Documents the dcat issue workflow rule, bun commands, and the
non-obvious invariants future agents need: dist/ is the single source
of truth for what ships, the Firefox 142 floor and no-gecko.update_url
constraint for AMO-listed distribution, the pinned qrcode-generator
SHA and UTF-8 override, and the popup error-path conventions.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
