Function extractToolUseBlock

src/utils/permissions/classifierShared.ts:15–24

(
  content: BetaContentBlock[],
  toolName: string,
)

 * Extract tool use block from message content by tool name.
 */
export function extractToolUseBlock(
  content: BetaContentBlock[],
  toolName: string,
): Extract<BetaContentBlock, { type: 'tool_use' }> | null {
  const block = content.find(b => b.type === 'tool_use' && b.name === toolName)
  if (!block || block.type !== 'tool_use') {
    return null
  }
  return block
}

/**
 * Parse and validate classifier response from tool use block.