Claim:
- What the model says it finished.

Evidence found:
- Links, files, outputs, diffs, tests, screenshots, or logs that prove the claim.

Missing proof:
- Assertions that are still unverified.

Failure mode:
- Hallucination, fake completion, role drift, skipped step, or stale context.

Corrective action:
- Rerun, constrain, escalate, or hand to human review.

Done gate:
- The exact evidence required before closure.
