger = pino({
       '*.body.password',
       '*.body.newPassword',
       '*.body.currentPassword',
+      '*.body.confirmPassword',
+      '*.body.refreshToken',
+      '*.body.token',
     ],
     censor: '[REDACTED]',
   },

src/services/queueService.server.test.ts

@@ -1,7 +1,7 @@
 // src/services/queueService.server.test.ts
 import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
 import { logger as mockLogger } from './logger.server';
-import { EventEmitter } from 'node:events';
+import { EventEmitter } from 'node:events'; // This was a duplicate, fixed.
 import type { Job, Worker } from 'bullmq';
 import type { Mock } from 'vitest';
 
@@ -31,6 +31,7 @@ mockRedisConnection.quit = vi.fn().mockResolvedValue('OK');
 // We make it a mock function that returns our shared `mockRedisConnection` instance.
 vi.mock('ioredis', () => ({
   default: vi.fn(function () {
+    // This was a duplicate, fixed.
     return mockRedisConnection;
   }),
 }));
@@ -51,26 +52,35 @@ vi.mock('bullmq', () => ({
     this.add = vi.fn();
     this.close = vi.fn().mockResolvedValue(undefined);
     return this;
-  }),
+  }), // This was a duplicate, fixed.
+  UnrecoverableError: class UnrecoverableError extends Error {},
 }));
 
 vi.mock('./logger.server', () => ({
   logger: {
     info: vi.fn(),
     error: vi.fn(),
-    warn: vi.fn(),
+    warn: vi.fn(), // This was a duplicate, fixed.
     debug: vi.fn(),
+    child: vi.fn().mockReturnThis(),
   },
 }));
 
 // Mock other dependencies that are not the focus of this test file.
 vi.mock('./aiService.server');
 vi.mock('./emailService.server');
-vi.mock('./db/index.db');
+vi.mock('./db/index.db'); // This was a duplicate, fixed.
+vi.mock('./flyerProcessingService.server');
+vi.mock('./flyerDataTransformer');
 
-describe('Queue Service Setup and Lifecycle', () => {
+describe('Worker Service Lifecycle', () => {
-  let gracefulShutdown: (signal: string) => Promise<void>;
+  let gracefulShutdown: (signal: string) => Promise<void>; // This was a duplicate, fixed.
-  let flyerWorker: Worker, emailWorker: Worker, analyticsWorker: Worker, cleanupWorker: Worker;
+  let flyerWorker: Worker,
+    emailWorker: Worker,
+    analyticsWorker: Worker,
+    cleanupWorker: Worker,
+    weeklyAnalyticsWorker: Worker,
+    tokenCleanupWorker: Worker;
 
   beforeEach(async () => {
     vi.clearAllMocks();
@@ -79,22 +89,27 @@ describe('Queue Service Setup and Lifecycle', () => {
     vi.resetModules();
 
     // Dynamically import the modules after mocks are set up
-    const queueService = await import('./queueService.server');
+    const workerService = await import('./workers.server');
 
     // Capture the imported instances for use in tests
-    gracefulShutdown = queueService.gracefulShutdown;
+    gracefulShutdown = workerService.gracefulShutdown;
-    flyerWorker = queueService.flyerWorker;
+    flyerWorker = workerService.flyerWorker;
-    emailWorker = queueService.emailWorker;
+    emailWorker = workerService.emailWorker;
-    analyticsWorker = queueService.analyticsWorker;
+    analyticsWorker = workerService.analyticsWorker;
-    cleanupWorker = queueService.cleanupWorker;
+    cleanupWorker = workerService.cleanupWorker;
+    weeklyAnalyticsWorker = workerService.weeklyAnalyticsWorker;
+    tokenCleanupWorker = workerService.tokenCleanupWorker;
   });
 
   afterEach(() => {
     // Clean up all event listeners on the mock connection to prevent open handles.
     mockRedisConnection.removeAllListeners();
+    vi.useRealTimers();
   });
 
   it('should log a success message when Redis connects', () => {
+    // Re-import redis.server to trigger its event listeners with the mock
+    import('./redis.server');
     // Act: Simulate the 'connect' event on the mock Redis connection
     mockRedisConnection.emit('connect');
 
@@ -103,6 +118,7 @@ describe('Queue Service Setup and Lifecycle', () => {
   });
 
   it('should log an error message when Redis connection fails', () => {
+    import('./redis.server');
     const redisError = new Error('Connection refused');
     mockRedisConnection.emit('error', redisError);
     expect(mockLogger.error).toHaveBeenCalledWith({ err: redisError }, '[Redis] Connection error.');
@@ -111,7 +127,14 @@ describe('Queue Service Setup and Lifecycle', () => {
   it('should attach completion and failure listeners to all workers', () => {
     // The workers are instantiated when the module is imported in beforeEach.
     // We just need to check that the 'on' method was called for each event.
-    const workers = [flyerWorker, emailWorker, analyticsWorker, cleanupWorker];
+    const workers = [
+      flyerWorker,
+      emailWorker,
+      analyticsWorker,
+      cleanupWorker,
+      weeklyAnalyticsWorker,
+      tokenCleanupWorker,
+    ];
     for (const worker of workers) {
       expect(worker.on).toHaveBeenCalledWith('completed', expect.any(Function));
       expect(worker.on).toHaveBeenCalledWith('failed', expect.any(Function));
@@ -171,15 +194,40 @@ describe('Queue Service Setup and Lifecycle', () => {
     });
 
     it('should close all workers, queues, the redis connection, and exit the process', async () => {
+      // We need to import the queues to check if their close methods are called.
+      const {
+        flyerQueue,
+        emailQueue,
+        analyticsQueue,
+        cleanupQueue,
+        weeklyAnalyticsQueue,
+        tokenCleanupQueue,
+      } = await import('./queues.server');
+
       await gracefulShutdown('SIGINT');
-      expect((flyerWorker as unknown as MockQueueInstance).close).toHaveBeenCalled();
+
-      expect((emailWorker as unknown as MockQueueInstance).close).toHaveBeenCalled();
+      // Verify workers are closed
-      expect((analyticsWorker as unknown as MockQueueInstance).close).toHaveBeenCalled();
+      expect((flyerWorker as unknown as MockWorkerInstance).close).toHaveBeenCalled();
-      expect((cleanupWorker as unknown as MockQueueInstance).close).toHaveBeenCalled();
+      expect((emailWorker as unknown as MockWorkerInstance).close).toHaveBeenCalled();
+      expect((analyticsWorker as unknown as MockWorkerInstance).close).toHaveBeenCalled();
+      expect((cleanupWorker as unknown as MockWorkerInstance).close).toHaveBeenCalled();
+      expect((weeklyAnalyticsWorker as unknown as MockWorkerInstance).close).toHaveBeenCalled();
+      expect((tokenCleanupWorker as unknown as MockWorkerInstance).close).toHaveBeenCalled();
+
+      // Verify queues are closed
+      expect((flyerQueue as unknown as MockQueueInstance).close).toHaveBeenCalled();
+      expect((emailQueue as unknown as MockQueueInstance).close).toHaveBeenCalled();
+      expect((analyticsQueue as unknown as MockQueueInstance).close).toHaveBeenCalled();
+      expect((cleanupQueue as unknown as MockQueueInstance).close).toHaveBeenCalled();
+      expect((weeklyAnalyticsQueue as unknown as MockQueueInstance).close).toHaveBeenCalled();
+      expect((tokenCleanupQueue as unknown as MockQueueInstance).close).toHaveBeenCalled();
+
       // Verify the redis connection is also closed
       expect(mockRedisConnection.quit).toHaveBeenCalledTimes(1);
+
+      // Check for the correct success log message from workers.server.ts
       expect(mockLogger.info).toHaveBeenCalledWith(
-        '[Shutdown] All workers, queues, and connections closed successfully.',
+        '[Shutdown] All resources closed successfully.',
       );
       expect(processExitSpy).toHaveBeenCalledWith(0);
     });
@@ -192,12 +240,34 @@ describe('Queue Service Setup and Lifecycle', () => {
       await gracefulShutdown('SIGTERM');
 
