handles zips in zip correctly

src/routes/+page.svelte

@@ -3,7 +3,7 @@
     import Card from "$lib/components/Card.svelte";
     import ProcessedZipArchiveEditor from "$lib/components/ProcessedZipArchiveEditor.svelte";
     import ZipDropzone from "$lib/components/ZipDropzone.svelte";
-    import { extractZipArchive, type ProcessedZipArchive } from "$lib/zip-processing";
+    import { extractZipArchives, type ProcessedZipArchive } from "$lib/zip-processing";
 
     const THUMBNAIL_WIDTH_STORAGE_KEY = "thumbnailWidth";
 
@@ -49,8 +49,8 @@
         pendingZipCount += 1;
 
         try {
-            const processedZipArchive = await extractZipArchive(file);
-            processedZipFiles = [...processedZipFiles, processedZipArchive];
+            const processedZipArchives = await extractZipArchives(file);
+            processedZipFiles = [...processedZipFiles, ...processedZipArchives];
         } catch (error) {
             console.error(`Failed to process ${file.name}`, error);
         } finally {