Restore pre/post text when using clips as input or extending.

Extend no longer blanks wrappers when a part omitted them, Use as input inherits family pre/post, and non-image stills stay on Video instead of being forced into Image mode.

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

pages/index.vue

@@ -2261,7 +2261,7 @@
 </template>
 
 <script setup lang="ts">
-import { composePromptParts, formatPromptParts, restorePromptParts } from '~/utils/promptParts'
+import { composePromptParts, formatPromptParts, resolvePromptWrappers, restorePromptParts } from '~/utils/promptParts'
 import { parseEditPasses, looksLikeShotScript } from '~/utils/parseRecommend'
 import { parseImageBatchScript, parseShotScript } from '~/utils/parseShots'
 import type { DirectorScript } from '~/utils/directorScripts'
@@ -4325,16 +4325,39 @@ function insertKeepPrompt(item: KeepPrompt) {
 }
 
 function applyPromptRestore(saved: string, stored?: { prompt?: string; promptPre?: string; promptPost?: string } | null) {
-  const parts = restorePromptParts(saved, {
-    pre: stored?.promptPre,
-    prompt: saved,
-    post: stored?.promptPost
+  const wrappers = resolvePromptWrappers(stored || undefined)
+  const mid = String(saved || stored?.prompt || '').trim()
+  const parts = restorePromptParts(mid, {
+    pre: wrappers.promptPre || stored?.promptPre,
+    prompt: mid,
+    post: wrappers.promptPost || stored?.promptPost
   })
   promptPre.value = parts.pre
   prompt.value = parts.prompt
   promptPost.value = parts.post
 }
 
+function promptPartsForClip(
+  clip: LibraryClip | null | undefined,
+  midFallback = ''
+) {
+  const family = clip ? familyPartsFor(clip) : []
+  const wrappers = resolvePromptWrappers(
+    clip || undefined,
+    family[0],
+    {
+      promptPre: promptPre.value,
+      promptPost: promptPost.value
+    }
+  )
+  const mid = String(clip?.prompt || midFallback || '').trim()
+  return restorePromptParts(mid, {
+    pre: wrappers.promptPre,
+    prompt: mid,
+    post: wrappers.promptPost
+  })
+}
+
 function queuedExtensionFrom(
   item: { prompt?: string; promptPre?: string; promptPost?: string; duration?: number; loraName?: string; loraStack?: LoraStackItem[] },
   duration: number,
@@ -5533,6 +5556,7 @@ async function restoreStudioPayload(kind: string, payload: {
       refinementDenoise?: number
       promptPre?: string
       promptPost?: string
+      promptMid?: string
       globalLocks?: string
       permanenceRefs?: PermanenceRef[]
       shotPermanenceRefs?: PermanenceRef[][]
@@ -5568,9 +5592,15 @@ async function restoreStudioPayload(kind: string, payload: {
     || Object.prototype.hasOwnProperty.call(item, 'promptPost')
   )
   applyVideoWorkflow(payload.workflow)
+  const mid = String(payload.promptMid || '').trim() || String(payload.prompt || '').trim()
   applyPromptRestore(queuedAsCards || !extensions.length
-    ? (payload.prompt || '')
-    : [payload.prompt.trim(), ...extensions.map((item, index) => `shot ${index + 2}\n${item.prompt.trim()}`)].join('\n\n'), payload)
+    ? mid
+    : [mid, ...extensions.map((item, index) => `shot ${index + 2}\n${String(item.prompt || '').trim()}`)].join('\n\n'), {
+    ...payload,
+    prompt: mid,
+    promptPre: payload.promptPre,
+    promptPost: payload.promptPost
+  })
   clipName.value = payload.name || ''
   seedInput.value = String(payload.seed || '')
   restoreAdvanced({
@@ -5944,7 +5974,13 @@ async function rerun(item: LibraryClip, collection = false) {
   const parts = familyPartsFor(item)
   const target = collection ? parts[0] || item : item
   const restoreAll = collection && parts.length > 1
-  applyPromptRestore(restoreAll ? familyScript(parts) : target.prompt, target)
+  const ordered = chronologicalParts(parts)
+  const wrappers = resolvePromptWrappers(target, ordered[0])
+  applyPromptRestore(restoreAll ? familyScript(parts) : target.prompt, {
+    prompt: restoreAll ? familyScript(parts) : target.prompt,
+    promptPre: wrappers.promptPre || target.promptPre,
+    promptPost: wrappers.promptPost || target.promptPost
+  })
   clipName.value = restoreAll
     ? (familyBaseName(collectionTitle({ head: target, parts })) || target.name || '')
     : (target.name || '')
@@ -5959,7 +5995,6 @@ async function rerun(item: LibraryClip, collection = false) {
   if (typeof target.sound === 'boolean') withSound.value = target.sound
   shotScriptMode.value = restoreAll
   identityRefs.value.forEach((_, index) => clearIdentityRef(index))
-  const ordered = chronologicalParts(parts)
   globalLocks.value = ordered.find(part => part.globalLocks)?.globalLocks || target.globalLocks || ''
   familyPermanenceRefs.value = ordered[0]?.permanenceRefs || target.permanenceRefs || []
   const familyIds = new Set(familyPermanenceRefs.value.map(ref => ref.stillId))
@@ -5974,11 +6009,18 @@ async function rerun(item: LibraryClip, collection = false) {
     restoreAll ? ordered : undefined
   )
   extensionQueue.value = restoreAll
-    ? parts.slice(1).map(part => queuedExtensionFrom(
-      part,
+    ? parts.slice(1).map(part => {
+      const shotWrappers = resolvePromptWrappers(part, ordered[0], target)
+      return queuedExtensionFrom(
+        {
+          ...part,
+          promptPre: shotWrappers.promptPre || part.promptPre,
+          promptPost: shotWrappers.promptPost || part.promptPost
+        },
         clipGenerateDuration(part),
         loraStacksEqual(readLoraStack(part), readLoraStack(ordered[0] || target)) ? [] : readLoraStack(part)
-    ))
+      )
+    })
     : []
   try {
     const initialTextToVideo = textToVideo.value && !target.parentClipId && !(target.chainIndex)
@@ -6144,13 +6186,11 @@ async function openExtend(item?: LibraryClip) {
   }
   currentClipId.value = id
   extendClipId.value = id
-  const clip = clips.value.find(entry => entry.id === id)
+  const clip = clips.value.find(entry => entry.id === id) || item || null
   if (clip) ensureFamilyExpanded(clip)
-  const parts = restorePromptParts(clip?.prompt || prompt.value, {
-    pre: clip ? (clip.promptPre || '') : promptPre.value,
-    prompt: clip?.prompt || prompt.value,
-    post: clip ? (clip.promptPost || '') : promptPost.value
-  })
+  // Prefer clip wrappers, then family head, then the main form — never blank pre/post
+  // just because this part did not re-store them.
+  const parts = promptPartsForClip(clip, prompt.value)
   extendPromptPre.value = parts.pre
   extendPrompt.value = parts.prompt
   extendPromptPost.value = parts.post
@@ -6297,6 +6337,12 @@ function applyStillSettings(still: LibraryStill) {
   browseFolderId.value = still.folderId
   rememberInputSeed(settings?.seed)
   applyPromptRestore(still.prompt || '', still)
+  // Non-image stills are video start frames — keep Video mode and only restore prompt parts.
+  if (!dest) {
+    studioMode.value = 'video'
+    outputFocus.value = 'video'
+    return
+  }
   if (dest === 'imagev2') {
     studioMode.value = 'editv2'
     outputFocus.value = 'edit'