refactor: 移除多余依赖，统一 MUI 为唯一 UI 库

- 移除 radix-ui、clsx、tailwind-merge、class-variance-authority、react-router-dom

- 前后端全面适配 MUI 组件，清理残留 Tailwind 工具类引用

- 优化 Agent Loop 引擎、IPC 处理器、Provider Adapter 等后端模块

- 新增 Agent 网络工具通用设计文档 v2

package.json

@@ -28,8 +28,6 @@
     "@mui/icons-material": "^9.1.1",
     "@mui/material": "^9.1.2",
     "better-sqlite3": "^11.9.1",
-    "class-variance-authority": "^0.7.1",
-    "clsx": "^2.1.1",
     "date-fns": "^4.1.0",
     "electron-log": "^5.3.3",
     "electron-store": "^10.0.1",
@@ -37,16 +35,13 @@
     "lru-cache": "^11.1.0",
     "metona-toast": "^2.0.0",
     "nanoid": "^5.1.5",
-    "radix-ui": "^1.6.0",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
     "react-markdown": "^10.1.0",
-    "react-router-dom": "^7.6.1",
     "rehype-highlight": "^7.0.2",
     "rehype-raw": "^7.0.0",
     "remark-gfm": "^4.0.1",
     "sql.js": "^1.12.0",
-    "tailwind-merge": "^3.6.0",
     "zod": "^3.25.67",
     "zustand": "^5.0.5"
   },