feat(housekeeping): integrate studio operations

src/lib/services/clone-import.ts

@@ -134,13 +134,16 @@ async function fetchWithFallback(url: string): Promise<string> {
 export async function fetchSourceFurnidata(
 	url: string,
 	now = Date.now(),
+	signal?: AbortSignal,
 ): Promise<SourceFurni[]> {
+	signal?.throwIfAborted();
 	const hit = cache.get(url);
 	if (hit && now && now - hit.ts < TTL) return hit.list;
 	let body: string;
 	try {
+		const timeout = AbortSignal.timeout(30000);
 		const res = await fetch(url, {
-			signal: AbortSignal.timeout(30000),
+			signal: signal ? AbortSignal.any([signal, timeout]) : timeout,
 			headers: browserHeaders(),
 		});
 		if (res.ok) {
@@ -159,7 +162,8 @@ export async function fetchSourceFurnidata(
 		} else {
 			body = await fetchWithFallback(url);
 		}
-	} catch {
+	} catch (error) {
+		if (signal?.aborted) throw error;
 		body = await fetchWithFallback(url);
 	}
 	if (body.trimStart().startsWith("<")) {
@@ -243,11 +247,13 @@ export async function cloneSingleFurni(params: {
 	source: CloneSource;
 	entry: SourceFurni;
 	onProgress?: (status: string) => void;
+	signal?: AbortSignal;
 	/** Skip the per-item FurnitureData.json write and return the entry instead,
 	 *  so batch callers can append everything in one lock + write cycle. */
 	deferFurniData?: boolean;
 }): Promise<CloneResult> {
-	const { source, entry, onProgress, deferFurniData } = params;
+	const { source, entry, onProgress, signal, deferFurniData } = params;
+	signal?.throwIfAborted();
 	const { classname, itemType } = entry;
 	const warnings: string[] = [];
 
@@ -287,6 +293,7 @@ export async function cloneSingleFurni(params: {
 
 	// Download .nitro + icon directly from the source hotel.
 	onProgress?.("downloading");
+	signal?.throwIfAborted();
 	const nitroPath = getRuntimePath(
 		/*turbopackIgnore: true*/ nitroDir,
 		`${classname}.nitro`,
@@ -300,6 +307,7 @@ export async function cloneSingleFurni(params: {
 		nitroPath,
 		{
 			maxRetries: 2,
+			signal,
 		},
 	);
 	if (!dl.ok) {
@@ -334,6 +342,7 @@ export async function cloneSingleFurni(params: {
 			{
 				maxRetries: 1,
 				validate: "png",
+				signal,
 			},
 		);
 		if (!iconDl.ok) {
@@ -366,6 +375,7 @@ export async function cloneSingleFurni(params: {
 	}
 
 	onProgress?.("writing_db");
+	signal?.throwIfAborted();
 	const stackHeight =
 		entry.canlayon || entry.cansiton ? 1.0 : entry.canstandon ? 1.0 : 0.0;
 	// allow_stack: derived from stackHeight (mirrors furni-import.ts `dims.z > 0`).
@@ -422,6 +432,7 @@ export async function cloneSingleFurni(params: {
 	// AND our offerid. The source's offerid points at the source hotel's sprite
 	// ids, which would silently break the emulator's catalog offer lookup.
 	onProgress?.("writing_furnidata");
+	signal?.throwIfAborted();
 	const furniDataEntry = {
 		...entry,
 		id: newId,