In september 3 years ago, we had jeppessen to have Luxus and Pibon to be made visible in all databases, you are the first one to come with this issue, Collins , universal and Honeywell as well as Garmin were contacted and confirmed that these points were accessible. This is the reason why the coordinates were removed from the briefing.
They are located on the enroute Rnav waypoints publication :
https://www.sia.aviation-civile.gouv...06_ENR-4.3.pdf
but be cautious these are not in decimal, but sexagesimal...Your provider should be giving you access to these points
As for exit on the middle taxiways, for the time being this is not really negotiable at the moment. Common sense will prevail, it is on the agenda, but winning a war goes through small battles, but I would rather give the middle taxyway exit against no limitation on movements...