{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://neon-sprawl.local/schemas/quest-step-def.json",
  "title": "QuestStepDef",
  "description": "Single step row on a QuestDef (content/quests/*_quests.json). Steps advance sequentially in prototype Slice 1.",
  "type": "object",
  "additionalProperties": false,
  "required": ["id", "displayName", "objectives"],
  "properties": {
    "id": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9_]*$",
      "description": "Immutable step key for progress tracking and HTTP projection."
    },
    "displayName": {
      "type": "string",
      "minLength": 1,
      "description": "Player-facing label; safe to change without migrating character data."
    },
    "objectives": {
      "type": "array",
      "minItems": 1,
      "items": {
        "$ref": "https://neon-sprawl.local/schemas/quest-objective-def.json"
      },
      "description": "Objectives that must complete before the step advances."
    }
  }
}