feat: Optimize chat screen transitions by removing redundant animations for a smoother user experience

app/src/main/java/com/rosetta/messenger/network/ProtocolManager.kt

@@ -97,6 +97,23 @@ object ProtocolManager {
             }
         }
         
+        // 🟢 Обработчик онлайн-статуса (0x05)
+        waitPacket(0x05) { packet ->
+            val onlinePacket = packet as PacketOnlineState
+            addLog("🟢 Online status received: ${onlinePacket.publicKeysState.size} entries")
+            
+            onlinePacket.publicKeysState.forEach { item ->
+                addLog("   User ${item.publicKey.take(16)}... is ${item.state}")
+                
+                scope.launch {
+                    messageRepository?.updateOnlineStatus(
+                        publicKey = item.publicKey,
+                        isOnline = item.state == OnlineState.ONLINE
+                    )
+                }
+            }
+        }
+        
         // Обработчик typing (0x0B)
         waitPacket(0x0B) { packet ->
             val typingPacket = packet as PacketTyping
@@ -109,6 +126,20 @@ object ProtocolManager {
                 _typingUsers.value = _typingUsers.value - typingPacket.fromPublicKey
             }
         }
+        
+        // 🟢 Обработчик онлайн статуса (0x05)
+        waitPacket(0x05) { packet ->
+            val onlinePacket = packet as PacketOnlineState
+            addLog("🟢 Online status received: ${onlinePacket.publicKeysState.size} entries")
+            
+            scope.launch {
+                onlinePacket.publicKeysState.forEach { item ->
+                    val isOnline = item.state == OnlineState.ONLINE
+                    addLog("   ${item.publicKey.take(16)}... -> ${if (isOnline) "ONLINE" else "OFFLINE"}")
+                    messageRepository?.updateOnlineStatus(item.publicKey, isOnline)
+                }
+            }
+        }
     }
     
     /**