{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "required": ["parent-workflow-id", "product-decision-id", "blueprint-ref", "blueprint-sha256", "screens", "validation", "art-direction-deferred"],
  "properties": {
    "parent-workflow-id": {"type": "string", "minLength": 1},
    "product-decision-id": {"type": "string", "minLength": 1},
    "blueprint-ref": {"type": "string", "minLength": 1},
    "blueprint-sha256": {"type": "string", "pattern": "^[0-9a-f]{64}$"},
    "screens": {"type": "array", "minItems": 1, "items": {"type": "object", "required": ["id", "purpose", "primary-action", "content-priority", "desktop", "mobile", "states"], "properties": {"id": {"type": "string", "minLength": 1}, "purpose": {"type": "string", "minLength": 1}, "primary-action": {"type": "string", "minLength": 1}, "content-priority": {"type": "array", "minItems": 1}, "desktop": {"type": "object", "minProperties": 1}, "mobile": {"type": "object", "minProperties": 1}, "states": {"type": "array", "minItems": 1}}}},
    "validation": {"type": "object", "required": ["information-scent", "task-completion", "cognitive-load", "responsive-hierarchy"]},
    "art-direction-deferred": {"const": true}
  },
  "not": {"anyOf": [{"required": ["color-palette"]}, {"required": ["typography"]}, {"required": ["shadows"]}, {"required": ["visual-metaphor"]}]}
}