feat: 添加 Tauri 桌面应用

- 创建 packages/desktop 模块
- 实现 Tauri 2.0 + React 桌面应用
- 复用 Web 前端代码
- 添加系统托盘功能
- 实现本地文件访问命令
- 配置 Vite + Tauri 集成
- 更新 .gitignore 添加 Rust/Tauri 相关规则

packages/desktop/vite.config.ts

@@ -0,0 +1,47 @@
+import { defineConfig } from 'vite';
+import react from '@vitejs/plugin-react';
+import path from 'path';
+
+const host = process.env.TAURI_DEV_HOST;
+
+export default defineConfig({
+  plugins: [react()],
+  resolve: {
+    alias: {
+      '@': path.resolve(__dirname, './src'),
+    },
+  },
+  clearScreen: false,
+  server: {
+    port: 5199,
+    strictPort: true,
+    host: host || false,
+    hmr: host
+      ? {
+          protocol: 'ws',
+          host,
+          port: 5200,
+        }
+      : undefined,
+    watch: {
+      ignored: ['**/src-tauri/**'],
+    },
+    proxy: {
+      '/api': {
+        target: 'http://localhost:3000',
+        changeOrigin: true,
+      },
+      '/health': {
+        target: 'http://localhost:3000',
+        changeOrigin: true,
+      },
+    },
+  },
+  envPrefix: ['VITE_', 'TAURI_'],
+  build: {
+    target: process.env.TAURI_PLATFORM === 'windows' ? 'chrome105' : 'safari13',
+    minify: !process.env.TAURI_DEBUG ? 'esbuild' : false,
+    sourcemap: !!process.env.TAURI_DEBUG,
+    outDir: 'dist',
+  },
+});