tegwick 0d978b1417 feat(canon): add contribution-convention v0.1, contrib/ templates, and first UPR artifact ...

- canon/standards/contribution-convention_v0.1.md: master spec for BR/FR/EP/UPR
  artifact types, directory layout, frontmatter schema, ID schemes (EP-DOMAIN-NNN
  for extension points), status lifecycle, and relationship to State Hub
- canon/standards/contrib-templates/: four template files (br, fr, ep, upr)
- contrib/upstream-prs/2026-02-26--observablehq--framework--toc-sidebar-inject.md:
  first real UPR artifact — proposes injectTocTop() to Observable Framework

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-02-28 17:28:13 +01:00

..

2026-02-26--observablehq--framework--toc-sidebar-inject.md

feat(canon): add contribution-convention v0.1, contrib/ templates, and first UPR artifact

2026-02-28 17:28:13 +01:00