Keep Image v2 LoRA names and Flux/Krea chains when Comfy is asleep.

The Add picker vanished after the listing cache went empty, and switching engines wrote one stack over the other.

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

server/utils/loras.ts

@@ -161,6 +161,11 @@ async function loadLoraCache(): Promise<LoraCache> {
       image: uniqueNames([...image.image, ...video.image]),
       video: uniqueNames([...video.video, ...image.video])
     }
+    // Comfy asleep / unreachable returns empty. Keep the last good list so the picker does not vanish.
+    if (!next.image.length && !next.video.length && cache && (cache.image.length || cache.video.length)) {
+      cache = { ...cache, at: Date.now() }
+      return cache
+    }
     cache = next
     return next
   })().finally(() => {
@@ -170,15 +175,22 @@ async function loadLoraCache(): Promise<LoraCache> {
 }
 
 export async function listStudioLoras() {
+  const xaigen = isXaigenStudio()
   try {
     const listed = await loadLoraCache()
-    const xaigen = isXaigenStudio()
     return {
       at: listed.at,
       image: filterLorasForStudio(listed.image, xaigen),
       video: filterLorasForStudio(listed.video, xaigen)
     }
   } catch {
+    if (cache) {
+      return {
+        at: cache.at,
+        image: filterLorasForStudio(cache.image, xaigen),
+        video: filterLorasForStudio(cache.video, xaigen)
+      }
+    }
     return { at: 0, image: [] as string[], video: [] as string[] }
   }
 }