Stop a deleted video chain from keeping the GPU.

Interrupt now clears Comfy, and a missing shot list no longer continues to the next extension.

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

server/utils/comfy.ts

@@ -144,8 +144,13 @@ export async function queuePrompt(graph: unknown, clientId: string) {
 }
 
 export async function interruptComfy() {
-  const res = await comfyFetch('/interrupt', { method: 'POST' })
-  return res.ok
+  const res = await comfyFetch('/interrupt', { method: 'POST' }).catch(() => null)
+  await comfyFetch('/queue', {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify({ clear: true })
+  }).catch(() => null)
+  return Boolean(res?.ok)
 }
 
 export async function fetchHistory(promptId: string) {

server/utils/videoChain.ts

@@ -259,10 +259,13 @@ function seedCurrentVideo(job: Job) {
 
 function chainShouldHold(job: Job) {
   if (!job.library) return false
+  if (job.status === 'cancelled' || job.status === 'error') return true
   if (job.library.stopAfterCurrent) return true
+  if (job.library.queueId && isShotQueueCancelled(job.library.queueId)) return true
   const queue = job.library.queueId
     ? getShotQueue(job.library.ownerKey, job.library.queueId)
     : null
+  if (job.library.queueId && !queue) return true
   if (queue?.stopAfterCurrent || queue?.status === 'paused') return true
   return false
 }
@@ -371,6 +374,11 @@ export async function continueQueuedExtensions(
           ? detail
           : `Could not extract the last frame for the next extension: ${detail}`)
       }
+      assertJobActive(job)
+      if (chainShouldHold(job)) {
+        job.library.stopAfterCurrent = true
+        break
+      }
       const frame = readFileSync(framePath)
       if (!frame.length || frame.length < 64) {
         throw new Error('Could not extract the last frame for the next extension: the frame file was empty')
@@ -391,7 +399,17 @@ export async function continueQueuedExtensions(
         job.library.shotPermanenceRefs || params.shotPermanenceRefs
       )
 
+      assertJobActive(job)
+      if (chainShouldHold(job)) {
+        job.library.stopAfterCurrent = true
+        break
+      }
       await ensureComfyReady(ready)
+      assertJobActive(job)
+      if (chainShouldHold(job)) {
+        job.library.stopAfterCurrent = true
+        break
+      }
       await queueMiniMax(job, {
         prompt: ext.prompt,
         image: { filename: 'last_frame.png', data: frame, type: 'image/png' },