feat(desktop): 接通无边框窗口标题栏控制

frontend/src/services/platform/windowControls.spec.ts

@@ -0,0 +1,47 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+
+const native = vi.hoisted(() => ({
+  enabled: false,
+  minimize: vi.fn(),
+  toggleMaximize: vi.fn(),
+  close: vi.fn(),
+}))
+
+vi.mock('@tauri-apps/api/core', () => ({ isTauri: () => native.enabled, invoke: vi.fn() }))
+vi.mock('@tauri-apps/api/window', () => ({
+  getCurrentWindow: () => ({
+    minimize: native.minimize,
+    toggleMaximize: native.toggleMaximize,
+    close: native.close,
+  }),
+}))
+
+import { minimizeWindow, requestWindowClose, toggleMaximizeWindow } from './windowControls'
+
+beforeEach(() => {
+  native.enabled = false
+  native.minimize.mockReset()
+  native.toggleMaximize.mockReset()
+  native.close.mockReset()
+})
+
+describe('桌面窗口控制', () => {
+  it('Web 模式不模拟窗口操作', async () => {
+    await minimizeWindow()
+    await toggleMaximizeWindow()
+    await requestWindowClose()
+    expect(native.minimize).not.toHaveBeenCalled()
+    expect(native.toggleMaximize).not.toHaveBeenCalled()
+    expect(native.close).not.toHaveBeenCalled()
+  })
+
+  it('桌面模式调用当前 Tauri 窗口', async () => {
+    native.enabled = true
+    await minimizeWindow()
+    await toggleMaximizeWindow()
+    await requestWindowClose()
+    expect(native.minimize).toHaveBeenCalledOnce()
+    expect(native.toggleMaximize).toHaveBeenCalledOnce()
+    expect(native.close).toHaveBeenCalledOnce()
+  })
+})

frontend/src/services/platform/windowControls.ts

@@ -0,0 +1,16 @@
+/** 桌面窗口操作集中于此边界；Web 页面不会显示或模拟原生窗口行为。 */
+import { getCurrentWindow } from '@tauri-apps/api/window'
+import { isDesktop } from './desktop'
+
+export async function minimizeWindow() {
+  if (isDesktop()) await getCurrentWindow().minimize()
+}
+
+export async function toggleMaximizeWindow() {
+  if (isDesktop()) await getCurrentWindow().toggleMaximize()
+}
+
+export async function requestWindowClose() {
+  // close 触发 Rust CloseRequested；Host 会要求前端先保存，再由 lifecycle destroy。
+  if (isDesktop()) await getCurrentWindow().close()
+}