feat: 累积功能变更 — 聊天集成、租户管理、小程序更新、ETL 增强、迁移脚本

包含多个会话的累积代码变更：
- backend: AI 聊天服务、触发器调度、认证增强、WebSocket、调度器最小间隔
- admin-web: ETL 状态页、任务管理、调度配置、登录优化
- miniprogram: 看板页面、聊天集成、UI 组件、导航更新
- etl: DWS 新任务（finance_area_daily/board_cache）、连接器增强
- tenant-admin: 项目初始化
- db: 19 个迁移脚本（etl_feiqiu 11 + zqyy_app 8）
- packages/shared: 枚举和工具函数更新
- tools: 数据库工具、报表生成、健康检查
- docs: PRD/架构/部署/合约文档更新

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

apps/admin-web/package.json

@@ -9,7 +9,8 @@
     "preview": "vite preview",
     "test": "vitest run",
     "test:watch": "vitest",
-    "lint": "tsc --noEmit"
+    "lint": "tsc --noEmit",
+    "e2e": "playwright test"
   },
   "dependencies": {
     "@ant-design/icons": "^5.6.1",
@@ -22,11 +23,13 @@
     "zustand": "^5.0.5"
   },
   "devDependencies": {
+    "@playwright/test": "^1.58.2",
     "@testing-library/jest-dom": "^6.6.3",
     "@testing-library/react": "^16.3.0",
     "@types/react": "^19.1.4",
     "@types/react-dom": "^19.1.5",
     "@vitejs/plugin-react": "^4.5.2",
+    "fast-check": "^4.6.0",
     "jsdom": "^26.1.0",
     "typescript": "~5.8.3",
     "vite": "^6.3.5",