{
  "schemaVersion": 2,
  "fixed": [
    {"localPath": "media/fixed/grid-acid-lime-v1.png", "label": "Acid-lime retro grid", "purpose": "Signature proof-first and browser-step background."},
    {"localPath": "media/fixed/grid-electric-blue-v1.png", "label": "Electric-blue retro grid", "purpose": "Signature coding-agent and terminal-step background."},
    {"localPath": "media/fixed/grid-warm-cream-v1.png", "label": "Warm-cream retro grid", "purpose": "Signature closing and final-result background."}
  ],
  "proofInputs": [
    {"input": "examples/batman-arkham-first-run/input.json", "output": "examples/batman-arkham-first-run/final.mp4", "purpose": "Cross-format proof that directly addresses the failed blind-agent Batman run."},
    {"input": "examples/animal-conversations-compositor/input.json", "output": "examples/animal-conversations-compositor/final.mp4", "purpose": "Second distinct input through the same compositor."}
  ],
  "sourceReference": {
    "exampleOutput": "examples/batman-arkham-first-run/final.mp4",
    "referenceInput": "examples/batman-arkham-first-run/poster.jpg",
    "referenceNote": "Both public proof videos are direct outputs of runtime/tutorial-video.jsx from editable ingredient JSON; the Batman proof is the canonical regression target.",
    "verification": "Receipts bind input, runtime, and output hashes; contact sheets show the packaged signature features."
  },
  "policy": "All variable media is explicitly authorized with provenance in its input JSON. No provider-generated assets are created by the runtime."
}