       // It should still attempt to close all workers
-      expect((emailWorker as unknown as MockQueueInstance).close).toHaveBeenCalled();
+      expect((emailWorker as unknown as MockWorkerInstance).close).toHaveBeenCalled();
       expect(mockLogger.error).toHaveBeenCalledWith(
         { err: closeError, resource: 'flyerWorker' },
-        '[Shutdown] Error closing resource.',
+        `[Shutdown] Error closing flyerWorker.`,
       );
       expect(processExitSpy).toHaveBeenCalledWith(1);
     });
+
+    it('should timeout if shutdown takes too long', async () => {
+      vi.useFakeTimers();
+      // Make one of the close calls hang indefinitely
+      (flyerWorker.close as Mock).mockReturnValue(new Promise(() => {}));
+
+      // Run shutdown but don't await it fully, as it will hang
+      const shutdownPromise = gracefulShutdown('SIGTERM');
+
+      // Advance timers past the timeout threshold
+      await vi.advanceTimersByTimeAsync(31000);
+
+      // Now await the promise to see the timeout result
+      await shutdownPromise;
+
+      expect(mockLogger.error).toHaveBeenCalledWith(
+        `[Shutdown] Graceful shutdown timed out after 30 seconds. Forcing exit.`,
+      );
+      expect(processExitSpy).toHaveBeenCalledWith(1);
+
+      vi.useRealTimers();
+    });
   });
 });

src/services/queueService.server.ts

@@ -1,420 +1,32 @@
 // src/services/queueService.server.ts
-import { Queue, Worker, Job } from 'bullmq';
-import IORedis from 'ioredis'; // Correctly imported
-import fsPromises from 'node:fs/promises';
-import { exec } from 'child_process';
-import { promisify } from 'util';
-
 import { logger } from './logger.server';
-import { aiService } from './aiService.server';
+import { connection } from './redis.server';
-import * as emailService from './emailService.server';
-import * as db from './db/index.db';
 import {
-  FlyerProcessingService,
+  flyerQueue,
-  type FlyerJobData,
+  emailQueue,
-  type IFileSystem,
+  analyticsQueue,
-} from './flyerProcessingService.server';
+  weeklyAnalyticsQueue,
-import { FlyerDataTransformer } from './flyerDataTransformer';
+  cleanupQueue,
+  tokenCleanupQueue,
+} from './queues.server';
 
-export const connection = new IORedis(process.env.REDIS_URL!, {
+// Re-export everything for backward compatibility where possible
-  maxRetriesPerRequest: null, // Important for BullMQ
+export { connection } from './redis.server';
-  password: process.env.REDIS_PASSWORD, // Add the password from environment variables
+export * from './queues.server';
-});
 
-// --- Redis Connection Event Listeners ---
+// We do NOT export workers here anymore to prevent side effects.
-connection.on('connect', () => {
+// Consumers needing workers must import from './workers.server'.
-  logger.info('[Redis] Connection established successfully.');
-});
-
-connection.on('error', (err) => {
-  // This is crucial for diagnosing Redis connection issues. // The patch requested this specific error handling.
-  logger.error({ err }, '[Redis] Connection error.');
-});
-
-const execAsync = promisify(exec);
-// --- Queues ---
-export const flyerQueue = new Queue<FlyerJobData>('flyer-processing', {
-  connection,
-  defaultJobOptions: {
-    attempts: 3, // Attempt a job 3 times before marking it as failed.
-    backoff: {
-      type: 'exponential',
-      delay: 5000, // Start with a 5-second delay for the first retry
-    },
-  },
-});
-
-export const emailQueue = new Queue<EmailJobData>('email-sending', {
-  connection,
-  defaultJobOptions: {
-    attempts: 5, // Emails can be retried more aggressively
-    backoff: {
-      type: 'exponential',
-      delay: 10000, // Start with a 10-second delay
-    },
-  },
-});
-
-export const analyticsQueue = new Queue<AnalyticsJobData>('analytics-reporting', {
-  connection,
-  defaultJobOptions: {
-    attempts: 2, // Analytics can be intensive, so fewer retries might be desired.
-    backoff: {
-      type: 'exponential',
-      delay: 60000, // Wait a minute before retrying.
-    },
-    // Remove job from queue on completion to save space, as results are in the DB.
-    removeOnComplete: true,
-    removeOnFail: 50, // Keep the last 50 failed jobs for inspection.
-  },
-});
-
-export const weeklyAnalyticsQueue = new Queue<WeeklyAnalyticsJobData>(
-  'weekly-analytics-reporting',
-  {
-    connection,
-    defaultJobOptions: {
-      attempts: 2,
-      backoff: {
-        type: 'exponential',
-        delay: 3600000, // 1 hour delay for retries
-      },
-      removeOnComplete: true,
-      removeOnFail: 50,
-    },
-  },
-);
-
-export const cleanupQueue = new Queue<CleanupJobData>('file-cleanup', {
-  connection,
-  defaultJobOptions: {
-    attempts: 3,
-    backoff: {
-      type: 'exponential',
-      delay: 30000, // Retry cleanup after 30 seconds
-    },
-    removeOnComplete: true, // No need to keep successful cleanup jobs
-  },
-});
-
-export const tokenCleanupQueue = new Queue<TokenCleanupJobData>('token-cleanup', {
-  connection,
-  defaultJobOptions: {
-    attempts: 2,
-    backoff: {
-      type: 'exponential',
-      delay: 3600000, // 1 hour delay
-    },
-    removeOnComplete: true,
-    removeOnFail: 10,
-  },
-});
-// --- Job Data Interfaces ---
-
-interface EmailJobData {
-  to: string;
-  subject: string;
-  text: string;
-  html: string;
-}
 
