The worker instructions still said `just check` before every PR; under D-60 a worker compiles every target, runs fmt, clippy on the crates touched and the unit's named tests, and the EM runs the exhaustive gate once per wave. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HS8WZziDnyxunC23MUxrLp