{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/SketchControlRequest",
  "title": "SketchControlRequest",
  "type": "object",
  "required": [
    "image",
    "prompt"
  ],
  "properties": {
    "image": {
      "type": "string",
      "format": "binary",
      "description": "The sketch or line drawing image to use as structural guidance."
    },
    "prompt": {
      "type": "string",
      "maxLength": 10000,
      "description": "Text describing the desired output image including content, colors, textures, and style."
    },
    "negative_prompt": {
      "type": "string",
      "maxLength": 10000,
      "description": "Text describing elements to exclude from the output image."
    },
    "control_strength": {
      "type": "number",
      "minimum": 0,
      "maximum": 1,
      "default": 0.7,
      "description": "Controls how closely the output follows the input sketch. Higher values produce outputs more faithful to the sketch structure."
    },
    "seed": {
      "type": "integer",
      "minimum": 0,
      "maximum": 4294967294,
      "default": 0,
      "description": "A value to control randomness in generation."
    },
    "output_format": {
      "type": "string",
      "enum": [
        "jpeg",
        "png",
        "webp"
      ],
      "default": "png",
      "description": "The output format of the generated image."
    }
  }
}