* Add Handoff orchestration pattern support
* PR feedback
* Use AOAI client in samples
* Adjust to tool
* Handoff to sub-agent via ai function
* PR feedback
* More cleanup
* Improvements
* PR feedback cleanup
* Add handoff migration sample.
* Remove type ignore
* fix markdown link formatting
* Remove readme link for non-existent sample
* Further observability cleanup and update telemetry samples
* Add VS Code Extension config
* Fix unit tests
* Fix unit tests
* Add more comments
* Remove live metric