* refactor: Update AnthropicClient to support Claude model naming changes
* Renamed `isClaude3` to `isClaudeLatest` to accommodate newer Claude models.
* Updated logic to determine if the model is part of the Claude family.
* Adjusted `useMessages` property to reflect the new model naming convention.
* Cleaned up client properties during disposal to match the updated naming.
* feat: Claude-4 Support
* feat: Add Thinking and Prompt caching support for Claude 4
* chore: Update ANTHROPIC_MODELS in .env.example for latest model versions
* 🔧 refactor: Update settings to use 'as const' for improved type safety and make gpt-4o-mini default model (cheapest)
* 📖 docs: Update README to reflect support for GPT-4.5 in image analysis feature
* 🔧 refactor: Update model handling to use default settings and improve encoding logic
* 🔧 refactor: Enhance model version extraction logic for improved compatibility with future GPT and omni models
* feat: GPT-4.5 tx/token update, vision support
* fix: $ref resolution logic in OpenAPI handling
* feat: add new 'anthropic-beta' header for Claude 3.7 to include token-efficient tools; ref: https://docs.anthropic.com/en/docs/build-with-claude/tool-use/token-efficient-tool-use
* 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
