memplan/review

Weekly memory hygiene skill. Compacts append-only files, resolves stale entries, merges overflow.mem, and regenerates all .plan.md files. Human-initiated only — compaction breaks the monotonic-append guarantee, so it must never run automatically.

All bulk rewrites go through memplan-cli.js (compact, stale-compact), which writes .backup files before every rewrite. This skill does NOT modify plan.mem or any mutable-key files — it only compacts append-only logs.

Phase 1: Pre-flight checks

1. Check .memplan/ exists:

   [ -d .memplan ] || { echo "No .memplan/ directory — run memplan/bootstrap first"; exit 1; }