Carry the uncommitted off-switch into v0.4.1 and bump version to 0.4.1.
- runtime/auto-improve.js: PEPA_AUTO_IMPROVE=off skips the self-patcher,
which committed LLM diffs and checked out branches (observed 2026-05-28
checking out a stale local `main`). Direction is operator-drained
improvement_requests, not auto-apply — proposals still written to disk.
- package.json: 0.4.0 -> 0.4.1
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>