{
  "id": "api-data-advanced",
  "kind": "api",
  "summary": "Advanced schema modeling: *.entity.ts/*.relations.ts split with relations + eager loading, full-text search, dbEnum, array + generated + encrypted columns, and declarative query caching. A small library/catalog (authors + books).",
  "tags": ["api", "backend", "schema", "relations", "fts", "enum", "encryption", "cache", "advanced"]
}