Function cleanup

apps/media-server/src/routes/video.ts:237–242

()

	let cleanedUp = false;

	const cleanup = async () => {
		if (cleanedUp) return;
		cleanedUp = true;
		await cleanupTempFiles(tempFiles);
		onCleanup?.();
	};

	const stream = new ReadableStream<Uint8Array>({
		async start(controller) {