I played some more but couldn't make it work. -- I am able to save alignment points to AlignData.xml -- They do get read after reboot -- but after that the mount is not aligned Maybe I am missing some option in the control panel? Here's my AlignData.xml:
<aligndata> <site name="2021-09-07@22:54:01" lon="237.967" lat="37.3767"> <point> <index> 6 </index> <synctime> 20.926 </synctime> <celestialra> 19.7613 </celestialra> <celestialde> 45.2127 </celestialde> <telescopera> 19.7333 </telescopera> <telescopede> 44.7901 </telescopede> </point> <point> <index> 0 </index> <synctime> 20.8117 </synctime> <celestialra> 16.4105 </celestialra> <celestialde> 19.5068 </celestialde> <telescopera> 16.3814 </telescopera> <telescopede> 19.1062 </telescopede> </point> <point> <index> 1 </index> <synctime> 20.8184 </synctime> <celestialra> 19.3829 </celestialra> <celestialde> 17.7939 </celestialde> <telescopera> 19.3548 </telescopera> <telescopede> 17.3969 </telescopede> </point> <point> <index> 5 </index> <synctime> 20.9047 </synctime> <celestialra> 23.0821 </celestialra> <celestialde> 28.2021 </celestialde> <telescopera> 23.0332 </telescopera> <telescopede> 28.5903 </telescopede> </point> <point> <index> 2 </index> <synctime> 20.8331 </synctime> <celestialra> 22.2759 </celestialra> <celestialde> 16.5113 </celestialde> <telescopera> 22.2281 </telescopera> <telescopede> 16.9009 </telescopede> </point> <point> <index> 3 </index> <synctime> 20.8394 </synctime> <celestialra> 1.15327 </celestialra> <celestialde> 17.527 </celestialde> <telescopera> 1.10414 </telescopera> <telescopede> 17.9171 </telescopede> </point> <point> <index> 4 </index> <synctime> 20.8796 </synctime> <celestialra> 0.178275 </celestialra> <celestialde> 59.2483 </celestialde> <telescopera> 0.123804 </telescopera> <telescopede> 59.6581 </telescopede> </point> </site> </aligndata>