Fix push-навигация: stale pendingChatRoute вызывал переход в чужой чат при переключении табов

Rosetta/Features/Chats/ChatList/ChatListView.swift

@@ -1,5 +1,6 @@
 import Combine
 import SwiftUI
+import UIKit
 
 // MARK: - Navigation State (survives parent re-renders)
 
@@ -104,23 +105,22 @@ struct ChatListView: View {
         .tint(RosettaColors.figmaBlue)
         .onReceive(NotificationCenter.default.publisher(for: .openChatFromNotification)) { notification in
             guard let route = notification.object as? ChatRoute else { return }
-            // Navigate to the chat from push notification tap
+            // Navigate to the chat from push notification tap (fast path)
             navigationState.path = [route]
-            // Clear pending route — consumed by onReceive (fast path)
             AppDelegate.pendingChatRoute = nil
+            AppDelegate.pendingChatRouteTimestamp = nil
         }
         .onAppear {
-            // Fallback: consume pending route if .onReceive missed it.
-            // Handles terminated app (ChatListView didn't exist when notification was posted)
-            // and background app (Combine subscription may not fire during app resume).
-            if let route = AppDelegate.pendingChatRoute {
-                AppDelegate.pendingChatRoute = nil
-                // Small delay to let NavigationStack settle after view creation
-                Task { @MainActor in
-                    try? await Task.sleep(nanoseconds: 100_000_000) // 100ms
-                    navigationState.path = [route]
-                }
-            }
+            // Cold start fallback: ChatListView didn't exist when notification was posted.
+            // Expiry guard (3s) prevents stale routes from firing on tab switches —
+            // critical for iOS < 26 pager (ZStack opacity 0→1 re-fires .onAppear).
+            consumePendingRouteIfFresh()
+        }
+        .onReceive(NotificationCenter.default.publisher(for: UIApplication.didBecomeActiveNotification)) { _ in
+            // Background→foreground fallback: covers edge cases where .onReceive
+            // subscription hasn't re-activated after background→foreground transition.
+            // Harmless if .onReceive already consumed the route (statics are nil).
+            consumePendingRouteIfFresh()
         }
     }
 
@@ -132,6 +132,16 @@ struct ChatListView: View {
         searchText = ""
         viewModel.setSearchQuery("")
     }
+
+    /// Consume pending notification route only if it was set within the last 3 seconds.
+    /// Prevents stale routes (from failed .onReceive) from being consumed on tab switches.
+    private func consumePendingRouteIfFresh() {
+        guard let route = AppDelegate.consumeFreshPendingRoute() else { return }
+        Task { @MainActor in
+            try? await Task.sleep(nanoseconds: 100_000_000) // 100ms for NavigationStack settle
+            navigationState.path = [route]
+        }
+    }
 }
 
 // MARK: - Custom Search Bar