Tabs: '+' opens brov-chat or term.macOS (max 6, split around the camera); real zsh terminals via SwiftTerm; per-tab chat history and claude session; hover 3 s to close with confirmation

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

NotchBuddy/Sources/App/AppState.swift

@@ -9,7 +9,26 @@ final class AppState: ObservableObject {
 
     // Island state
     @Published var mode: IslandMode = .hidden
-    @Published var view: IslandView = .overview
+    @Published var view: IslandView = .overview {
+        didSet {
+            // Any way into the chat (drop → "Задать вопрос", shortcuts…) lands in a brov-chat tab.
+            if view == .prompt, tabs.first(where: { $0.id == activeTabId })?.kind != .chat {
+                if let chat = tabs.first(where: { $0.kind == .chat }) {
+                    if let cur = activeTabId, tabs.first(where: { $0.id == cur })?.kind == .chat {
+                        ChatTabs.shared.saveHistory(chatHistory, for: cur)
+                    }
+                    activeTabId = chat.id
+                    chatHistory = ChatTabs.shared.history(for: chat.id)
+                } else if tabs.count < Self.maxTabs {
+                    let n = (1...Self.maxTabs).first { k in !tabs.contains { $0.kind == .chat && $0.number == k } } ?? 1
+                    let t = BroTab(kind: .chat, number: n)
+                    tabs.append(t)
+                    activeTabId = t.id
+                    chatHistory = []
+                }
+            }
+        }
+    }
 
     // Tasks
     @Published var tasks: [AgentTask] = []
@@ -420,7 +439,7 @@ final class AppState: ObservableObject {
     }
 
     func chatDetentHeight(_ d: Int) -> CGFloat {
-        let auto = min(300, 240 + CGFloat(chatHistory.count) * 40)
+        let auto = view == .terminal ? 380 : min(300, 240 + CGFloat(chatHistory.count) * 40)
         switch d {
         case 1:  return max(320, screenHeight / 3)
         case 2:  return max(340, screenHeight / 2)
@@ -432,6 +451,48 @@ final class AppState: ObservableObject {
     /// Current chat island height (drag, else detent).
     var chatIslandHeight: CGFloat { chatDragHeight ?? chatDetentHeight(chatDetent) }
 
+    // MARK: Tabs (BroV): brov-chat dialogs and term.macOS terminals
+    static let maxTabs = 6
+    @Published var tabs: [BroTab] = [BroTab(kind: .chat, number: 1)]
+    @Published var activeTabId: UUID? = nil
+
+    func openTab(_ kind: TabKind) {
+        guard tabs.count < Self.maxTabs else { return }
+        let used = Set(tabs.filter { $0.kind == kind }.map(\.number))
+        let n = (1...Self.maxTabs).first { !used.contains($0) } ?? tabs.count + 1
+        let tab = BroTab(kind: kind, number: n)
+        tabs.append(tab)
+        SoundEngine.shared.play("pop")
+        activateTab(tab.id)
+    }
+
+    func activateTab(_ id: UUID) {
+        guard let tab = tabs.first(where: { $0.id == id }) else { return }
+        if let cur = activeTabId, cur != id, tabs.first(where: { $0.id == cur })?.kind == .chat {
+            ChatTabs.shared.saveHistory(chatHistory, for: cur)
+        }
+        if activeTabId != id {
+            activeTabId = id
+            if tab.kind == .chat { chatHistory = ChatTabs.shared.history(for: id) }
+        }
+        view = tab.kind == .chat ? .prompt : .terminal
+    }
+
+    func closeTab(_ id: UUID) {
+        guard let i = tabs.firstIndex(where: { $0.id == id }) else { return }
+        let tab = tabs.remove(at: i)
+        if tab.kind == .chat { ChatTabs.shared.close(id) } else { TerminalStore.shared.close(id) }
+        SoundEngine.shared.play("close")
+        guard activeTabId == id else { return }
+        activeTabId = nil
+        if tab.kind == .chat { chatHistory = [] }
+        if let next = tabs.indices.contains(i) ? tabs[i] : tabs.last {
+            activateTab(next.id)
+        } else {
+            view = .overview
+        }
+    }
+
     // MARK: Agent health (BroV)
     @Published var crashedSessions: [CrashedSession] = []
     @Published var claudeNeedsLogin = false
@@ -466,6 +527,7 @@ final class AppState: ObservableObject {
     // MARK: - Init (loads persisted settings)
 
     private init() {
+        activeTabId = tabs.first?.id
         let ud = UserDefaults.standard
 
         if let v = ud.object(forKey: "soundEnabled") as? Bool   { soundEnabled = v }