Split prompts into pre/prompt/post and tidy the AIGen video form.

Keep wrappers off the library mid-prompt so Use as input and Extend restore the same split, send stills to xAIGen as hidden inputs, and stop the two-column library from growing with the list.

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

.env.example

@@ -24,6 +24,11 @@ NUXT_OIDC_AUTHORIZE_URL=https://auth.carrgarage.com/application/o/authorize/
 NUXT_OIDC_TOKEN_URL=http://192.168.77.2:9000/application/o/token/
 LIBRARY_DIR=/data/library
 
+# AIGen → xAIGen still backup. Set the URL + token on AIGen. Set the same token on xAIGen as BACKUP_INGEST_TOKEN.
+# BACKUP_STUDIO_URL=https://xaigen.carrgarage.com
+# BACKUP_STUDIO_TOKEN=
+# BACKUP_INGEST_TOKEN=
+
 # Private clone (xaigen): password login, isolated library, Comfy prefix
 # AUTH_MODE=password
 # NUXT_PUBLIC_INSTANCE_NAME=xAIGen

components/GlobalLocksEditor.vue

@@ -1,5 +1,5 @@
 <template>
-  <details class="rounded-2xl border border-white/10 bg-zinc-950/40 px-4 py-3">
+  <details v-if="!embedded" class="rounded-2xl border border-white/10 bg-zinc-950/40 px-4 py-3">
     <summary class="cursor-pointer text-sm font-medium text-zinc-200">
       Global locks
       <span class="ml-2 font-normal text-xs text-zinc-500">Every shot inherits these. Each clip adds one beat.</span>
@@ -7,31 +7,45 @@
     <p class="mt-2 text-xs text-zinc-500">
       Shared standards for last-frame I2V. Later shots get a compact <span class="text-zinc-300">[INHERITS]</span> line, not this whole block again.
     </p>
-    <textarea
-      :value="modelValue"
-      rows="10"
-      class="mt-3 max-h-64 w-full overflow-y-auto rounded-xl border border-white/10 bg-zinc-950 px-3 py-2 text-sm outline-none ring-amber-300/40 placeholder:text-zinc-600 [overflow-wrap:anywhere] focus:ring-2"
+    <div class="mt-3">
+      <PromptField
+        :model-value="modelValue"
+        :rows="10"
+        title="Global locks"
+        write-label="Write locks"
+        edit-label="View / edit locks"
+        textarea-class="max-h-64"
         :placeholder="placeholder"
-      @input="emit('update:modelValue', ($event.target as HTMLTextAreaElement).value)"
+        @update:model-value="emit('update:modelValue', $event)"
       />
       <div class="mt-2 flex flex-wrap gap-2">
-      <button
-        type="button"
-        class="rounded-lg border border-white/15 px-2.5 py-1 text-xs text-zinc-300 hover:border-amber-300/40 hover:text-amber-100"
-        @click="insertTemplate"
-      >
-        Insert template
-      </button>
-      <button
-        v-if="modelValue.trim()"
-        type="button"
-        class="rounded-lg border border-white/15 px-2.5 py-1 text-xs text-zinc-400 hover:text-white"
-        @click="emit('update:modelValue', '')"
-      >
-        Clear
-      </button>
+        <button type="button" class="rounded-lg border border-white/15 px-2.5 py-1 text-xs text-zinc-300 hover:border-amber-300/40 hover:text-amber-100" @click="insertTemplate">Insert template</button>
+        <button v-if="modelValue.trim()" type="button" class="rounded-lg border border-white/15 px-2.5 py-1 text-xs text-zinc-400 hover:text-white" @click="emit('update:modelValue', '')">Clear</button>
+      </div>
     </div>
   </details>
+  <div v-else>
+    <p class="text-sm font-medium text-zinc-200">Global locks</p>
+    <p class="mt-0.5 text-xs text-zinc-500">
+      Shared standards for last-frame I2V. Later shots get a compact <span class="text-zinc-300">[INHERITS]</span> line, not this whole block again.
+    </p>
+    <div class="mt-3">
+      <PromptField
+        :model-value="modelValue"
+        :rows="10"
+        title="Global locks"
+        write-label="Write locks"
+        edit-label="View / edit locks"
+        textarea-class="max-h-64"
+        :placeholder="placeholder"
+        @update:model-value="emit('update:modelValue', $event)"
+      />
+      <div class="mt-2 flex flex-wrap gap-2">
+        <button type="button" class="rounded-lg border border-white/15 px-2.5 py-1 text-xs text-zinc-300 hover:border-amber-300/40 hover:text-amber-100" @click="insertTemplate">Insert template</button>
+        <button v-if="modelValue.trim()" type="button" class="rounded-lg border border-white/15 px-2.5 py-1 text-xs text-zinc-400 hover:text-white" @click="emit('update:modelValue', '')">Clear</button>
+      </div>
+    </div>
+  </div>
 </template>
 
 <script setup lang="ts">
@@ -39,6 +53,7 @@ import { DEFAULT_GLOBAL_LOCKS } from '~/utils/globalLocks'
 
 defineProps<{
   modelValue: string
+  embedded?: boolean
 }>()
 
 const emit = defineEmits<{

components/PromptField.vue

@@ -0,0 +1,71 @@
+<template>
+  <div>
+    <textarea
+      :value="modelValue"
+      :rows="rows"
+      class="hidden w-full overflow-y-auto rounded-xl border border-white/10 bg-zinc-950 px-3 py-2 text-sm outline-none ring-amber-300/40 placeholder:text-zinc-600 [overflow-wrap:anywhere] focus:ring-2 md:block"
+      :class="textareaClass"
+      :placeholder="placeholder"
+      :disabled="disabled"
+      @input="onInput"
+    />
+    <button
+      type="button"
+      class="w-full rounded-xl border border-white/10 bg-zinc-950 px-3 py-2 text-left md:hidden"
+      :disabled="disabled"
+      @click="drawerOpen = true"
+    >
+      <p v-if="modelValue.trim()" class="line-clamp-4 whitespace-pre-wrap text-sm text-zinc-200 [overflow-wrap:anywhere]">{{ modelValue }}</p>
+      <p v-else class="text-sm text-zinc-600">{{ placeholder }}</p>
+      <span class="mt-1 inline-block text-xs text-amber-200">{{ modelValue.trim() ? editLabel : writeLabel }}</span>
+    </button>
+    <PromptDrawer
+      :open="drawerOpen"
+      :title="title"
+      :text="modelValue"
+      :placeholder="placeholder"
+      :keep-items="keepItems"
+      :keep-heading="keepHeading"
+      @update:open="drawerOpen = $event"
+      @update:text="emit('update:modelValue', $event)"
+    />
+  </div>
+</template>
+
+<script setup lang="ts">
+import type { KeepPrompt } from '~/utils/keepPrompts'
+
+const props = withDefaults(defineProps<{
+  modelValue?: string
+  rows?: number
+  placeholder?: string
+  title?: string
+  editLabel?: string
+  writeLabel?: string
+  textareaClass?: string
+  disabled?: boolean
+  keepItems?: KeepPrompt[]
+  keepHeading?: string
+}>(), {
+  modelValue: '',
+  rows: 3,
+  placeholder: '',
+  title: 'Prompt',
+  editLabel: 'View / edit',
+  writeLabel: 'Write',
+  textareaClass: 'max-h-32 md:max-h-none',
+  disabled: false,
+  keepItems: () => [],
+  keepHeading: 'Saved prompts'
+})
+
+const emit = defineEmits<{
+  'update:modelValue': [value: string]
+}>()
+
+const drawerOpen = ref(false)
+
+function onInput(event: Event) {
+  emit('update:modelValue', (event.target as HTMLTextAreaElement).value)
+}
+</script>

