Modified launching

app.py

@@ -252,6 +252,8 @@ APP_CSS = """
 # Build immersive chat interface with overlay
 with gr.Blocks(
     title="GCP - Game Context Protocol",
+    theme=gr.themes.Soft(),
+    css=APP_CSS,
 ) as demo:
     # Initialize JavaScript functionality (minimal essentials only)
     gr.HTML("""
@@ -511,11 +513,16 @@ if __name__ == "__main__":
     demo.queue()
 
     if IS_HF_SPACES:
-        # On HF Spaces: Mount Gradio onto FastAPI so everything runs on port 7860
-        # This is required because HF Spaces only exposes one port
-        app = gr.mount_gradio_app(fastapi_app, demo, path="/")
-        print("🚀 Starting combined FastAPI + Gradio on port 7860")
-        uvicorn.run(app, host="0.0.0.0", port=7860, log_level="info")
+        # On HF Spaces: Both FastAPI and Gradio must share port 7860
+        # Mount Gradio at root, FastAPI routes are already on fastapi_app
+        print("🚀 Starting on HF Spaces - mounting Gradio on FastAPI")
+
+        # Mount Gradio onto FastAPI at root path
+        # Note: Gradio will handle "/" and its own routes, FastAPI handles /view/*, /api/*, /health
+        combined_app = gr.mount_gradio_app(fastapi_app, demo, path="/")
+
+        # Run combined app
+        uvicorn.run(combined_app, host="0.0.0.0", port=7860, log_level="info")
     else:
-        # Local dev: FastAPI already running on 8000, just launch Gradio on 7860
+        # Local dev: FastAPI already running on 8000 (started above), just launch Gradio on 7860
         demo.launch(server_name="0.0.0.0", server_port=7860)

requirements.txt

@@ -7,7 +7,7 @@ requests
 mcp>=1.0.0
 
 # Chat Interface
-gradio>=5.0.0,<6.0.0
+gradio
 
 # LLM
 openai