dsh-disk-audit v0.1.0

Disk-usage audit for DeepSeek Harness data directories.

• Total size, per-directory breakdown, largest directories, oversized-file warnings
• Cleanup suggestions (session logs can hit the ~512 MB stringify cap)
• CLI + agent-callable disk_audit tool, dsh-disk-audit/v1 reports
• Zero runtime deps, read-only; 6 unit tests, packed integration, dsh web boot smoke