feat(electron): add Windows close-to-tray behavior

apps/desktop/preload/apis/core.ts

@@ -2,7 +2,7 @@
  * 核心 API - 基础 IPC 通信和系统功能
  */
 import { ipcRenderer } from 'electron'
-import type { AnalyticsEventName } from '@openchatlab/shared-types'
+import type { AnalyticsEventName, DesktopCloseBehavior } from '@openchatlab/shared-types'
 
 // Custom APIs for renderer
 export const api = {
@@ -117,5 +117,11 @@ export const extendedApi = {
     setOpenAtLogin: (enabled: boolean): Promise<{ success: boolean; error?: string }> => {
       return ipcRenderer.invoke('app:setOpenAtLogin', enabled)
     },
+    getDesktopCloseBehavior: (): Promise<DesktopCloseBehavior> => {
+      return ipcRenderer.invoke('app:getDesktopCloseBehavior')
+    },
+    setDesktopCloseBehavior: (behavior: DesktopCloseBehavior): Promise<{ success: boolean; error?: string }> => {
+      return ipcRenderer.invoke('app:setDesktopCloseBehavior', behavior)
+    },
   },
 }

apps/desktop/preload/index.d.ts

@@ -1,7 +1,7 @@
 import { ElectronAPI } from '@electron-toolkit/preload'
 import type { ImportProgress, ExportProgress } from '../../../src/types/base'
 import type { TokenUsage, AgentRuntimeStatus, SerializedErrorInfo, SecurityApi } from '../shared/types'
-import type { AnalyticsEventName, TimeFilter } from '@openchatlab/shared-types'
+import type { AnalyticsEventName, DesktopCloseBehavior, TimeFilter } from '@openchatlab/shared-types'
 
 // 迁移相关类型
 interface MigrationInfo {
@@ -192,6 +192,8 @@ interface Api {
     relaunch: () => Promise<void>
     getOpenAtLogin: () => Promise<boolean>
     setOpenAtLogin: (enabled: boolean) => Promise<{ success: boolean; error?: string }>
+    getDesktopCloseBehavior: () => Promise<DesktopCloseBehavior>
+    setDesktopCloseBehavior: (behavior: DesktopCloseBehavior) => Promise<{ success: boolean; error?: string }>
   }
 }