Function sanitizeToolUseId

src/utils/tool-id.ts:13–15

(id: string)

 * Replaces any invalid character with underscore.
 */
export function sanitizeToolUseId(id: string): string {
	return id.replace(/[^a-zA-Z0-9_-]/g, "_")
}

/**
 * Truncate a call_id to fit within OpenAI's 64-character limit.