move AI flyer processing to background BullMQ jobs using redis for storage

package.json

@@ -17,18 +17,24 @@
     "start:dev": "tsx --env-file .env.test server.ts",
     "start:prod": "tsx --env-file .env server.ts",
     "start:test": "NODE_V8_COVERAGE=.coverage/tmp/integration-server tsx --env-file .env.test server.ts",
-    "db:reset:test": "tsx --env-file .env.test src/db/seed.ts"
+    "db:reset:test": "tsx --env-file .env.test src/db/seed.ts",
+    "worker:dev": "tsx --env-file .env.test src/services/queueService.server.ts",
+    "worker:prod": "tsx --env-file .env src/services/queueService.server.ts"
   },
   "dependencies": {
+    "@bull-board/api": "^6.14.2",
+    "@bull-board/express": "^6.14.2",
     "@google/genai": "^1.30.0",
     "@types/connect-timeout": "^1.9.0",
     "bcrypt": "^5.1.1",
+    "bullmq": "^5.65.1",
     "connect-timeout": "^1.9.1",
     "cookie-parser": "^1.4.7",
     "date-fns": "^4.1.0",
     "express": "^5.1.0",
     "express-list-endpoints": "^7.1.1",
     "express-rate-limit": "^8.2.1",
+    "ioredis": "^5.8.2",
     "jsonwebtoken": "^9.0.2",
     "lucide-react": "^0.555.0",
     "msw": "^2.12.3",
@@ -40,6 +46,7 @@
     "passport-google-oauth20": "^2.0.0",
     "passport-jwt": "^4.0.1",
     "passport-local": "^1.0.0",
+    "pdf-poppler": "^0.2.3",
     "pdfjs-dist": "^5.4.394",
     "pg": "^8.16.3",
     "react": "^19.2.0",