Add /v1/chat/completions route for Vapi compatibility

app.py

@@ -69,7 +69,9 @@ def debug_endpoint():
     except Exception as e:
         return jsonify({"error": str(e)}), 500
 
+# Vapi uses /v1/chat/completions, add both routes
 @app.route("/chat/completions", methods=["POST", "OPTIONS"])
+@app.route("/v1/chat/completions", methods=["POST", "OPTIONS"])
 def chat_completions():
     # Log incoming request
     print("=" * 60)