Adds audit:rebuild-chain --partition=<name> --from-id=<n> [--force] to MUTATING_RE
regex group. Required to rebuild hash chain on 2 broken partitions
(activity_log_y2026_m05 from id=599, balance_transactions_y2026_m05 from id=462)
after F1 advisory-lock migration applied.
Ref: docs/superpowers/plans/2026-05-29-audit-chain-race-fix.md Step 3.3