--- name: workerd-safety-review description: Memory safety, thread safety, concurrency, and critical detection patterns for workerd code review. Covers V8/KJ boundary hazards, lifetime management, cross-thread safety, and coroutine pitfalls. Load this skill when reviewing any C++ code. --- **Always** use the `docs/reference/cpp-safety-review-checklist.md` file for detailed checklists on memory safety, thread safety, and concurrency correctness when planning, writing, or reviewing code changes.