{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Factory Relay authored scenario record",
  "description": "One fictional English instructional scenario, including both role briefs and its answer key. This is not a player-session or dialect-training record.",
  "type": "object",
  "additionalProperties": false,
  "required": ["schema_version", "scenario_id", "sequence_number", "language", "content_origin", "title", "skill", "brief", "stations", "roles", "decision_options", "answer_key", "clarification_prompt", "provenance"],
  "properties": {
    "schema_version": { "const": "1.0.0" },
    "scenario_id": { "type": "string", "pattern": "^[a-z][a-z0-9-]+$" },
    "sequence_number": { "type": "integer", "minimum": 1, "maximum": 6 },
    "language": { "const": "en" },
    "content_origin": { "const": "authored-synthetic" },
    "title": { "$ref": "#/$defs/nonemptyText" },
    "skill": { "$ref": "#/$defs/nonemptyText" },
    "brief": { "$ref": "#/$defs/nonemptyText" },
    "stations": {
      "type": "array", "minItems": 1,
      "items": {
        "type": "object", "additionalProperties": false,
        "required": ["id", "name", "detail"],
        "properties": {
          "id": { "$ref": "#/$defs/nonemptyText" },
          "name": { "$ref": "#/$defs/nonemptyText" },
          "detail": { "$ref": "#/$defs/nonemptyText" }
        }
      }
    },
    "roles": {
      "type": "object", "additionalProperties": false,
      "required": ["operator", "coordinator"],
      "properties": {
        "operator": { "$ref": "#/$defs/roleBrief" },
        "coordinator": { "$ref": "#/$defs/roleBrief", "description": "The internal coordinator key is displayed as Maintenance in the game." }
      }
    },
    "decision_options": {
      "type": "array", "minItems": 2,
      "items": {
        "type": "object", "additionalProperties": false,
        "required": ["id", "label"],
        "properties": {
          "id": { "$ref": "#/$defs/nonemptyText" },
          "label": { "$ref": "#/$defs/nonemptyText" }
        }
      }
    },
    "answer_key": {
      "description": "Scoring information; exclude it from future translation/assistant prompts and independent evaluation inputs.",
      "type": "object", "additionalProperties": false,
      "required": ["correct_option_id", "explanation"],
      "properties": {
        "correct_option_id": { "$ref": "#/$defs/nonemptyText" },
        "explanation": { "$ref": "#/$defs/nonemptyText" }
      }
    },
    "clarification_prompt": { "$ref": "#/$defs/nonemptyText" },
    "provenance": {
      "type": "object", "additionalProperties": false,
      "required": ["source_module", "source_export", "source_scenario_id", "source_module_sha256", "source_text_normalization", "scenario_kind", "contains_player_data"],
      "properties": {
        "source_module": { "const": "src/factoryEngine.js" },
        "source_export": { "const": "SCENARIOS" },
        "source_scenario_id": { "type": "string", "pattern": "^[a-z][a-z0-9-]+$" },
        "source_module_sha256": { "type": "string", "pattern": "^[a-f0-9]{64}$", "description": "SHA-256 of the UTF-8 source text after CRLF line endings are normalized to LF." },
        "source_text_normalization": { "const": "utf8-crlf-to-lf" },
        "scenario_kind": { "const": "fictional-instructional-exercise" },
        "contains_player_data": { "const": false }
      }
    }
  },
  "$defs": {
    "nonemptyText": { "type": "string", "minLength": 1, "pattern": "\\S" },
    "roleBrief": {
      "type": "object", "additionalProperties": false,
      "required": ["title", "facts", "starter_message"],
      "properties": {
        "title": { "$ref": "#/$defs/nonemptyText" },
        "facts": { "type": "array", "minItems": 1, "items": { "$ref": "#/$defs/nonemptyText" } },
        "starter_message": { "$ref": "#/$defs/nonemptyText" }
      }
    }
  }
}