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Changelog

All notable changes to this project will be documented in this file.

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

0.6.0 (2025-01-21)

Added

  • Type-safe context validation with generic AgentContext
  • New tool registration decorators (@tool, @tool_plain) with type validation
  • Type validation for SwarmStream and Swarm public API
  • Explicit agent switching via ToolResult.switch_to method

Changed

  • BREAKING: Refactored Core API to be fully type-safe
  • BREAKING: Reworked agent switching to be stateless and explicit
  • BREAKING: Simplified Chat components with unified ChatContext
  • Reorganized examples into basics and advanced categories
  • Updated all documentation to reflect type-safe API changes

Removed

  • Experimental SwarmTeam prototype module
  • Generic message types in favor of type-safe alternatives
  • Swarm team types and exceptions

Fixed

  • Yield agent completion event at iteration end

0.5.1 (2025-01-09)

Added

  • Added missing common types (e.g. LLM and ContextVariables) to global namespace

Fixed

  • Resolved mypy type variance issues with generic types

0.5.0 (2025-01-09)

Added

  • Chat components built on top of Swarm and SwarmTeam for building chat applications
  • Type-safe structured outputs with Pydantic model support
  • New events for managing agent flow (activate, begin, complete, response)
  • TypeVar type checking trick to work around Pydantic bound generics
  • New examples showcasing chat and team chat functionality

Changed

  • BREAKING: Reworked core Swarm API to be fully stateless
  • BREAKING: Removed session management in chat components
  • Reorganized SwarmTeam to be stateless with streaming API support
  • Simplified field names and event model naming for consistency
  • Updated all examples to use new stateless API
  • Improved type safety around response formats
  • Simplified swarm team types generics
  • Renamed get_result to get_return_value for ReturnableAsyncGenerator

Removed

  • Obsolete MessageStore, ContextManager, EventHandler
  • Redundant unwrap utils
  • Ambiguous messages file
  • Deprecated types and components

0.4.0 (2024-12-26)

Added

  • ReturnableAsyncGenerator for unified event streaming API
  • RAG strategy configuration type for better context optimization control
  • Tool call result field for improved result handling
  • Serialization support for agent instructions and LLM tools

Changed

  • Refactored event streaming architecture with cleaner separation of concerns
  • Embedded completion response into agent response model for better encapsulation
  • Renamed event models to remove redundant "Swarm" prefix
  • Removed SwarmStream in favor of ReturnableAsyncGenerator
  • Updated event handler to use new streaming API
  • Improved documentation with up-to-date examples for core components

Removed

  • Deprecated SwarmStream module
  • Redundant tool call event in favor of result-only events

0.3.0 (2024-12-23)

Added

  • Async interface for MessageStore protocol and implementations
  • Batch operations for message management (add_messages, remove_messages)
  • Unified ContextManager interface with create_context, optimize_context, and find_context methods

Changed

  • Renamed response types to better reflect streaming nature (AgentResponseChunk, CompletionResponseChunk)
  • Updated event types to match new response chunk naming
  • Improved context management to use MessageStore for data access
  • Enhanced usage and cost tracking in REPL with proper accumulation

Fixed

  • Usage statistics accumulation in streaming responses

0.2.0 (2024-12-20)

Added

  • New message management system with MessageStore, MessageIndex, and ContextManager
  • Event system with ConsoleEventHandler and SwarmEventHandler
  • SwarmStream wrapper for improved response handling and parsing
  • Task context and plan ID support
  • New REPL commands for optimization and search

Changed

  • Refactored stream handler to use event-based system
  • Enhanced message and context management
  • Improved type system with stricter checks
  • Updated examples to use new event system

Fixed

  • Context update and retry mechanism improvements
  • Tool call pair filtering enhancements
  • Response format and cleanup handling
  • Variable initialization and error logging

Removed

  • Legacy stream handler and summarizer
  • Unused types and context keys

0.1.1 (2024-12-10)

Added

  • Add py.typed file to support type checking with mypy

0.1.0 (2024-12-09)

Added

  • Core agent system with LLM-agnostic design and 100+ model support
  • Multi-agent orchestration with structured outputs
  • Real-time streaming and context management
  • Tool integration system with flexible agent switching
  • Production-ready examples (REPL, Mobile App Team, Software Team)