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- 03-03-SUMMARY.md: documents all endpoint auth guards, ownership assertions, namespace isolation pattern, and SQLite compat deviations - STATE.md: advance to Plan 3/5 complete, add 6 key decisions (get_regular_user, 404-not-403, CASE WHEN, or_/is_(None), AI user namespace) - ROADMAP.md: mark 03-03-PLAN.md complete - REQUIREMENTS.md: mark SEC-04 and DOC-04 complete