Update changelog

Author: codeaholicguy

CHANGELOG.md

@@ -5,6 +5,18 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+### Added
+
+- **Agent Orchestration Skill** - New `agent-orchestration` skill for coordinating multi-agent workflows, including OpenAI agent configuration.
+
+### Changed
+
+- **TTY Writer** - Fixed sending enter separately for more reliable agent input delivery.
+- **Dependency Updates** - Upgraded project dependencies.
+- **Analytics Config** - Disabled Nx analytics in project configuration.
+
 ## [0.20.0] - 2026-03-12
 
 ### Added