{
  "schema_version": "2",
  "name": "ZeroGPU Test",
  "runtime": { "default": "client" },
  "references": [
    {
      "id": "ref_prompt",
      "role": "reference",
      "label": "Prompt",
      "asset_type": "text",
      "inputs": [{ "id": "in", "label": "Text", "type": "text" }],
      "outputs": [{ "id": "out", "label": "Text", "type": "text" }],
      "data": { "out": "hello world" },
      "x": 60, "y": 180, "width": 220, "height": 160
    }
  ],
  "operators": [
    {
      "id": "op_generate",
      "role": "operator",
      "kind": "fn",
      "fn": "generate",
      "label": "generate",
      "inputs": [{ "id": "in_prompt", "label": "prompt", "type": "text" }],
      "outputs": [{ "id": "out_0", "label": "output", "type": "text" }],
      "data": {},
      "x": 340, "y": 120, "width": 220, "height": 120
    }
  ],
  "subjects": [
    {
      "id": "sub_result",
      "role": "subject",
      "label": "Result",
      "asset_type": "text",
      "inputs": [{ "id": "in", "label": "Text", "type": "text" }],
      "outputs": [{ "id": "out", "label": "Text", "type": "text" }],
      "data": {},
      "x": 620, "y": 180, "width": 220, "height": 160
    }
  ],
  "edges": [
    { "id": "e1", "from_node_id": "ref_prompt", "from_port_id": "out", "to_node_id": "op_generate", "to_port_id": "in_prompt", "type": "text" },
    { "id": "e2", "from_node_id": "op_generate", "from_port_id": "out_0", "to_node_id": "sub_result", "to_port_id": "in", "type": "text" }
  ],
  "view": { "default": "canvas" }
}