helixscreen

Refactor QIDI_SUPPORT.md for clarity and consistency

fix(snapmaker-release): use snapmaker_u1.json (underscore) in release packaging

test(moonraker): bulk-tag [eventloop] cases as [slow] per L052

test(moonraker): restore [slow] tag on rapid create/destroy stress test [L052]

chore(xml-linter): regenerate schema (scroll_dir, hide_target_below_bp; drop retired tokens)