element-handoff

Purpose

Implement a continuity element that survives scene boundaries. Unlike per-scene elements that unmount on scene end and remount on scene start (creating a visible flicker), an element-handoff element lives ABOVE the <Series> of scenes and reads composition-global frame, interpolating its properties smoothly across boundaries.

This is the formalization of the existing sharedLayers pattern in the Remotion atom — promoted to a first-class effect with its own atom so it can be discovered and reasoned about by the impl-brief atom.

Params (params.schema.json)