components/PromptPartsEditor.vue

@@ -0,0 +1,208 @@
+<template>
+  <div class="space-y-3">
+    <div class="flex flex-wrap items-center gap-2">
+      <KeepPromptMenu
+        :items="keepItems"
+        :heading="keepHeading"
+        :disabled="disabled"
+        @insert="insertSnippet"
+      />
+      <div class="inline-flex rounded-full border border-white/10 p-0.5">
+        <button
+          v-for="option in targets"
+          :key="option.id"
+          type="button"
+          class="rounded-full px-2.5 py-1 text-[11px]"
+          :class="snippetTarget === option.id ? 'bg-amber-400/15 text-amber-100' : 'text-zinc-500 hover:text-zinc-300'"
+          :disabled="disabled"
+          @click="snippetTarget = option.id"
+        >
+          {{ option.label }}
+        </button>
+      </div>
+      <span class="text-[11px] text-zinc-500">Snippets go into {{ targetLabel }}.</span>
+    </div>
+
+    <label class="block text-sm">
+      <span class="mb-1 block text-xs font-medium text-zinc-400">Pre-text</span>
+      <textarea
+        :value="pre"
+        rows="2"
+        class="hidden max-h-40 w-full overflow-y-auto rounded-2xl border border-white/10 bg-zinc-950/70 px-4 py-2.5 text-sm outline-none ring-amber-300/40 placeholder:text-zinc-600 [overflow-wrap:anywhere] focus:ring-2 md:block"
+        :placeholder="prePlaceholder"
+        :disabled="disabled"
+        @focus="snippetTarget = 'pre'"
+        @input="onInput('pre', $event)"
+      />
+      <button
+        type="button"
+        class="w-full rounded-2xl border border-white/10 bg-zinc-950/70 px-4 py-2.5 text-left md:hidden"
+        @click="openDrawer('pre')"
+      >
+        <p v-if="pre.trim()" class="line-clamp-3 whitespace-pre-wrap text-sm text-zinc-200 [overflow-wrap:anywhere]">{{ pre }}</p>
+        <p v-else class="text-sm text-zinc-600">{{ prePlaceholder }}</p>
+        <span class="mt-1 inline-block text-xs text-amber-200">{{ pre.trim() ? 'View / edit pre-text' : 'Write pre-text' }}</span>
+      </button>
+    </label>
+
+    <label class="block text-sm">
+      <span class="mb-1 block text-xs font-medium text-zinc-400">Prompt</span>
+      <textarea
+        :value="prompt"
+        :rows="promptRows"
+        class="hidden max-h-[min(28rem,70vh)] w-full overflow-y-auto rounded-2xl border border-white/10 bg-zinc-950/70 px-4 py-3 text-sm outline-none ring-amber-300/40 placeholder:text-zinc-600 [overflow-wrap:anywhere] focus:ring-2 md:block"
+        :placeholder="promptPlaceholder"
+        :disabled="disabled"
+        @focus="snippetTarget = 'prompt'"
+        @input="onInput('prompt', $event)"
+      />
+      <button
+        type="button"
+        class="w-full rounded-2xl border border-white/10 bg-zinc-950/70 px-4 py-3 text-left md:hidden"
+        @click="openDrawer('prompt')"
+      >
+        <p v-if="prompt.trim()" class="line-clamp-4 whitespace-pre-wrap text-sm text-zinc-200 [overflow-wrap:anywhere]">{{ prompt }}</p>
+        <p v-else class="text-sm text-zinc-600">{{ promptPlaceholder }}</p>
+        <span class="mt-2 inline-block text-xs text-amber-200">{{ prompt.trim() ? 'View / edit prompt' : 'Write prompt' }}</span>
+      </button>
+    </label>
+
+    <label class="block text-sm">
+      <span class="mb-1 block text-xs font-medium text-zinc-400">Post-text</span>
+      <textarea
+        :value="post"
+        rows="2"
+        class="hidden max-h-40 w-full overflow-y-auto rounded-2xl border border-white/10 bg-zinc-950/70 px-4 py-2.5 text-sm outline-none ring-amber-300/40 placeholder:text-zinc-600 [overflow-wrap:anywhere] focus:ring-2 md:block"
+        :placeholder="postPlaceholder"
+        :disabled="disabled"
+        @focus="snippetTarget = 'post'"
+        @input="onInput('post', $event)"
+      />
+      <button
+        type="button"
+        class="w-full rounded-2xl border border-white/10 bg-zinc-950/70 px-4 py-2.5 text-left md:hidden"
+        @click="openDrawer('post')"
+      >
+        <p v-if="post.trim()" class="line-clamp-3 whitespace-pre-wrap text-sm text-zinc-200 [overflow-wrap:anywhere]">{{ post }}</p>
+        <p v-else class="text-sm text-zinc-600">{{ postPlaceholder }}</p>
+        <span class="mt-1 inline-block text-xs text-amber-200">{{ post.trim() ? 'View / edit post-text' : 'Write post-text' }}</span>
+      </button>
+    </label>
+
+    <div v-if="keepItems.length" class="flex flex-wrap gap-1.5">
+      <button
+        v-for="item in keepItems"
+        :key="item.id"
+        type="button"
+        class="max-w-full truncate rounded-full border border-white/10 px-2.5 py-1 text-xs text-zinc-300 hover:border-amber-300/40 hover:text-amber-100"
+        :title="item.text"
+        :disabled="disabled"
+        @click="insertSnippet(item)"
+      >
+        {{ item.label }}
+      </button>
+    </div>
+
+    <PromptDrawer
+      :open="drawerOpen"
+      :title="drawerTitle"
+      :text="drawerText"
+      :placeholder="drawerPlaceholder"
+      :keep-items="keepItems"
+      :keep-heading="keepHeading"
+      @update:open="drawerOpen = $event"
+      @update:text="onDrawerText"
+    />
+  </div>
+</template>
+
+<script setup lang="ts">
+import { insertKeepSnippet, type KeepPrompt } from '~/utils/keepPrompts'
+
+const targets = [
+  { id: 'pre' as const, label: 'Pre' },
+  { id: 'prompt' as const, label: 'Prompt' },
+  { id: 'post' as const, label: 'Post' }
+]
+
+const props = withDefaults(defineProps<{
+  pre?: string
+  prompt?: string
+  post?: string
+  keepItems?: KeepPrompt[]
+  keepHeading?: string
+  promptPlaceholder?: string
+  prePlaceholder?: string
+  postPlaceholder?: string
+  promptRows?: number
+  disabled?: boolean
+}>(), {
+  pre: '',
+  prompt: '',
+  post: '',
+  keepItems: () => [],
+  keepHeading: 'Saved prompts',
+  promptPlaceholder: '',
+  prePlaceholder: 'Optional text before the prompt…',
+  postPlaceholder: 'Optional text after the prompt…',
+  promptRows: 6,
+  disabled: false
+})
+
+const emit = defineEmits<{
+  'update:pre': [value: string]
+  'update:prompt': [value: string]
+  'update:post': [value: string]
+}>()
+
+const snippetTarget = ref<'pre' | 'prompt' | 'post'>('prompt')
+const drawerField = ref<'pre' | 'prompt' | 'post'>('prompt')
+const drawerOpen = ref(false)
+
+const targetLabel = computed(() => targets.find(item => item.id === snippetTarget.value)?.label.toLowerCase() || 'prompt')
+const drawerTitle = computed(() => {
+  if (drawerField.value === 'pre') return 'Pre-text'
+  if (drawerField.value === 'post') return 'Post-text'
+  return 'Prompt'
+})
+const drawerPlaceholder = computed(() => {
+  if (drawerField.value === 'pre') return props.prePlaceholder
+  if (drawerField.value === 'post') return props.postPlaceholder
+  return props.promptPlaceholder
+})
+const drawerText = computed(() => {
+  if (drawerField.value === 'pre') return props.pre
+  if (drawerField.value === 'post') return props.post
+  return props.prompt
+})
+
+function currentValue(target: 'pre' | 'prompt' | 'post') {
+  if (target === 'pre') return props.pre
+  if (target === 'post') return props.post
+  return props.prompt
+}
+
+function emitField(target: 'pre' | 'prompt' | 'post', value: string) {
+  if (target === 'pre') emit('update:pre', value)
+  else if (target === 'post') emit('update:post', value)
+  else emit('update:prompt', value)
+}
+
+function onInput(target: 'pre' | 'prompt' | 'post', event: Event) {
+  emitField(target, (event.target as HTMLTextAreaElement).value)
+}
+
+function insertSnippet(item: KeepPrompt) {
+  emitField(snippetTarget.value, insertKeepSnippet(currentValue(snippetTarget.value), item.text))
+}
+
+function openDrawer(target: 'pre' | 'prompt' | 'post') {
+  snippetTarget.value = target
+  drawerField.value = target
+  drawerOpen.value = true
+}
+
+function onDrawerText(value: string) {
+  emitField(drawerField.value, value)
+}
+</script>

