Keep family pre/post text on shot queues and wrap the mid prompt at Comfy time.

Later shots were starting a new job without those wrappers, so only the first clip got them.

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

server/api/generate.post.ts

@@ -4,7 +4,7 @@ import { listStudioLoras, parsePostedLoraStack, parseShotLoraStacks, persistLora
 import { clampVideoCfg } from '~/utils/generationPresets'
 import { defaultVideoSteps, isLtxWorkflow, isTextToVideo, LTX_DISABLED_MESSAGE, ltxWorkflowEnabled, parseVideoWorkflow, videoEngineOf } from '~/utils/videoModels'
 import { allowIdentityRefs, normalizePermanenceRefs, resolveGlobalLocks, type PermanenceRef } from '~/utils/globalLocks'
-import { composePromptParts, joinPromptParts, persistPromptWrappers } from '~/utils/promptParts'
+import { composePromptParts, persistPromptWrappers } from '~/utils/promptParts'
 import type { QueuedExtension } from '~/server/utils/library'
 
 function parseDuration(raw: unknown) {
@@ -150,7 +150,7 @@ export default defineEventHandler(async (event) => {
     throw createError({ statusCode: 400, statusMessage: 'A motion prompt is required' })
   }
   const resolvedLocks = resolveGlobalLocks(fields.globalLocks || '', promptMid)
-  const prompt = joinPromptParts(promptPre, resolvedLocks.prompt, promptPost)
+  const prompt = resolvedLocks.prompt
   const globalLocks = resolvedLocks.locks
   const extensions = parseExtensions(fields.extensions)
   const permanenceRefs = parseFamilyPermanenceRefs(fields.permanenceRefs)
@@ -251,7 +251,7 @@ export default defineEventHandler(async (event) => {
     familyId,
     payload: {
       prompt,
-      promptMid: promptMid || undefined,
+      promptMid: prompt || undefined,
       promptPre: promptPre || undefined,
       promptPost: promptPost || undefined,
       name: clipName,