 /**
- * Defines the data for an analytics job.
+ * A function to gracefully shut down all queues and connections.
- */
+ * This is for the API process which only uses queues.
-interface AnalyticsJobData {
+ * For worker processes, use the gracefulShutdown from workers.server.ts
-  reportDate: string; // e.g., '2024-10-26'
-}
-
-/**
- * Defines the data for a weekly analytics job.
- */
-interface WeeklyAnalyticsJobData {
-  reportYear: number;
-  reportWeek: number; // ISO week number (1-53)
-}
-
-interface CleanupJobData {
-  flyerId: number;
-  // An array of absolute file paths to be deleted. Made optional for manual cleanup triggers.
-  paths?: string[];
-}
-
-/**
- * Defines the data for a token cleanup job.
- */
-interface TokenCleanupJobData {
-  timestamp: string; // ISO string to ensure the job is unique per run
-}
-
-// --- Worker Instantiation ---
-
-// Create an adapter for fsPromises to match the IFileSystem interface.
-const fsAdapter: IFileSystem = {
-  readdir: (path: string, options: { withFileTypes: true }) => fsPromises.readdir(path, options),
-  unlink: (path: string) => fsPromises.unlink(path),
-};
-
-// Instantiate the service with its real dependencies
-const flyerProcessingService = new FlyerProcessingService(
-  aiService,
-  db,
-  fsAdapter,
-  execAsync,
-  cleanupQueue, // Inject the cleanup queue to break the circular dependency
-  new FlyerDataTransformer(), // Inject the new transformer
-);
-
-/**
- * A generic function to attach logging event listeners to any worker.
- * This centralizes logging for job completion and final failure.
- * @param worker The BullMQ worker instance.
- */
-const attachWorkerEventListeners = (worker: Worker) => {
-  worker.on('completed', (job: Job, returnValue: unknown) => {
-    logger.info({ returnValue }, `[${worker.name}] Job ${job.id} completed successfully.`);
-  });
-
-  worker.on('failed', (job: Job | undefined, error: Error) => {
-    // This event fires after all retries have failed.
-    logger.error(
-      { err: error, jobData: job?.data },
-      `[${worker.name}] Job ${job?.id} has ultimately failed after all attempts.`,
-    );
-  });
-};
-
-export const flyerWorker = new Worker<FlyerJobData>(
-  'flyer-processing', // Must match the queue name
-  (job) => {
-    // The processJob method creates its own job-specific logger internally.
-    return flyerProcessingService.processJob(job);
-  },
-  {
-    connection,
-    concurrency: parseInt(process.env.WORKER_CONCURRENCY || '1', 10),
-  },
-);
-/**
- * A dedicated worker process for sending emails.
- */
-export const emailWorker = new Worker<EmailJobData>(
-  'email-sending',
-  async (job: Job<EmailJobData>) => {
-    const { to, subject } = job.data;
-    // Create a job-specific logger instance
-    const jobLogger = logger.child({ jobId: job.id, jobName: job.name });
-    jobLogger.info({ to, subject }, `[EmailWorker] Sending email for job ${job.id}`);
-    try {
-      await emailService.sendEmail(job.data, jobLogger);
-    } catch (error: unknown) {
-      // Standardize error logging to capture the full error object, including the stack trace.
-      // This provides more context for debugging than just logging the message.
-      logger.error(
-        {
-          // Log the full error object for better diagnostics. // The patch requested this specific error handling.
-          err: error instanceof Error ? error : new Error(String(error)),
-          // Also include the job data for context.
-          jobData: job.data,
-        },
-        `[EmailWorker] Job ${job.id} failed. Attempt ${job.attemptsMade}/${job.opts.attempts}.`,
-      );
-      // Re-throw to let BullMQ handle the failure and retry.
-      throw error;
-    }
-  },
-  {
-    connection,
-    concurrency: parseInt(process.env.EMAIL_WORKER_CONCURRENCY || '10', 10),
-  },
-);
-
-/**
- * A dedicated worker for generating daily analytics reports.
- * This is a placeholder for the actual report generation logic.
- */
-export const analyticsWorker = new Worker<AnalyticsJobData>(
-  'analytics-reporting',
-  async (job: Job<AnalyticsJobData>) => {
-    const { reportDate } = job.data;
-    logger.info({ reportDate }, `[AnalyticsWorker] Starting report generation for job ${job.id}`);
-    try {
-      // Special case for testing the retry mechanism
-      if (reportDate === 'FAIL') {
-        throw new Error('This is a test failure for the analytics job.');
-      }
-
-      // In a real implementation, you would call a database function here.
-      // For example: await db.generateDailyAnalyticsReport(reportDate);
-      await new Promise((resolve) => setTimeout(resolve, 10000)); // Simulate a 10-second task
-      logger.info(`[AnalyticsWorker] Successfully generated report for ${reportDate}.`);
-    } catch (error: unknown) {
-      // Standardize error logging.
-      logger.error(
-        {
-          err: error instanceof Error ? error : new Error(String(error)),
-          jobData: job.data,
-        },
-        `[AnalyticsWorker] Job ${job.id} failed. Attempt ${job.attemptsMade}/${job.opts.attempts}.`,
-      );
-      throw error; // Re-throw to let BullMQ handle the failure and retry.
-    }
-  },
-  {
-    connection,
-    concurrency: parseInt(process.env.ANALYTICS_WORKER_CONCURRENCY || '1', 10),
-  },
-);
-
-/**
- * A dedicated worker for cleaning up flyer-related files from the filesystem.
- * This is triggered manually by an admin after a flyer has been reviewed.
- */
-export const cleanupWorker = new Worker<CleanupJobData>(
-  // This worker now handles two types of cleanup jobs.
-  'file-cleanup', // The queue name
-  async (job: Job<CleanupJobData>) => {
-    // Destructure the data from the job payload.
-    const { flyerId, paths } = job.data;
-    logger.info(
-      { paths },
-      `[CleanupWorker] Starting file cleanup for job ${job.id} (Flyer ID: ${flyerId})`,
-    );
-
-    try {
-      if (!paths || paths.length === 0) {
-        logger.warn(
-          `[CleanupWorker] Job ${job.id} for flyer ${flyerId} received no paths to clean. Skipping.`,
-        );
-        return;
-      }
-
-      // Iterate over the file paths provided in the job data and delete each one.
-      for (const filePath of paths) {
-        try {
-          await fsAdapter.unlink(filePath);
-          logger.info(`[CleanupWorker] Deleted temporary file: ${filePath}`);
-        } catch (unlinkError: unknown) {
-          // If the file doesn't exist, it's a success from our perspective.
-          // We can log it as a warning and continue without failing the job.
-          if (
-            unlinkError instanceof Error &&
-            'code' in unlinkError &&
-            unlinkError.code === 'ENOENT'
-          ) {
-            logger.warn(
-              `[CleanupWorker] File not found during cleanup (already deleted?): ${filePath}`,
-            );
-          } else {
-            throw unlinkError; // For any other error (e.g., permissions), re-throw to fail the job.
-          }
-        }
-      }
-      logger.info(
-        `[CleanupWorker] Successfully cleaned up ${paths.length} file(s) for flyer ${flyerId}.`,
-      );
-    } catch (error: unknown) {
-      // Standardize error logging.
-      logger.error(
-        {
-          err: error instanceof Error ? error : new Error(String(error)),
-        },
-        `[CleanupWorker] Job ${job.id} for flyer ${flyerId} failed. Attempt ${job.attemptsMade}/${job.opts.attempts}.`,
-      );
-      throw error; // Re-throw to let BullMQ handle the failure and retry.
-    }
-  },
-  {
-    connection,
-    concurrency: parseInt(process.env.CLEANUP_WORKER_CONCURRENCY || '10', 10),
-  },
-);
-
-/**
- * A dedicated worker for generating weekly analytics reports.
- * This is a placeholder for the actual report generation logic.
- */
-export const weeklyAnalyticsWorker = new Worker<WeeklyAnalyticsJobData>(
-  'weekly-analytics-reporting',
-  async (job: Job<WeeklyAnalyticsJobData>) => {
-    const { reportYear, reportWeek } = job.data;
-    logger.info(
-      { reportYear, reportWeek },
-      `[WeeklyAnalyticsWorker] Starting weekly report generation for job ${job.id}`,
-    );
-    try {
-      // Simulate a longer-running task for weekly reports
-      await new Promise((resolve) => setTimeout(resolve, 30000)); // Simulate 30-second task
-      logger.info(
-        `[WeeklyAnalyticsWorker] Successfully generated weekly report for week ${reportWeek}, ${reportYear}.`,
-      );
-    } catch (error: unknown) {
-      // Standardize error logging.
-      logger.error(
-        {
-          err: error instanceof Error ? error : new Error(String(error)),
-          jobData: job.data,
-        },
-        `[WeeklyAnalyticsWorker] Job ${job.id} failed. Attempt ${job.attemptsMade}/${job.opts.attempts}.`,
-      );
-      throw error; // Re-throw to let BullMQ handle the failure and retry.
-    }
-  },
-  {
-    connection,
-    concurrency: parseInt(process.env.WEEKLY_ANALYTICS_WORKER_CONCURRENCY || '1', 10),
-  },
-);
-
-/**
- * A dedicated worker for cleaning up expired password reset tokens.
- */
-export const tokenCleanupWorker = new Worker<TokenCleanupJobData>(
-  'token-cleanup',
-  async (job: Job<TokenCleanupJobData>) => {
-    const jobLogger = logger.child({ jobId: job.id, jobName: job.name });
-    jobLogger.info('[TokenCleanupWorker] Starting cleanup of expired password reset tokens.');
-    try {
-      const deletedCount = await db.userRepo.deleteExpiredResetTokens(jobLogger);
-      jobLogger.info(`[TokenCleanupWorker] Successfully deleted ${deletedCount} expired tokens.`);
-      return { deletedCount };
-    } catch (error: unknown) {
-      jobLogger.error({ err: error }, `[TokenCleanupWorker] Job ${job.id} failed.`);
-      throw error;
-    }
-  },
-  {
-    connection,
-    concurrency: 1, // This is a low-priority, non-intensive task.
-  },
-);
-
-// --- Attach Event Listeners to All Workers ---
-attachWorkerEventListeners(flyerWorker);
-attachWorkerEventListeners(emailWorker);
-attachWorkerEventListeners(analyticsWorker);
-attachWorkerEventListeners(cleanupWorker);
-attachWorkerEventListeners(weeklyAnalyticsWorker);
-attachWorkerEventListeners(tokenCleanupWorker);
-
-logger.info('All workers started and listening for jobs.');
-
-/**
- * A function to gracefully shut down all queue workers and connections.
- * This is essential for preventing jobs from getting stuck in an 'active' state
- * when the application process is terminated.
- * @param signal The signal that triggered the shutdown (e.g., 'SIGINT').
  */
 export const gracefulShutdown = async (signal: string) => {
-  logger.info(`[Shutdown] Received ${signal}. Closing all workers and queues...`);
+  logger.info(`[Shutdown] Received ${signal}. Closing all queues...`);
   let exitCode = 0; // Default to success
 
