Create ping.py

ping.py

@@ -0,0 +1,15 @@
+from fastapi import FastAPI
+
+def add_ping_route(app: FastAPI, chat_function):
+    """
+    Adds a /ping route to the given FastAPI app.
+    Calls the provided chat_function to verify it's working.
+    """
+    @app.get("/ping")
+    def ping():
+        """Simple health check that also calls the chat function."""
+        try:
+            result = chat_function()
+            return {"status": "ok", "chat_result": result}
+        except Exception as e:
+            return {"status": "error", "detail": str(e)}