Add sidecar Qwen VL prompt recommend, fix queued shot bursts, and leave unused MiniMax identity slots empty.

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

server/api/prompt/presets/[id].delete.ts

@@ -0,0 +1,12 @@
+import { deletePromptPreset, listPromptPresets } from '~/server/utils/promptPresets'
+
+export default defineEventHandler(async (event) => {
+  const id = getRouterParam(event, 'id')
+  if (!id) throw createError({ statusCode: 400, statusMessage: 'Missing instruction set id' })
+  const owner = libraryOwnerKey(event)
+  await deletePromptPreset(owner, id)
+  return {
+    ok: true,
+    presets: listPromptPresets(owner)
+  }
+})