pangolin/client/macos/Runner/MainFlutterWindow.swift

import Cocoa
import FlutterMacOS

class MainFlutterWindow: NSWindow {
  override func awakeFromNib() {
    let flutterViewController = FlutterViewController()
    self.contentViewController = flutterViewController

    // 桌面默认窗口 920×600（对齐设计稿 ui_kits/desktop），最小 720×560。
    let defaultSize = NSSize(width: 920, height: 600)
    self.setContentSize(defaultSize)
    self.contentMinSize = NSSize(width: 720, height: 560)
    self.center()

    RegisterGeneratedPlugins(registry: flutterViewController)

    // P1 方案B:VPN 原生控制通道。把 VpnChannel.swift 加入 Runner target(Compile Sources)
    // 后,解开下一行注册(见 docs/p1-macos-system-extension.md §3)。在此之前保持注释,
    // 以免引用未编译符号破坏 Runner 构建。
    // VpnChannel.register(with: flutterViewController.registrar(forPlugin: "VpnChannel"))

    super.awakeFromNib()
  }
}