Fix caption (#3)

* refactor: Set caption to enhancedPrompt in HandleCommand

* fix: Ensure caption length is within Telegram limits

internal/service/bot_service.go

@@ -115,6 +115,12 @@ func (s *BotServiceImpl) HandleCommand(ctx context.Context, command string, args
 			})
 			// Fallback to the original prompt in case of error
 			enhancedPrompt = args
+			caption = enhancedPrompt
+
+			// Ensure caption length is within Telegram limits
+			if len(caption) > 1024 {
+				caption = caption[:1024]
+			}
 		}
 
 		// Generate an image using the enhanced prompt
@@ -147,6 +153,10 @@ func (s *BotServiceImpl) SendPhoto(ctx context.Context, chatID int64, photo []by
 		Bytes: photo,
 	})
 
+	// Ensure caption length is within Telegram limits
+	if len(caption) > 1024 {
+		caption = caption[:1024]
+	}
 	photoMsg.Caption = caption
 
 	_, err := s.Bot.Send(photoMsg)