### CHANGES
- Remove redundant base URL trimming logic
- Append base URL directly without modification
- Eliminate conditional check for API version suffix
- Move golang.org/x/oauth2 from indirect to direct dependency
- Add OAuth login option for Anthropic client
- Implement PKCE OAuth flow with browser integration
- Add custom HTTP transport for OAuth Bearer tokens
- Support both API key and OAuth authentication methods
- Add Claude Code system message for OAuth sessions
- Update REST API to handle OAuth tokens
- Improve environment variable name sanitization with regex
## CHANGES
• Extract hardcoded model lists into shared constant
• Create ImageGenerationSupportedModels variable for reusability
• Update supportsImageGeneration function to use shared constant
• Refactor error messages to reference centralized model list
• Add documentation comment for supported models variable
• Import strings package in test file
• Consolidate duplicate model validation logic across files
### CHANGES
- Add model field to `BuildChatOptions` method
- Implement `supportsImageGeneration` function for model checks
- Validate model supports image generation in `sendResponses`
- Remove `mars-colony.png` from repository
- Add tests for `supportsImageGeneration` function
- Validate image file support in `TestModelValidationLogic`
### CHANGES
- Define `ImageGenerationResponseType` constant for response handling
- Define `ImageGenerationToolType` constant for tool type usage
- Update `addImageGenerationTool` to use defined constants
- Refactor `extractAndSaveImages` to use response type constant
## CHANGES
- Add web search tool for Anthropic and OpenAI models
- Add search location parameter for web search results
- Add image file output option with format support
- Update zsh completion with new search and image flags
- Update bash completion with new option handling logic
- Update fish completion with search and image descriptions
- Support PNG, JPG, JPEG, GIF, BMP image formats
## CHANGES
- Add `--image-file` flag for saving generated images
- Implement image generation tool integration with OpenAI
- Support image editing with attachment input files
- Add comprehensive test coverage for image features
- Update documentation with image generation examples
- Fix HTML formatting issues in README
- Improve PowerShell code block indentation
- Clean up help text formatting and spacing
## CHANGES
- Enable web search tool for OpenAI models
- Add location parameter support for search results
- Extract and format citations from search responses
- Implement citation deduplication to avoid duplicates
- Add comprehensive test coverage for search functionality
- Update CLI flag description to include OpenAI
- Format citations as markdown links with sources
### CHANGES
- Add `sourcesHeader` constant for citation section title.
- Use `strings.Builder` to construct result efficiently.
- Append sources header and citations in result builder.
- Update `ret` to use constructed string from builder.
## CHANGES
- Add --search flag to enable web search
- Add --search-location for timezone-based results
- Pass search options through ChatOptions struct
- Implement web search tool in Anthropic client
- Format search citations with sources section
- Add comprehensive tests for search functionality
- Remove plugin-level web search configuration
### CHANGES
- Add `review_code`, `extract_alpha`, and `extract_mcp_servers` patterns.
- Refactor the pattern extraction script for improved clarity.
- Add docstrings and specific error handling to script.
- Improve formatting in the pattern management README.
- Fix typo in the `analyze_bill_short` pattern description.
### CHANGES
- Enhance user message conversion to support multi-content.
- Add capability to process image URLs in messages.
- Build multi-part messages with both text and images.
