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/[id].delete.ts

@@ -0,0 +1,13 @@
+import { deleteGenerationPreset, listGenerationPresets } from '~/server/utils/generationPresets'
+import { parseGenerationPresetKind } from '~/utils/generationPresets'
+
+export default defineEventHandler(async (event) => {
+  const { owner } = assertLibraryOwner(event)
+  const id = String(getRouterParam(event, 'id') || '')
+  const kind = parseGenerationPresetKind(getQuery(event).kind)
+  await deleteGenerationPreset(owner, id)
+  return {
+    ok: true,
+    presets: listGenerationPresets(owner, kind)
+  }
+})