Optional high-frequency distillation: a recording tool-caller logs each MCP
call's shape (not values; sensitive/free-text redacted) to ~/.dws/usage.jsonl —
OFF by default, opt-in via DWS_USAGE_TRACKING=1. Powers dws shortcut
list/stats/suggest/add. userdef compiles ~/.dws/shortcuts/*.yaml into registered
shortcuts at runtime (conflicts with built-ins skipped).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>