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Workflow shape

  1. Start session and open target doc.
  2. Apply a deterministic operation envelope.
  3. Validate manifest/layers.
  4. Export outputs.
  5. Cleanup temporary layers.
{
  "transactionId": "creative-pass-001",
  "doc": { "ref": "active" },
  "ops": [
    { "op": "createLayer", "name": "temp_work", "ref": "tempLayer" },
    { "op": "createTextLayer", "name": "Headline", "text": "Summer launch", "ref": "headline" },
    {
      "op": "setTextStyle",
      "target": "$headline",
      "font": "Avenir Next Bold",
      "fontSize": 96,
      "maxWidth": 900,
      "avoidOverlapWith": ["$tempLayer"]
    },
    { "op": "exportDocument", "format": "png", "output": "./tmp/creative-pass.png" },
    { "op": "deleteLayer", "target": "$tempLayer" }
  ],
  "safety": {
    "rollbackOnError": true,
    "onError": "abort"
  }
}

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Avoid common quality failures

  • Always set text style explicitly after createTextLayer.
  • Use maxWidth/maxHeight when typography must stay within frame.
  • Use overlap avoidance when foreground text can collide with images.
  • Keep cleanup ops (deleteLayer) in every test/design pass.

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Examples in repository

  • examples/real-world/blog-wireframe-date-nav.json
  • examples/real-world/instagram-reels-beach-coffee-3-variants.json
  • examples/real-world/instagram-reels-beach-coffee-3-variants-pass2.json