feat(web): 构建漂流瓶移动端 PWA

- 演示登录、内存令牌、单 Promise 刷新与路由守卫\n- 投瓶、捞瓶、首次回复、会话与实时聊天\n- 独立管理员登录与审核/举报工作台\n- Socket 认证续期、断线补齐与账号切换清理\n- PWA 离线壳、深海主题与移动端无障碍

apps/web/tsconfig.json

@@ -0,0 +1,16 @@
+{
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "composite": false,
+    "lib": ["ES2022", "DOM", "DOM.Iterable"],
+    "module": "ESNext",
+    "moduleResolution": "Bundler",
+    "types": ["vite/client", "vitest/globals", "@testing-library/jest-dom"]
+  },
+  "include": [
+    "src/**/*.ts",
+    "src/**/*.vue",
+    "vite.config.ts",
+    "vitest.config.ts"
+  ]
+}