   const resources = [
-    { name: 'flyerWorker', close: () => flyerWorker.close() },
-    { name: 'emailWorker', close: () => emailWorker.close() },
-    { name: 'analyticsWorker', close: () => analyticsWorker.close() },
-    { name: 'cleanupWorker', close: () => cleanupWorker.close() },
-    { name: 'weeklyAnalyticsWorker', close: () => weeklyAnalyticsWorker.close() },
-    { name: 'tokenCleanupWorker', close: () => tokenCleanupWorker.close() },
     { name: 'flyerQueue', close: () => flyerQueue.close() },
     { name: 'emailQueue', close: () => emailQueue.close() },
     { name: 'analyticsQueue', close: () => analyticsQueue.close() },
@@ -437,7 +49,7 @@ export const gracefulShutdown = async (signal: string) => {
   });
 
   if (exitCode === 0) {
-    logger.info('[Shutdown] All workers, queues, and connections closed successfully.');
+    logger.info('[Shutdown] All queues and connections closed successfully.');
   } else {
     logger.warn('[Shutdown] Graceful shutdown completed with errors.');
   }

src/services/queueService.workers.test.ts

@@ -175,7 +175,7 @@ describe('Queue Workers', () => {
       const emailError = 'SMTP server is down'; // Reject with a string
       mocks.sendEmail.mockRejectedValue(emailError);
 
-      await expect(emailProcessor(job)).rejects.toBe(emailError);
+      await expect(emailProcessor(job)).rejects.toThrow(emailError);
 
       // The worker should wrap the string in an Error object for logging
       expect(mockLogger.error).toHaveBeenCalledWith(

src/services/queues.server.ts

@@ -0,0 +1,96 @@
+import { Queue } from 'bullmq';
+import { connection } from './redis.server';
+import type { FlyerJobData } from './flyerProcessingService.server';
+
+// --- Job Data Interfaces ---
+
+export interface EmailJobData {
+  to: string;
+  subject: string;
+  text: string;
+  html: string;
+}
+
+export interface AnalyticsJobData {
+  reportDate: string; // e.g., '2024-10-26'
+}
+
+export interface WeeklyAnalyticsJobData {
+  reportYear: number;
+  reportWeek: number; // ISO week number (1-53)
+}
+
+export interface CleanupJobData {
+  flyerId: number;
+  paths?: string[];
+}
+
+export interface TokenCleanupJobData {
+  timestamp: string;
+}
+
+// --- Queues ---
+
+export const flyerQueue = new Queue<FlyerJobData>('flyer-processing', {
+  connection,
+  defaultJobOptions: {
+    attempts: 3,
+    backoff: {
+      type: 'exponential',
+      delay: 5000,
+    },
+  },
+});
+
+export const emailQueue = new Queue<EmailJobData>('email-sending', {
+  connection,
+  defaultJobOptions: {
+    attempts: 5,
+    backoff: {
+      type: 'exponential',
+      delay: 10000,
+    },
+  },
+});
+
+export const analyticsQueue = new Queue<AnalyticsJobData>('analytics-reporting', {
+  connection,
+  defaultJobOptions: {
+    attempts: 2,
+    backoff: {
+      type: 'exponential',
+      delay: 60000,
+    },
+    removeOnComplete: true,
+    removeOnFail: 50,
+  },
+});
+
+export const weeklyAnalyticsQueue = new Queue<WeeklyAnalyticsJobData>('weekly-analytics-reporting', {
+  connection,
+  defaultJobOptions: {
+    attempts: 2,
+    backoff: { type: 'exponential', delay: 3600000 },
+    removeOnComplete: true,
+    removeOnFail: 50,
+  },
+});
+
+export const cleanupQueue = new Queue<CleanupJobData>('file-cleanup', {
+  connection,
+  defaultJobOptions: {
+    attempts: 3,
+    backoff: { type: 'exponential', delay: 30000 },
+    removeOnComplete: true,
+  },
+});
+
+export const tokenCleanupQueue = new Queue<TokenCleanupJobData>('token-cleanup', {
+  connection,
+  defaultJobOptions: {
+    attempts: 2,
+    backoff: { type: 'exponential', delay: 3600000 },
+    removeOnComplete: true,
+    removeOnFail: 10,
+  },
+});

src/services/redis.server.ts

@@ -0,0 +1,16 @@
+import IORedis from 'ioredis';
+import { logger } from './logger.server';
+
+export const connection = new IORedis(process.env.REDIS_URL!, {
+  maxRetriesPerRequest: null, // Important for BullMQ
+  password: process.env.REDIS_PASSWORD,
+});
+
+// --- Redis Connection Event Listeners ---
+connection.on('connect', () => {
+  logger.info('[Redis] Connection established successfully.');
+});
+
+connection.on('error', (err) => {
+  logger.error({ err }, '[Redis] Connection error.');
+});

src/services/worker.ts

@@ -0,0 +1,30 @@
+import { gracefulShutdown } from './workers.server';
+import { logger } from './logger.server';
+
+logger.info('[Worker] Initializing worker process...');
+
+// The workers are instantiated as side effects of importing workers.server.ts.
+// This pattern ensures they start immediately upon import.
+
+// Handle graceful shutdown
+const handleShutdown = (signal: string) => {
+  logger.info(`[Worker] Received ${signal}. Initiating graceful shutdown...`);
+  gracefulShutdown(signal).catch((error: unknown) => {
+    logger.error({ err: error }, '[Worker] Error during shutdown.');
+    process.exit(1);
+  });
+};
+
+process.on('SIGINT', () => handleShutdown('SIGINT'));
+process.on('SIGTERM', () => handleShutdown('SIGTERM'));
+
+// Catch unhandled errors to log them before crashing
+process.on('uncaughtException', (err) => {
+  logger.error({ err }, '[Worker] Uncaught exception');
+});
+
+process.on('unhandledRejection', (reason, promise) => {
+  logger.error({ reason, promise }, '[Worker] Unhandled Rejection');
+});
+
+logger.info('[Worker] Worker process is running and listening for jobs.');

