xjzdZdefdZdZdS)aUsage metric helpers for WebUI display payloads. Prompt-cache hit percentage is cached prompt reads over the full prompt total (input + cache reads + cache writes). Keep this calculation in the backend so browser display code cannot drift across context indicator and per-turn labels. returncV t|pdS#ttf$rYdSwxYw)N)int TypeError ValueError)values ,/Users/bertmahoney/hermes-webui/api/usage.py_to_intr s>5:A z "qqs ((ct|}t|}|dks|dkrdStdt||z dzS)zReturn cached reads as a percent of full prompt-token total. ``prompt_tokens`` must include ordinary input, cache reads, and cache writes (matching Agent's ``session_prompt_tokens`` value). rNd)r minround)cache_read_tokens prompt_tokens cache_readprompts r prompt_cache_hit_percentrsW *++J ] # #FQ&A++t sE:.#566 7 77N)__doc__rr rrr rsCc 8 8 8 8 8r