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Changelog

All notable changes to the Graphlit TypeScript Client will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[1.1.0] - 2025-01-06

Added

  • Real-time streaming support with the new streamAgent method

    • Native streaming integration with OpenAI, Anthropic, and Google Gemini models
    • Automatic fallback to regular API calls when streaming providers are not available
    • UI-optimized event stream with automatic message accumulation
    • Support for tool calling during streaming conversations
    • Configurable chunking strategies (character, word, sentence)
    • Smooth streaming with configurable delays to prevent UI flicker

  • Custom LLM client support

    • setOpenAIClient() method to use custom OpenAI instances
    • setAnthropicClient() method to use custom Anthropic instances
    • setGoogleClient() method to use custom Google Generative AI instances
    • Support for proxy configurations and custom endpoints

  • Enhanced streaming features

    • AbortController support for cancelling ongoing streams
    • Conversation continuity - continue streaming in existing conversations
    • Comprehensive error handling with recoverable error detection
    • Tool execution with streaming responses
    • Real-time token-by-token updates

  • New TypeScript types

    • UIStreamEvent - High-level streaming events for UI integration
    • StreamEvent - Low-level streaming events for fine control
    • StreamAgentOptions - Configuration options for streaming
    • ToolHandler - Type-safe tool handler functions
    • AgentResult, ToolCallResult, UsageInfo - Supporting types

Changed

  • LLM client libraries (openai, @anthropic-ai/sdk, @google/generative-ai) are now optional peer dependencies
  • Improved TypeScript typing throughout the codebase
  • Enhanced error messages for better debugging

Fixed

  • Message formatting issues with trailing whitespace
  • Tool calling message role assignment
  • Conversation history handling in streaming mode
  • Pre-aborted signal handling
  • Google Gemini streaming text completeness

Technical Improvements

  • Queue-based chunk emission for consistent streaming behavior
  • Unicode-aware text segmentation using Intl.Segmenter
  • Proper cleanup of resources in test suites
  • Comprehensive test coverage for streaming functionality

[1.0.0] - Previous Release

Initial Features

  • GraphQL client for Graphlit API
  • Support for all Graphlit operations (content, conversations, specifications, etc.)
  • JWT-based authentication
  • Environment variable configuration
  • TypeScript support with generated types