adds agents.md, splits zip-processing.ts

src/routes/+page.svelte

@@ -107,7 +107,7 @@
             <div class="absolute right-0 z-10 mt-2 w-64 rounded-xl border border-primary-100 bg-white p-4 shadow-lg">
                 <label class="flex flex-col gap-2">
                     <div class="flex items-center justify-between gap-3 text-sm font-medium text-primary-900">
-                        <span>Thumbnail width</span>
+                        <span>Thumbnail Breite</span>
                         <span class="tabular-nums text-primary-700">{thumbnailWidth}px</span>
                     </div>