nuxt.config.ts

@@ -52,6 +52,9 @@ export default defineNuxtConfig({
     authMode: process.env.NUXT_AUTH_MODE || process.env.AUTH_MODE || '',
     authUsername: process.env.AUTH_USERNAME || '',
     authPassword: process.env.AUTH_PASSWORD || '',
+    backupStudioUrl: process.env.BACKUP_STUDIO_URL || '',
+    backupStudioToken: process.env.BACKUP_STUDIO_TOKEN || '',
+    backupIngestToken: process.env.BACKUP_INGEST_TOKEN || '',
     purgeComfyOutputs: process.env.PURGE_COMFY_OUTPUTS !== 'false',
     comfyFilenamePrefix: process.env.COMFY_FILENAME_PREFIX || 'video/MiniMax_H3',
     kreaConceptLora: process.env.NUXT_KREA_CONCEPT_LORA || '',
@@ -61,7 +64,8 @@ export default defineNuxtConfig({
       instanceName: process.env.NUXT_PUBLIC_INSTANCE_NAME || 'AIGen',
       // NUXT_PUBLIC_STUDIO=xaigen on the xAIGen Coolify app (LTX Pink Cherry + xAIGen-prefixed LoRAs)
       studio: process.env.NUXT_PUBLIC_STUDIO || '',
-      kreaConceptLora: process.env.NUXT_PUBLIC_KREA_CONCEPT_LORA || process.env.NUXT_KREA_CONCEPT_LORA || ''
+      kreaConceptLora: process.env.NUXT_PUBLIC_KREA_CONCEPT_LORA || process.env.NUXT_KREA_CONCEPT_LORA || '',
+      backupStudioEnabled: Boolean(String(process.env.BACKUP_STUDIO_URL || '').trim()) && !xaigenStudio
     }
   },
   nitro: {

pages/index.vue

@@ -7,7 +7,7 @@
       @gpu="pollComfyHealth"
     />
 
-    <main class="mx-auto grid min-w-0 max-w-7xl gap-6 px-4 py-6 sm:px-6 lg:grid-cols-[minmax(0,1fr)_minmax(0,1fr)]">
+    <main class="mx-auto grid min-w-0 max-w-7xl items-start gap-6 px-4 py-6 sm:px-6 lg:grid-cols-[minmax(0,1fr)_minmax(0,1fr)]">
       <section id="studio-input" class="glass min-w-0 max-w-full rounded-3xl p-5 sm:p-6 space-y-5">
         <div>
           <div class="mb-4 grid grid-cols-2 gap-3">
@@ -219,12 +219,6 @@
           <div class="mb-2 flex flex-wrap items-center justify-between gap-2">
             <label class="text-sm font-medium text-zinc-300">{{ studioMode === 'editv2' && v2Mode === 'generate' ? 'Generate prompt' : studioMode === 'editv2' && v2Mode === 'refine' ? 'Refine prompt' : studioMode === 'edit' || studioMode === 'editv2' ? 'Edit prompt' : 'Motion & scene prompt' }}</label>
             <div class="flex flex-wrap items-center gap-3">
-              <KeepPromptMenu
-                :items="activeKeepPrompts"
-                :heading="keepPromptHeading"
-                align="right"
-                @insert="insertKeepPrompt"
-              />
               <button
                 v-if="identityPrompting"
                 type="button"
@@ -284,21 +278,15 @@
             :class="studioMode === 'edit' || studioMode === 'editv2' ? 'md:grid-cols-2' : ''"
           >
             <div class="min-w-0">
-              <textarea
-                v-model="prompt"
-                :rows="shotScriptMode || identityPrompting ? 12 : 6"
-                class="hidden max-h-[min(28rem,70vh)] w-full overflow-y-auto rounded-2xl border border-white/10 bg-zinc-950/70 px-4 py-3 text-sm outline-none ring-amber-300/40 placeholder:text-zinc-600 [overflow-wrap:anywhere] focus:ring-2 md:block"
-                :placeholder="promptPlaceholder"
+              <PromptPartsEditor
+                v-model:pre="promptPre"
+                v-model:prompt="prompt"
+                v-model:post="promptPost"
+                :prompt-placeholder="promptPlaceholder"
+                :prompt-rows="shotScriptMode || identityPrompting ? 12 : 6"
+                :keep-items="activeKeepPrompts"
+                :keep-heading="keepPromptHeading"
               />
-              <button
-                type="button"
-                class="w-full rounded-2xl border border-white/10 bg-zinc-950/70 px-4 py-3 text-left md:hidden"
-                @click="promptDrawerOpen = true"
-              >
-                <p v-if="prompt.trim()" class="line-clamp-4 whitespace-pre-wrap text-sm text-zinc-200 [overflow-wrap:anywhere]">{{ prompt }}</p>
-                <p v-else class="text-sm text-zinc-600">{{ promptPlaceholder }}</p>
-                <span class="mt-2 inline-block text-xs text-amber-200">{{ prompt.trim() ? 'View / edit prompt' : 'Write prompt' }}</span>
-              </button>
             </div>
             <label v-if="studioMode === 'edit' || studioMode === 'editv2'" class="block min-w-0 text-sm">
               <span class="mb-2 block font-medium text-zinc-300">Negative prompt</span>
@@ -318,18 +306,6 @@
               />
             </label>
           </div>
-          <div v-if="activeKeepPrompts.length" class="mt-2 flex flex-wrap gap-1.5">
-            <button
-              v-for="item in activeKeepPrompts"
-              :key="item.id"
-              type="button"
-              class="max-w-full truncate rounded-full border border-white/10 px-2.5 py-1 text-xs text-zinc-300 hover:border-amber-300/40 hover:text-amber-100"
-              :title="item.text"
-              @click="insertKeepPrompt(item)"
-            >
-              {{ item.label }}
-            </button>
-          </div>
           <p v-if="studioMode === 'editv2' && v2Mode === 'generate'" class="mt-3 text-xs text-zinc-500">No reference image. Prompt only.</p>
           <div v-if="studioMode === 'editv2' && v2Mode === 'refine'" class="mt-3 space-y-2">
             <p class="text-xs text-zinc-500">Prompt only what should change in the painted area.</p>
@@ -432,11 +408,14 @@
                   Remove
                 </button>
               </div>
-              <textarea
+              <PromptField
                 v-model="item.prompt"
-                rows="3"
-                class="w-full rounded-xl border border-white/10 bg-zinc-950 px-3 py-2 text-sm outline-none ring-amber-300/40 placeholder:text-zinc-600 focus:ring-2"
+                :rows="3"
+                :title="`${imagePassMode === 'batch' ? 'Prompt' : 'Pass'} ${index + 2}`"
                 :placeholder="extraPassPlaceholder"
+                :keep-items="activeKeepPrompts"
+                :keep-heading="keepPromptHeading"
+                :disabled="editBusy"
               />
             </div>
             <button
@@ -458,15 +437,20 @@
             <p class="mt-3 text-[10px] uppercase tracking-wide text-zinc-500">Concatenated result</p>
             <p class="mt-1 whitespace-pre-wrap text-xs text-zinc-300 [overflow-wrap:anywhere]">{{ composedIdentityPrompt }}</p>
           </details>
-          <div v-if="studioMode === 'video'" class="mt-3 space-y-3">
-            <GlobalLocksEditor v-model="globalLocks" />
+          <details v-if="studioMode === 'video'" class="mt-3 rounded-2xl border border-white/10 bg-zinc-950/40 px-4 py-3">
+            <summary class="cursor-pointer text-sm font-medium text-zinc-200">
+              Continuity
+              <span class="ml-2 font-normal text-xs text-zinc-500">Locks and named stills. Last-frame I2V carries the picture.</span>
+            </summary>
+            <div class="mt-3 space-y-3">
+              <GlobalLocksEditor v-model="globalLocks" embedded />
               <div class="rounded-xl border border-white/10 bg-zinc-950/40 px-3 py-2.5">
                 <PermanenceRefStrip
                   :refs="familyPermanenceRefs"
                   :name-options="lockBindingKeys"
-                label="Permanence refs · all shots"
+                  label="Named stills · all shots"
                   hint="Name + still"
-                cta="Add permanence refs"
+                  cta="Add a named still"
                   add-title="Choose a still to name for every shot"
                   :hidden="hideInputPreview"
                   @add-ref="openPermanencePicker()"
@@ -474,12 +458,13 @@
                   @update-label="updateFamilyRefLabel"
                 />
                 <p class="mt-2 text-[11px] leading-relaxed text-zinc-500">
-                MiniMax will not see these photos. Continuity is the last frame of the previous clip. The stills only name the lock lines.
+                  MiniMax does not see these photos. Shot 2+ starts from the previous clip’s last frame. Names only go in the lock line.
                 </p>
                 <p class="mt-1 text-[11px] leading-relaxed text-zinc-500">{{ permanenceComfyNote }}</p>
                 <p v-if="familyRefLabelLine" class="mt-1 text-[11px] text-amber-200/80">{{ familyRefLabelLine }}</p>
               </div>
             </div>
+          </details>
           <div v-if="shotScriptMode && studioMode === 'video'" class="mt-3 space-y-2">
             <p v-if="!parsedShots.length" class="text-xs text-zinc-500">Add a first shot, then <span class="text-zinc-300">shot 2</span> for an extension.</p>
             <div
@@ -532,16 +517,7 @@
             class="rounded-2xl border border-white/10 bg-zinc-950/50 p-4"
           >
             <div class="mb-3 flex items-center justify-between gap-2">
-              <div class="flex items-center gap-2">
               <p class="text-sm font-medium text-zinc-200">Extension #{{ index + 1 }}</p>
-                <KeepPromptMenu
-                  :items="keepPrompts.video"
-                  heading="Video prompts"
-                  align="left"
-                  :disabled="videoBusy"
-                  @insert="insertKeepIntoExtension(item.id, $event)"
-                />
-              </div>
               <button
                 type="button"
                 class="text-xs text-red-300 hover:text-red-200"
@@ -551,11 +527,14 @@
                 Remove
               </button>
             </div>
-            <textarea
+            <PromptField
               v-model="item.prompt"
-              rows="3"
-              class="max-h-32 w-full overflow-y-auto rounded-xl border border-white/10 bg-zinc-950 px-3 py-2 text-sm outline-none ring-amber-300/40 placeholder:text-zinc-600 [overflow-wrap:anywhere] focus:ring-2 md:max-h-none"
+              :rows="3"
+              :title="`Extension #${index + 1}`"
               placeholder="Motion prompt for this extension…"
+              :keep-items="keepPrompts.video"
+              keep-heading="Video prompts"
+              :disabled="videoBusy"
             />
             <DurationField v-model="item.duration" class="mt-3" label="Duration" />
             <LoraSelect
@@ -737,11 +716,13 @@
             </div>
           </div>
 
