Update app.py

app.py

@@ -13,22 +13,23 @@ async def _deploy_async(idea: str):
 
 def generate_app(idea: str):
     """
-    Synchronous Gradio callback for app generation + ZIP download.
+    Gradio callback: run the pipeline, package the app, and return (status, zip_path).
     """
     status, zip_path = asyncio.run(_deploy_async(idea))
     return status, zip_path
 
 def main():
     """
-    Build and launch the Gradio interface.
+    Build and launch the Gradio UI:
+    - Left column: Generate & Download App
+    - Right column: Robot Simulator
     """
-    # No inline CSS here—styling lives in deployer/gradio_generator.py
     with gr.Blocks() as demo:
         gr.Markdown("# 🚀 RoboSage\nGenerate your custom robot app and test it live.")
 
         with gr.Row():
             # ————————— Generate & Download App —————————
-            with gr.Column(scale=1):
+            with gr.Column():
                 gr.Markdown("## 1️⃣ Generate & Download App")
                 idea_input = gr.Textbox(
                     label="Your Robot Idea",
@@ -46,7 +47,7 @@ def main():
                 )
 
             # ————————— Robot Simulator —————————
-            with gr.Column(scale=1):
+            with gr.Column():
                 gr.Markdown("## 🤖 Robot Simulator")
                 cmd_input = gr.Textbox(
                     label="Command",
@@ -62,11 +63,11 @@ def main():
                     outputs=[sim_out]
                 )
 
-        demo.launch(
-            server_name="0.0.0.0",
-            server_port=int(os.environ.get("PORT", 7860)),
-            share=False
-        )
+    demo.launch(
+        server_name="0.0.0.0",
+        server_port=int(os.environ.get("PORT", "7860")),
+        share=False
+    )
 
 if __name__ == "__main__":
     main()