feat: 系统优化 - ESLint、Tailwind、前端健壮性、后端工程化、运维可观测性

- 前端: ESLint+Prettier配置、Tailwind v4配置、ErrorBoundary、全局AuthLoader优化、ReactQuery分层
- 后端: MinIO凭证移除、Docker统一为govai品牌、zerolog日志封装、错误码枚举、文件上传校验、单元测试(13项全通过)
- 运维: 健康检查增强(PG/Redis ping)、Prometheus指标(/metrics端点)、多租户tenant包、RateLimit nil防御
- 移动: citation_prompt.txt → internal/assets/

apps/web/package.json

@@ -29,13 +29,18 @@
     "zustand": "^5.0.13"
   },
   "devDependencies": {
+    "@eslint/js": "^10.0.1",
     "@tailwindcss/postcss": "^4",
     "@types/node": "^20",
     "@types/react": "^19",
     "@types/react-dom": "^19",
-    "eslint": "^9",
+    "eslint": "^9.39.4",
     "eslint-config-next": "16.2.6",
+    "eslint-config-prettier": "^10.1.8",
+    "eslint-plugin-prettier": "^5.5.6",
+    "prettier": "^3.8.4",
     "tailwindcss": "^4",
-    "typescript": "^5"
+    "typescript": "^5",
+    "typescript-eslint": "^8.62.0"
   }
 }