-          <div v-if="videoEngine === 'minimax' && videoStart === 'still' && minimaxGraph === 'v2'" class="rounded-2xl border border-white/10 bg-zinc-950/40 px-4 py-3 space-y-3">
-            <div>
-              <p class="text-sm font-medium text-zinc-200">Character stills</p>
-              <p class="mt-0.5 text-xs text-zinc-500">Optional. Extra views of the same person — face, hair, body. Shot 2+ still starts from the last frame (clothes and pose stay). Empty slots are left out. A named extra person turns these off.</p>
-            </div>
+          <details v-if="videoEngine === 'minimax' && videoStart === 'still' && minimaxGraph === 'v2'" class="rounded-2xl border border-white/10 bg-zinc-950/40 px-4 py-3" :open="identityRefs.some(Boolean)">
+            <summary class="cursor-pointer text-sm font-medium text-zinc-200">
+              Character stills
+              <span class="ml-2 font-normal text-xs text-zinc-500">Optional extra views of the same person. Off unless you need them.</span>
+            </summary>
+            <div class="mt-3 space-y-3">
+            <p class="text-xs text-zinc-500">Face, hair, body. Shot 2+ still starts from the last frame (clothes and pose stay). Empty slots are left out. A named extra person turns these off.</p>
             <div v-if="!extraPersonLock" class="grid grid-cols-2 gap-2 sm:grid-cols-4">
               <div
                 v-for="slot in 4"
@@ -783,6 +764,7 @@
             <p v-if="extraPersonLock" class="text-xs text-zinc-500">Character stills stay off while a second named person is attached. Shot 2+ starts from the last frame.</p>
             <p v-else class="text-xs text-zinc-500">Picture 1 is the start still on shot 1 and the last frame after that. Extra stills are Picture 2–5. They do not put the start-still outfit back on.</p>
             </div>
+          </details>
         </div>
 
         <div v-if="studioMode === 'video'" class="max-w-md space-y-2">
@@ -1046,20 +1028,15 @@
           <p class="text-xs text-zinc-500">Graph default is 20 steps, CFG 1, euler. CFG 0–20 (0.1 steps), steps 1–50. A second still switches the two-image branch on. Scale to 1 MP runs Scale Image to Total Pixels (lanczos) on both stills before Klein.</p>
         </div>
 
