[Unreleased]

[0.5.0] - 2025-01-07

Added

• VertexAI provider for Claude models via Google Cloud
  • Uses Application Default Credentials (ADC) for authentication
  • Supports streaming and non-streaming modes
  • Model routing with NotImplementedError for unsupported models
• Unified fetch(messages, tools = [], &block) method across all providers
  • Normalized response format with :delta and :complete types
  • Consistent tool_calls structure: { id:, name:, arguments: }
  • Thinking content support in streaming responses
• Claude class for shared Anthropic protocol logic
  • Automatic system message extraction from messages array
  • Message normalization for tool results and tool_calls
• Environment variable support for provider configuration
  • OLLAMA_HOST for Ollama (default: localhost:11434)
  • OPENAI_API_KEY and OPENAI_BASE_URL for OpenAI
  • ANTHROPIC_API_KEY for Anthropic
  • GOOGLE_CLOUD_PROJECT and GOOGLE_CLOUD_REGION for VertexAI

Changed

• Refactored Anthropic provider to delegate to Claude class
• Refactored VertexAI provider to delegate to Claude class
• Updated default Anthropic model to claude-sonnet-4-20250514
• Updated default VertexAI model to claude-opus-4-5@20251101

Fixed

• Fixed streaming tool_calls accumulation in Ollama provider
• Fixed error responses to include response body for debugging
• Fixed VertexAI model name format (@ separator instead of -)

[0.4.0] - 2025-10-15

Added

• Added tool/function calling support to Ollama provider
• Ollama chat method now accepts optional tools parameter matching OpenAI signature
• Tools work in both streaming and non-streaming modes
• Added comprehensive test coverage for tool functionality

Changed

• Updated README with Ollama tools example
• Updated API coverage documentation

[0.3.1] - 2025-10-08

Fixed

• Added missing net-hippie runtime dependency to gemspec

[0.3.0] - 2025-10-08

Changed

• Refactored all providers to use net-hippie HTTP client
• Reduced code duplication across providers
• Improved error handling consistency

Added

• Added net-hippie dependency for cleaner HTTP interactions

[0.2.0] - 2025-10-08

• Add Ollama provider with streaming support
  • /api/chat endpoint with streaming
  • /api/generate endpoint with streaming
  • /api/embed endpoint for embeddings
  • /api/tags endpoint to list models
  • /api/show endpoint for model info
• Add Anthropic (Claude) provider with streaming support
  • /v1/messages endpoint with streaming
  • Support for system prompts
  • Support for tools/function calling
• Extend OpenAI provider
  • Add /v1/models endpoint
  • Add /v1/embeddings endpoint

[0.1.0] - 2025-10-07

• Initial release
• OpenAI provider with chat/completions endpoint
• Support for OpenAI-compatible APIs via custom base_url