{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "checklist.schema.json",
  "title": "Gauntlet QA Checklist",
  "description": "Per-room QA checklist with conditions evaluable from ObserverSnapshot (D-030). Feeds into #503 auto-checklist progress tracking.",
  "type": "object",
  "required": ["conditions"],
  "additionalProperties": false,
  "properties": {
    "room_id": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9_]*$",
      "description": "Room identifier matching constants.rs room name"
    },
    "room_name": {
      "type": "string",
      "minLength": 1,
      "description": "Human-readable room name"
    },
    "scope": {
      "type": "string",
      "enum": ["per_room", "cross_room"],
      "description": "Checklist scope: per_room (default) or cross_room"
    },
    "description": {
      "type": "string"
    },
    "conditions": {
      "type": "array",
      "items": {
        "oneOf": [
          { "$ref": "#/$defs/player_near" },
          { "$ref": "#/$defs/player_facing" },
          { "$ref": "#/$defs/entity_present" },
          { "$ref": "#/$defs/entity_absent" },
          { "$ref": "#/$defs/expected_monologue" },
          { "$ref": "#/$defs/expected_dialogue" },
          { "$ref": "#/$defs/expected_interaction_verb" }
        ]
      },
      "minItems": 1
    }
  },
  "$defs": {
    "condition_id": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9_-]*$",
      "description": "Globally unique condition identifier across all checklists. Use room_id prefix (e.g., inv-item-present, occ-wall-visible)."
    },
    "player_near": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "description", "condition_type", "x", "y", "radius"],
      "properties": {
        "id": { "$ref": "#/$defs/condition_id" },
        "description": { "type": "string" },
        "condition_type": { "const": "player_near" },
        "x": { "type": "integer", "description": "Target X coordinate (absolute sim tiles)" },
        "y": { "type": "integer", "description": "Target Y coordinate (absolute sim tiles)" },
        "radius": { "type": "number", "minimum": 0, "description": "Proximity radius in tiles" }
      }
    },
    "player_facing": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "description", "condition_type", "direction"],
      "properties": {
        "id": { "$ref": "#/$defs/condition_id" },
        "description": { "type": "string" },
        "condition_type": { "const": "player_facing" },
        "direction": {
          "type": "string",
          "enum": ["North", "South", "East", "West"],
          "description": "Expected player facing direction"
        }
      }
    },
    "entity_present": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "description", "condition_type", "entity_id"],
      "properties": {
        "id": { "$ref": "#/$defs/condition_id" },
        "description": { "type": "string" },
        "condition_type": { "const": "entity_present" },
        "entity_id": { "type": "integer", "minimum": 0, "description": "StableId of expected entity" }
      }
    },
    "entity_absent": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "description", "condition_type", "entity_id"],
      "properties": {
        "id": { "$ref": "#/$defs/condition_id" },
        "description": { "type": "string" },
        "condition_type": { "const": "entity_absent" },
        "entity_id": { "type": "integer", "minimum": 0, "description": "StableId of entity that should NOT be visible" }
      }
    },
    "expected_monologue": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "description", "condition_type", "contains"],
      "properties": {
        "id": { "$ref": "#/$defs/condition_id" },
        "description": { "type": "string" },
        "condition_type": { "const": "expected_monologue" },
        "contains": { "type": "string", "minLength": 1, "description": "Substring expected in current_monologue text" }
      }
    },
    "expected_dialogue": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "description", "condition_type", "contains"],
      "properties": {
        "id": { "$ref": "#/$defs/condition_id" },
        "description": { "type": "string" },
        "condition_type": { "const": "expected_dialogue" },
        "contains": { "type": "string", "minLength": 1, "description": "Substring expected in dialogue_response text" }
      }
    },
    "expected_interaction_verb": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "description", "condition_type", "entity_id", "verb"],
      "properties": {
        "id": { "$ref": "#/$defs/condition_id" },
        "description": { "type": "string" },
        "condition_type": { "const": "expected_interaction_verb" },
        "entity_id": { "type": "integer", "minimum": 0, "description": "StableId of target entity" },
        "verb": { "type": "string", "minLength": 1, "description": "Expected interaction verb (e.g., Talk, Pickup, Examine)" }
      }
    }
  }
}