@startuml
'!include plantuml_options.txt
queue       TaskQueue   as queue
participant     "queue_jobs Task" as task
participant     "JobSubmitter.queue_jobs" as queue_jobs
participant     "JobSubmitter.dereference" as dereference
participant     "materialize Task" as materialize_task
participant     "Tool.handle_input_async" as handle_input
participant     "expand_meta_parameters_async" as expand
participant     "ToolAction.execute" as tool_action

queue -> task : <Launch Task>
task -> queue_jobs : QueueJobs pydantic model
queue_jobs -> dereference : RequestInternalToolState
dereference -> queue_jobs : RequestInternalDereferencedToolState
queue_jobs -> materialize_task : HDA (with state deferred)
materialize_task -> queue_jobs : return when state is okay
queue_jobs -> handle_input : RequestInternalDereferencedToolState
handle_input -> expand : RequestInternalDereferencedToolState
expand -> handle_input : JobInternalToolState[]
loop over expanded job tool states
    handle_input -> tool_action :
    tool_action -> handle_input : A Galaxy Job
end
@enduml