{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://bmad-spec/schemas/epic.schema.json",
  "title": "Epic",
  "type": "object",
  "additionalProperties": false,
  "required": ["id", "title", "description", "stories"],
  "properties": {
    "id": { "type": "string", "pattern": "^EP-[0-9]{3}$" },
    "title": { "type": "string", "minLength": 1 },
    "description": { "type": "string", "minLength": 1 },
    "business_value": { "type": "number", "minimum": 0 },
    "priority": { "type": "string", "enum": ["must", "should", "could"] },
    "stories": { "type": "array", "items": { "type": "string", "pattern": "^US-[0-9]{3}$" } }
  }
}