Discovered on July 12, did a short charge with M-CHARGE app.
There are 8 AC chargers in the golf parking, managed by M-CHARGE, but they don't appear in M-CHARGE app and I don't think any roaming app. If you scan the QR with the app, you can still pay with the app. I assume the M-CHARGE RFID would also work, I'd have to try another time.
Parking seems to be free. I couldn't find any sign telling who can or cannot park here. So I guess it's fair game to charge here even if you aren't visiting the golf or restaurant. There's not much else to do around though, but I guess you can also take a walk.
I have no idea since when those chargers might be there. On the Google Street View images from June 2023 there's nothing yet. So it doesn't seem like it's an upgrade from free/other chargers, it must have been a completely new install.