The existing MANDATORY acceptance_criteria instruction is purely advisory —
executor agents read it and silently skip criteria when they run low on
context or hit complexity. This causes planned work to be dropped without
any signal to the orchestrator or verifier.
Changes:
- Replace advisory text with a structured 5-step verification loop
- Each criterion must be proven via grep/file-check/CLI command
- Agent is BLOCKED from next task until all criteria pass
- Failed criteria after 2 fix attempts logged as deviation (not silent skip)
- Self-check step now re-runs ALL acceptance criteria before SUMMARY
- Self-check also re-runs plan-level verification commands
Closes#1958
Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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