checkpoint

End-of-session safety sweep for the kvm-pilot project — "is everything I did this session safe to leave?" Invoke at the end of a work session (or when the user says "checkpoint", "safe to stop?", "wrap up", "am I done here") to verify nothing is quietly unsaved: uncommitted/unpushed code, an unrecorded decision, a stale resume pointer, or a doc (README/CHANGELOG/mcp README/SKILL) that now lies about shipped…