fixing mcp server not found issue

app.py

@@ -313,5 +313,7 @@ with gr.Blocks(title="PixelForge AI - Game Asset Studio") as demo:
     )
 
 if __name__ == "__main__":
+    # Enable MCP support via environment variable
+    os.environ["GRADIO_MCP_SERVER"] = "True"
     # Launch with MCP support enabled
-    demo.launch(mcp_server=True)
+    demo.launch()