fix: add detailed logging for unlock process to improve debugging and performance tracking

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

@@ -106,17 +106,25 @@ class MessageRepository private constructor(private val context: Context) {
      * Инициализация с текущим аккаунтом
      */
     fun initialize(publicKey: String, privateKey: String) {
+        val start = System.currentTimeMillis()
+        android.util.Log.d("MessageRepository", "🔧 initialize started for ${publicKey.take(8)}...")
+        
         // 🔥 Очищаем кэш запрошенных user info при смене аккаунта
         if (currentAccount != publicKey) {
             requestedUserInfoKeys.clear()
+            android.util.Log.d("MessageRepository", "🔧 Cleared user info cache (account changed)")
         }
         
         currentAccount = publicKey
         currentPrivateKey = privateKey
         
+        android.util.Log.d("MessageRepository", "🔧 initialize completed in ${System.currentTimeMillis() - start}ms (launching dialogs flow in background)")
+        
         // Загрузка диалогов
         scope.launch {
+            android.util.Log.d("MessageRepository", "📂 Starting dialogs flow collection...")
             dialogDao.getDialogsFlow(publicKey).collect { entities ->
+                android.util.Log.d("MessageRepository", "📂 Got ${entities.size} dialogs from DB")
                 _dialogs.value = entities.map { it.toDialog() }
                 
                 // 🔥 Запрашиваем информацию о пользователях, у которых нет имени