It feels weird to use a whole weekend to program a reverse engineered dashboard creator (https://codeberg.org/barefootstache/Simple-Dashboard-Maker) that can manually be done in less than a hour per dashboard.
Initial features:
I have made at least 5 dashboards manually before deciding to reverse engineer the process. Quite proud that the OSM template works as expected and was able to remove a set of home screen saved websites on mobile to use the template instead.