feat: Add divider between dialogs in ChatsListScreen for improved visual separation

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

@@ -518,6 +518,8 @@ fun ChatsListScreen(
                         )
                     } else {
                         // Show dialogs list
+                        val dividerColor = if (isDarkTheme) Color(0xFF3A3A3A) else Color(0xFFE8E8E8)
+                        
                         LazyColumn(modifier = Modifier.fillMaxSize()) {
                             items(dialogsList, key = { it.opponentKey }) { dialog ->
                                 val isSavedMessages = dialog.opponentKey == accountPublicKey
@@ -527,6 +529,7 @@ fun ChatsListScreen(
                                     isBlocked = chatsViewModel.isUserBlocked(dialog.opponentKey)
                                 }
                                 
+                                Column {
                                     SwipeableDialogItem(
                                             dialog = dialog,
                                             isDarkTheme = isDarkTheme,
@@ -547,6 +550,14 @@ fun ChatsListScreen(
                                                 dialogToUnblock = dialog
                                             }
                                     )
+                                    
+                                    // 🔥 СЕПАРАТОР - линия разделения между диалогами
+                                    Divider(
+                                        modifier = Modifier.padding(start = 84.dp),
+                                        color = dividerColor,
+                                        thickness = 0.5.dp
+                                    )
+                                }
                             }
                         }
                     }