-        <details v-if="studioMode === 'video'" class="rounded-2xl border border-white/10 bg-zinc-950/40 px-4 py-3">
-          <summary class="cursor-pointer text-sm font-medium">Generation settings</summary>
-          <div class="mt-4 space-y-4">
-            <div>
-              <AspectRatioPick v-model="aspect" heading="Aspect ratio / resolution" :options="videoAspects" />
-              <p class="mt-2 text-xs text-zinc-500">Output {{ outputSize.width }} × {{ outputSize.height }}{{ aspect === 'auto' ? (file ? ' · matching the still' : ' · 16:9 until a still is loaded') : '' }}</p>
-            </div>
-            <div>
-              <p class="mb-2 text-xs uppercase tracking-wider text-zinc-500">Steps</p>
-              <div class="grid grid-cols-2 gap-2">
-                <button type="button" class="rounded-xl border px-3 py-2 text-sm" :class="turbo ? 'border-amber-300 bg-amber-400/10' : 'border-white/10'" @click="turbo = true">{{ ltxVideo ? '8 Distilled LoRA' : (videoWorkflow === 'v2' ? '6 Turbo · LoRA on' : '8 Turbo · LoRA on') }}</button>
-                <button type="button" class="rounded-xl border px-3 py-2 text-sm" :class="!turbo ? 'border-amber-300 bg-amber-400/10' : 'border-white/10'" @click="turbo = false">{{ ltxVideo ? '12 Quality · LoRA on' : '20 High-Fidelity · LoRA bypass' }}</button>
-              </div>
-            </div>
+        <div v-if="studioMode === 'video'" class="space-y-4">
+          <div class="grid grid-cols-1 gap-3 sm:grid-cols-2">
+            <DurationField
+              v-model="duration"
+              label="Duration"
+              :hint="shotScriptMode
+                ? 'This length applies to the initial shot and every extension in the script.'
+                : 'Type any length, or hover the wheel and scroll. Shift-scroll jumps by 1s. Drag up and down.'"
+            />
             <div class="text-sm">
               <Thumbwheel
                 v-model="cfg"
@@ -1069,27 +1046,10 @@
                 :step="CFG_STEP"
                 @update:model-value="cfgTouched = true"
               />
-              <p class="mt-1 text-[11px] text-zinc-500">{{ ltxVideo ? 'Default 3.5 for PinkCherry' : (turbo ? 'Default 1.5 with Turbo LoRA' : 'Default 4.0 with High-Fidelity') }}. Hover and scroll ±0.1, Shift-scroll ±1. Drag the wheel up and down.</p>
+              <p class="mt-1 text-[11px] text-zinc-500">{{ ltxVideo ? 'Default 3.5 for PinkCherry' : (turbo ? 'Default 1.5 with Turbo LoRA' : 'Default 4.0 with High-Fidelity') }}.</p>
             </div>
-            <div class="grid grid-cols-2 gap-3">
-              <label class="text-sm">
-                <span class="mb-1 block text-zinc-400">Frame rate</span>
-                <select v-model.number="fps" class="w-full rounded-xl border border-white/10 bg-zinc-950 px-3 py-2 text-sm">
-                  <option :value="24">24 FPS</option>
-                  <option :value="12">12 FPS</option>
-                  <option :value="30">30 FPS</option>
-                </select>
-                <p class="mt-1 text-[11px] text-zinc-500">{{ frameCount }} frames · duration × FPS</p>
-              </label>
-              <DurationField
-                v-model="duration"
-                label="Duration"
-                :hint="shotScriptMode
-                  ? 'This length applies to the initial shot and every extension in the script.'
-                  : 'Type any length, or hover the wheel and scroll. Shift-scroll jumps by 1s. Drag up and down.'"
-              />
           </div>
-            <label class="text-sm">
+          <label class="block text-sm">
             <span class="mb-1 block text-zinc-400">Seed</span>
             <input v-model="seedInput" class="w-full rounded-xl border border-white/10 bg-zinc-950 px-3 py-2" placeholder="random">
           </label>
@@ -1114,8 +1074,32 @@
               </label>
             </div>
           </div>
+          <details class="rounded-2xl border border-white/10 bg-zinc-950/40 px-4 py-3">
+            <summary class="cursor-pointer text-sm font-medium">Aspect, steps, frame rate</summary>
+            <div class="mt-4 space-y-4">
+              <div>
+                <AspectRatioPick v-model="aspect" heading="Aspect ratio / resolution" :options="videoAspects" />
+                <p class="mt-2 text-xs text-zinc-500">Output {{ outputSize.width }} × {{ outputSize.height }}{{ aspect === 'auto' ? (file ? ' · matching the still' : ' · 16:9 until a still is loaded') : '' }}</p>
+              </div>
+              <div>
+                <p class="mb-2 text-xs uppercase tracking-wider text-zinc-500">Steps</p>
+                <div class="grid grid-cols-2 gap-2">
+                  <button type="button" class="rounded-xl border px-3 py-2 text-sm" :class="turbo ? 'border-amber-300 bg-amber-400/10' : 'border-white/10'" @click="turbo = true">{{ ltxVideo ? '8 Distilled LoRA' : (videoWorkflow === 'v2' ? '6 Turbo · LoRA on' : '8 Turbo · LoRA on') }}</button>
+                  <button type="button" class="rounded-xl border px-3 py-2 text-sm" :class="!turbo ? 'border-amber-300 bg-amber-400/10' : 'border-white/10'" @click="turbo = false">{{ ltxVideo ? '12 Quality · LoRA on' : '20 High-Fidelity · LoRA bypass' }}</button>
+                </div>
+              </div>
+              <label class="text-sm">
+                <span class="mb-1 block text-zinc-400">Frame rate</span>
+                <select v-model.number="fps" class="w-full rounded-xl border border-white/10 bg-zinc-950 px-3 py-2 text-sm">
+                  <option :value="24">24 FPS</option>
+                  <option :value="12">12 FPS</option>
+                  <option :value="30">30 FPS</option>
+                </select>
+                <p class="mt-1 text-[11px] text-zinc-500">{{ frameCount }} frames · duration × FPS</p>
+              </label>
             </div>
           </details>
+        </div>
 
         <label
           v-if="studioMode === 'video' && queuedExtensionCount > 0"
@@ -1228,8 +1212,8 @@
         </div>
       </section>
 
-      <section class="min-w-0 max-w-full space-y-5">
-        <div ref="outputPanel" class="glass min-w-0 max-w-full rounded-3xl p-5 sm:p-6">
+      <section class="min-w-0 max-w-full space-y-5 lg:sticky lg:top-4 lg:flex lg:max-h-[calc(100dvh-5.5rem)] lg:flex-col lg:overflow-hidden">
+        <div ref="outputPanel" class="glass min-w-0 max-w-full rounded-3xl p-5 sm:p-6 lg:shrink-0">
           <div class="flex items-center justify-between gap-3">
             <div class="flex items-center gap-3">
               <h2 class="font-display text-2xl font-bold">Output</h2>
@@ -1428,21 +1412,16 @@
               </p>
             </div>
             <label class="block text-sm">
-              <span class="mb-1 flex items-center gap-2 text-zinc-400">
-                Extension prompt
-                <KeepPromptMenu
-                  :items="keepPrompts.video"
-                  heading="Video prompts"
-                  align="left"
-                  :disabled="lastFrameLoading || videoBusy"
-                  @insert="insertKeepExtend"
-                />
-              </span>
-              <textarea
+              <span class="mb-1 block text-zinc-400">Extension prompt</span>
+              <PromptField
                 v-model="extendPrompt"
-                rows="4"
-                class="w-full rounded-xl border border-white/10 bg-zinc-950 px-3 py-2 text-sm outline-none ring-amber-300/40 placeholder:text-zinc-600 focus:ring-2"
+                :rows="4"
+                title="Extension prompt"
                 placeholder="Continue the motion from this frame…"
+                :keep-items="keepPrompts.video"
+                keep-heading="Video prompts"
+                :disabled="lastFrameLoading || videoBusy"
+                textarea-class=""
               />
             </label>
             <DurationField
@@ -1572,7 +1551,7 @@
           </div>
         </div>
 
-        <div class="glass rounded-3xl p-5 sm:p-6">
+        <div class="glass rounded-3xl p-5 sm:p-6 lg:flex lg:min-h-0 lg:flex-1 lg:flex-col">
           <div class="flex items-center justify-between gap-3">
             <h2 class="font-display text-xl font-bold">Library</h2>
             <div class="flex items-center gap-3">
@@ -1603,6 +1582,7 @@
           </form>
 