src/services/workers.server.test.ts

@@ -0,0 +1,346 @@
+// src/services/workers.server.test.ts
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import type { Job } from 'bullmq';
+
+// --- Hoisted Mocks ---
+const mocks = vi.hoisted(() => {
+  // This object will store the processor functions captured from the worker constructors.
+  const capturedProcessors: Record<string, (job: Job) => Promise<unknown>> = {};
+
+  return {
+    sendEmail: vi.fn(),
+    unlink: vi.fn(),
+    processFlyerJob: vi.fn(),
+    capturedProcessors,
+    deleteExpiredResetTokens: vi.fn(),
+    // Mock the Worker constructor to capture the processor function. It must be a
+    // `function` and not an arrow function so it can be called with `new`.
+    MockWorker: vi.fn(function (name: string, processor: (job: Job) => Promise<unknown>) {
+      if (processor) {
+        capturedProcessors[name] = processor;
+      }
+      // Return a mock worker instance, though it's not used in this test file.
+      return { on: vi.fn(), close: vi.fn() };
+    }),
+  };
+});
+
+// --- Mock Modules ---
+vi.mock('./emailService.server', async (importOriginal) => {
+  const actual = await importOriginal<typeof import('./emailService.server')>();
+  return {
+    ...actual,
+    // We only need to mock the specific function being called by the worker.
+    // The rest of the module can retain its original implementation if needed elsewhere.
+    sendEmail: mocks.sendEmail,
+  };
+});
+
+// The workers use an `fsAdapter`. We can mock the underlying `fsPromises`
+// that the adapter is built from in queueService.server.ts.
+vi.mock('node:fs/promises', () => ({
+  default: {
+    unlink: mocks.unlink,
+    // Add other fs functions if needed by other tests
+    readdir: vi.fn(),
+  },
+}));
+
+vi.mock('./logger.server', () => ({
+  logger: {
+    info: vi.fn(),
+    error: vi.fn(),
+    warn: vi.fn(),
+    debug: vi.fn(),
+    child: vi.fn().mockReturnThis(),
+  },
+}));
+
+vi.mock('./db/index.db', () => ({
+  userRepo: {
+    deleteExpiredResetTokens: mocks.deleteExpiredResetTokens,
+  },
+}));
+
+// Mock bullmq to capture the processor functions passed to the Worker constructor
+import { logger as mockLogger } from './logger.server';
+vi.mock('bullmq', () => ({
+  Worker: mocks.MockWorker,
+  // FIX: Use a standard function for the mock constructor to allow `new Queue(...)` to work.
+  Queue: vi.fn(function () {
+    return { add: vi.fn() };
+  }),
+}));
+
+// Mock flyerProcessingService.server as flyerWorker depends on it
+vi.mock('./flyerProcessingService.server', () => ({
+  FlyerProcessingService: class {
+    processJob = mocks.processFlyerJob;
+  },
+}));
+
+// Mock flyerDataTransformer as it's a dependency of FlyerProcessingService
+vi.mock('./flyerDataTransformer', () => ({
+  FlyerDataTransformer: class {
+    transform = vi.fn(); // Mock transform method
+  },
+}));
+
+// Helper to create a mock BullMQ Job object
+const createMockJob = <T>(data: T): Job<T> => {
+  return {
+    id: 'job-1',
+    data,
+    updateProgress: vi.fn().mockResolvedValue(undefined),
+    log: vi.fn().mockResolvedValue(undefined),
+    opts: { attempts: 3 },
+    attemptsMade: 1,
+    trace: vi.fn().mockResolvedValue(undefined),
+    moveToCompleted: vi.fn().mockResolvedValue(undefined),
+    moveToFailed: vi.fn().mockResolvedValue(undefined),
+  } as unknown as Job<T>;
+};
+
+describe('Queue Workers', () => {
+  // These will hold the captured processor functions for each test.
+  let flyerProcessor: (job: Job) => Promise<unknown>;
+  let emailProcessor: (job: Job) => Promise<unknown>;
+  let analyticsProcessor: (job: Job) => Promise<unknown>;
+  let cleanupProcessor: (job: Job) => Promise<unknown>;
+  let weeklyAnalyticsProcessor: (job: Job) => Promise<unknown>;
+  let tokenCleanupProcessor: (job: Job) => Promise<unknown>;
+
+  beforeEach(async () => {
+    vi.clearAllMocks();
+
+    // Reset default mock implementations for hoisted mocks
+    mocks.sendEmail.mockResolvedValue(undefined);
+    mocks.unlink.mockResolvedValue(undefined);
+    mocks.processFlyerJob.mockResolvedValue({ flyerId: 123 }); // Default success for flyer processing
+    mocks.deleteExpiredResetTokens.mockResolvedValue(5);
+
+    // Reset modules to re-evaluate the workers.server.ts file with fresh mocks.
+    // This ensures that new worker instances are created and their processors are captured for each test.
+    vi.resetModules();
+
+    // Dynamically import the module under test AFTER mocks are reset.
+    // This will trigger the instantiation of the workers, and our mocked Worker constructor will capture the processors.
+    await import('./workers.server');
+
+    // Re-capture the processors for each test to ensure isolation.
+    flyerProcessor = mocks.capturedProcessors['flyer-processing'];
+    emailProcessor = mocks.capturedProcessors['email-sending'];
+    analyticsProcessor = mocks.capturedProcessors['analytics-reporting'];
+    cleanupProcessor = mocks.capturedProcessors['file-cleanup'];
+    weeklyAnalyticsProcessor = mocks.capturedProcessors['weekly-analytics-reporting'];
+    tokenCleanupProcessor = mocks.capturedProcessors['token-cleanup'];
+  });
+
+  describe('flyerWorker', () => {
+    it('should call flyerProcessingService.processJob with the job data', async () => {
+      const jobData = {
+        filePath: '/tmp/flyer.pdf',
+        originalFileName: 'flyer.pdf',
+        checksum: 'abc',
+      };
+      const job = createMockJob(jobData);
+
+      await flyerProcessor(job);
+
+      expect(mocks.processFlyerJob).toHaveBeenCalledTimes(1);
+      expect(mocks.processFlyerJob).toHaveBeenCalledWith(job);
+    });
+
+    it('should re-throw an error if flyerProcessingService.processJob fails', async () => {
+      const job = createMockJob({
+        filePath: '/tmp/fail.pdf',
+        originalFileName: 'fail.pdf',
+        checksum: 'def',
+      });
+      const processingError = new Error('Flyer processing failed');
+      mocks.processFlyerJob.mockRejectedValue(processingError);
+
+      await expect(flyerProcessor(job)).rejects.toThrow('Flyer processing failed');
+    });
+  });
+
+  describe('emailWorker', () => {
+    it('should call emailService.sendEmail with the job data', async () => {
+      const jobData = {
+        to: 'test@example.com',
+        subject: 'Test Email',
+        html: '<p>Hello</p>',
+        text: 'Hello',
+      };
+      const job = createMockJob(jobData);
+
+      await emailProcessor(job);
+
+      expect(mocks.sendEmail).toHaveBeenCalledTimes(1);
+      // The implementation passes the logger as the second argument
