feat: configure Tauri build system and app metadata

- Update Vite config for Tauri integration
- Configure package.json scripts for Tauri commands
- Generate multi-platform app icons
- Update app metadata and window configuration

package.json

@@ -4,16 +4,17 @@
   "description": "Claude Code 供应商切换工具",
   "main": "dist/main/index.js",
   "scripts": {
-    "dev": "concurrently -k \"npm:dev:renderer\" \"npm:dev:electron:watch\"",
+    "dev": "pnpm tauri dev",
+    "build": "pnpm tauri build",
+    "tauri": "tauri",
+    "dev:renderer": "vite",
+    "build:renderer": "vite build",
     "dev:electron": "tsc -p tsconfig.main.json && electron .",
     "dev:electron:watch": "tsc -p tsconfig.main.json && concurrently -k \"tsc -w -p tsconfig.main.json\" \"npm:electron\"",
     "electron": "electron .",
-    "dev:renderer": "vite",
-    "build": "npm run build:renderer && npm run build:main",
     "build:main": "tsc -p tsconfig.main.json",
-    "build:renderer": "vite build",
-    "start": "electron .",
-    "dist": "electron-builder"
+    "start:electron": "electron .",
+    "dist:electron": "electron-builder"
   },
   "keywords": [],
   "author": "Jason Young",