99747cafb9
531-line completion report for Tier 1 review covering: - Goal & scope (per spec) - 7 phases of delivery (per commit) - 6 plan deviations to flag (CRITICAL: 7 production-affected test files + 4 follow-up mock fixes were missed in the original spec; the user's stated mass-rename send_result->send plan; the track was done on master not a feature branch) - Files changed (per category) - Verification (per the spec's 15 verification criteria) - Definition of Done - Recommended next track (send_result -> send rename) - Tier 1 review checklist