* Prototype: Add request_info API and @response_handler
* Add original_request as a parameter to the response handler
* Prototype: request interception in sub workflows
* Prototype: request interception in sub workflows 2
* WIP: Make checkpointing work
* checkpointing with sub workflow
* Fix function executor
* Allow sub-workflow to output directly
* Remove ReqeustInfoExecutor and related classes; Debugging checkpoint_with_human_in_the_loop
* Fix Handoff and sample
* fix pending requests in checkpoint
* Fix unit tests
* Fix formatting
* Resolve comments
* Address comment
* Add checkpoint tests
* Add tests
* misc
* fix mypy
* fix mypy
* Use request type as part of the key
* Log warning if there is not response handler for a request
* Update Internal edge group comments
* REcord message type in executor processing span
* Update sample
* Improve tests
* Intro group chat and refactor magentic. Fix as_agent()
* Cleanup and improvements
* Add as_agent docstring clarification
* Standardize orchestration messages to use agent-style inputs.
* Simplify group chat constructs
* Further cleanup
* Add sk to af group chat migration sample. Update README.
* Improvements and simplifications
* consolidating shared orchestration logic
* Further clean up
* Add group chat sample
* Improve typing
* Fix test imports
* Fix readme links
* Cleanup per PR Feedback
* refactor AgentExecutor, add output_response flag for switching on or off workflow output for each agent.
* introduce add_agent
* make default agent's streaming to false
* address comments
* fix test
* add is_streaming to RunnerContext and WorkflowContext
* fix add_agent return
* fix tests
* address comments
* resolve conflict
* update to address comments
* fix