Let Image v2 pick a LoRA or LoRA chain.

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

utils/loras.ts

@@ -213,3 +213,24 @@ export function filterLorasForStudio(names: string[], xaigenStudio: boolean) {
 export function filterLoraStackForStudio(stack: unknown, xaigenStudio: boolean) {
   return normalizeLoraStack(stack).filter(item => xaigenStudio || !isXaigenOnlyLora(item.name))
 }
+
+/** Klein / Flux.2 Klein adapters. Must not load on a Krea graph. */
+export function isKleinImageLora(name: string) {
+  const id = loraIdentityKey(name)
+  return /flux-?2-klein|klein_snofs|flux2-klein-9b-consistency|(^|[^a-z0-9])klein([^a-z0-9]|$)/i.test(id)
+}
+
+export function filterLorasForImageEngine(names: string[], engine: 'flux' | 'krea') {
+  if (engine !== 'krea') return names
+  return names.filter(name => !isKleinImageLora(name))
+}
+
+export function filterLoraStackForImageEngine(stack: unknown, engine: 'flux' | 'krea') {
+  const items = normalizeLoraStack(stack)
+  if (engine !== 'krea') return items
+  return items.filter(item => !isKleinImageLora(item.name))
+}
+
+export function kleinLoraOnKreaMessage(name: string) {
+  return `${loraDisplayName(name)} is a Flux LoRA and cannot be used with Krea.`
+}