Add LoRA stacks with per-item strengths and named video/image generation presets so setups survive reload without mixing Klein onto MiniMax. Keep LTX Pink Cherry and xAIGen LoRAs on xAIGen, and run Recommend on Beast.

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

server/api/generation-presets.post.ts

@@ -0,0 +1,25 @@
+import { listGenerationPresets, saveGenerationPreset } from '~/server/utils/generationPresets'
+import { parseGenerationPresetKind } from '~/utils/generationPresets'
+
+export default defineEventHandler(async (event) => {
+  const { owner } = assertLibraryOwner(event)
+  const body = await readBody<{
+    name?: string
+    kind?: string
+    loraStack?: unknown
+    settings?: unknown
+    overwrite?: boolean
+  }>(event).catch(() => ({}))
+  const kind = parseGenerationPresetKind(body?.kind)
+  const preset = await saveGenerationPreset(owner, {
+    name: body?.name || '',
+    kind,
+    loraStack: body?.loraStack,
+    settings: body?.settings,
+    overwrite: body?.overwrite === true
+  })
+  return {
+    preset,
+    presets: listGenerationPresets(owner, kind)
+  }
+})