✨ feat(query-editor): 支持查询重命名导出与保存快捷键

- 支持已保存查询重命名并同步当前标签标题

- 新增 SQL 文件导出接口、Wails 绑定和浏览器 mock

- 补充 Ctrl/Cmd+S 保存查询与 Ctrl+, 快捷键入口修复

- 覆盖 SQL 编辑器保存、导出和快捷键回归测试

frontend/src/App.tsx

@@ -2953,9 +2953,9 @@ function App() {
           }
       };
 
-      window.addEventListener('keydown', handleGlobalShortcut);
+      window.addEventListener('keydown', handleGlobalShortcut, true);
       return () => {
-          window.removeEventListener('keydown', handleGlobalShortcut);
+          window.removeEventListener('keydown', handleGlobalShortcut, true);
       };
   }, [activeShortcutPlatform, handleCreateConnection, handleManualResetWindowZoom, handleNewQuery, handleTitleBarWindowToggle, handleToggleLogPanel, isMacRuntime, shortcutOptions, themeMode, setTheme, toggleAIPanel, useNativeMacWindowControls]);