# Memory Index - [Backup memory topology](backup-memory-topology.md) — how sync.ps1 discovers every memory store, the two ecosystems, and the Roaming-junction gotcha - [Planning additive-only](planning-additive-only.md) — planning/ is never deleted from the backup; recovery was impossible; the CLAUDE.md note is still owed - [Museum](museum.md) — the generated archive museum: generator, constraints, graveyard/accounts conventions, sync.ps1 ritual wiring