LOCConfigFieldPath

type LOCConfigFieldPath =
  | FieldPaths<
      Required<{
        locConfig: LOCConfig;
      }>
    >
  | ['locConfig', 'createLOC', 'defaultKind' | 'kind'];

Strict field path types for LOC configuration validation. Current config fields are derived from LOCConfig; the two explicit paths identify removed create-LOC keys that validation still rejects with migration help.