preview condition

src/lib/components/image-generation/Preview.svelte

@@ -3,9 +3,11 @@
   export let res: string;
 </script>
 
-<div class="text-white p-6 font-code text-xs !leading-loose">
-  <div class="max-w-max relative ">
-    <img src={res} alt="" class="w-full max-w-lg object-contain" />
-    <div class="absolute bottom-3 left-3 bg-white/20 backdrop-blur-sm px-2 py-0.5 rounded-lg text-slate-900">{body?.inputs}</div>
+{#if res}
+  <div class="text-white p-6 font-code text-xs !leading-loose">
+    <div class="max-w-max relative ">
+      <img src={res} alt="" class="w-full max-w-lg object-contain" />
+      <div class="absolute bottom-3 left-3 bg-white/20 backdrop-blur-sm px-2 py-0.5 rounded-lg text-slate-900">{body?.inputs}</div>
+    </div>
   </div>
-</div>
+{/if}

src/routes/api/image-generation/+server.ts

@@ -18,7 +18,7 @@ export async function POST({ request }: RequestEvent) {
     headers: {
       Authorization: `Bearer ${env.SECRET_HF_TOKEN}`,
       'Content-Type': 'application/json',
-      // ['x-use-cache']: "0"
+      ['x-use-cache']: "0"
     },
     body: JSON.stringify({
       ...body,