feat(web): restore payload CMS (cuidecar pattern + importMap)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/broker/package.json

@@ -15,11 +15,13 @@
   },
   "prettier": "@turbostarter/prettier-config",
   "dependencies": {
+    "@qdrant/js-client-rest": "1.17.0",
     "@turbostarter/db": "workspace:*",
     "@turbostarter/shared": "workspace:*",
     "drizzle-orm": "0.44.7",
     "libsodium-wrappers": "0.7.15",
     "minio": "8.0.7",
+    "neo4j-driver": "6.0.1",
     "ws": "8.20.0",
     "zod": "catalog:"
   },