Persist the bench draft and hide input thumbs only.

Co-authored-by: Cursor <cursoragent@cursor.com>

components/studio2/AssetSlot.vue

@@ -7,7 +7,7 @@
    :aria-label="asset ? 'Replace photo' : 'Choose a photo'"
    @click="$emit('pick')"
   >
-   <span v-if="asset && hidden" class="p-2 text-center text-[var(--type-sm)] text-[var(--muted)]">Still loaded · preview hidden</span>
+   <span v-if="asset && hidden" class="p-2 text-center text-[var(--type-sm)] text-[var(--muted)]">Photo loaded</span>
    <img v-else-if="asset" :src="thumbSrc" alt="">
    <span v-else class="inline-flex flex-col items-center gap-1 px-2 text-center">
     <span>Choose a photo</span>