VM / Session Disk Cleanup

Recover from or prevent disk-full situations in Claude's working environment.

Context

Both Cowork session VMs and Claude Code sandboxes have limited disk space. Long sessions with package installs, builds, and cached data can fill the disk completely. When full, ALL Bash commands fail with ENOSPC errors because the shell can't create temp files — a deadlock where you can't even diagnose the problem.

Cleanup Strategy

Run cleanups in phases — smallest operations first so they succeed even when disk is critically low.

Phase 1: Emergency (needs almost zero free space)

Run these first when disk is completely full or nearly full: