{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "required": ["status", "summary"],
  "properties": {
    "modul": {"type": "string"},
    "status": {"type": "string", "enum": ["active", "draft", "deprecated"]},
    "summary": {"type": "string"},
    "last_reviewed": {"type": "string", "pattern": "^\\d{4}-\\d{2}-\\d{2}$"},
    "review_cycle": {"type": "string", "pattern": "^\\d+d$"},
    "yt_epic": {"type": "string", "pattern": "^[A-Z]+-\\d+$"},
    "yt_issues": {"type": "array", "items": {"type": "string", "pattern": "^[A-Z]+-\\d+$"}},
    "tags": {"type": "array", "items": {"type": "string"}}
  },
  "additionalProperties": true
}