Re-review after fixes: status clean (0 Critical/Warning). All 5 findings
from the prior pass resolved across 4 atomic fix commits:
- WR-01: treat empty/blank TZ as unset in the D-06 fallback chain
- WR-02: derive seed `seeded` flag from INSERT IGNORE affectedRows (accurate
under concurrent race; D-03 no-overwrite preserved)
- IN-01/02: reuse fetched row on GET unset path; centralize D-06 fallback
- IN-03: memoize household timezone per outbox drain cycle
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
