- README: status bump to sprint 3, test counts refreshed (164/86/105), IPv6 note for the e2e runner
- CHANGELOG: sprint 3 entry under [Unreleased] (multi-tech model + matrix endpoint + auto-save UI); sprint 2 moved to its own [Sprint 2] section (merged 2026-05-27)
- tasks/lessons.md: 6 lessons captured (2-pass spec-review, inline summary scoping, "test in brief means test in commit" discipline, SQLite batch_alter_table, real migration round-trip, modal Apply 0 disambiguation)
- tasks/todo.md: status flipped to 🟢 SPRINT COMPLET, execution sequence ticks updated with commit hashes
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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