What the parts mean: carrier = task result · rear tokens = finished prerequisites · barrier = selected access policy · platform = review.
Fig 03 / SeneschalTasks wait, then pass their results
Select a part to see what it does.First prerequisite is running
Example: completed prerequisites and the selected access policy let a task result reach review. These controls do not run agents.A labelled handoff
The bright ticket travels with its result. Completed prerequisite output becomes context for a dependent session.