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r-irber-irbe/proof-skills/skills/lean-enforcement/SKILL.md

lean-enforcement

Skill3 starsChanged 24 days agoApache-2.0View on GitHub

USE FOR: running programmatic CI / pre-review / post-review gates for a Lean 4 project: axiom audit, council precheck. DO NOT USE FOR: semantic / judgement review (@lean-proof-review). TRIGGERS: enforcement, CI gate, axiom audit, council_precheck.

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SKILL.md

lean-enforcement

⚠️ MANDATORY (hot-tier): blocking scripts (council_precheck.sh, axiom_audit.py on sorryAx, workflow_gate.py on mandatory gates) are hard gates — a failure HALTS the calling workflow. Skipping Persist = incomplete.

Routing

  • USE FOR: running an individual enforcement script or the full enforce_all.sh pipeline; checking a build is clean before review; auditing axioms after a refactor; validating cross-module bridges; gating a workflow step.
  • DO NOT USE FOR: deciding whether a proof is correct (delegate to @lean-proof-review); scoring repository quality (delegate to @lean-quality-engine); routing across skills (delegate to @lean-gateway).
  • TRIGGERS: enforcement, CI gate, axiom audit, council_precheck, workflow_gate, ecosystem_health, sorry check.

Workflow

  1. Discover [discover] — identify the target gate (single script, group, enforce_all.sh, lean_diagnostics static abstract interpretation certificates [NatSubTruncation, NatDivModByZero, Zone DBM decreasing_by synthesis, Octagon conservation ±x_i ± x_j <= c, Bourdoncle WTO loop widening, trace partitioning], lean_counterexample_search with Galois-guided hypothesis domain pruning [analyzeHeaderHypothesisDomains / pruneHeaderNatDomain], the 22-rule lean-rules catalog via node tools/lean-lsp-mcp/bin/lean-rules.js as sub-second structural pre-checks before lake build, or pi-harness-bridge policy/unicode gates); read the repository's lakefile.lean
  • recent commit log.

Recovery & STOP

  • axiom_audit.py finds sorryAx → immediate STOP; escalate to proof author; do NOT mark the workflow green.
  • council_precheck.sh fails → STOP; fix build / sorry / convention / git state before retrying.
  • workflow_gate.py blocks a mandatory gate → STOP; complete the prerequisite gate, then retry.
  • Any blocking script crashes ×3 → STOP; file a bug against this skill.
  • Confidence < 90 % about which script to invoke → STOP, ask.

Handoffs

  • Predecessors / successors: see FM handoffs (grammar from ADR-0080).
  • Source spec: specs/lean/enforcement/requirements.md — every G-rule traces to an AC there.
  • Related ADRs: ADR-0076, ADR-0080.
  • Reference: see references/lean-enforcement-handbook.md for the full script inventory, integration matrix, anti-patterns, and the workflow-gate enforcement model (original v1 content, preserved verbatim).

Detailed reference

Full encyclopedic reference, decision trees, and lookup tables live in references/lean-enforcement-handbook.md .

See also

  • ../../references/lean-enforcement-handbook.md -- Complete lean-enforcement Handbook
  • ../lean-gateway/SKILL.md -- Top-level skill router

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