Files
OpenNest/OpenNest.Engine
ajandClaude Opus 5.5 fbc23d6b64 feat(nesting): nest higher priority numbers first
Priority worked like a rank (lower first) with a default of 0, and the
Edit Drawing form stopped at 0, so moving one part ahead of the rest
meant renumbering every other drawing. Higher-first lets a user raise a
single part to 1 and leave everything else at the default.

Every engine, filler and candidate comparer now serves the highest tier
first. Stored values keep their order:
- .nest files add `nestPriority` and keep writing the negated value under
  `priority`, so older readers nest in the same order; files without
  `nestPriority` are negated on read. Drawing packages strip both, so
  package hashes are unchanged.
- Library settings send both keys the same way for older clients.
- Server schema v18 negates stored drawing priorities (an older server
  refuses the upgraded database).
- Job documents move to version 2; version 1 jobs are converted, and an
  older worker refuses version 2 instead of reversing the order.

The Edit Drawing form now accepts negative priorities and says higher
numbers nest first.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-11-03 11:02:07 -05:00
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