{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Quantum Invariants Spine Schema (Minimal)",
  "type": "object",
  "properties": {
    "primitives": {
      "type": "array"
    },
    "composites": {
      "type": "array"
    },
    "version": {
      "type": "string"
    }
  }
}