v0.9.1

LiteLLM Integration & UI Overhaul

July 7, 2025

Complete architectural replacement of Langchain with LiteLLM for unified multi-provider support. Major UI overhaul with collapsible message grouping, improved code output, and mobile-optimized design.

✨ New Features

  • LiteLLM integration - replaced Langchain with unified API for all LLM providers
  • Reasoning models streaming support with visible chain-of-thought (DeepSeek R1, etc.)
  • Message grouping system - organized UI with collapsible messages by type
  • Streamable HTTP MCP servers support
  • Openrouter as default provider for better flexibility

⚡ Improvements

  • Improved code execution tool output with terminal-like appearance and session info
  • Scrollable tables and code blocks with enhanced rendering
  • Mobile-optimized UI with space-efficient design
  • Auto-collapse/expand for all messages of the same type
  • LLM API URL field for Azure, Ollama, and custom providers
  • Unified interface for reasoning tokens across all providers
  • Enhanced message headings showing relevant context