### Description (GFI) Granular memory tracking for the KV cache. ### Task - [ ] Update `EpisodeCache` to compute the byte-size of its stored tensors. - [ ] Expose `reflex_episode_cache_bytes_total` as a Prometheus metric.
Description (GFI)
Granular memory tracking for the KV cache.
Task
EpisodeCacheto compute the byte-size of its stored tensors.reflex_episode_cache_bytes_totalas a Prometheus metric.