campaign(per-harness) verification matrix: 12 coverage areas (migration determinism/idempotence, mixed-shape R11/R17, timeout_minutes R18, retained fields R19, deepest-leaf R12, rewrite mechanics, byte/mtime, seam-interleaved race, resolver/spawn, catalogs, doctor-pi pin) — found+fixed deepest-leaf recovery and project-tier historian filtering; 4 packages whole-suite green

Co-Authored-By: Alfonso <alfonso@cortexkit.io>