fix: restore native text context menu

electron/main/context-menu.ts

@@ -0,0 +1,52 @@
+import { Menu } from 'electron';
+import type { BrowserWindow } from 'electron';
+
+export type TextContextMenuContext = Pick<
+  Electron.ContextMenuParams,
+  'isEditable' | 'selectionText' | 'editFlags'
+>;
+
+export function createTextContextMenuTemplate(
+  context: TextContextMenuContext,
+): Electron.MenuItemConstructorOptions[] | null {
+  if (!context.isEditable && context.selectionText.length === 0) {
+    return null;
+  }
+
+  return [
+    {
+      label: '剪切',
+      role: 'cut',
+      enabled: context.isEditable && context.editFlags.canCut,
+    },
+    {
+      label: '复制',
+      role: 'copy',
+      enabled: context.editFlags.canCopy,
+    },
+    {
+      label: '粘贴',
+      role: 'paste',
+      enabled: context.isEditable && context.editFlags.canPaste,
+    },
+    { type: 'separator' },
+    {
+      label: '全选',
+      role: 'selectAll',
+      enabled: context.editFlags.canSelectAll,
+    },
+  ];
+}
+
+export function registerTextContextMenu(win: BrowserWindow): void {
+  win.webContents.on('context-menu', (_event, params) => {
+    const template = createTextContextMenuTemplate(params);
+    if (!template) return;
+
+    Menu.buildFromTemplate(template).popup({
+      window: win,
+      frame: params.frame ?? undefined,
+      sourceType: params.menuSourceType,
+    });
+  });
+}

electron/main/index.ts

@@ -9,6 +9,7 @@ import { join } from 'node:path';
 import { registerIpcHandlers } from './ipc-handlers';
 import { createTray } from './tray';
 import { createMenu } from './menu';
+import { registerTextContextMenu } from './context-menu';
 import { registerZoomShortcuts } from './zoom-shortcuts';
 import { getNativeWindowMaterialOptions } from './window-material';
 
@@ -272,6 +273,7 @@ function createWindow(): BrowserWindow {
   });
 
   installMediaPermissionHandler(win);
+  registerTextContextMenu(win);
   registerZoomShortcuts(win);
 
   // Handle external links — only allow safe protocols to prevent arbitrary