CLAUSE IIISIX LAYERS
BoardMgmtExecSuperAuditRework
  §    LAYER          DUTY                              OVERSEEN BY
  ───  ─────────────  ────────────────────────────────  ───────────
  I    BOARD          sets direction                    —
  II   MANAGEMENT     decomposes work, holds the plan   Board
  III  EXECUTION      writes the code                   Management
  IV   SUPERVISION    watches in real-time              Audit
  V    AUDIT          reviews against the promise       Board
  VI   REWORK         re-runs rejected work             Audit

RULE

no layer self-approves. every artifact has two signers. the audit can veto the engineer.