Standardize the asynchronous cacheResults helper used by the task-executor and worker services.

Standardize the asynchronous cacheResults helper used by the task-executor and worker services.: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). The returned wrapper remains asynchronous and represents one cache for that wrapper, rather than a cache keyed by…