feat: Pro 买断门禁、SFTP 精简与批量多机改造

新增 entitlement/license IPC 与 Waffo 一次性结账服务骨架，挂载 AI/转发/代理/串口/广播/批量导入导出门禁；批量执行改为结果矩阵并复用连接池，SFTP 工具栏图标化并去掉已连接条，同时完善跨平台本地终端与窗口配置。

Co-authored-by: Cursor <cursoragent@cursor.com>

test/setup.ts

@@ -63,6 +63,25 @@ export const mockDesktopApi: DesktopApiContract = {
   // Settings
   settingsGet: vi.fn().mockResolvedValue({ success: true, value: undefined }),
   settingsSet: vi.fn().mockResolvedValue({ success: true }),
+  licenseGet: vi.fn().mockResolvedValue({
+    plan: 'free',
+    deviceId: 'test-device',
+    activated: false,
+    features: [],
+  }),
+  licenseActivate: vi.fn().mockResolvedValue({
+    plan: 'pro',
+    deviceId: 'test-device',
+    activated: true,
+    features: ['*'],
+  }),
+  licenseClear: vi.fn().mockResolvedValue({
+    plan: 'free',
+    deviceId: 'test-device',
+    activated: false,
+    features: [],
+  }),
+  licenseDeviceId: vi.fn().mockResolvedValue('test-device'),
   aiProviderSaveKey: vi.fn().mockResolvedValue({ success: true }),
   aiProviderHasKey: vi.fn().mockResolvedValue(false),
   aiProviderDeleteKey: vi.fn().mockResolvedValue({ success: true }),
@@ -126,6 +145,7 @@ export const mockDesktopApi: DesktopApiContract = {
   onMenuExportSessions: vi.fn(),
   onMenuOpenSettings: vi.fn(),
   onSshLinkAvailable: vi.fn(),
+  onProLink: vi.fn(),
   respondHostKeyPrompt: vi.fn(),
   knownHostsList: vi.fn().mockResolvedValue({ success: true, entries: [] }),
   knownHostsRemove: vi.fn().mockResolvedValue({ success: true }),