fix(share): wxacodeUrl 改用 useRef 避免压缩后引用丢失

frontend/vite.config.ts

@@ -28,6 +28,11 @@ export default defineConfig(({ mode }) => {
     // File types to support raw imports. Never add .css, .tsx, or .ts files to this.
     assetsInclude: ['**/*.svg', '**/*.csv'],
 
+    build: {
+      // 使用 esbuild 代替 terser 避免变量名 mangling 导致 ReferenceError
+      minify: 'esbuild',
+    },
+
     server: {
       host: '0.0.0.0',
       allowedHosts: ['.trycloudflare.com', '.loca.lt'],