Add batch still arrows, hide output only on tap, and cut studio lag.

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

server/api/health.get.ts

@@ -3,7 +3,11 @@ import { comfyConfigured } from '~/server/utils/comfy'
 import { imageComfyConfigured, getBeastImageHost, getSidecarImageHost, sameImageHost } from '~/server/utils/imageComfy'
 import { checkImageComfyHttp, fetchQueueAt } from '~/server/utils/imageComfyLifecycle'
 
+let healthCache: { at: number; body: Record<string, unknown> } | null = null
+const HEALTH_CACHE_MS = 2500
+
 export default defineEventHandler(async () => {
+  if (healthCache && Date.now() - healthCache.at < HEALTH_CACHE_MS) return healthCache.body
   const videoConfigured = comfyConfigured()
   const imageConfigured = imageComfyConfigured()
   const beastHost = getBeastImageHost()
@@ -35,7 +39,7 @@ export default defineEventHandler(async () => {
   const preferredHost = beastHost || comfy.host || ''
   const promptQueueRunning = promptIsBeast ? ((beastQueue.running || queue.running) || 0) : (promptQueue.running || 0)
   const promptQueuePending = promptIsBeast ? ((beastQueue.pending || queue.pending) || 0) : (promptQueue.pending || 0)
-  return {
+  const body = {
     ok: true,
     service: useRuntimeConfig().public.instanceName || 'aigen',
     comfy: {
@@ -75,4 +79,6 @@ export default defineEventHandler(async () => {
       }
     }
   }
+  healthCache = { at: Date.now(), body }
+  return body
 })