Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- 21-04-SUMMARY.md with task details, deviations, known stubs - STATE.md: advanced to plan 4, updated progress 67%, added decisions - ROADMAP.md: phase 21 updated (4/6 summaries) - REQUIREMENTS.md: INPUT-01 and THEME-01 marked complete