The new skill measures before it changes anything (listing and SKILL.md sizes, hook output, messages and news, subagent runs, context re-read per turn) and works seven levers in order: listing, length, messages by the Peer protocol, subagents, graph first, hooks and the context window; every change waits for the operator's pick, and another repository's skills get a register task instead of a write. kvb-optimize runs it right after kvb-skill-essence.
context.py reports per UTC day, from the transcripts Claude Code keeps, the turns (one per message id, although the transcript repeats usage per content block), context tokens, median, p90, compactions and the shares of turns and tokens above each threshold, so no cron is needed. enable-plugins.js sets CLAUDE_CODE_AUTO_COMPACT_WINDOW to 500000 only where it is unset, as the operator's trial value; silence proposes a new one only with the series as evidence, never on its own. test_context and test_dream cover both.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
