Filter image LoRAs by flux- / krea- filename so each engine only lists its own.

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

utils/loras.ts

@@ -229,19 +229,38 @@ export function isKleinImageLora(name: string) {
   return /flux-?2-klein|klein_snofs|flux2-klein-9b-consistency|(^|[^a-z0-9])klein([^a-z0-9]|$)/i.test(id)
 }
 
+/**
+ * Image engine from the filename: `xaigen-flux-…` / `flux-…` vs `xaigen-krea-…` / `krea-…`.
+ * Klein / SNOFS files without that prefix still count as Flux or Krea.
+ */
+export function imageLoraEngineOf(name: string): 'flux' | 'krea' | null {
+  const id = loraIdentityKey(name)
+  if (/snofs_krea|(^|[_-])krea([_-]|$)/i.test(id) || /^krea\d*[-_.]/i.test(id)) return 'krea'
+  if (isKleinImageLora(name) || /flux-?2-klein|flux2-klein/i.test(id) || /^flux\d*[-_.]/i.test(id)) return 'flux'
+  return null
+}
+
+export function loraMatchesImageEngine(name: string, engine: 'flux' | 'krea') {
+  const tagged = imageLoraEngineOf(name)
+  return !tagged || tagged === engine
+}
+
 export function filterLorasForImageEngine(names: string[], engine: 'flux' | 'krea') {
-  if (engine !== 'krea') return names
-  return names.filter(name => !isKleinImageLora(name))
+  return names.filter(name => loraMatchesImageEngine(name, engine))
 }
 
 export function filterLoraStackForImageEngine(stack: unknown, engine: 'flux' | 'krea') {
-  const items = normalizeLoraStack(stack)
-  if (engine !== 'krea') return items
-  return items.filter(item => !isKleinImageLora(item.name))
+  return normalizeLoraStack(stack).filter(item => loraMatchesImageEngine(item.name, engine))
+}
+
+export function imageLoraEngineMismatchMessage(name: string, engine: 'flux' | 'krea') {
+  const other = engine === 'krea' ? 'Flux' : 'Krea'
+  const current = engine === 'krea' ? 'Krea' : 'Flux'
+  return `${loraDisplayName(name)} is a ${other} LoRA and cannot be used with ${current}.`
 }
 
 export function kleinLoraOnKreaMessage(name: string) {
-  return `${loraDisplayName(name)} is a Flux LoRA and cannot be used with Krea.`
+  return imageLoraEngineMismatchMessage(name, 'krea')
 }
 
 export type LoraUse = 'minimax' | 'ltx' | 'flux' | 'krea'
@@ -256,9 +275,9 @@ export function isSystemGraphLora(name: string) {
 
 /** Filename hints. `null` means the LoRA can appear in any picker. */
 export function inferLoraUse(name: string): LoraUse[] | null {
+  const imageEngine = imageLoraEngineOf(name)
+  if (imageEngine) return [imageEngine]
   const id = loraIdentityKey(name)
-  if (/snofs_krea|(^|[_-])krea([_-]|$)/i.test(id)) return ['krea']
-  if (isKleinImageLora(name) || /flux-?2-klein|flux2-klein/i.test(id)) return ['flux']
   if (/(^|[_-])ltx([_-]|$)|ltx-2/i.test(id)) return ['ltx']
   if (/minimax|h3_fl2v|fl2v_turbo/i.test(id)) return ['minimax']
   return null