drop-core Add transfer speed and ETA to CLI progress output #102
Description
Currently, the CLI shows progress as percentage and bytes transferred, but doesn't display transfer speed or estimated time remaining. This would improve UX significantly for large file transfers.
Implementation considerations:
- Calculate speed using a rolling average over the last few seconds to smooth out fluctuations
- Format bytes in human-readable units (KB/s, MB/s, GB/s) based on magnitude
- Calculate ETA based on current transfer speed and remaining bytes
Additional improvements:
- Show instantaneous and average speeds
- Add option to toggle between detailed and simple progress display
more info: #101 (comment)