Repository Instructions

Rust Rules

In Rust code, do not introduce unwrap() or expect().
Allowed exceptions:
Tests may use unwrap() or expect() when it keeps the test focused and readable.
Lock acquisition may use unwrap() only when the locking API makes that the practical option and the failure mode is poison handling rather than normal control flow.
Outside those exceptions, propagate errors, handle them explicitly, or use safer fallbacks instead of unwrap() and expect().

Do not introduce formatting-only changes.
Do not run repository-wide formatters or reflow unrelated code unless the user explicitly asks for formatting.
Keep diffs limited to semantic changes required for the task.