docs: update README with latest sprint progress and security fix

- Update timestamp and latest changes
- Add security fix notification
- Sprint 9 completion status
- Force HuggingFace rebuild

README.md

@@ -22,7 +22,14 @@ license: mit
 [![Security](https://img.shields.io/badge/security-A+-brightgreen.svg)](./tests/unit/test_security_middleware.py)
 
 **Author**: Anderson Henrique da Silva  
-**Last Updated**: 2025-09-20 07:28:07 -03 (São Paulo, Brazil)
+**Last Updated**: 2025-09-25 10:24:00 -03 (São Paulo, Brazil)
+
+## 📢 Latest Updates
+
+- ✅ **Sprint 9 Complete**: All 17 agents operational with memory integration
+- ✅ **ML Pipeline**: Training, versioning, and A/B testing framework added
+- ✅ **Security Fix**: Chrome client hints headers now properly handled
+- ✅ **75% Project Progress**: 9/12 sprints completed
 
 ## 🚀 Quick Start