Staged binary assets available locally to the composition.
OptionalDataOpen map of frozen data snapshot values injected into the composition runtime (data[key]).
Relative path of the HTML entry file (e.g., 'index.html').
Text source files (HTML, CSS, JS, chart kit) making up the composition.
Target aspect ratio composition contained in this bundle.
Deterministic PRNG seed passed to the composition runtime.
Self-contained project bundle sent to the render worker (§7.1).