tff.program managers are awkward to use from a non-async script

tff.program managers are awkward to use from a non-async script: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). state manager = tff.program.FileProgramStateManager(root dir='/tmp/run1') metrics manager = tff.program.CSVFileReleaseManager(file…