ln-640-pattern-evolution-auditor

> **Paths:** File paths (`shared/`, `references/`, `../ln-*`) are relative to skills repo root. If not found at CWD, locate this SKILL.md directory and go up one level for repo root. If `shared/` is missing, fetch files via WebFetch from `https://raw.githubusercontent.com/levnikolaevich/claude-code-skills/master/skills/{path}`. # Pattern Evolution Auditor **Type:** L2 Coordinator L2 Coordinator that analyzes implemented architectural patterns against current best practices and tracks evolution over time. ## Purpose & Scope - Maintain `docs/project/patterns_catalog.md` with implemented patterns - Research best practices via MCP Ref, Context7, WebSearch - Audit layer boundaries via ln-642 (detect violations, check coverage) - Calculate 4 scores per pattern via ln-641 - Track quality trends over time (improving/stable/declining) - Output: `docs/project/patterns_catalog.md` (file-based) **MANDATORY READ:** Load `shared/references/audit_runtime_contract.md`, `shared/references/audit_summary_contract.md`, `shared/references/audit_coordinator_aggregation.md`, and `shared/references/audit_coordinator_domain_mode.md`. ## Runtime Contract Use `shared/scripts/audit-runtime/cli.mjs` as orchestration SSOT. Runtime phase map: 1. `PHASE_0_CONFIG` 2. `PHASE_1_BASELINE_DETECTION` 3. `PHASE_2_RESEARCH` 4. `PHASE_3_DOMAIN_DISCOVERY` 5. `PHASE_4_BOUNDARY_AUDITS` 6. `PHASE_5_PATTERN_ANALYSIS` 7. `PHASE_6_AGGREGATE` 8. `PHASE_7_GAP_ANALYSIS` 9. `PHASE_8_WRITE_REPORT` 10. `PHASE_9_RETURN_R...