gradio: dict file_obj fix + queue + logging

app.py

@@ -594,7 +594,15 @@ with gradio_demo:
                 if not prompt or not prompt.strip():
                     raise gr.Error("prompt is required")
                 tokens = DEFAULT_MAX_NEW_TOKENS if max_new_tokens is None else int(max_new_tokens)
-                file_path = file_obj if isinstance(file_obj, str) else file_obj.name if hasattr(file_obj, 'name') else str(file_obj)
+                # gr.File di Gradio 5 bisa kirim str path atau dict {"path": "...", "_type": "gradio.FileData"}
+                if isinstance(file_obj, str):
+                    file_path = file_obj
+                elif isinstance(file_obj, dict):
+                    file_path = file_obj.get("path") or file_obj.get("name") or file_obj.get("url") or str(file_obj)
+                elif hasattr(file_obj, "name"):
+                    file_path = file_obj.name
+                else:
+                    file_path = str(file_obj)
                 try:
                     with open(file_path, "rb") as f:
                         data = f.read()
@@ -619,6 +627,7 @@ with gradio_demo:
     btn.click(gradio_solve, inputs=[inp_media, inp_prompt, inp_tokens], outputs=out_text, api_name="solve", concurrency_limit=None)
 
     # Advanced: URL/base64 juga didukung via API POST /solve (JSON), tidak perlu UI tambahan
+    gradio_demo.queue(max_size=20, default_concurrency_limit=1)
 
 # ==================== RUN ====================
 if __name__ == "__main__":