feat: Enhance FCM token management by adding unsubscribe logic to prevent duplicate registrations

app/src/main/java/com/rosetta/messenger/data/MessageRepository.kt

@@ -713,7 +713,8 @@ class MessageRepository private constructor(private val context: Context) {
                     packet.attachments,
                     packet.chachaKey,
                     privateKey,
-                    plainKeyAndNonce
+                    plainKeyAndNonce,
+                    messageId
             )
 
             // 📸 Обрабатываем AVATAR attachments - сохраняем аватар отправителя
@@ -1414,13 +1415,15 @@ class MessageRepository private constructor(private val context: Context) {
             attachments: List<MessageAttachment>,
             encryptedKey: String,
             privateKey: String,
-            plainKeyAndNonce: ByteArray? = null
+            plainKeyAndNonce: ByteArray? = null,
+            messageId: String = ""
     ) {
         val publicKey = currentAccount ?: return
 
         for (attachment in attachments) {
             // Сохраняем только IMAGE, не FILE (файлы загружаются с CDN при необходимости)
             if (attachment.type == AttachmentType.IMAGE && attachment.blob.isNotEmpty()) {
+                MessageLogger.logPhotoDecryptStart(messageId, attachment.id, attachment.blob.length)
                 try {
 
                     // 1. Расшифровываем blob с ChaCha ключом сообщения
@@ -1445,9 +1448,17 @@ class MessageRepository private constructor(private val context: Context) {
                                         privateKey = privateKey
                                 )
 
-                        if (saved) {} else {}
-                    } else {}
-                } catch (e: Exception) {}
+                        if (saved) {
+                            MessageLogger.logPhotoDecryptSuccess(messageId, attachment.id, true)
+                        } else {
+                            MessageLogger.logPhotoSaveFailed(messageId, attachment.id)
+                        }
+                    } else {
+                        MessageLogger.logPhotoDecryptFailed(messageId, attachment.id)
+                    }
+                } catch (e: Exception) {
+                    MessageLogger.logPhotoDecryptError(messageId, attachment.id, e)
+                }
             }
         }
     }