fix: 修复右键菜单被主内容区域遮挡的问题

apps/electron/src/main/ipc.ts

@@ -471,6 +471,29 @@ export function registerIpcHandlers(): void {
     })
   })
 
+  // 设置 Electron 原生缩放因子（全局模式）
+  ipcMain.handle(
+    SETTINGS_IPC_CHANNELS.SET_ZOOM_FACTOR,
+    async (event, zoomFactor: number): Promise<void> => {
+      const win = BrowserWindow.fromWebContents(event.sender)
+      if (win) {
+        win.webContents.setZoomFactor(zoomFactor)
+      }
+    }
+  )
+
+  // 获取当前 Electron 原生缩放因子
+  ipcMain.handle(
+    SETTINGS_IPC_CHANNELS.GET_ZOOM_FACTOR,
+    async (event): Promise<number> => {
+      const win = BrowserWindow.fromWebContents(event.sender)
+      if (win) {
+        return win.webContents.getZoomFactor()
+      }
+      return 1.0
+    }
+  )
+
   // ===== 环境检测相关 =====
 
   // 执行环境检测

apps/electron/src/main/lib/settings-service.ts

@@ -7,7 +7,7 @@
 
 import { readFileSync, writeFileSync, existsSync } from 'node:fs'
 import { getSettingsPath } from './config-paths'
-import { DEFAULT_THEME_MODE } from '../../types'
+import { DEFAULT_THEME_MODE, DEFAULT_ZOOM_MODE, DEFAULT_MESSAGE_AREA_ZOOM_LEVEL, DEFAULT_GLOBAL_ZOOM_LEVEL } from '../../types'
 import type { AppSettings } from '../../types'
 
 /**
@@ -21,6 +21,9 @@ export function getSettings(): AppSettings {
   if (!existsSync(filePath)) {
     return {
       themeMode: DEFAULT_THEME_MODE,
+      zoomMode: DEFAULT_ZOOM_MODE,
+      messageAreaZoomLevel: DEFAULT_MESSAGE_AREA_ZOOM_LEVEL,
+      globalZoomLevel: DEFAULT_GLOBAL_ZOOM_LEVEL,
       onboardingCompleted: false,
       environmentCheckSkipped: false,
       notificationsEnabled: true,
@@ -32,6 +35,9 @@ export function getSettings(): AppSettings {
     const data = JSON.parse(raw) as Partial<AppSettings>
     return {
       themeMode: data.themeMode || DEFAULT_THEME_MODE,
+      zoomMode: data.zoomMode || DEFAULT_ZOOM_MODE,
+      messageAreaZoomLevel: data.messageAreaZoomLevel ?? DEFAULT_MESSAGE_AREA_ZOOM_LEVEL,
+      globalZoomLevel: data.globalZoomLevel ?? DEFAULT_GLOBAL_ZOOM_LEVEL,
       agentChannelId: data.agentChannelId,
       agentModelId: data.agentModelId,
       agentWorkspaceId: data.agentWorkspaceId,
@@ -44,6 +50,8 @@ export function getSettings(): AppSettings {
     console.error('[设置] 读取失败:', error)
     return {
       themeMode: DEFAULT_THEME_MODE,
+      zoomMode: DEFAULT_ZOOM_MODE,
+      messageAreaZoomLevel: DEFAULT_MESSAGE_AREA_ZOOM_LEVEL,
       onboardingCompleted: false,
       environmentCheckSkipped: false,
       notificationsEnabled: true,

apps/electron/src/main/menu.ts

@@ -1,4 +1,5 @@
-import { Menu, shell } from 'electron'
+import { Menu, shell, BrowserWindow } from 'electron'
+import { getSettings } from './lib/settings-service'
 
