feat(a0): 完成工程骨架与契约基线

- 建立 pnpm workspace + Turborepo 单仓、ESLint 9/Prettier/commitlint/husky 门禁
- NestJS + Fastify API：统一错误体、trace_id、Zod 管道、/health 真实依赖探活、OpenAPI 3.1 契约
- Prisma 基线：outbox_events/idempotency_keys/system_configs 与首版迁移、幂等种子
- shared 契约包：错误码、权限点、ULID、游标分页、命名/时间工具
- ui 包与 Web 壳层：Semi + Remix 图标统一出口、Cloud Blue 视觉、登录/工作台/错误页
- worker 骨架、Playwright 冒烟、Gitea CI、OpenAPI 快照与 oasdiff 回退脚本
- 补充 A0 实施报告与本地开发说明

apps/web/package.json

@@ -0,0 +1,35 @@
+{
+  "name": "@lingxi/web",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc -p tsconfig.json --noEmit && vite build",
+    "preview": "vite preview --port 4173 --strictPort",
+    "typecheck": "tsc -p tsconfig.json --noEmit",
+    "test": "vitest run --coverage"
+  },
+  "dependencies": {
+    "@douyinfe/semi-ui-19": "2.104.0",
+    "@lingxi/shared": "workspace:*",
+    "@lingxi/ui": "workspace:*",
+    "@tanstack/react-query": "5.105.1",
+    "react": "19.3.1",
+    "react-dom": "19.3.1",
+    "react-router": "7.18.5",
+    "zod": "3.25.76",
+    "zustand": "5.0.16"
+  },
+  "devDependencies": {
+    "@testing-library/react": "16.3.3",
+    "@types/react": "19.3.0",
+    "@types/react-dom": "19.3.0",
+    "@vitejs/plugin-react": "5.2.0",
+    "@vitest/coverage-v8": "3.2.7",
+    "jsdom": "28.1.0",
+    "typescript": "5.9.3",
+    "vite": "6.4.5",
+    "vitest": "3.2.7"
+  }
+}