feat: disable default context menu except input fields

tauri-app/src/main.tsx

@@ -5,6 +5,17 @@ import App from './App';
 import './styles/variables.css';
 import './styles/global.css';
 
+// 全局禁用浏览器默认右键菜单，提升桌面应用质感
+// 输入框/文本区自动放行（保留复制/粘贴/全选）
+document.addEventListener('contextmenu', (e) => {
+  const target = e.target as HTMLElement;
+  const tag = target.tagName.toLowerCase();
+  const isInput = tag === 'input' || tag === 'textarea' || target.isContentEditable;
+  if (!isInput) {
+    e.preventDefault();
+  }
+});
+
 ReactDOM.createRoot(document.getElementById('root') as HTMLElement).render(
   <React.StrictMode>
     <BrowserRouter>