PWG20240313: Local polarimetry for Run24

Report to Spin PWG: Status about local polarimetry monitoring for Run 24
- Radial polarization and 200 GeV after two 500 GeV setup need special attention 
- Local polarimetry will be based on BBC and ZDC
- Software/documentation/tips/notes from Ernst 
- Taoya (onsite) and Jinlong(remote)