export async function fetchWithTimeout(url: string, timeoutMs: number, signal?: AbortSignal): Promise<Response> {
	const controller = new AbortController();
	const timer = setTimeout(() => controller.abort(), timeoutMs);
	const combinedSignal = signal ? AbortSignal.any([signal, controller.signal]) : controller.signal;

	try {
		return await fetch(url, { signal: combinedSignal });
	} catch (error) {
		if (error instanceof Error && error.name === "AbortError") {
			if (signal?.aborted) {
				throw error;
			}
			throw new Error(`Request timed out after ${Math.ceil(timeoutMs / 1000)}s`);
		}
		throw error;
	} finally {
		clearTimeout(timer);
	}
}