 export function createApplicationMenu(): Menu {
   const isMac = process.platform === 'darwin'
@@ -58,9 +59,33 @@ export function createApplicationMenu(): Menu {
         { role: 'forceReload' as const, label: '强制重新加载' },
         { role: 'toggleDevTools' as const, label: '切换开发者工具' },
         { type: 'separator' as const },
-        { role: 'resetZoom' as const, label: '重置缩放' },
-        { role: 'zoomIn' as const, label: '放大' },
-        { role: 'zoomOut' as const, label: '缩小' },
+        {
+          label: '重置缩放',
+          accelerator: 'CommandOrControl+0',
+          click: (_menuItem, browserWindow) => {
+            if (!browserWindow || !(browserWindow instanceof BrowserWindow)) return
+            // 统一发送 IPC 事件，由渲染进程根据模式处理
+            browserWindow.webContents.send('zoom:reset')
+          },
+        },
+        {
+          label: '放大',
+          accelerator: 'CommandOrControl+Plus',
+          click: (_menuItem, browserWindow) => {
+            if (!browserWindow || !(browserWindow instanceof BrowserWindow)) return
+            // 统一发送 IPC 事件，由渲染进程根据模式处理
+            browserWindow.webContents.send('zoom:in')
+          },
+        },
+        {
+          label: '缩小',
+          accelerator: 'CommandOrControl+-',
+          click: (_menuItem, browserWindow) => {
+            if (!browserWindow || !(browserWindow instanceof BrowserWindow)) return
+            // 统一发送 IPC 事件，由渲染进程根据模式处理
+            browserWindow.webContents.send('zoom:out')
+          },
+        },
         { type: 'separator' as const },
         { role: 'togglefullscreen' as const, label: '切换全屏' },
       ],

apps/electron/src/preload/index.ts

@@ -204,6 +204,12 @@ export interface ElectronAPI {
   /** 订阅系统主题变化事件（返回清理函数） */
   onSystemThemeChanged: (callback: (isDark: boolean) => void) => () => void
 
+  /** 设置 Electron 原生缩放因子（全局模式） */
+  setZoomFactor: (zoomFactor: number) => Promise<void>
+
+  /** 获取当前 Electron 原生缩放因子 */
+  getZoomFactor: () => Promise<number>
+
   // ===== 环境检测相关 =====
 
   /** 执行环境检测 */
@@ -421,6 +427,17 @@ export interface ElectronAPI {
   // 工作区文件变化通知
   onCapabilitiesChanged: (callback: () => void) => () => void
   onWorkspaceFilesChanged: (callback: () => void) => () => void
+
+  // ===== 缩放事件订阅（返回清理函数） =====
+
+  /** 订阅放大事件 */
+  onZoomIn: (callback: () => void) => () => void
+
+  /** 订阅缩小事件 */
+  onZoomOut: (callback: () => void) => () => void
+
+  /** 订阅重置缩放事件 */
+  onZoomReset: (callback: () => void) => () => void
 }
 
 /**
@@ -590,6 +607,14 @@ const electronAPI: ElectronAPI = {
     return () => { ipcRenderer.removeListener(SETTINGS_IPC_CHANNELS.ON_SYSTEM_THEME_CHANGED, listener) }
   },
 
+  setZoomFactor: (zoomFactor: number) => {
+    return ipcRenderer.invoke(SETTINGS_IPC_CHANNELS.SET_ZOOM_FACTOR, zoomFactor)
+  },
+
+  getZoomFactor: () => {
+    return ipcRenderer.invoke(SETTINGS_IPC_CHANNELS.GET_ZOOM_FACTOR)
+  },
+
   // 环境检测
   checkEnvironment: () => {
     return ipcRenderer.invoke(ENVIRONMENT_IPC_CHANNELS.CHECK)
@@ -875,6 +900,26 @@ const electronAPI: ElectronAPI = {
   getReleaseByTag: (tag) => {
     return ipcRenderer.invoke(GITHUB_RELEASE_IPC_CHANNELS.GET_RELEASE_BY_TAG, tag)
   },
+
+  // ===== 缩放事件订阅 =====
+
+  onZoomIn: (callback) => {
+    const listener = (): void => callback()
+    ipcRenderer.on('zoom:in', listener)
+    return () => { ipcRenderer.removeListener('zoom:in', listener) }
+  },
+
+  onZoomOut: (callback) => {
+    const listener = (): void => callback()
+    ipcRenderer.on('zoom:out', listener)
+    return () => { ipcRenderer.removeListener('zoom:out', listener) }
+  },
+
+  onZoomReset: (callback) => {
+    const listener = (): void => callback()
+    ipcRenderer.on('zoom:reset', listener)
+    return () => { ipcRenderer.removeListener('zoom:reset', listener) }
+  },
 }
 
 // 将 API 暴露到渲染进程的 window 对象上

apps/electron/src/renderer/atoms/index.ts

@@ -9,3 +9,4 @@ export * from './settings-tab'
 export * from './chat-atoms'
 export * from './user-profile'
 export * from './theme'
+export * from './zoom-atoms'