Build a final, machine-readable argument snapshot from current H3 sections and refresh section fingerprints before merge. **Trigger**: argument snapshot, section ledger, consistency contract, final section manifest, 论证快照, 一致性契约. **Use when**: section-level mutations are complete and the merge needs
Build a final, machine-readable argument snapshot from current H3 sections and refresh section fingerprints before merge. **Trigger**: argument snapshot, section ledger, consistency contract, final section manifest, 论证快照, 一致性契约. **Use when**: section-level mutations are complete and the merge needs a current argument ledger plus content hashes.