* Add CanExecuteAsync precondition method
* Rename GetInput to GetWorkflowInput to disambiguate between input sent to workflow and input sent to indiviudal activities.
* Incremental work on WorkflowStateSerializer
* Update Flow HTTP Request activity to default to Done outcome
* Fix reference handling
* Fix polymorphic object converter
* Add comments
* Add support for registering type alias during DI setup via options
* Fix trigger and bookmark payload persistence
* Update sample model
* Add support for custom dictionary types
* Split general serializer options provider into focused serializer services
* Formatting
* Update migrations
* Incremental work
* Enable control over when to include full compositie root
* Cleanup
* Update WorkflowDefinitionActivity
* Implement input as variables
* Delete unused class
* Remove less common types
* Rename ExpandoObject to JSON
* Implement variable scoping
* Remove parent/child relationship from MemoryRegister
* Add support for sending input to "trigger event" endpoint
* Add support for configuring input storage driver
* Remove unused namespace imports
* Auto-register activity types when running a workflow
* Fix missing variables from containers
* Add array support for input/output arguments
* Add alias support for nullable types
* Refactor workflow definition store API
* Fix array and ui hint setting of input/output definition
* Refactor workflow instance store API
* Add XML comments
* Refactor trigger and bookmark store API
* Incremental work on Telnyx integration
* Incremental port of Telnyx activities
* Fix polymorphic JSON serialization for webhook data
* Fix IsFirstPass logic
* Fix trigger base to prevent activity auto completion
* Temporarily disable persistent snapshotting provider for testing
* Fix namespaces
* Add method to register activities in bulk using marker type
* Fix Telnyx refit client setup
* Register all Telnyx activities by default
* Incremental work on webhook driven resumption and correlation
* Incremental work on post-bookmark signaling
* Fix bookmark resolution
* Include correlation ID with bookmark
* Fix Telnyx resumption input
* Replace bookmark persisted signal with handler
* Fix SpeakText completion
* Add flow outcomes to SpeakText activity
* Update GatherUsingSpeak and GatherUsingaudio
* Refactor "is first pass" concept
* Fix WebhookEvent activity
* Add HTTP absolute URL provider
* Formatting and small changes
* Various API enhancements
* Delete DefaultWorkflowInvoker.cs
* Incremental work
* Refactor runtime
* Implement workflow state store + bookmark store
* Cleanup
* Update migrations
* Move store abstractions to management and runtime projects
* Consolidate persistence providers into single package
* Generate migrations
* Regenerate migrations
* Fix DI of memory stores
* Update migrations
* Refactor definition reference due to unserializable record
* Update web server bundle to use EF core by default
* Update Bookmark.cs
Fixes System Text Json deserialization
* Initial working grain
* Incremental work on actor bookmark management & resuming wokflows
* Upgrade Proto Actor package references
* Fix lifetime of actors
* Implement bookmark and resumption
* Update Program.cs
* Update bookmark event publishing
* Refactor proto actor features API
* Implement snapshotting
* Update snapshotting
* Add in-memory provider and use it by default
* Update server bundle to use proto actor sqlite persistence by default
