* Implement Alteration types and engine
* Implement Alteration APIs
* Refactor activity work item with support for activity input
* Serialize scheduled activities as part of workflow state
* Add signal to schedule child activity
* Implement stores for plans and jobs
* Add EF Core provider
* Add Retry endpoint
* Keep root context as always active. The root context is the workflow execution context and contains persistent variable state
* Regenerate EF Core migrations
* Handle orphaned activity execution contexts
* Refactor workflow execution factory
* Enable configuring Jint from Program
* Update ModifyVariable alteration with support for type deserialization
* Use ShortGuid for identity
* Cleanup WorkflowServer host
* Implement Incident Strategy interface and resolver
* Add ActivityIncident model
* Add IncidentCount and Incidents properties and update migrations
* Expose incident strategies API endpoint
* Update API client with Incident Strategy models
* Replace Fault with Incidents
* Register fault status when any children have faulted
* Map incident count
* Remove unnecessary AlreadyCompleted result
* Ensure next activities are scheduled only if activity completed normally
* Incident roundtrip and fix workflow instance realtime updates
* Remove unused variable
* Add integration tests