title: Include Goal Fail Which Mutates Replaces A Body Goal With Fail required status: active text_ref: readme:README.md#L122 tags:

• strict-modeling
• confidence:0.90
• confidence-band:high
• provenance:readme-readme-md-l122
• lane:strict
• fact:property_value

fact_kind: property_value subject_key: operators.include_goal_fail property_key: include_goal_fail_which_mutates_replaces_a_body_goal_with_fail canonical_key: knowledge-source-readme:operators.include_goal_fail:include_goal_fail_which_mutates_replaces_a_body_goal_with_fail:polarity:require operator: eq value_type: bool value_bool: true polarity: require claim_key: CLAIM-167FB02AB48BA73D claim_text: 'Operators must include goal_fail, which mutates: Replaces a body goal with fail.' origin: kind: agent recorded_at: '2026-10-29T16:05:28.632Z' id: FACT-PROP-496724F36738DD57 type: fact ---