v0.3.53

chore(claude): the ship-to-main skill

Writes down the two-remote landing sequence — commit on devel, push devel
to forgejo, fast-forward main, push main to both — so it stops being
re-derived from `git remote -v` every time.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>