Update app.py

app.py

@@ -1,12 +1,27 @@
-# app.py
-from api import api as fastapi_app, run_agent, run_all_agents
-from main import build_ui
+import os
 import gradio as gr
+import uvicorn
+from fastapi import FastAPI
 
-# Build Gradio UI and mount it onto the FastAPI app at "/"
-blocks = build_ui(run_agent, run_all_agents)
-app = gr.mount_gradio_app(fastapi_app, blocks, path="/")
+# --- FastAPI app ---
+api = FastAPI()
+
+@api.get("/ping")
+async def ping():
+    return {"message": "pong"}
+
+# --- Gradio app ---
+with gr.Blocks() as demo:
+    gr.Markdown("# Hello from Gradio + FastAPI")
+    txt = gr.Textbox(label="Type something")
+    out = gr.Textbox(label="Echo")
+    txt.change(lambda x: x, txt, out)
+
+# Mount Gradio inside FastAPI
+api = gr.mount_gradio_app(api, demo, path="/")
+
+if __name__ == "__main__":
+    port = int(os.environ.get("PORT", 7860))  # HF Spaces injects $PORT
+    uvicorn.run(api, host="0.0.0.0", port=port)
 
-# Hugging Face Spaces will look for a variable named `app`.
-# No need to call .launch() or start Uvicorn manually.