{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "StellaOps Reachability Bench Schema",
  "description": "Schema for synthetic reachability bench callgraph/runtime fixtures.",
  "type": "object",
  "oneOf": [
    {
      "title": "Callgraph",
      "required": ["function", "calls", "weight"],
      "properties": {
        "function": { "type": "string" },
        "calls": {
          "type": "array",
          "items": { "type": "string" },
          "minItems": 0
        },
        "weight": { "type": "integer", "minimum": 0 }
      },
      "additionalProperties": false
    },
    {
      "title": "RuntimeTrace",
      "required": ["function", "count", "timestamp"],
      "properties": {
        "function": { "type": "string" },
        "count": { "type": "integer", "minimum": 0 },
        "timestamp": { "type": "string", "format": "date-time" }
      },
      "additionalProperties": false
    }
  ]
}