Function accumulateToolUses

src/utils/streamlinedTransform.ts:109–124

* Count tool uses in an assistant message and add to existing counts.

(
  message: SDKAssistantMessage,
  counts: ToolCounts,
)

 * Count tool uses in an assistant message and add to existing counts.
 */
function accumulateToolUses(
  message: SDKAssistantMessage,
  counts: ToolCounts,
): void {
  const content = message.message.content
  if (!Array.isArray(content)) {
    return
  }

  for (const block of content) {
    if (block.type === 'tool_use' && 'name' in block) {
      const category = categorizeToolName(block.name as string)
      counts[category]++
    }
  }
}

/**
 * Create a stateful transformer that accumulates tool counts between text messages.