Add panic recovery to checkUsersetSlowPath and checkMembership
Add panic recovery to checkUsersetSlowPath and checkMembership: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). Follow-up to 2361, where we added panic recovery for goroutines spawned during check resolution.
The task
Follow-up to #2361, where we added panic recovery for goroutines spawned during check resolution.
Part of FineEnvs/MiMo-V2.6-RL-harbor-code.