Fix model id for captioner

app.py

@@ -16,11 +16,12 @@ def load_models_cpu():
         # BLIP-2 (smaller/CPU-friendlier checkpoint)
         # You can switch to "Salesforce/blip2-flan-t5-xl" if you prefer (slower on CPU).
         _captioner = pipeline(
-            task="image-to-text",
-            model="Salesforce/blip2-flan-t5-large",
-            torch_dtype=torch.float32,
-            device_map=None,   # ensure CPU
-        )
+        task="image-to-text",
+        model="Salesforce/blip2-flan-t5-xl",
+        torch_dtype=torch.float32,  # CPU
+        device_map=None,            # CPU
+)
+
 
     if _tts is None:
         # Multilingual XTTS-v2 (runs on CPU; first load may take a bit)