Добавлено сохранение аватаров для групповых сообщений, улучшена логика обработки ключей диалога в компонентах сообщений.

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

@@ -764,10 +764,13 @@ class MessageRepository private constructor(private val context: Context) {
                     groupKey
             )
 
-            // 📸 Обрабатываем AVATAR attachments - сохраняем аватар отправителя
+            // 📸 Обрабатываем AVATAR attachments:
+            // в личке — сохраняем аватар отправителя, в группе — аватар группы (desktop parity)
+            val avatarOwnerKey =
+                    if (isGroupMessage) packet.toPublicKey else packet.fromPublicKey
             processAvatarAttachments(
                     packet.attachments,
-                    packet.fromPublicKey,
+                    avatarOwnerKey,
                     packet.chachaKey,
                     privateKey,
                     plainKeyAndNonce,
@@ -1510,7 +1513,7 @@ class MessageRepository private constructor(private val context: Context) {
      */
     private suspend fun processAvatarAttachments(
             attachments: List<MessageAttachment>,
-            fromPublicKey: String,
+            avatarOwnerKey: String,
             encryptedKey: String,
             privateKey: String,
             plainKeyAndNonce: ByteArray? = null,
@@ -1540,18 +1543,18 @@ class MessageRepository private constructor(private val context: Context) {
                     if (decryptedBlob != null) {
                         // 2. Сохраняем аватар в кэш
                         val filePath =
-                                AvatarFileManager.saveAvatar(context, decryptedBlob, fromPublicKey)
+                                AvatarFileManager.saveAvatar(context, decryptedBlob, avatarOwnerKey)
 
                         val entity =
                                 AvatarCacheEntity(
-                                        publicKey = fromPublicKey,
+                                        publicKey = avatarOwnerKey,
                                         avatar = filePath,
                                         timestamp = System.currentTimeMillis()
                                 )
                         avatarDao.insertAvatar(entity)
 
                         // 3. Очищаем старые аватары (оставляем последние 5)
-                        avatarDao.deleteOldAvatars(fromPublicKey, 5)
+                        avatarDao.deleteOldAvatars(avatarOwnerKey, 5)
                     } else {}
                 } catch (e: Exception) {}
             }

app/src/main/java/com/rosetta/messenger/ui/chats/ChatDetailScreen.kt

@@ -2170,6 +2170,8 @@ fun ChatDetailScreen(
                                                                                                         message.senderName,
                                                                                                 isGroupChat =
                                                                                                         isGroupChat,
+                                                                                                dialogPublicKey =
+                                                                                                        user.publicKey,
                                                                                                 showGroupSenderLabel =
                                                                                                         isGroupChat &&
                                                                                                                 !message.isOutgoing,

app/src/main/java/com/rosetta/messenger/ui/chats/components/AttachmentComponents.kt

@@ -332,6 +332,8 @@ fun MessageAttachments(
         isOutgoing: Boolean,
         isDarkTheme: Boolean,
         senderPublicKey: String,
+        dialogPublicKey: String = "",
+        isGroupChat: Boolean = false,
         timestamp: java.util.Date,
         messageStatus: MessageStatus = MessageStatus.READ,
         avatarRepository: AvatarRepository? = null,
@@ -392,6 +394,8 @@ fun MessageAttachments(
                             chachaKey = chachaKey,
                             privateKey = privateKey,
                             senderPublicKey = senderPublicKey,
+                            dialogPublicKey = dialogPublicKey,
+                            isGroupChat = isGroupChat,
                             avatarRepository = avatarRepository,
                             currentUserPublicKey = currentUserPublicKey,
                             isOutgoing = isOutgoing,
@@ -1775,6 +1779,8 @@ fun AvatarAttachment(
         chachaKey: String,
         privateKey: String,
         senderPublicKey: String,
+        dialogPublicKey: String = "",
+        isGroupChat: Boolean = false,
         avatarRepository: AvatarRepository?,
         currentUserPublicKey: String = "",
         isOutgoing: Boolean,
@@ -1924,11 +1930,15 @@ fun AvatarAttachment(
                         // Сохраняем аватар в репозиторий (для UI обновления)
                         // Если это исходящее сообщение с аватаром, сохраняем для текущего
                         // пользователя
+                        val normalizedDialogKey = dialogPublicKey.trim()
+                        val isGroupAvatarAttachment = isGroupChat || isGroupStoredKey(chachaKey)
                         val targetPublicKey =
-                                if (isOutgoing && currentUserPublicKey.isNotEmpty()) {
-                                    currentUserPublicKey
-                                } else {
-                                    senderPublicKey
+                                when {
+                                    isGroupAvatarAttachment && normalizedDialogKey.isNotEmpty() ->
+                                            normalizedDialogKey
+                                    isOutgoing && currentUserPublicKey.isNotEmpty() ->
+                                            currentUserPublicKey
+                                    else -> senderPublicKey
                                 }
 
                         // ВАЖНО: ждем завершения сохранения в репозиторий

app/src/main/java/com/rosetta/messenger/ui/chats/components/ChatDetailComponents.kt

@@ -297,6 +297,7 @@ fun MessageBubble(
         senderPublicKey: String = "",
         senderName: String = "",
         isGroupChat: Boolean = false,
+        dialogPublicKey: String = "",
         showGroupSenderLabel: Boolean = false,
         isGroupSenderAdmin: Boolean = false,
         currentUserPublicKey: String = "",
@@ -846,6 +847,8 @@ fun MessageBubble(
                                                         isOutgoing = message.isOutgoing,
                                                         isDarkTheme = isDarkTheme,
                                                         senderPublicKey = senderPublicKey,
+                                                        dialogPublicKey = dialogPublicKey,
+                                                        isGroupChat = isGroupChat,
                                                         timestamp = message.timestamp,
                                                         messageStatus = attachmentDisplayStatus,
                                                         avatarRepository = avatarRepository,