PL j dZddlZddlmZmZmZddedededdfd Zd e dee e ffd Z dd eee efde dedeee effdZ dS)uBAnthropic prompt caching strategy. Single layout: ``system_and_3``. 4 cache_control breakpoints — system prompt + last 3 non-system messages, all at the same TTL (5m or 1h). Reduces input token costs by ~75% on multi-turn conversations within a single session. Pure functions -- no class state, no AIAgent dependency. N)AnyDictListFmsg cache_markernative_anthropicreturncX|dd}|d}|dkr |r||d<dS||dkr||d<dSt|tr d||dg|d<dSt|tr&|r&|d }t|tr ||d<dSdSdSdS) zFAdd cache_control to a single message, handling all format variations.rolecontenttool cache_controlNtext)typerr)get isinstancestrlistdict)rrrr r lasts 8/home/kuhnn/.hermes/hermes-agent/agent/prompt_caching.py_apply_cache_markerrs 7762  Dggi  G v~~  0#/C 'R--+O'3W| L L I '4  1W1r{ dD ! ! 1$0D ! ! !1111 1 1ttlc$ddi}|dkrd|d<|S)zCBuild a cache_control marker dict for the given TTL ('5m' or '1h').r ephemeral1hr)rmarkers r _build_markerr")s#$k2F d{{u Mr5m api_messages cache_ttlcxtj|sSt|}d}dddkrt d|||dz }d|z }fdt t D}|| dD]}t |||S) aApply system_and_3 caching strategy to messages for Anthropic models. Places up to 4 cache_control breakpoints: system prompt + last 3 non-system messages, all at the same TTL. Returns: Deep copy of messages with cache_control breakpoints injected. rr system)rcRg|]#}|ddk!|$S)r r')r).0imessagess r z1apply_anthropic_cache_control..Ks3VVVQ(1+//&2I2IX2U2Uq2U2U2UrN)copydeepcopyr"rrrangelen) r$r%rr!breakpoints_used remainingnon_sysidxr-s @rapply_anthropic_cache_controlr71s}\**H  9 % %F{v(**HQKBRSSSSA$$IVVVV%H ..VVVG z{{#VVHSM6DTUUUUU Or)F)r#F) __doc__r/typingrrrrboolrrr"r7r rrr;s """"""""""11T111Z^11114stCH~"tCH~& $sCx. r