All seven ADRs were in draft/proposed/decided states — promote all to
Accepted now that the decisions are implemented and stable.
Add .claude/cos/adrs/README.md documenting the ADR lifecycle process.
Add KSA Workspace Standards section to CLAUDE.md (sourced from scaffold
at claude-scaffold/CLAUDE.md) so future sessions inherit workspace-wide
rules without needing a separate file load.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>