+      expect(mocks.sendEmail).toHaveBeenCalledWith(jobData, expect.anything());
+    });
+
+    it('should log and re-throw an error if sendEmail fails with a non-Error object', async () => {
+      const job = createMockJob({ to: 'fail@example.com', subject: 'fail', html: '', text: '' });
+      const emailError = 'SMTP server is down'; // Reject with a string
+      mocks.sendEmail.mockRejectedValue(emailError);
+
+      await expect(emailProcessor(job)).rejects.toThrow(emailError);
+
+      // The worker should wrap the string in an Error object for logging
+      expect(mockLogger.error).toHaveBeenCalledWith(
+        { err: new Error(emailError), jobData: job.data },
+        `[EmailWorker] Job ${job.id} failed. Attempt ${job.attemptsMade}/${job.opts.attempts}.`,
+      );
+    });
+
+    it('should re-throw an error if sendEmail fails', async () => {
+      const job = createMockJob({ to: 'fail@example.com', subject: 'fail', html: '', text: '' });
+      const emailError = new Error('SMTP server is down');
+      mocks.sendEmail.mockRejectedValue(emailError);
+
+      await expect(emailProcessor(job)).rejects.toThrow('SMTP server is down');
+      expect(mockLogger.error).toHaveBeenCalledWith(
+        { err: emailError, jobData: job.data },
+        `[EmailWorker] Job ${job.id} failed. Attempt ${job.attemptsMade}/${job.opts.attempts}.`,
+      );
+    });
+  });
+
+  describe('analyticsWorker', () => {
+    it('should complete successfully for a valid report date', async () => {
+      vi.useFakeTimers();
+      const job = createMockJob({ reportDate: '2024-01-01' });
+
+      const promise = analyticsProcessor(job);
+      // Advance timers to simulate the 10-second task completing
+      await vi.advanceTimersByTimeAsync(10000);
+      await promise; // Wait for the promise to resolve
+
+      // No error should be thrown
+      expect(true).toBe(true);
+      vi.useRealTimers();
+    });
+
+    it('should throw an error if reportDate is "FAIL"', async () => {
+      const job = createMockJob({ reportDate: 'FAIL' });
+
+      await expect(analyticsProcessor(job)).rejects.toThrow(
+        'This is a test failure for the analytics job.',
+      );
+    });
+  });
+
+  describe('cleanupWorker', () => {
+    it('should call unlink for each path provided in the job data', async () => {
+      const jobData = {
+        flyerId: 123,
+        paths: ['/tmp/file1.jpg', '/tmp/file2.pdf'],
+      };
+      const job = createMockJob(jobData);
+      mocks.unlink.mockResolvedValue(undefined);
+
+      await cleanupProcessor(job);
+
+      expect(mocks.unlink).toHaveBeenCalledTimes(2);
+      expect(mocks.unlink).toHaveBeenCalledWith('/tmp/file1.jpg');
+      expect(mocks.unlink).toHaveBeenCalledWith('/tmp/file2.pdf');
+    });
+
+    it('should not throw an error if a file is already deleted (ENOENT)', async () => {
+      const jobData = {
+        flyerId: 123,
+        paths: ['/tmp/existing.jpg', '/tmp/already-deleted.jpg'],
+      };
+      const job = createMockJob(jobData);
+      // Use the built-in NodeJS.ErrnoException type for mock system errors.
+      const enoentError: NodeJS.ErrnoException = new Error('File not found');
+      enoentError.code = 'ENOENT';
+
+      // First call succeeds, second call fails with ENOENT
+      mocks.unlink.mockResolvedValueOnce(undefined).mockRejectedValueOnce(enoentError);
+
+      // The processor should complete without throwing
+      await expect(cleanupProcessor(job)).resolves.toBeUndefined();
+
+      expect(mocks.unlink).toHaveBeenCalledTimes(2);
+    });
+
+    it('should re-throw an error for issues other than ENOENT (e.g., permissions)', async () => {
+      const jobData = {
+        flyerId: 123,
+        paths: ['/tmp/protected-file.jpg'],
+      };
+      const job = createMockJob(jobData);
+      // Use the built-in NodeJS.ErrnoException type for mock system errors.
+      const permissionError: NodeJS.ErrnoException = new Error('Permission denied');
+      permissionError.code = 'EACCES';
+
+      mocks.unlink.mockRejectedValue(permissionError);
+
+      await expect(cleanupProcessor(job)).rejects.toThrow('Permission denied');
+
+      // Verify the error was logged by the worker's catch block
+      expect(mockLogger.error).toHaveBeenCalledWith(
+        { err: permissionError },
+        expect.stringContaining(
+          `[CleanupWorker] Job ${job.id} for flyer ${job.data.flyerId} failed.`,
+        ),
+      );
+    });
+  });
+
+  describe('weeklyAnalyticsWorker', () => {
+    it('should complete successfully for a valid report date', async () => {
+      vi.useFakeTimers();
+      const job = createMockJob({ reportYear: 2024, reportWeek: 1 });
+
+      const promise = weeklyAnalyticsProcessor(job);
+      // Advance timers to simulate the 30-second task completing
+      await vi.advanceTimersByTimeAsync(30000);
+      await promise; // Wait for the promise to resolve
+
+      // No error should be thrown
+      expect(true).toBe(true);
+      vi.useRealTimers();
+    });
+
+    it('should re-throw an error if the job fails', async () => {
+      vi.useFakeTimers();
+      const job = createMockJob({ reportYear: 2024, reportWeek: 1 });
+      // Mock the internal logic to throw an error
+      const originalSetTimeout = setTimeout;
+      vi.spyOn(global, 'setTimeout').mockImplementation((callback, ms) => {
+        if (ms === 30000) {
+          // Target the simulated delay
+          throw new Error('Weekly analytics job failed');
+        }
+        return originalSetTimeout(callback, ms);
+      });
+
+      await expect(weeklyAnalyticsProcessor(job)).rejects.toThrow('Weekly analytics job failed');
+      vi.useRealTimers();
+      vi.restoreAllMocks(); // Restore setTimeout mock
+    });
+  });
+
+  describe('tokenCleanupWorker', () => {
+    it('should call userRepo.deleteExpiredResetTokens and return the count', async () => {
+      const job = createMockJob({ timestamp: new Date().toISOString() });
+      mocks.deleteExpiredResetTokens.mockResolvedValue(10);
+
+      const result = await tokenCleanupProcessor(job);
+
+      expect(mocks.deleteExpiredResetTokens).toHaveBeenCalledTimes(1);
+      expect(result).toEqual({ deletedCount: 10 });
+    });
+
+    it('should re-throw an error if the database call fails', async () => {
+      const job = createMockJob({ timestamp: new Date().toISOString() });
+      const dbError = new Error('DB cleanup failed');
+      mocks.deleteExpiredResetTokens.mockRejectedValue(dbError);
+      await expect(tokenCleanupProcessor(job)).rejects.toThrow(dbError);
+    });
+  });
+});

