ln-650-persistence-performance-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}`. # Persistence & Performance Auditor (L2 Coordinator) **Type:** L2 Coordinator Coordinates 4 specialized audit workers to perform database efficiency, transaction correctness, runtime performance, and resource lifecycle analysis. ## Purpose & Scope - **Coordinates 4 audit workers** (ln-651, ln-652, ln-653, ln-654) running in parallel - Research current best practices for detected DB, ORM, async framework via MCP tools ONCE - Pass shared context to all workers (token-efficient) - Aggregate worker results into single consolidated report - Write report to `docs/project/persistence_audit.md` (file-based, no task creation) - Manual invocation by user; not part of Story pipeline - **Independent from ln-620** (can be run separately or after ln-620) **MANDATORY READ:** Load `shared/references/audit_runtime_contract.md`, `shared/references/audit_summary_contract.md`, and `shared/references/audit_coordinator_aggregation.md`. ## Runtime Contract Use `shared/scripts/audit-runtime/cli.mjs` as orchestration SSOT. Runtime phase map: 1. `PHASE_0_CONFIG` 2. `PHASE_1_DISCOVERY` 3. `PHASE_2_RESEARCH` 4. `PHASE_3_PREPARE_OUTPUT` 5. `PHASE_4_DELEGATE` 6. `PHASE_5_A...