Use the parent clip last frame and new-segment join for extensions, not the stitched file's first frame. Show this account's library storage in Settings.

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

server/api/extend.post.ts

@@ -172,8 +172,11 @@ async function runExtend(
   }
 ) {
   copyFileSync(params.sourcePath, params.part1Path)
-  await extractLastFrame(params.part1Path, params.framePath)
+  await extractLastFrame(params.sourcePath, params.framePath)
   const frame = readFileSync(params.framePath)
+  if (!frame.length || frame.length < 64) {
+    throw new Error('Could not extract the last frame of the clip being extended')
+  }
   if (job.library) job.library.thumb = undefined
   const sound = await probeHasAudio(params.part1Path)
 

server/api/generate.post.ts

@@ -1,6 +1,6 @@
 import { addStudioJob, kickStudioQueue, listStudioJobs } from '~/server/utils/studioQueue'
 import { defaultVideoSteps, isLtxWorkflow, isTextToVideo, parseVideoWorkflow } from '~/utils/videoModels'
-import { normalizePermanenceRefs, resolveGlobalLocks, type PermanenceRef } from '~/utils/globalLocks'
+import { allowIdentityRefs, normalizePermanenceRefs, resolveGlobalLocks, type PermanenceRef } from '~/utils/globalLocks'
 
 function parseDuration(raw: unknown) {
   const seconds = Number(raw)
@@ -121,7 +121,8 @@ export default defineEventHandler(async (event) => {
       shotPermanenceRefs[index + 1] = item.permanenceRefs
     }
   }
-  const useIdentityRefs = workflow === 'v2' && !textToVideo && !isLtxWorkflow(workflow) && fields.useIdentityRefs === 'true'
+  const requestedIdentity = workflow === 'v2' && !textToVideo && !isLtxWorkflow(workflow) && fields.useIdentityRefs === 'true'
+  const useIdentityRefs = allowIdentityRefs(requestedIdentity, permanenceRefs, globalLocks, shotPermanenceRefs)
   const { width, height } = resolveOutputSize(
     fields.aspect,
     image?.data || Buffer.alloc(0),

server/api/library/clips/[id]/first-frame.get.ts

@@ -27,7 +27,7 @@ export default defineEventHandler(async (event) => {
 
   const etag = fileEtag(path)
   setHeader(event, 'ETag', etag)
-  setHeader(event, 'Cache-Control', wantThumb ? 'private, max-age=86400, stale-while-revalidate=604800' : 'private, max-age=3600')
+  setHeader(event, 'Cache-Control', wantThumb ? 'private, max-age=60, must-revalidate' : 'private, max-age=60, must-revalidate')
   if (getHeader(event, 'if-none-match') === etag) {
     setResponseStatus(event, 304)
     return null

server/api/library/clips/[id]/last-frame.get.ts

@@ -27,7 +27,7 @@ export default defineEventHandler(async (event) => {
 
   const etag = fileEtag(path)
   setHeader(event, 'ETag', etag)
-  setHeader(event, 'Cache-Control', wantThumb ? 'private, max-age=86400, stale-while-revalidate=604800' : 'private, max-age=3600')
+  setHeader(event, 'Cache-Control', wantThumb ? 'private, max-age=60, must-revalidate' : 'private, max-age=60, must-revalidate')
   if (getHeader(event, 'if-none-match') === etag) {
     setResponseStatus(event, 304)
     return null

server/api/settings/storage.get.ts

@@ -0,0 +1,4 @@
+export default defineEventHandler(async (event) => {
+  const { owner } = assertLibraryOwner(event)
+  return libraryStorage(owner)
+})