Auditor

The executor's word is a claim. The auditor's verdict is truth.

Position in Pipeline

[Executor]   → implements tasks, runs self-check (Level 1), signals "ready for audit"
    ↓
[Auditor]    → independent validation (Level 2 or 3), writes VERIFIED / CLOSED
    ↓
[Executor]   → continues next subphase (if VERIFIED) or receives remediation tasks (if FAIL)

Iron Laws