           <template v-else>
+            <div class="lg:flex lg:min-h-0 lg:flex-1 lg:flex-col">
             <div class="mt-4 flex flex-wrap items-center justify-between gap-2">
               <div class="flex min-w-0 flex-wrap gap-1.5">
                 <button
@@ -1656,7 +1636,7 @@
               <button type="button" class="text-red-300 hover:text-red-200" @click="askRemoveSelected">Delete</button>
               <button type="button" class="text-zinc-400 hover:text-white" @click="clearSelection">Clear</button>
             </div>
-            <ul class="mt-4 max-h-[min(28rem,50vh)] space-y-3 overflow-y-auto">
+            <ul class="mt-4 max-h-[min(28rem,50vh)] space-y-3 overflow-y-auto lg:min-h-0 lg:max-h-none lg:flex-1">
               <li
                 v-for="entry in visibleLibraryEntries"
                 :key="entry.key"
@@ -1932,6 +1912,13 @@
                         :disabled="keepingInputBusy"
                         @click="saveStillAsInput(entry.stillGroup.head)"
                       >Save as input</button>
+                      <button
+                        v-if="backupStudioEnabled"
+                        type="button"
+                        class="text-xs text-amber-300"
+                        :disabled="backupBusyId === entry.stillGroup.head.id"
+                        @click="sendStillToBackup(entry.stillGroup.head)"
+                      >{{ backupBusyId === entry.stillGroup.head.id ? 'Sending…' : 'Send to Backup on AIGen only' }}</button>
                       <button type="button" class="text-xs text-zinc-400" @click="toggleDetails(entry.key)">
                         {{ expandedDetails[entry.key] ? 'Hide details' : 'Details' }}
                       </button>
@@ -2008,6 +1995,13 @@
                           :disabled="keepingInputBusy"
                           @click="saveStillAsInput(item)"
                         >Save as input</button>
+                        <button
+                          v-if="backupStudioEnabled"
+                          type="button"
+                          class="text-xs text-amber-300"
+                          :disabled="backupBusyId === item.id"
+                          @click="sendStillToBackup(item)"
+                        >{{ backupBusyId === item.id ? 'Sending…' : 'Send to Backup on AIGen only' }}</button>
                         <button type="button" class="text-xs text-zinc-400" @click="toggleDetails(item.id)">
                           {{ expandedDetails[item.id] ? 'Hide details' : 'Details' }}
                         </button>
@@ -2045,20 +2039,12 @@
               Showing {{ visibleLibraryEntries.length }} of {{ libraryEntries.length }}.
               <NuxtLink to="/library" class="text-amber-300 hover:text-amber-100">Open full library</NuxtLink>
             </p>
+            </div>
           </template>
         </div>
       </section>
     </main>
 
-    <PromptDrawer
-      :open="promptDrawerOpen"
-      v-model:text="prompt"
-      :title="studioMode === 'edit' || studioMode === 'editv2' ? 'Edit prompt' : (shotScriptMode ? 'Shot script' : 'Prompt')"
-      :placeholder="promptPlaceholder"
-      :keep-items="activeKeepPrompts"
-      :keep-heading="keepPromptHeading"
-      @update:open="promptDrawerOpen = $event"
-    />
     <ImageBatchModal
       :open="imageBatchOpen"
       v-model:text="imageBatchDraft"
@@ -2155,6 +2141,7 @@
 </template>
 
 <script setup lang="ts">
+import { composePromptParts, restorePromptParts } from '~/utils/promptParts'
 import { parseEditPasses, looksLikeShotScript } from '~/utils/parseRecommend'
 import { parseImageBatchScript, parseShotScript } from '~/utils/parseShots'
 import type { DirectorScript } from '~/utils/directorScripts'
@@ -2296,6 +2283,8 @@ interface LibraryStill {
   role?: 'input' | 'output'
   name?: string
   prompt?: string
+  promptPre?: string
+  promptPost?: string
   familyId?: string
   parentStillId?: string
   chainIndex?: number
@@ -2333,6 +2322,8 @@ interface LibraryClip {
   permanenceRefs?: PermanenceRef[]
   loraName?: string
   loraStack?: LoraStackItem[]
+  promptPre?: string
+  promptPost?: string
 }
 
 interface RetryDraft {
@@ -2343,6 +2334,8 @@ interface RetryDraft {
   stillFilename?: string
   name?: string
   prompt: string
+  promptPre?: string
+  promptPost?: string
   aspect: string
   width: number
   height: number
@@ -2439,7 +2432,10 @@ const inputStillRenameEl = ref<HTMLInputElement | null>(null)
 const preview = ref('')
 const dragging = ref(false)
 const prompt = ref('')
-const promptDrawerOpen = ref(false)
+const promptPre = ref('')
+const promptPost = ref('')
+const backupBusyId = ref('')
+const backupStudioEnabled = computed(() => Boolean(runtimeConfig.public.backupStudioEnabled))
 const shotScriptMode = ref(false)
 const directorScripts = ref<DirectorScript[]>([])
 const directorScriptId = ref('')
@@ -2983,7 +2979,7 @@ const canUseGeneratedStill = computed(() => Boolean(
 ))
 const videoBlockReason = computed(() => {
   if (!textToVideo.value && !hasInputStill.value) return 'Load a still first. Image-to-video needs an input still.'
-  if (!prompt.value.trim()) return 'Write a motion prompt first.'
+  if (![promptPre.value, prompt.value, promptPost.value].some(part => part.trim())) return 'Write a motion prompt first.'
   if (!folderId.value) return 'Choose a library folder before generating.'
   if (!queueReady.value) {
     return shotScriptMode.value ? 'Each shot in the script needs a prompt.' : 'Each queued extension needs a prompt.'
@@ -3135,7 +3131,7 @@ const extraIdentityPictures = computed(() => identityRefs.value.flatMap((item, i
 function composedShotPreview(text: string, index: number, shotN?: number) {
   const composed = composeShotPrompt({
     globalLocks: globalLocks.value,
-    prompt: text,
+    prompt: composePromptParts(promptPre.value, text, promptPost.value),
     shotIndex: index,
     familyRefs: familyPermanenceRefs.value,
     shotRefs: shotPermanenceRefs.value[shotN ?? index + 1]
@@ -4095,6 +4091,21 @@ function insertKeepPrompt(item: KeepPrompt) {
   prompt.value = insertKeepSnippet(prompt.value, item.text)
 }
 
+function applyPromptRestore(saved: string, stored?: { prompt?: string; promptPre?: string; promptPost?: string } | null) {
+  const parts = restorePromptParts(saved, {
+    pre: stored?.promptPre,
+    prompt: stored?.prompt ?? saved,
+    post: stored?.promptPost
+  }, {
+    pre: promptPre.value,
+    prompt: prompt.value,
+    post: promptPost.value
+  })
+  promptPre.value = parts.pre
+  prompt.value = parts.prompt
+  promptPost.value = parts.post
+}
+
 function insertKeepExtend(item: KeepPrompt) {
   extendPrompt.value = insertKeepSnippet(extendPrompt.value, item.text)
 }
@@ -4118,11 +4129,9 @@ function insertLoraTrigger(phrase: string, target: 'main' | 'extend' | { shot: n
   }
   if (typeof target === 'object' && 'shot' in target) {
     prompt.value = insertActivationInShotScript(prompt.value, target.shot, token)
-    promptDrawerOpen.value = true
     return
   }
   prompt.value = insertActivationPhrase(prompt.value, token)
-  promptDrawerOpen.value = true
 }
 
