Function serializeToolUse

src/utils/tiktoken.ts:13–23

* Serializes a tool_use block to text for token counting. * Approximates how the API sees the tool call.

(block: Anthropic.Messages.ToolUseBlockParam)

 * Approximates how the API sees the tool call.
 */
function serializeToolUse(block: Anthropic.Messages.ToolUseBlockParam): string {
	const parts = [`Tool: ${block.name}`]
	if (block.input !== undefined) {
		try {
			parts.push(`Arguments: ${JSON.stringify(block.input)}`)
		} catch {
			parts.push(`Arguments: [serialization error]`)
		}
	}
	return parts.join("\n")
}

/**
 * Serializes a tool_result block to text for token counting.