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.

[0.2.0] - 2026-02-06

Iris v0.11.0 Tool Features: Full support for multi-turn tool use workflows
- LLMToolResult type for representing tool execution results
- LLMReasoningOutput type for capturing model reasoning output
- LLMMessage.ToolCalls field for assistant messages with pending tool calls
- LLMMessage.ToolResults field for tool result messages
- LLMRequest.Instructions field for Responses API style prompts
- LLMResponse.Reasoning field for reasoning output from supported models
- LLMResponse.Status field for response completion tracking
Subpackage Organization: Reorganized codebase into logical subpackages
- core/ - foundational types, interfaces, and envelope
- graph/ - graph and builder implementations
- runtime/ - execution runtime and event system
- nodes/ - all node implementations
- Root petalflow.go provides backward-compatible re-exports
CI/CD Pipeline: GitHub Actions workflow with lint, test, build, and security scanning
Test Coverage: Increased sink_node test coverage from 50% to 95%
Documentation: Added README and example workflows

Initial release of PetalFlow
Core types: Envelope, Message, Artifact, TraceInfo
Node implementations: LLM, Tool, Router, Merge, Map, Filter, Transform, Gate, Cache, Guardian, Human, Sink
Graph builder with fluent API
Runtime with event system and step-through debugging
Iris adapter for provider integration
Example workflows demonstrating key features