Check if a change breaks replay or affects recording determinism. Use when reviewing replay-sensitive edits touching proxy boundary logic, stream or protocol semantics, replay message handling, Go replay/control behavior, thread/fork behavior, weakref or finalizer timing, module interception coverage, or similar…
Instructions for retracesoftware/retracesoftware, covering retrace software, hard rules (non-negotiable), repo map, mental model and high-risk invariants.