Sprint goal: Close Phase 1 wiki quality debt — stereotype correction,
data integrity fixes, and atlas regressions — so the wiki stands
correct before Phase 1 UI work begins.
26 tickets: copy (18), client (5), server (3).
Epics #638, #683, #738 closed. #766 deferred (own sprint).
Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>