Function extractTextContent

src/utils/messages.ts:3248–3256

(
  blocks: readonly { readonly type: string }[],
  separator = '',
)

 * and their readonly/DeepImmutable variants via structural typing.
 */
export function extractTextContent(
  blocks: readonly { readonly type: string }[],
  separator = '',
): string {
  return blocks
    .filter((b): b is { type: 'text'; text: string } => b.type === 'text')
    .map(b => b.text)
    .join(separator)
}

export function getContentText(
  content: string | DeepImmutable<Array<ContentBlockParam>>,