* chore: remove auto-focus for now
* refactor: move react-hook-form Controller Logic to AgentSelect from AgentPanel
* fix: a11y focus issue with AgentSelect by never replacing it in its component tree
* fix: maintain ComboBox focus and force re-render on agent ID change in AgentPanel
* chore: `gemini-2.0-flash-lite-preview-02-05` (deprecated)
* refactor: extract cache control logic and headers configuration to helper functions in AnthropicClient
* feat: anthropic agents prompt caching
* chore: bump @librechat/agents and related dependencies
* fix: typo
* wip: initial cache control implementation, add typing for transactions handling
* feat: first pass of Anthropic Prompt Caching
* feat: standardize stream usage as pass in when calculating token counts
* feat: Add getCacheMultiplier function to calculate cache multiplier for different valueKeys and cacheTypes
* chore: imports order
* refactor: token usage recording in AnthropicClient, no need to "correct" as we have the correct amount
* feat: more accurate token counting using stream usage data
* feat: Improve token counting accuracy with stream usage data
* refactor: ensure more accurate than not token estimations if custom instructions or files are not being resent with every request
* refactor: cleanup updateUserMessageTokenCount to allow transactions to be as accurate as possible even if we shouldn't update user message token counts
* ci: fix tests
