Extract inline SVG rules to references/inline-svg.md for progressive
disclosure. Add references/layout-legibility.md with 7 rules for
readable SVG output (text sizing, contrast, margins, chart patterns,
palettes) based on concrete failure modes from issue #4.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
The single ai-skills plugin becomes plugins/g4b_ai/ inside a
reliquary-named Claude marketplace. Root README/CLAUDE.md now
describe the marketplace; the plugin's own docs move alongside it.
This makes room for additional themed plugins and non-Claude
formats in parallel.