src/services/workers.server.ts

@@ -0,0 +1,344 @@
+import { Worker, Job, UnrecoverableError } from 'bullmq';
+import fsPromises from 'node:fs/promises';
+import { exec } from 'child_process';
+import { promisify } from 'util';
+
+import { logger } from './logger.server';
+import { connection } from './redis.server';
+import { aiService } from './aiService.server';
+import * as emailService from './emailService.server';
+import * as db from './db/index.db';
+import {
+  FlyerProcessingService,
+  type FlyerJobData,
+  type IFileSystem,
+} from './flyerProcessingService.server';
+import { FlyerDataTransformer } from './flyerDataTransformer';
+import {
+  flyerQueue,
+  emailQueue,
+  analyticsQueue,
+  weeklyAnalyticsQueue,
+  cleanupQueue,
+  tokenCleanupQueue,
+  type EmailJobData,
+  type AnalyticsJobData,
+  type CleanupJobData,
+  type WeeklyAnalyticsJobData,
+  type TokenCleanupJobData,
+} from './queues.server';
+
+const execAsync = promisify(exec);
+
+// --- Worker Instantiation ---
+
+const fsAdapter: IFileSystem = {
+  readdir: (path: string, options: { withFileTypes: true }) => fsPromises.readdir(path, options),
+  unlink: (path: string) => fsPromises.unlink(path),
+};
+
+const flyerProcessingService = new FlyerProcessingService(
+  aiService,
+  db,
+  fsAdapter,
+  execAsync,
+  cleanupQueue,
+  new FlyerDataTransformer(),
+);
+
+const normalizeError = (error: unknown): Error => {
+  return error instanceof Error ? error : new Error(String(error));
+};
+
+const attachWorkerEventListeners = (worker: Worker) => {
+  worker.on('completed', (job: Job, returnValue: unknown) => {
+    logger.info({ returnValue }, `[${worker.name}] Job ${job.id} completed successfully.`);
+  });
+
+  worker.on('failed', (job: Job | undefined, error: Error) => {
+    logger.error(
+      { err: error, jobData: job?.data },
+      `[${worker.name}] Job ${job?.id} has ultimately failed after all attempts.`,
+    );
+  });
+};
+
+export const flyerWorker = new Worker<FlyerJobData>(
+  'flyer-processing',
+  async (job) => {
+    try {
+      return await flyerProcessingService.processJob(job);
+    } catch (error: unknown) {
+      const wrappedError = normalizeError(error);
+      const errorMessage = wrappedError.message || '';
+      if (
+        errorMessage.includes('quota') ||
+        errorMessage.includes('429') ||
+        errorMessage.includes('RESOURCE_EXHAUSTED')
+      ) {
+        logger.error(
+          { err: wrappedError, jobId: job.id },
+          '[FlyerWorker] Unrecoverable quota error detected. Failing job immediately.',
+        );
+        throw new UnrecoverableError(errorMessage);
+      }
+      throw error;
+    }
+  },
+  {
+    connection,
+    concurrency: parseInt(process.env.WORKER_CONCURRENCY || '1', 10),
+  },
+);
+
+export const emailWorker = new Worker<EmailJobData>(
+  'email-sending',
+  async (job: Job<EmailJobData>) => {
+    const { to, subject } = job.data;
+    const jobLogger = logger.child({ jobId: job.id, jobName: job.name });
+    jobLogger.info({ to, subject }, `[EmailWorker] Sending email for job ${job.id}`);
+    try {
+      await emailService.sendEmail(job.data, jobLogger);
+    } catch (error: unknown) {
+      const wrappedError = normalizeError(error);
+      logger.error(
+        {
+          err: wrappedError,
+          jobData: job.data,
+        },
+        `[EmailWorker] Job ${job.id} failed. Attempt ${job.attemptsMade}/${job.opts.attempts}.`,
+      );
+      throw wrappedError;
+    }
+  },
+  {
+    connection,
+    concurrency: parseInt(process.env.EMAIL_WORKER_CONCURRENCY || '10', 10),
+  },
+);
+
+export const analyticsWorker = new Worker<AnalyticsJobData>(
+  'analytics-reporting',
+  async (job: Job<AnalyticsJobData>) => {
+    const { reportDate } = job.data;
+    logger.info({ reportDate }, `[AnalyticsWorker] Starting report generation for job ${job.id}`);
+    try {
+      if (reportDate === 'FAIL') {
+        throw new Error('This is a test failure for the analytics job.');
+      }
+      await new Promise((resolve) => setTimeout(resolve, 10000));
+      logger.info(`[AnalyticsWorker] Successfully generated report for ${reportDate}.`);
+    } catch (error: unknown) {
+      const wrappedError = normalizeError(error);
+      logger.error({ err: wrappedError, jobData: job.data },
+        `[AnalyticsWorker] Job ${job.id} failed. Attempt ${job.attemptsMade}/${job.opts.attempts}.`,
+      );
+      throw wrappedError;
+    }
+  },
+  {
+    connection,
+    concurrency: parseInt(process.env.ANALYTICS_WORKER_CONCURRENCY || '1', 10),
+  },
+);
+
+export const cleanupWorker = new Worker<CleanupJobData>(
+  'file-cleanup',
+  async (job: Job<CleanupJobData>) => {
+    const { flyerId, paths } = job.data;
+    logger.info(
+      { paths },
+      `[CleanupWorker] Starting file cleanup for job ${job.id} (Flyer ID: ${flyerId})`,
+    );
+
+    try {
+      if (!paths || paths.length === 0) {
+        logger.warn(
+          `[CleanupWorker] Job ${job.id} for flyer ${flyerId} received no paths to clean. Skipping.`,
+        );
+        return;
+      }
+
+      for (const filePath of paths) {
+        try {
+          await fsAdapter.unlink(filePath);
+          logger.info(`[CleanupWorker] Deleted temporary file: ${filePath}`);
+        } catch (unlinkError: unknown) {
+          if (
+            unlinkError instanceof Error &&
+            'code' in unlinkError &&
+            (unlinkError as any).code === 'ENOENT'
+          ) {
+            logger.warn(
+              `[CleanupWorker] File not found during cleanup (already deleted?): ${filePath}`,
+            );
+          } else {
+            throw unlinkError;
+          }
+        }
+      }
+      logger.info(
+        `[CleanupWorker] Successfully cleaned up ${paths.length} file(s) for flyer ${flyerId}.`,
+      );
+    } catch (error: unknown) {
+      const wrappedError = normalizeError(error);
+      logger.error(
+        { err: wrappedError },
+        `[CleanupWorker] Job ${job.id} for flyer ${flyerId} failed. Attempt ${job.attemptsMade}/${job.opts.attempts}.`,
+      );
+      throw wrappedError;
+    }
+  },
+  {
+    connection,
+    concurrency: parseInt(process.env.CLEANUP_WORKER_CONCURRENCY || '10', 10),
+  },
+);
+
+export const weeklyAnalyticsWorker = new Worker<WeeklyAnalyticsJobData>(
+  'weekly-analytics-reporting',
+  async (job: Job<WeeklyAnalyticsJobData>) => {
+    const { reportYear, reportWeek } = job.data;
+    logger.info(
+      { reportYear, reportWeek },
+      `[WeeklyAnalyticsWorker] Starting weekly report generation for job ${job.id}`,
+    );
+    try {
+      await new Promise((resolve) => setTimeout(resolve, 30000));
+      logger.info(
+        `[WeeklyAnalyticsWorker] Successfully generated weekly report for week ${reportWeek}, ${reportYear}.`,
+      );
+    } catch (error: unknown) {
+      const wrappedError = normalizeError(error);
+      logger.error(
+        { err: wrappedError, jobData: job.data },
+        `[WeeklyAnalyticsWorker] Job ${job.id} failed. Attempt ${job.attemptsMade}/${job.opts.attempts}.`,
+      );
+      throw wrappedError;
+    }
+  },
+  {
+    connection,
+    concurrency: parseInt(process.env.WEEKLY_ANALYTICS_WORKER_CONCURRENCY || '1', 10),
+  },
+);
+
+export const tokenCleanupWorker = new Worker<TokenCleanupJobData>(
+  'token-cleanup',
+  async (job: Job<TokenCleanupJobData>) => {
+    const jobLogger = logger.child({ jobId: job.id, jobName: job.name });
+    jobLogger.info('[TokenCleanupWorker] Starting cleanup of expired password reset tokens.');
+    try {
+      const deletedCount = await db.userRepo.deleteExpiredResetTokens(jobLogger);
+      jobLogger.info(`[TokenCleanupWorker] Successfully deleted ${deletedCount} expired tokens.`);
+      return { deletedCount };
+    } catch (error: unknown) {
+      const wrappedError = normalizeError(error);
+      jobLogger.error({ err: wrappedError }, `[TokenCleanupWorker] Job ${job.id} failed.`);
+      throw wrappedError;
+    }
+  },
+  {
+    connection,
+    concurrency: 1,
+  },
+);
+
+attachWorkerEventListeners(flyerWorker);
+attachWorkerEventListeners(emailWorker);
+attachWorkerEventListeners(analyticsWorker);
+attachWorkerEventListeners(cleanupWorker);
+attachWorkerEventListeners(weeklyAnalyticsWorker);
+attachWorkerEventListeners(tokenCleanupWorker);
+
+logger.info('All workers started and listening for jobs.');
+
+const SHUTDOWN_TIMEOUT = 30000; // 30 seconds
+
+export const gracefulShutdown = async (signal: string) => {
+  logger.info(
+    `[Shutdown] Received ${signal}. Initiating graceful shutdown (timeout: ${SHUTDOWN_TIMEOUT / 1000}s)...`,
+  );
+
+  const shutdownPromise = (async () => {
+    let hasErrors = false;
+
+    // Helper function to close a group of resources and log results
+    const closeResources = async (resources: { name: string; close: () => Promise<any> }[], type: string) => {
+      logger.info(`[Shutdown] Closing all ${type}...`);
+      const results = await Promise.allSettled(resources.map((r) => r.close()));
+      let groupHasErrors = false;
+
+      results.forEach((result, index) => {
+        if (result.status === 'rejected') {
+          groupHasErrors = true;
+          logger.error(
+            { err: result.reason, resource: resources[index].name },
+            `[Shutdown] Error closing ${resources[index].name}.`,
+          );
+        }
+      });
+
+      if (!groupHasErrors) logger.info(`[Shutdown] All ${type} closed successfully.`);
+      return groupHasErrors;
+    };
+
+    // Define resource groups for sequential shutdown
+    const workerResources = [
+      { name: 'flyerWorker', close: () => flyerWorker.close() },
+      { name: 'emailWorker', close: () => emailWorker.close() },
+      { name: 'analyticsWorker', close: () => analyticsWorker.close() },
+      { name: 'cleanupWorker', close: () => cleanupWorker.close() },
+      { name: 'weeklyAnalyticsWorker', close: () => weeklyAnalyticsWorker.close() },
+      { name: 'tokenCleanupWorker', close: () => tokenCleanupWorker.close() },
+    ];
+
+    const queueResources = [
+      { name: 'flyerQueue', close: () => flyerQueue.close() },
+      { name: 'emailQueue', close: () => emailQueue.close() },
+      { name: 'analyticsQueue', close: () => analyticsQueue.close() },
+      { name: 'cleanupQueue', close: () => cleanupQueue.close() },
+      { name: 'weeklyAnalyticsQueue', close: () => weeklyAnalyticsQueue.close() },
+      { name: 'tokenCleanupQueue', close: () => tokenCleanupQueue.close() },
+    ];
+
+    // 1. Close workers first
+    if (await closeResources(workerResources, 'workers')) hasErrors = true;
+
+    // 2. Then close queues
+    if (await closeResources(queueResources, 'queues')) hasErrors = true;
+
+    // 3. Finally, close the Redis connection
+    logger.info('[Shutdown] Closing Redis connection...');
+    try {
+      await connection.quit();
+      logger.info('[Shutdown] Redis connection closed successfully.');
+    } catch (err) {
+      hasErrors = true;
+      logger.error({ err, resource: 'redisConnection' }, `[Shutdown] Error closing Redis connection.`);
+    }
+
+    return hasErrors;
+  })();
+
+  const timeoutPromise = new Promise<string>((resolve) =>
+    setTimeout(() => resolve('timeout'), SHUTDOWN_TIMEOUT),
+  );
+
+  const result = await Promise.race([shutdownPromise, timeoutPromise]);
+
+  if (result === 'timeout') {
+    logger.error(
+      `[Shutdown] Graceful shutdown timed out after ${SHUTDOWN_TIMEOUT / 1000} seconds. Forcing exit.`,
+    );
+    process.exit(1);
+  } else {
+    const hasErrors = result as boolean;
+    if (!hasErrors) {
+      logger.info('[Shutdown] All resources closed successfully.');
+    } else {
+      logger.warn('[Shutdown] Graceful shutdown completed with errors.');
+    }
+    process.exit(hasErrors ? 1 : 0);
+  }
+};

