Function extractBlockById

cli/src/utils/message-block-helpers.ts:435–461

(
  blocks: ContentBlock[],
  targetAgentId: string,
)

 * Returns the remaining blocks and the extracted block (if found).
 */
export const extractBlockById = (
  blocks: ContentBlock[],
  targetAgentId: string,
): { remainingBlocks: ContentBlock[]; extractedBlock: ContentBlock | null } => {
  let extractedBlock: ContentBlock | null = null

  const extractRecursively = (blocks: ContentBlock[]): ContentBlock[] => {
    const result: ContentBlock[] = []
    for (const block of blocks) {
      if (block.type === 'agent' && block.agentId === targetAgentId) {
        extractedBlock = block
        // Don't add to result - we're extracting it
      } else if (block.type === 'agent' && block.blocks) {
        result.push({
          ...block,
          blocks: extractRecursively(block.blocks),
        })
      } else {
        result.push(block)
      }
    }
    return result
  }

  const remainingBlocks = extractRecursively(blocks)
  return { remainingBlocks, extractedBlock }
}

export const moveSpawnAgentBlock = (
  blocks: ContentBlock[],