usage: gz validate [-h] [--manifest] [--documents] [--surfaces] [--ledger]
                   [--decomposition] [--requirements] [--commit-trailers]
                   [--brief-headings] [--chores-layout] [--unscoped-rules]
                   [--evaluation-justify-binding [ARTIFACT_ID]]
  --documents           Validate governance docs
  --commit-trailers     Flag HEAD commits touching src/ or tests/ without a
  --chores-layout       Forbid CHORE.md/acceptance.json outside canonical
  --evaluation-justify-binding [ARTIFACT_ID]
    gz validate --documents --surfaces
