feat: Enhance FileAttachment component with timestamp and message status display

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

@@ -28,6 +28,7 @@ import androidx.compose.ui.graphics.asImageBitmap
 import androidx.compose.ui.graphics.drawscope.Stroke
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
@@ -40,6 +41,7 @@ import com.rosetta.messenger.crypto.MessageCrypto
 import com.rosetta.messenger.network.AttachmentType
 import com.rosetta.messenger.network.MessageAttachment
 import com.rosetta.messenger.network.TransportManager
+import com.rosetta.messenger.R
 import com.rosetta.messenger.repository.AvatarRepository
 import com.rosetta.messenger.ui.chats.models.MessageStatus
 import com.rosetta.messenger.ui.onboarding.PrimaryBlue
@@ -104,7 +106,9 @@ fun MessageAttachments(
                         chachaKey = chachaKey,
                         privateKey = privateKey,
                         isOutgoing = isOutgoing,
-                        isDarkTheme = isDarkTheme
+                        isDarkTheme = isDarkTheme,
+                        timestamp = timestamp,
+                        messageStatus = messageStatus
                     )
                 }
                 AttachmentType.AVATAR -> {
@@ -490,7 +494,9 @@ fun FileAttachment(
     chachaKey: String,
     privateKey: String,
     isOutgoing: Boolean,
-    isDarkTheme: Boolean
+    isDarkTheme: Boolean,
+    timestamp: java.util.Date,
+    messageStatus: MessageStatus = MessageStatus.READ
 ) {
     val context = LocalContext.current
     val scope = rememberCoroutineScope()
@@ -556,6 +562,9 @@ fun FileAttachment(
     }
     
     // Telegram-style файл - как в desktop: без внутреннего фона, просто иконка + текст
+    Box(
+        modifier = Modifier.fillMaxWidth()
+    ) {
         Row(
             modifier = Modifier
                 .fillMaxWidth()
@@ -659,11 +668,69 @@ fun FileAttachment(
             )
         }
     }
+        
+        // Time and checkmarks (bottom-right overlay) for outgoing files
+        if (isOutgoing) {
+            Row(
+                modifier = Modifier
+                    .align(Alignment.BottomEnd)
+                    .padding(bottom = 6.dp, end = 4.dp),
+                verticalAlignment = Alignment.CenterVertically,
+                horizontalArrangement = Arrangement.End
+            ) {
+                // Time
+                Text(
+                    text = android.text.format.DateFormat.format("HH:mm", timestamp).toString(),
+                    fontSize = 11.sp,
+                    color = Color.White.copy(alpha = 0.7f)
+                )
+                
+                Spacer(modifier = Modifier.width(4.dp))
+                
+                // Checkmarks
+                when (messageStatus) {
+                    MessageStatus.SENDING -> {
+                        Icon(
+                            compose.icons.TablerIcons.Clock,
+                            contentDescription = null,
+                            tint = Color.White.copy(alpha = 0.7f),
+                            modifier = Modifier.size(14.dp)
+                        )
+                    }
+                    MessageStatus.SENT -> {
+                        Icon(
+                            compose.icons.TablerIcons.Check,
+                            contentDescription = null,
+                            tint = Color.White.copy(alpha = 0.7f),
+                            modifier = Modifier.size(14.dp)
+                        )
+                    }
+                    MessageStatus.DELIVERED, MessageStatus.READ -> {
+                        Icon(
+                            compose.icons.TablerIcons.Checks,
+                            contentDescription = null,
+                            tint = if (messageStatus == MessageStatus.READ) {
+                                Color(0xFF4FC3F7)
+                            } else {
+                                Color.White.copy(alpha = 0.7f)
+                            },
+                            modifier = Modifier.size(14.dp)
+                        )
+                    }
+                    MessageStatus.ERROR -> {
+                        Icon(
+                            Icons.Default.Error,
+                            contentDescription = null,
+                            tint = Color(0xFFE53935),
+                            modifier = Modifier.size(14.dp)
+                        )
+                    }
+                }
+            }
+        }
+    }
 }
 
-/**
- * Avatar attachment - Telegram style
- */
 @Composable
 fun AvatarAttachment(
     attachment: MessageAttachment,