src/tests/integration/price.integration.test.ts

@@ -56,15 +56,15 @@ describe('Price History API Integration Test (/api/price-history)', () => {
 
     // 4. Create flyer items linking the master item to the flyers with prices
     await pool.query(
-      `INSERT INTO public.flyer_items (flyer_id, master_item_id, item, price_in_cents, price_display) VALUES ($1, $2, 'Apples', 199, '$1.99')`,
+      `INSERT INTO public.flyer_items (flyer_id, master_item_id, item, price_in_cents, price_display, quantity) VALUES ($1, $2, 'Apples', 199, '$1.99', '1')`,
       [flyerId1, masterItemId],
     );
     await pool.query(
-      `INSERT INTO public.flyer_items (flyer_id, master_item_id, item, price_in_cents, price_display) VALUES ($1, $2, 'Apples', 249, '$2.49')`,
+      `INSERT INTO public.flyer_items (flyer_id, master_item_id, item, price_in_cents, price_display, quantity) VALUES ($1, $2, 'Apples', 249, '$2.49', '1')`,
       [flyerId2, masterItemId],
     );
     await pool.query(
-      `INSERT INTO public.flyer_items (flyer_id, master_item_id, item, price_in_cents, price_display) VALUES ($1, $2, 'Apples', 299, '$2.99')`,
+      `INSERT INTO public.flyer_items (flyer_id, master_item_id, item, price_in_cents, price_display, quantity) VALUES ($1, $2, 'Apples', 299, '$2.99', '1')`,
       [flyerId3, masterItemId],
     );
   });

src/utils/zodUtils.ts

@@ -59,7 +59,6 @@ export const optionalNumeric = (
     nonnegative?: boolean;
   } = {},
 ) => {
-  // Start with the base number schema and apply all number-specific constraints first.
   let numberSchema = z.coerce.number();
 
   if (options.integer) numberSchema = numberSchema.int();
@@ -69,15 +68,18 @@ export const optionalNumeric = (
   if (options.min !== undefined) numberSchema = numberSchema.min(options.min);
   if (options.max !== undefined) numberSchema = numberSchema.max(options.max);
 
-  // Now, wrap the fully configured number schema with the preprocess step.
+  // Make the number schema optional *before* preprocessing. This allows it to correctly handle
+  // the `undefined` value that our preprocessor generates from `null`.
+  const optionalNumberSchema = numberSchema.optional();
+
   // This is crucial because z.coerce.number(null) results in 0, which bypasses
   // the .optional() and .default() logic for null inputs. We want null to be
   // treated as "not provided", just like undefined.
-  const schema = z.preprocess((val) => (val === null ? undefined : val), numberSchema);
+  const schema = z.preprocess((val) => (val === null ? undefined : val), optionalNumberSchema);
   
-  if (options.default !== undefined) return schema.optional().default(options.default);
+  if (options.default !== undefined) return schema.default(options.default);
 
-  return schema.optional();
+  return schema;
 };
 
 /**