 function setShotLoraStack(shotN: number, stack: LoraStackItem[]) {
@@ -4680,6 +4689,8 @@ function resetImage() {
 function clearVideoForm() {
   resetImage()
   prompt.value = ''
+  promptPre.value = ''
+  promptPost.value = ''
   clipName.value = ''
   extensionQueue.value = []
   shotScriptMode.value = false
@@ -5115,6 +5126,8 @@ async function restoreStudioJob(id: string) {
       referenceStillIds?: Array<string | null>
       extensions?: { prompt: string; duration: number; permanenceRefs?: PermanenceRef[]; loraName?: string; loraStack?: LoraStackItem[] }[]
       queueAutoRun?: boolean
+      promptPre?: string
+      promptPost?: string
       globalLocks?: string
       permanenceRefs?: PermanenceRef[]
       shotPermanenceRefs?: PermanenceRef[][]
@@ -5131,9 +5144,9 @@ async function restoreStudioJob(id: string) {
   closeExtend()
   const extensions = payload.extensions || []
   applyVideoWorkflow(payload.workflow)
-  prompt.value = extensions.length
+  applyPromptRestore(extensions.length
     ? [payload.prompt.trim(), ...extensions.map((item, index) => `shot ${index + 2}\n${item.prompt.trim()}`)].join('\n\n')
-    : (payload.prompt || '')
+    : (payload.prompt || ''), payload)
   clipName.value = payload.name || ''
   seedInput.value = String(payload.seed || '')
   restoreAdvanced({
@@ -5516,7 +5529,7 @@ async function rerun(item: LibraryClip, collection = false) {
   const parts = familyPartsFor(item)
   const target = collection ? parts[0] || item : item
   const restoreAll = collection && parts.length > 1
-  prompt.value = restoreAll ? familyScript(parts) : target.prompt
+  applyPromptRestore(restoreAll ? familyScript(parts) : target.prompt, target)
   clipName.value = restoreAll
     ? (familyBaseName(collectionTitle({ head: target, parts })) || target.name || '')
     : (target.name || '')
@@ -5574,7 +5587,7 @@ async function rerun(item: LibraryClip, collection = false) {
 
 async function loadDraft(draft: RetryDraft) {
   activeDraftId = draft.id
-  prompt.value = draft.prompt
+  applyPromptRestore(draft.prompt, draft)
   clipName.value = draft.name || ''
   seedInput.value = String(draft.seed)
   restoreAdvanced(draft)
@@ -5711,6 +5724,7 @@ async function openExtend(item?: LibraryClip) {
   }
   currentClipId.value = id
   const clip = clips.value.find(entry => entry.id === id)
+  if (clip) applyPromptRestore(clip.prompt, clip)
   extendPrompt.value = clip?.prompt || prompt.value
   extendDuration.value = clampDuration(duration.value)
   extendLoraStack.value = readLoraStack(clip)
@@ -5750,6 +5764,8 @@ async function generateExtension() {
       body: {
         clipId: id,
         prompt: extendPrompt.value.trim(),
+        promptPre: promptPre.value.trim() || undefined,
+        promptPost: promptPost.value.trim() || undefined,
         duration: extendDuration.value,
         loraStack: extendLoraStack.value
       }
@@ -5812,7 +5828,7 @@ function applyStillSettings(still: LibraryStill) {
   const settings = still.settings
   folderId.value = still.folderId
   browseFolderId.value = still.folderId
-  if (still.prompt) prompt.value = still.prompt
+  if (still.prompt || still.promptPre || still.promptPost) applyPromptRestore(still.prompt || '', still)
   if (dest === 'imagev2') {
     studioMode.value = 'editv2'
     outputFocus.value = 'edit'
@@ -5889,6 +5905,19 @@ function stillUseAsInputMessage(still: LibraryStill) {
   return 'Loaded as input. It stays in Output, not the upload library.'
 }
 
+async function sendStillToBackup(still: Pick<LibraryStill, 'id'>) {
+  if (!backupStudioEnabled.value || backupBusyId.value) return
+  backupBusyId.value = still.id
+  try {
+    await $fetch(`/api/library/stills/${still.id}/backup`, { method: 'POST' })
+    toast('Sent to Backup as a hidden input.')
+  } catch (error: any) {
+    toast(error?.data?.statusMessage || 'Could not send that still to Backup')
+  } finally {
+    backupBusyId.value = ''
+  }
+}
+
 async function saveStillAsInput(still: Pick<LibraryStill, 'id'>) {
   if (keepingInputBusy.value) return
   keepingInputBusy.value = true
@@ -6470,6 +6499,8 @@ async function editImage() {
     body.append('image', file.value)
     if (editRefFile.value) body.append('image2', editRefFile.value)
     body.append('prompt', prompt.value.trim())
+    if (promptPre.value.trim()) body.append('promptPre', promptPre.value.trim())
+    if (promptPost.value.trim()) body.append('promptPost', promptPost.value.trim())
     body.append('aspect', aspect.value)
     body.append('negative', editNegative.value)
     body.append('steps', String(clampImageSteps(editSteps.value)))
@@ -6707,6 +6738,8 @@ async function editImageV2() {
     body.append('aspect', aspect.value)
     body.append('engine', v2Engine.value)
     body.append('prompt', prompt.value.trim())
+    if (promptPre.value.trim()) body.append('promptPre', promptPre.value.trim())
+    if (promptPost.value.trim()) body.append('promptPost', promptPost.value.trim())
     body.append('negative', v2Negative.value)
     body.append('snofs_model', String(imageV2EngineLoras().find(item => isImageV2ConceptLora(item.name))?.strengthModel ?? 0))
     body.append('snofs_clip', String(imageV2EngineLoras().find(item => isImageV2ConceptLora(item.name))?.strengthClip ?? 0))
@@ -6909,6 +6942,8 @@ async function generate() {
     if (file.value) body.append('image', file.value)
     if (inputStillId.value) body.append('stillId', inputStillId.value)
     body.append('prompt', initialPrompt)
+    if (promptPre.value.trim()) body.append('promptPre', promptPre.value.trim())
+    if (promptPost.value.trim()) body.append('promptPost', promptPost.value.trim())
     body.append('aspect', aspect.value)
     body.append('width', String(outputSize.value.width))
     body.append('height', String(outputSize.value.height))

pages/library.vue

@@ -271,6 +271,13 @@
               :disabled="keepingInputBusy"
               @click="saveFocusedAsInput"
             >{{ keepingInputBusy ? 'Saving…' : 'Save as input' }}</button>
+            <button
+              v-if="focused.kind === 'still' && backupStudioEnabled"
+              type="button"
+              class="rounded-full border border-white/10 px-3 py-1.5 text-xs text-zinc-300 hover:text-white"
+              :disabled="backupBusy"
+              @click="sendFocusedToBackup"
+            >{{ backupBusy ? 'Sending…' : 'Send to Backup on AIGen only' }}</button>
             <a
               v-if="downloadHref"
               :href="downloadHref"
@@ -375,6 +382,8 @@ const filterOptions = [
 
 const runtimeConfig = useRuntimeConfig()
 const instanceName = ref(String(runtimeConfig.public.instanceName || 'AIGen'))
+const backupStudioEnabled = computed(() => Boolean(runtimeConfig.public.backupStudioEnabled))
+const backupBusy = ref(false)
 const showPrivacyToggles = computed(() => isXaigenStudio({
   studio: runtimeConfig.public.studio,
   instanceName: runtimeConfig.public.instanceName || instanceName.value
@@ -762,6 +771,20 @@ function useInStudio(entry: LibraryEntry) {
   }
 }
 
