{
  "name": "fork",
  "description": "Spawns a fire-and-forget background thread that evaluates the child lambda; the parent continues immediately",
  "signature": {
    "children": {
      "*": {
        "type": "lambda",
        "description": "Executable child slot evaluated on the forked thread",
        "required": true,
        "mode": "ExecutableLambda",
        "cardinality": "OneOrMore",
        "role": "ExecutableBody",
        "evaluation": "EvalSelf",
        "projection": "Self"
      }
    },
    "scope": {
      "provides": "fork"
    }
  }
}