GroomBook images live on the Gitea registry, not GitHub. Update SDLC,
coding-standards, and CLAUDE.md to match.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Keep this branch's SDLC content (cartsnitch-aligned structure). Drop
adff13f's changes — registry should remain ghcr.io, engineer self-merges
to dev, and tool-deviation policy stays at board approval.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>