Ship duration control, hidden previews, job resume, and desktop file purge.

The slider never left this machine, so deploy the generate UI with separate input/output hide toggles, reconnect in-progress jobs after refresh, and delete Comfy input/output files after they are saved to the library.

server/api/generate/active.get.ts

@@ -0,0 +1,33 @@
+export default defineEventHandler((event) => {
+  const owner = libraryOwnerKey(event)
+  const live = listJobs()
+    .filter(job => job.library?.ownerKey === owner && (job.status === 'queued' || job.status === 'uploading' || job.status === 'running'))
+    .sort((a, b) => b.startedAt - a.startedAt)[0]
+  if (live) {
+    return {
+      jobId: live.id,
+      hideThumbnail: live.hideThumbnail === true,
+      folderLocked: live.library?.folderLocked === true,
+      ...jobSnapshot(live)
+    }
+  }
+
+  const pending = listPendingJobs()
+    .filter(job => job.ownerKey === owner)
+    .sort((a, b) => b.startedAt - a.startedAt)[0]
+  if (pending) {
+    return {
+      jobId: pending.jobId,
+      type: 'snapshot',
+      status: 'running',
+      message: 'Reconnecting to ComfyUI...',
+      progress: Math.max(8, Math.min(90, Math.round((Date.now() - pending.startedAt) / 1000))),
+      promptId: pending.promptId,
+      elapsedMs: Date.now() - pending.startedAt,
+      hideThumbnail: pending.hideThumbnail === true,
+      folderLocked: pending.folderLocked === true
+    }
+  }
+
+  return { jobId: null }
+})