Hygiene, Monthly Environment Sweep

Comprehensive hygiene for this Mac. Four scopes: Disk, Vault, Claude, Packages.

Default mode: REVIEW-ONLY. Present findings in tiered format (Safe / Verify / Keep) with counts, sizes, and a clear summary. Wait for the owner's explicit approval before any destructive action. When deleting, use mv ~/.Trash/<dated-folder>/ (reversible 30 days), never rm -rf.

Output Targets

1. Chat: concise tiered report (Safe to delete / Needs verification / Keep)
2. Vault log: <maintenance-log>/YYYY-MM.md (created each run with full findings, decisions, actions taken)

Hard Rules (Never Skip)