Rooms API

Method	Path	Notes
`POST`	`/v1/rooms`	Body: `{ "room_id": "…" }`
`GET`	`/v1/rooms`	List rooms for the org
`GET`	`/v1/rooms/{room_id}`	Get one room
`DELETE`	`/v1/rooms/{room_id}`	Destroy room + sandboxes
`GET`	`/v1/rooms/{room_id}/audit`	Room audit events

curl -fsS -X POST "$FYSTASH_API/v1/rooms" \
  -H "Authorization: Bearer $FYSTASH_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"room_id":"room-demo-1"}'