Geohash notifications (#288)

* mention notifications

* notifications

* warning

app/src/main/java/com/bitchat/android/ui/ChatViewModel.kt

@@ -69,7 +69,8 @@ class ChatViewModel(
         privateChatManager = privateChatManager,
         meshDelegateHandler = meshDelegateHandler,
         coroutineScope = viewModelScope,
-        dataManager = dataManager
+        dataManager = dataManager,
+        notificationManager = notificationManager
     )
     
     // Expose state through LiveData (maintaining the same interface)
@@ -213,6 +214,8 @@ class ChatViewModel(
         privateChatManager.endPrivateChat()
         // Notify notification manager that no private chat is active
         setCurrentPrivateChatPeer(null)
+        // Clear mesh mention notifications since user is now back in mesh chat
+        clearMeshMentionNotifications()
     }
     
     // MARK: - Message Sending
@@ -388,11 +391,28 @@ class ChatViewModel(
         notificationManager.setCurrentPrivateChatPeer(peerID)
     }
     
+    fun setCurrentGeohash(geohash: String?) {
+        // Update notification manager with current geohash for notification logic
+        notificationManager.setCurrentGeohash(geohash)
+    }
+    
     fun clearNotificationsForSender(peerID: String) {
         // Clear notifications when user opens a chat
         notificationManager.clearNotificationsForSender(peerID)
     }
     
+    fun clearNotificationsForGeohash(geohash: String) {
+        // Clear notifications when user opens a geohash chat
+        notificationManager.clearNotificationsForGeohash(geohash)
+    }
+    
+    /**
+     * Clear mesh mention notifications when user opens mesh chat
+     */
+    fun clearMeshMentionNotifications() {
+        notificationManager.clearMeshMentionNotifications()
+    }
+    
     // MARK: - Command Autocomplete (delegated)
     
     fun updateCommandSuggestions(input: String) {