Network panel: core on/off (TUN) toggle without a password, Amnezia conflict guard, install hint for the netd service

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

NotchBuddy/Sources/App/NetPanel.swift

@@ -35,6 +35,9 @@ final class NetCore: ObservableObject {
     @Published var autoPick = ""          // what "auto" chose
     @Published var clients: [NetClient] = []
     @Published var busy = false
+    /// TUN on = the core carries the Mac's traffic; off = idle (e.g. back on AmneziaVPN).
+    @Published var tunOn = false
+    @Published var lastError: String?
 
     /// Delays measured by the group test (covers the subscription nodes too).
     private var measured: [String: Int] = [:]
@@ -80,6 +83,9 @@ final class NetCore: ObservableObject {
             return
         }
         running = true
+        if let cfg = await request("/configs") as? [String: Any], let tun = cfg["tun"] as? [String: Any] {
+            tunOn = tun["enable"] as? Bool ?? false
+        }
         // Subscription (VLESS) nodes keep their history in the provider, not in /proxies.
         var providerDelay: [String: Int] = [:]
         if let p = await request("/providers/proxies/vless-cluster") as? [String: Any],
@@ -141,6 +147,26 @@ final class NetCore: ObservableObject {
         await refresh()
     }
 
+    static var amneziaRunning: Bool {
+        NSWorkspace.shared.runningApplications.contains {
+            ($0.bundleIdentifier ?? "").lowercased().contains("amnezia") || ($0.localizedName ?? "").contains("Amnezia")
+        }
+    }
+
+    /// Turns traffic capture on/off without a password (the core keeps running).
+    func setTun(_ on: Bool) async {
+        if on && Self.amneziaRunning {
+            lastError = "Сначала выключи AmneziaVPN — иначе она и ядро подерутся за маршрут."
+            return
+        }
+        lastError = nil
+        tunOn = on
+        _ = await request("/configs", method: "PATCH", body: ["tun": ["enable": on]], timeout: 8)
+        SoundEngine.shared.play(on ? "pop" : "close")
+        try? await Task.sleep(for: .seconds(1))
+        await refresh()
+    }
+
     static func pretty(_ name: String) -> (String, String) {
         switch name {
         case "auto": return ("Авто", "первый живой")
@@ -214,13 +240,26 @@ struct NetPanel: View {
                 }
             }
 
+            if let err = net.lastError {
+                Text(err).font(.system(size: 11.5)).foregroundColor(Color(hex: "#FB923C"))
+                    .fixedSize(horizontal: false, vertical: true).frame(width: 444, alignment: .leading)
+            }
+
             if !net.running {
-                Text("Запусти ядро: в Терминале `~/Documents/brov-secrets/start.sh` (AmneziaVPN при этом выключи). Скоро это будет делать сам BroV.")
+                Text("Ядро не отвечает. Если служба ещё не установлена — выключи AmneziaVPN и один раз выполни в Терминале:\nsudo sh ~/Documents/brov-secrets/install-netd.sh\nДальше ядро будет запускаться само при включении Мака.")
                     .font(.system(size: 11.5))
                     .foregroundColor(Color(hex: "#B0B5BE"))
+                    .textSelection(.enabled)
                     .fixedSize(horizontal: false, vertical: true)
-                    .frame(width: 440, alignment: .leading)
+                    .frame(width: 444, alignment: .leading)
             } else {
+                NetRow(title: "Ядро перехватывает трафик",
+                       subtitle: net.tunOn ? "весь трафик Мака идёт через BroV" : "выключено — Мак ходит сам (можно включить AmneziaVPN)",
+                       delay: nil, isOn: net.tunOn, accent: "#A78BFA") {
+                    Task { await net.setTun(!net.tunOn) }
+                }
+                .frame(width: 444)
+                Rectangle().fill(Color.white.opacity(0.08)).frame(height: 1)
                 HStack(alignment: .top, spacing: 14) {
                     VStack(alignment: .leading, spacing: 4) {
                         Text("ВЫХОД В ИНТЕРНЕТ").font(.system(size: 9.5, weight: .bold)).foregroundColor(Color(hex: "#6B7079"))