av stack sync leaves me on a detached HEAD after pruning merged branches

av stack sync leaves me on a detached HEAD after pruning merged branches: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). After it finishes, I'm no longer on feature-foo . git status shows HEAD detached at <some commit instead. I have to manually git checkout…