fix: Gradio 6 compatibility and safe imports

app.py

@@ -437,7 +437,7 @@ def run_full_pipeline(
 
 
 def build_interface() -> gr.Blocks:
-    with gr.Blocks(title="Deploy Ready Copilot", theme=gr.themes.Soft()) as demo:
+    with gr.Blocks(title="Deploy Ready Copilot") as demo:
         gr.Markdown("### 🚀 Deployment Readiness Copilot")
         gr.Markdown(
             "**Upload your codebase or connect GitHub repo → Analyze → Select platform → Deploy**\n\n"
@@ -674,5 +674,6 @@ def build_interface() -> gr.Blocks:
     return demo
 
 
-demo = build_interface()
-demo.launch(mcp_server=True)
+if __name__ == "__main__":
+    demo = build_interface()
+    demo.launch(mcp_server=True)