{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://whynot.design/ir/schema/lock.schema.json",
  "title": "whynot-design — Consumer Sync-Point Lock",
  "description": ".whynot-design.lock lives in a CONSUMING repo (not in whynot-design) and records which IR state that repo has adopted. It is the consumer-side mirror of designbook/.design-sync.json. Created on first adopt and advanced only by `whynot-design drift --update`. The drift check compares this against a target ir/manifest.json to report what changed since the consumer's adopted sync-point.",
  "type": "object",
  "required": ["designVersion", "adoptedAt", "manifestSchemaVersion", "manifestHashes"],
  "additionalProperties": false,
  "properties": {
    "designVersion": {
      "type": "string",
      "description": "The @whynot/design version whose manifest was adopted (e.g. matches the installed package / tag vX.Y.Z)."
    },
    "adoptedAt": {
      "type": "string",
      "format": "date-time",
      "description": "ISO-8601 timestamp this sync-point was adopted (first adopt or last `drift --update`)."
    },
    "manifestSchemaVersion": {
      "type": "string",
      "pattern": "^[0-9]+\\.[0-9]+\\.[0-9]+$",
      "description": "The adopted manifest's schemaVersion. If a target manifest has a different schemaVersion the drift check warns that hashes may not be directly comparable."
    },
    "manifestHashes": {
      "type": "object",
      "description": "The subset of ir/manifest.json the consumer has reconciled against.",
      "required": ["tokens", "components"],
      "additionalProperties": false,
      "properties": {
        "tokens": {
          "$ref": "#/$defs/hash",
          "description": "Adopted value of the manifest's tokensHash."
        },
        "components": {
          "type": "object",
          "description": "Map of component name → adopted content hash.",
          "additionalProperties": { "$ref": "#/$defs/hash" }
        }
      }
    }
  },
  "$defs": {
    "hash": {
      "type": "string",
      "pattern": "^sha256:[0-9a-f]{16}$"
    }
  }
}