if you can forgive a shameless plug, I wrote https://github.com/ddlsmurf/fled so...

ddlsmurf 45 days ago | parent | context | favorite | on: Show HN: F2 – Cross-Platform CLI Batch Renaming To...

if you can forgive a shameless plug, I wrote https://github.com/ddlsmurf/fled some time ago and it serves me very well to this day. (It's not half as advanced as OP's tool but still useful)