feat(server): 完成 P2 后端能力（支付幂等、委派回收、OCR异步、审计）

server/package.json

@@ -14,7 +14,9 @@
     "prisma:migrate:deploy": "prisma migrate deploy",
     "seed:config": "node src/scripts/seed-config.js",
     "seed:dev-users": "node src/scripts/seed-dev.js",
-    "seed:dev": "npm run seed:config && npm run seed:dev-users"
+    "seed:dev": "npm run seed:config && npm run seed:dev-users",
+    "job:revoke-expired-delegations": "node src/scripts/revoke-expired-delegations.js",
+    "job:ocr-once": "node src/scripts/run-ocr-once.js"
   },
   "keywords": [],
   "author": "",
@@ -32,7 +34,9 @@
     "fastify-plugin": "^5.1.0",
     "pg": "^8.18.0",
     "prisma": "^7.3.0",
-    "zod": "^4.3.6"
+    "zod": "^4.3.6",
+    "node-cron": "^4.2.1",
+    "tencentcloud-sdk-nodejs": "^4.1.14"
   },
   "devDependencies": {
     "dotenv": "^16.4.5"