repo mirror detach: drop the step count from the spinner
Commit

"N of 9 steps done" still exposed core's internal step numbering; the spinner now reads "Moving the repository" for the whole wait.
Co-Authored-By: Claude Opus 5.5 noreply@anthropic.com Claude-Session: https://claude.ai/code/session_01KvM3bkziUHdcD3GQFSWubD Entire-Checkpoint: 01M48RWBZQHTS6YBNNS0BMFDTG
Checkpoints
Checkpoint 1