Queue Generate with an immediate local card and stop blocking reload on library or object_info.

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

server/api/studio-2/loras.get.ts

@@ -1,19 +1,19 @@
-import { readFileSync,writeFileSync,renameSync } from 'node:fs'
+import { readFileSync, writeFileSync, renameSync } from 'node:fs'
 import { join } from 'node:path'
 import { cachedLoras } from '~/shared/studio2/lora-cache.mjs'
 import { listStudioLoras } from '../../utils/loras'
 import { studio2Root } from '../../utils/studio2/store'
 import { studio2LoraCatalog } from '../../utils/studio2/lora-catalog'
 
-export default defineEventHandler(async event => {
+export default defineEventHandler(async (event) => {
   const { owner } = assertLibraryOwner(event)
   const path = join(studio2Root(), `loras-${owner}.cache`)
-  // Same live Comfy scan as Settings (/api/loras?fresh=1). Always fresh so CACHE_MS cannot freeze adds.
+  const fresh = String(getQuery(event).fresh || '') === '1'
   const listed = await cachedLoras({
     read: () => { try { return JSON.parse(readFileSync(path, 'utf8')) } catch { return null } },
     write: value => { writeFileSync(path + '.tmp', JSON.stringify(value)); renameSync(path + '.tmp', path) },
     live: () => listStudioLoras({ fresh: true }),
-    fresh: true
+    fresh
   })
   return { ...listed, ...studio2LoraCatalog(owner) }
 })

server/utils/studio2/size.ts

@@ -1,25 +1,46 @@
-import { readFileSync } from 'node:fs'
+import { openSync, readSync, closeSync } from 'node:fs'
 import { execFile } from 'node:child_process'
 import { promisify } from 'node:util'
 import { getClip, getStill, clipVideoPath, stillPath } from '../library'
 import { imageDimensions } from '../resolution'
 import { resolveSize } from '~/shared/studio2/input.mjs'
 const exec = promisify(execFile)
+
+function readImageHeader(path: string, maxBytes = 65536) {
+  const fd = openSync(path, 'r')
+  try {
+    const buf = Buffer.alloc(maxBytes)
+    const n = readSync(fd, buf, 0, maxBytes, 0)
+    return buf.subarray(0, n)
+  } finally {
+    closeSync(fd)
+  }
+}
+
 export async function resolveRequestSize(owner: string, request: any) {
-  const video=['video','extend'].includes(request.mode)
-  let dimensions:any
+  const video = ['video', 'extend'].includes(request.mode)
+  let dimensions: any
   if (video && request.startClipId) {
-    getClip(owner,request.startClipId)
-    const result=await exec('ffprobe',['-v','error','-select_streams','v:0','-show_entries','stream=width,height','-of','json',clipVideoPath(owner,request.startClipId)],{windowsHide:true,timeout:15000})
-    dimensions=JSON.parse(result.stdout).streams?.[0]
+    const clip = getClip(owner, request.startClipId)
+    if (clip.width && clip.height) {
+      dimensions = { width: clip.width, height: clip.height }
+    } else {
+      const result = await exec('ffprobe', ['-v', 'error', '-select_streams', 'v:0', '-show_entries', 'stream=width,height', '-of', 'json', clipVideoPath(owner, request.startClipId)], { windowsHide: true, timeout: 15000 })
+      dimensions = JSON.parse(result.stdout).streams?.[0]
+    }
   } else {
-    const id=request.imageAId || request.identityStillId
+    const id = request.imageAId || request.identityStillId
     if (id) {
-      getStill(owner,id)
-      dimensions=imageDimensions(readFileSync(stillPath(owner,id)))
+      const still = getStill(owner, id)
+      if (still.width && still.height) {
+        dimensions = { width: still.width, height: still.height }
+      } else {
+        // Header only — never read the full archive PNG into memory on Generate click
+        dimensions = imageDimensions(readImageHeader(stillPath(owner, id)))
+      }
       if (!dimensions) throw new Error('Cannot measure the source still.')
     }
   }
   if (video && request.startClipId && !dimensions?.width) throw new Error('Cannot measure the previous clip.')
-  Object.assign(request.settings,resolveSize(request.settings.aspect,dimensions,undefined,request.engine))
+  Object.assign(request.settings, resolveSize(request.settings.aspect, dimensions, undefined, request.engine))
 }