fix: gradio 6 API — api_name=False instead of removed show_api, theme via launch()

app.py

@@ -219,7 +219,7 @@ def reconstruct_objects(image: np.ndarray, prompt: str = "object", progress=gr.P
         return None, None, f"❌ Error:\n{tb[-1500:]}"
 
 
-with gr.Blocks(title="SAM 3D Objects MCP", theme=gr.themes.Ocean()) as demo:
+with gr.Blocks(title="SAM 3D Objects MCP") as demo:
     gr.Markdown("""
     # 📦 SAM 3D Objects
     **Image (+ text prompt) → 3D Object (GLB)** · powered by Meta's SAM3 + SAM 3D Objects · usable as MCP server
@@ -243,7 +243,7 @@ with gr.Blocks(title="SAM 3D Objects MCP", theme=gr.themes.Ocean()) as demo:
         btn.click(reconstruct_objects, inputs=[input_image, input_prompt],
                   outputs=[output_model, preview, status])
         output_model.change(lambda x: x, inputs=[output_model], outputs=[output_file],
-                            show_api=False)
+                            api_name=False)
 
     with gr.Tab("Guide"):
         gr.Markdown("""
@@ -299,4 +299,4 @@ with gr.Blocks(title="SAM 3D Objects MCP", theme=gr.themes.Ocean()) as demo:
 
 
 if __name__ == "__main__":
-    demo.launch(mcp_server=True)
+    demo.launch(mcp_server=True, theme=gr.themes.Ocean())