SKILL.md
Drill
Lock the next seam. Write only that seam.
Method
Work one level at a time. A higher lock that moves drops the in-flight slice.
- Language. Name the thing in the project's words. Stop until the name is shared.
- Obligation. Name what the slice guarantees: the behavior a caller can now rely on, and what
must stay true that already was. Then verify-with and rollback for each. Machinery is not implied by the guarantee. Do not open a staged transformation artifact.
- Place. Name the files, symbols, and runtime boundary. When coupling is unproven, trace the
path to closure first.
- Slice. Name the smallest write that keeps the obligation. Reuse first: search for the
existing rule and call it. Duplicate only with a named reason, and proximity is not a reason. Do not extract a wrapper that restates an existing operation. Then write it.
Prove discoverable technical questions from evidence. Structure remaining human-owned locks as explicit choices. Do not ask a lower question while a higher lock is open.
Escalate when ordered waves plus rollback must outlive the session.
Native notes only. No CONTEXT.md. No Suspec artifact.
Output
Return the four locks, the write, and the verify evidence as rendered Markdown. Keep evidence to the smallest untouched decisive excerpt.