Use textbox outputs to avoid Gradio schema error on Spaces

app.py

@@ -65,7 +65,7 @@ def make_interface():
     def _on_files_change(files):
         """Update preview and clear outputs when files are removed."""
         if not files:
-            return [], None, ""
+            return [], "", ""
         return files, gr.update(), gr.update()
 
     with gr.Blocks(title="Garment Micro-Trend Detector") as demo:
@@ -101,7 +101,7 @@ def make_interface():
             object_fit="contain",  # preserve aspect ratio
             height="auto",
         )
-        json_out = gr.Code(label="Micro-trend JSON", language="json", interactive=False)
+        json_out = gr.Textbox(label="Micro-trend JSON", lines=20, interactive=False)
         summary_md = gr.Markdown(label="Summary")
 
         image_input.change(_on_files_change, inputs=image_input, outputs=[preview, json_out, summary_md], queue=False)