fix(client/macos): 最小化托盘后点 Dock 图标唤回窗口(1.0.48+49)

windowManager.hide() 走 orderOut: 后主窗口不可见,点 Dock 图标系统只发
applicationShouldHandleReopen(hasVisibleWindows=false),AppDelegate 未接管 →
点了没反应。AppDelegate 实现该回调,无可见窗口时 makeKeyAndOrderFront +
activate 唤回 mainFlutterWindow。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

client/macos/Runner/AppDelegate.swift

@@ -12,4 +12,14 @@ class AppDelegate: FlutterAppDelegate {
   override func applicationSupportsSecureRestorableState(_ app: NSApplication) -> Bool {
     return true
   }
+
+  // 隐藏到托盘后点 Dock 图标 → 唤回主窗口。窗口被 window_manager.hide()(orderOut:)
+  // 隐藏时 hasVisibleWindows=false,系统只发 reopen 事件、不会自动显示;不接管就"点了没反应"。
+  override func applicationShouldHandleReopen(_ sender: NSApplication, hasVisibleWindows flag: Bool) -> Bool {
+    if !flag {
+      mainFlutterWindow?.makeKeyAndOrderFront(nil)
+      NSApp.activate(ignoringOtherApps: true)
+    }
+    return true
+  }
 }

client/pubspec.yaml

@@ -1,7 +1,7 @@
 name: pangolin_vpn
 description: 穿山甲 · Pangolin — 极简、稳定、跨平台网络加速客户端。
 publish_to: "none"
-version: 1.0.47+48
+version: 1.0.48+49
 
 environment:
   sdk: ^3.5.0