chore(memory): capitalize audit-delta build, darwin runs, CLAUDE.md refactor
Registry batch covering 2026-06-11/12:
- BDR-020 audit-delta design, BDR-021 CLAUDE.md restructure
- LRN-027 periodic-skill state file, LRN-028 baseline contamination,
LRN-029 blind judges catch exception/blanket-rule contradictions
- EVAL-003 darwin run on audit-delta, EVAL-004 26-skill eval + 4-bug fix
- journal 06-11 + 06-12, TODO darwin-bugfix plan (all checked)
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>