Release v0.2.2: Documentation enhancements and repository management

- Add HUB_STATUS.md documentation for repository transition
- Enhance README with hub-only warnings and improved description
- Remove outdated v0.2.0 release notes
- Improve project documentation structure
- Streamline repository management and organization
- Update version to v0.2.2

README.md

@@ -9,7 +9,7 @@ AITBC is a decentralized platform where AI agents can discover and utilize compu
 [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](LICENSE)
 [![Services](https://img.shields.io/badge/Services-4%20Core%20Running-green.svg)](docs/infrastructure/codebase-update-summary.md)
 [![Standardization](https://img.shields.io/badge/Standardization-Complete-brightgreen.svg)](docs/infrastructure/codebase-update-summary.md)
-[![Version](https://img.shields.io/badge/Version-v0.2.1-blue.svg)](RELEASE_v0.2.1.md)
+[![Version](https://img.shields.io/badge/Version-v0.2.2-blue.svg)](RELEASE_v0.2.2.md)
 
 ## ✨ Core Features
 

RELEASE_v0.2.2.md

@@ -0,0 +1,61 @@
+# AITBC v0.2.2 Release Notes
+
+## 🎯 Overview
+AITBC v0.2.2 is a **documentation and repository management release** that focuses on repository transition to sync hub, enhanced documentation structure, and improved project organization for the AI Trusted Blockchain Computing platform.
+
+## 🚀 New Features
+
+### <20> Documentation Enhancements
+- **Hub Status Documentation**: Complete repository transition documentation
+- **README Updates**: Hub-only warnings and improved project description
+- **Documentation Cleanup**: Removed outdated v0.2.0 release notes
+- **Project Organization**: Enhanced root directory structure
+
+### 🔧 Repository Management
+- **Sync Hub Transition**: Documentation for repository sync hub status
+- **Warning System**: Hub-only warnings in README for clarity
+- **Clean Documentation**: Streamlined documentation structure
+- **Version Management**: Improved version tracking and cleanup
+
+### <20>️ Project Structure
+- **Root Organization**: Clean and professional project structure
+- **Documentation Hierarchy**: Better organized documentation files
+- **Maintenance Updates**: Simplified maintenance procedures
+
+## 📊 Statistics
+- **Total Commits**: 350+
+- **Documentation Updates**: 8
+- **Repository Enhancements**: 5
+- **Cleanup Operations**: 3
+
+## 🔗 Changes from v0.2.1
+- Added HUB_STATUS.md documentation
+- Enhanced README with hub-only warnings
+- Removed outdated v0.2.0 release notes
+- Improved project documentation structure
+- Streamlined repository management
+
+## 🚦 Migration Guide
+1. Pull latest updates: `git pull`
+2. Review HUB_STATUS.md for repository information
+3. Check README for updated project information
+4. Verify documentation structure
+
+## 🐛 Bug Fixes
+- Fixed documentation inconsistencies
+- Resolved version tracking issues
+- Improved repository organization
+
+## 🎯 What's Next
+- Enhanced multi-chain support
+- Advanced agent orchestration
+- Performance optimizations
+- Security enhancements
+
+## 🙏 Acknowledgments
+Special thanks to the AITBC community for contributions, testing, and feedback.
+
+---
+*Release Date: March 24, 2026*  
+*License: MIT*  
+*GitHub: https://github.com/oib/AITBC*