Agents die all the time; the pipeline's retry machinery re-queues their work. Skipping busy sleds just created version skew and manual retries for no real protection. `upgrade all` now sweeps every sled unconditionally. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_019fHdm92yjvguPi2LiXfLB9