fix(admin): harden clothing/pets/effects/clone imports

Align grids on data.items, only treat SSE done as success, hard-fail
clothing sets when libs fail, and add Cancel via AbortController.

Co-authored-by: Cursor <[email protected]>

src/lib/services/clothing-set-import.ts

@@ -133,6 +133,8 @@ export async function importClothingSet(params: {
 
 	await ensureFigureDirs();
 
+	let hardFail = false;
+
 	for (const libId of requiredLibIds) {
 		const officialLib = officialLibs.find((l) => l.id === libId);
 		if (!officialLib) continue;
@@ -141,18 +143,31 @@ export async function importClothingSet(params: {
 			onProgress?.(`importing library ${libId}`);
 			const result = await importSingleFigure({ lib: libId, onProgress });
 			if (!result.ok) {
+				hardFail = true;
 				warnings.push(
 					`Library import failed for ${libId}: ${result.error ?? "unknown error"}`,
 				);
+				continue;
 			}
 			if (result.warnings.length) {
 				warnings.push(...result.warnings);
 			}
+			localLibIds.add(libId);
 		}
 
 		await mergeLibrary(officialLib);
 	}
 
+	if (hardFail) {
+		return {
+			ok: false,
+			setId,
+			warnings,
+			error:
+				"One or more required figure libraries failed to import — set was not written",
+		};
+	}
+
 	const mappedSet = mapOfficialSet(set);
 	await mergeSet(setType, st.paletteId, mappedSet as never);