Add necessary changes to app.py

app.py

@@ -257,4 +257,4 @@ For production, retraining should be scheduled (e.g., via a cron job) and served
 # 7. Application Entry Point
 # --------------------------
 if __name__ == "__main__":
-    interface.launch(server_name="0.0.0.0", server_port=7861)
+    interface.launch(server_name="0.0.0.0", server_port=7860)