OptionalCaptionsMJ: Files ID for the sidecar WebVTT/SRT captions file when requested.
OptionalContactTiled contact-sheet MJ: Files IDs per format.
OptionalCriticTotal number of critic evaluation rounds executed before delivery.
OptionalGenerationProvenance, total seconds, C2PA flags, and spend for generated assets.
OptionalPosterMJ: Files ID for the captured poster still frame (PNG/JPEG).
Renderer version, seed, frame rate, and measured durations.
OptionalSourcePer-format composition source files and asset references.
Per-format rendered MP4 deliverables keyed by VideoFormat.
Packaged deliverables, source bundle, render metadata, and provenance manifest (§11.1).