Owner-approved one-time reseal (2026-11-09). Same BUG-1809 protocol; new tag only, older tags untouched. Sensitivity, not accuracy (BUG-1644). - sealed 20: top-1 0.30->0.35, top-3 0.45->0.50, MAE 6.75->6.75, 6/20 changed - offset 900: 78 runs changed in 3/20 cases; top-1 0.0100, coverage 0.8833 unchanged - live v5 231: 30 runs changed (12 cases); best=truth 8->8 - comparability: offset not_reducible 0, 224 runs with consistent exclusion Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01DbBXoyn7Hj3LCW3BUs5bZ8