Меню для сообщений

client-mobile/chats/presentation/chat_detail/ChatDetailViewModel.kt

@@ -42,7 +42,8 @@ data class ChatDetailState(
     val isUploading: Boolean = false,
     val isCompressionEnabled: Boolean = true,
     val inputText: String = "",
-    val replyingMessage: Message? = null
+    val replyingMessage: Message? = null,
+    val selectedMessageIds: Set<String> = emptySet()
 )
 
 @HiltViewModel
@@ -312,6 +313,21 @@ class ChatDetailViewModel @Inject constructor(
         _state.update { it.copy(replyingMessage = message) }
     }
 
+    fun toggleSelection(messageId: String) {
+        _state.update { s ->
+            val newSelection = if (s.selectedMessageIds.contains(messageId)) {
+                s.selectedMessageIds - messageId
+            } else {
+                s.selectedMessageIds + messageId
+            }
+            s.copy(selectedMessageIds = newSelection)
+        }
+    }
+
+    fun clearSelection() {
+        _state.update { it.copy(selectedMessageIds = emptySet()) }
+    }
+
     fun cancelReply() {
         _state.update { it.copy(replyingMessage = null) }
     }