v0.3.0

Release Notes v0.3.0

Major New Features

Plugin System

• Added plugin system with static callbacks, HTTP middleware, and hook-based registration
• Added PluginManager for lifecycle management and error handling
• Hook system allows plugins to extend core functionality

OAP Integration

• Integration with OAP (Open AI Platform) for centralized MCP server management
• Remote MCP server configuration management through OAP APIs
• Token-based authentication with automatic refresh and logout
• OAP-backed file storage integration

MCP Client Management

• Session per chat for isolation and reliability
• Session reuse and automatic cleanup (300s timeout)
• Session storage with error recovery and restart capabilities
• Enhanced ClientSession with metadata support for resumption
• Proxy configuration support for MCP servers
• Custom headers support including authentication tokens
• TLS verification control options

Improvements

Tool Calls

• Real-time progress reporting for long-running tool calls
• Individual tool enabling/disabling per MCP server
• Improved error handling and recovery
• Configurable timeout and retry mechanisms

Model Support

• Azure OpenAI provider support
• OAP LLM provider integration
• Model verification with disable_streaming support
• Embedding model configuration

Agent & Chat

• Agent-owned conversation graphs
• Message window management for oversized contexts
• File processing with metadata preservation
• Option to disable default system prompts

Developer Experience

• Plugin hooks for MCP server configuration
• Real-time log streaming from MCP servers
• Configurable log levels and health check intervals
• Test coverage for plugin system and OAP integration
• Mock support for testing MCP integrations

API Changes

• New plugin management and configuration endpoints
• OAP authentication and configuration endpoints
• MCP server configuration refresh endpoints
• Model configuration API with embedding support
• Storage management system with plugin-extensible backends
• File upload handling with metadata preservation

Bug Fixes

• Fixed session hanging issues with improved error handling
• Improved MCP server restart mechanisms with configurable retry limits
• Better client state tracking and transition handling
• Proper resource cleanup when sessions fail or timeout
• Improved exception handling for MCP server communication
• Better error messages for configuration validation
• Improved network timeout and connectivity handling
• Updated to MCP SDK 1.9 and latest dependencies