Function isToolReferenceBlock

src/utils/toolSearch.ts:479–486

(obj: unknown)

 * tool_reference is a beta feature not in the SDK types, so we need runtime checks.
 */
export function isToolReferenceBlock(obj: unknown): boolean {
  return (
    typeof obj === 'object' &&
    obj !== null &&
    'type' in obj &&
    (obj as { type: unknown }).type === 'tool_reference'
  )
}

/**
 * Type guard for tool_reference block with tool_name.