- Do not change existing code or behavior outside the user’s explicit request.
- If something looks like a bug/typo or an “obvious fix”, ask first before changing it.
- Keep patches tightly scoped; avoid drive-by refactors, formatting-only edits, or “cleanup” unless requested.
- Do not add
#[cfg(...)]guards around HSBBF usage in other modules (e.g.src/fpr.rs);src/hsbbf.rsis already cfg-gated and we accept compilation failure when HSBBF isn’t available.