{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Schemas and compatibility evaluation inputs",
  "description": "Explore how required fields, enum handling and semantic changes affect a consumer contract.",
  "type": "object",
  "required": [
    "required_field_present",
    "stage",
    "reader_tolerates_unknown",
    "units_changed"
  ],
  "properties": {
    "required_field_present": {
      "type": "boolean",
      "description": "Whether the original required field is present."
    },
    "stage": {
      "type": "string",
      "description": "Incoming lifecycle value."
    },
    "reader_tolerates_unknown": {
      "type": "boolean",
      "description": "Whether the consumer has an explicit unknown value branch."
    },
    "units_changed": {
      "type": "boolean",
      "description": "Whether the field meaning changed without a new contract."
    }
  },
  "additionalProperties": false
}