{
	"$schema": "http://json-schema.org/draft-07/schema#",
	"title": "Context Loadout Benchmark Fixture",
	"type": "object",
	"additionalProperties": false,
	"required": ["schemaVersion", "fixtureId", "fixtureRevision", "mode", "signal", "expected"],
	"properties": {
		"schemaVersion": { "const": "1.0.0" },
		"fixtureId": { "type": "string", "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$" },
		"fixtureRevision": { "type": "string", "minLength": 1 },
		"mode": { "enum": ["smoke", "full"] },
		"signal": {
			"type": "object",
			"additionalProperties": false,
			"required": ["route"],
			"properties": {
				"route": { "type": "string", "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$" },
				"feature": { "type": "string" },
				"budget": { "type": "integer", "minimum": 1 },
				"since": { "type": "string", "format": "date-time" },
				"knowledgeKinds": {
					"type": "array",
					"uniqueItems": true,
					"items": {
						"enum": [
							"invariant",
							"decision",
							"pattern",
							"failure",
							"rejected-approach",
							"external-constraint",
							"unspecified"
						]
					}
				},
				"requiredPages": {
					"type": "array",
					"uniqueItems": true,
					"items": { "type": "string", "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$" }
				}
			}
		},
		"expected": {
			"type": "object",
			"additionalProperties": false,
			"required": ["eligiblePages", "pages", "excluded", "requiredArtifacts", "loadout"],
			"properties": {
				"eligiblePages": {
					"$ref": "#/definitions/pageIds"
				},
				"pages": {
					"$ref": "#/definitions/pageIds"
				},
				"excluded": {
					"type": "array",
					"items": {
						"type": "object",
						"additionalProperties": false,
						"required": ["pageId", "reason"],
						"properties": {
							"pageId": { "type": "string" },
							"reason": { "type": "string" }
						}
					}
				},
				"requiredArtifacts": {
					"type": "array",
					"uniqueItems": true,
					"items": { "type": "string" }
				},
				"loadout": {
					"$ref": "#/definitions/expectedLoadout"
				}
			}
		}
	},
	"definitions": {
		"pageIds": {
			"type": "array",
			"uniqueItems": true,
			"items": { "type": "string", "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$" }
		},
		"hash": {
			"type": "string",
			"pattern": "^sha256:[0-9a-f]{64}$"
		},
		"expectedLoadout": {
			"type": "object",
			"additionalProperties": false,
			"required": [
				"budgetWords",
				"tiers",
				"pages",
				"references",
				"requiredArtifacts",
				"excluded",
				"deltaSince"
			],
			"properties": {
				"budgetWords": { "type": "integer", "minimum": 1 },
				"tiers": {
					"type": "object",
					"additionalProperties": false,
					"required": ["required", "priority", "optional"],
					"properties": {
						"required": { "$ref": "#/definitions/pageIds" },
						"priority": { "$ref": "#/definitions/pageIds" },
						"optional": { "$ref": "#/definitions/pageIds" }
					}
				},
				"pages": {
					"type": "array",
					"items": {
						"type": "object",
						"additionalProperties": false,
						"required": ["pageId", "title", "words", "rawHash", "status", "scope"],
						"properties": {
							"pageId": { "type": "string", "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$" },
							"title": { "type": "string" },
							"words": { "type": "integer", "minimum": 0 },
							"rawHash": { "$ref": "#/definitions/hash" },
							"status": { "enum": ["ok", "stale"] },
							"scope": {
								"type": "array",
								"uniqueItems": true,
								"items": { "type": "string" }
							}
						}
					}
				},
				"references": {
					"type": "array",
					"items": {
						"type": "object",
						"additionalProperties": false,
						"required": ["pageId", "rawHash"],
						"properties": {
							"pageId": { "type": "string", "pattern": "^[a-z0-9]+(-[a-z0-9]+)*$" },
							"rawHash": { "$ref": "#/definitions/hash" }
						}
					}
				},
				"requiredArtifacts": {
					"type": "array",
					"minItems": 3,
					"maxItems": 3,
					"items": {
						"type": "object",
						"additionalProperties": false,
						"required": ["kind", "path", "rawHash", "words"],
						"properties": {
							"kind": {
								"enum": ["operating-manual", "route-manifest", "loadout-definition"]
							},
							"path": { "type": "string", "minLength": 1 },
							"rawHash": { "$ref": "#/definitions/hash" },
							"words": { "type": "integer", "minimum": 0 }
						}
					}
				},
				"excluded": {
					"type": "array",
					"items": {
						"type": "object",
						"additionalProperties": false,
						"required": ["pageId", "reason", "detail"],
						"properties": {
							"pageId": { "type": "string" },
							"reason": {
								"enum": [
									"over-budget",
									"tampered",
									"obsolete",
									"stale",
									"superseded",
									"knowledge-kind"
								]
							},
							"detail": { "type": "string", "minLength": 1 }
						}
					}
				},
				"deltaSince": {
					"anyOf": [{ "type": "null" }, { "type": "string", "format": "date-time" }]
				}
			}
		}
	}
}