Generation and speculative-decoding paths increasingly transform key/value caches instead of treating them…

Generation and speculative-decoding paths increasingly transform key/value caches instead of treating them…: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). Keep behavior outside these bookkeeping and transformation boundaries unchanged; callers should continue to…