fix endpont state object

app.py

@@ -271,4 +271,24 @@ with gr.Blocks(delete_cache=(600, 600)) as demo:
 if __name__ == "__main__":
     pipeline = TrellisTextTo3DPipeline.from_pretrained("JeffreyXiang/TRELLIS-text-xlarge")
     pipeline.cuda()
-    demo.launch()
+    demo.launch()
+
+# --- API-only endpoint for server integration ---
+# This exposes text_to_3d with gr.JSON() as the first output, so the state object is included in the API response.
+# Not wired to the UI; use for API calls only.
+api_text_to_3d = gr.Interface(
+    fn=lambda prompt, seed, ss_guidance_strength, ss_sampling_steps, slat_guidance_strength, slat_sampling_steps: text_to_3d(
+        prompt, seed, ss_guidance_strength, ss_sampling_steps, slat_guidance_strength, slat_sampling_steps, gr.Request()
+    ),
+    inputs=[
+        gr.Textbox(label="Text Prompt"),
+        gr.Number(label="Seed"),
+        gr.Number(label="SS Guidance Strength"),
+        gr.Number(label="SS Sampling Steps"),
+        gr.Number(label="SLAT Guidance Strength"),
+        gr.Number(label="SLAT Sampling Steps"),
+    ],
+    outputs=[gr.JSON(label="State Object"), gr.Textbox(label="Video Path")],
+    allow_flagging="never",
+    description="API endpoint for text_to_3d that returns the state object as JSON. Not for UI use.",
+)