Extract duplicated token estimation code from both count_tokens endpoints
into a shared `estimateTokenCount` function to improve maintainability.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Added provider API host formatting utilities to handle differences between Cherry Studio and AI SDK.
- Introduced functions for formatting provider API hosts, including support for Azure OpenAI and Vertex AI.
- Created a simple API key rotator for managing API key rotation.
- Developed shared provider initialization and mapping utilities for resolving provider IDs.
- Implemented AI SDK configuration utilities for converting Cherry Studio providers to AI SDK configurations.
- Added support for various providers including OpenRouter, Google Vertex AI, and Amazon Bedrock.
- Enhanced error handling and logging in the unified messages service for better debugging.
- Introduced functions for streaming and generating unified messages using AI SDK.
- Unify buildClaudeCodeSystemMessage implementation in shared package
- Refactor MessagesService to provide comprehensive message processing API
- Extract streaming logic, error handling, and header preparation into service methods
- Remove duplicate anthropic config from renderer, use shared implementation
- Update ClaudeCodeService to use append mode for custom instructions
- Improve type safety and request validation in message processing
- Add support for anthropicApiHost configuration in providers
- Improve model filtering for Anthropic-compatible providers
- Add isAnthropicModel function to validate Anthropic models
- Update ClaudeCode service to support compatible providers
- Enhance logging and error handling in API routes
- Fix model transformation and validation logic
- Updated logging statements across various modules to provide more structured and detailed information.
- Changed log levels from info to debug for less critical messages to reduce log clutter.
- Enhanced error logging to include relevant context such as agentId, sessionId, and model details.
- Standardized log messages to follow a consistent format, improving readability and maintainability.
- Add shared Anthropic utilities package with OAuth and API key client creation
- Implement provider-specific message routing alongside existing v1 API
- Enhance authentication middleware with priority handling (API key > Bearer token)
- Add comprehensive auth middleware test suite with timing attack protection
- Update session handling and message transformation for Claude Code integration
- Improve error handling and validation across message processing pipeline
- Standardize import formatting and code structure across affected modules
This establishes the foundation for Claude Code OAuth authentication while maintaining
backward compatibility with existing API key authentication methods.