+async function sendFocusedToBackup() {
+  const still = focusedStill.value
+  if (!still || !backupStudioEnabled.value || backupBusy.value) return
+  backupBusy.value = true
+  try {
+    await $fetch(`/api/library/stills/${still.id}/backup`, { method: 'POST' })
+    toast('Sent to Backup as a hidden input.')
+  } catch (error: any) {
+    toast(error?.data?.statusMessage || 'Could not send that still to Backup')
+  } finally {
+    backupBusy.value = false
+  }
+}
+
 async function saveFocusedAsInput() {
   const still = focusedStill.value
   if (!still || keepingInputBusy.value) return

server/api/edit.post.ts

@@ -34,6 +34,8 @@ export default defineEventHandler(async (event) => {
   }
 
   const prompt = (fields.prompt || '').trim()
+  const promptPre = (fields.promptPre || '').trim()
+  const promptPost = (fields.promptPost || '').trim()
   const extraPasses = parsePasses(fields.passes)
   const passMode = parseImagePassMode(fields.passMode)
   const aspect = parseImageAspect(fields.aspect)
@@ -127,6 +129,8 @@ export default defineEventHandler(async (event) => {
     kind: 'edit',
     payload: {
       prompt,
+      promptPre: promptPre || undefined,
+      promptPost: promptPost || undefined,
       name: clipName,
       folderId,
       aspect,

server/api/extend.post.ts

@@ -1,6 +1,7 @@
 import { copyFileSync, existsSync, readFileSync } from 'node:fs'
 import { join } from 'node:path'
 import { composeShotPrompt } from '~/utils/globalLocks'
+import { composePromptParts } from '~/utils/promptParts'
 import { parsePostedLoraStack, listStudioLoras, persistLoraFields, ensureComfyLoraNames } from '~/server/utils/loras'
 import { readLoraStack } from '~/utils/loras'
 import { clampVideoCfg } from '~/utils/generationPresets'
@@ -39,7 +40,7 @@ function parseScheduler(raw: unknown) {
 }
 
 export default defineEventHandler(async (event) => {
-  const body = await readBody<{ clipId?: string; prompt?: string; duration?: number; lora?: unknown; loraStack?: unknown }>(event).catch(() => ({}))
+  const body = await readBody<{ clipId?: string; prompt?: string; promptPre?: string; promptPost?: string; duration?: number; lora?: unknown; loraStack?: unknown }>(event).catch(() => ({}))
   const clipId = String(body?.clipId || '').trim()
   const prompt = String(body?.prompt || '').trim()
   if (!clipId) {
@@ -60,9 +61,11 @@ export default defineEventHandler(async (event) => {
   const destFolder = publicLibrary(event).folders.find(folder => folder.id === source.folderId)
   const folderLocked = Boolean(destFolder?.protected && !destFolder.unlocked)
   const durationSeconds = parseExtendDuration(body?.duration)
+  const promptPre = String(body?.promptPre ?? source.promptPre ?? '').trim()
+  const promptPost = String(body?.promptPost ?? source.promptPost ?? '').trim()
   const composedPrompt = composeShotPrompt({
     globalLocks: source.globalLocks,
-    prompt,
+    prompt: composePromptParts(promptPre, prompt, promptPost),
     shotIndex: (source.chainIndex || 0) + 1,
     familyRefs: source.permanenceRefs
   })
@@ -99,7 +102,10 @@ export default defineEventHandler(async (event) => {
     hideThumbnail: source.hideThumbnail,
     folderLocked,
     name: clipName,
-    prompt: composedPrompt,
+    prompt,
+    promptMid: prompt,
+    promptPre: promptPre || undefined,
+    promptPost: promptPost || undefined,
     aspect: source.aspect || '16:9',
     width,
     height,

server/api/generate.post.ts

@@ -5,6 +5,7 @@ import type { LoraStackItem } from '~/utils/loras'
 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 } from '~/utils/promptParts'
 
 function parseDuration(raw: unknown) {
   const seconds = Number(raw)
@@ -137,11 +138,13 @@ export default defineEventHandler(async (event) => {
   if (!image && !textToVideo) {
     throw createError({ statusCode: 400, statusMessage: 'An initial image is required' })
   }
-  const promptRaw = (fields.prompt || '').trim()
-  if (!promptRaw) {
+  const promptMid = (fields.prompt || '').trim()
+  const promptPre = (fields.promptPre || '').trim()
+  const promptPost = (fields.promptPost || '').trim()
+  if (!composePromptParts(promptPre, promptMid, promptPost)) {
     throw createError({ statusCode: 400, statusMessage: 'A motion prompt is required' })
   }
-  const resolvedLocks = resolveGlobalLocks(fields.globalLocks || '', promptRaw)
+  const resolvedLocks = resolveGlobalLocks(fields.globalLocks || '', promptMid)
   const prompt = resolvedLocks.prompt
   const globalLocks = resolvedLocks.locks
   const extensions = parseExtensions(fields.extensions)
@@ -243,6 +246,9 @@ export default defineEventHandler(async (event) => {
     familyId,
     payload: {
       prompt,
+      promptMid: promptMid || undefined,
+      promptPre: promptPre || undefined,
+      promptPost: promptPost || undefined,
       name: clipName,
       folderId,
       aspect: fields.aspect || 'auto',

server/api/library/backup-ingest.post.ts

@@ -0,0 +1,48 @@
+import { passwordAuthEnabled, privateInstanceId } from '~/server/utils/localAuth'
+import { saveStill } from '~/server/utils/library'
+
+function ingestOwner() {
+  if (passwordAuthEnabled()) return privateInstanceId()
+  return 'local'
+}
+
+function assertIngestToken(event: Parameters<typeof getHeader>[0]) {
+  const expected = String(useRuntimeConfig().backupIngestToken || process.env.BACKUP_INGEST_TOKEN || '').trim()
+  if (!expected) {
+    throw createError({ statusCode: 503, statusMessage: 'Backup ingest is not configured' })
+  }
+  const header = String(getHeader(event, 'authorization') || '')
+  if (header !== `Bearer ${expected}`) {
+    throw createError({ statusCode: 401, statusMessage: 'Unauthorized' })
+  }
+}
+
+export default defineEventHandler(async (event) => {
+  assertIngestToken(event)
+  const form = await readMultipartFormData(event)
+  if (!form?.length) throw createError({ statusCode: 400, statusMessage: 'Expected an image upload' })
+  const fields: Record<string, string> = {}
+  let image: { filename: string; data: Buffer } | null = null
+  for (const part of form) {
+    if (part.name === 'image' && part.filename && part.data?.length) {
+      image = { filename: part.filename, data: part.data }
+    } else if (part.name && part.data) {
+      fields[part.name] = part.data.toString('utf8')
+    }
+  }
+  if (!image) throw createError({ statusCode: 400, statusMessage: 'An image is required' })
+  const owner = ingestOwner()
+  const still = await saveStill({
+    ownerKey: owner,
+    folderId: 'inbox',
+    filename: image.filename,
+    data: image.data,
+    width: Number(fields.width || 0),
+    height: Number(fields.height || 0),
+    hideInput: true,
+    role: 'input',
+    name: (fields.name || '').trim().slice(0, 80) || undefined
+  })
+  if (!still) throw createError({ statusCode: 400, statusMessage: 'Backup studio already has that still' })
+  return { ok: true, id: still.id }
+})

server/api/library/stills/[id]/backup.post.ts

@@ -0,0 +1,38 @@
+import { readFileSync } from 'node:fs'
+import { isXaigenStudio } from '~/utils/videoModels'
+import { assertLibraryOwner, getStill, stillPath } from '~/server/utils/library'
+
+export default defineEventHandler(async (event) => {
+  if (isXaigenStudio()) {
+    throw createError({ statusCode: 404, statusMessage: 'Not found' })
+  }
+  const config = useRuntimeConfig()
+  const url = String(config.backupStudioUrl || process.env.BACKUP_STUDIO_URL || '').replace(/\/$/, '')
+  const token = String(config.backupStudioToken || process.env.BACKUP_STUDIO_TOKEN || '').trim()
+  if (!url || !token) {
+    throw createError({ statusCode: 503, statusMessage: 'Backup studio is not configured' })
+  }
+  const { owner } = assertLibraryOwner(event)
+  const id = String(getRouterParam(event, 'id') || '')
+  const still = getStill(owner, id)
+  const path = stillPath(owner, still.id)
+  const data = readFileSync(path)
+  const body = new FormData()
+  body.append('image', new Blob([Uint8Array.from(data)]), still.filename || 'still.png')
+  body.append('name', still.name || still.filename || 'still')
+  body.append('width', String(still.width || 0))
+  body.append('height', String(still.height || 0))
+  const res = await fetch(`${url}/api/library/backup-ingest`, {
+    method: 'POST',
+    headers: { Authorization: `Bearer ${token}` },
+    body
+  })
+  if (!res.ok) {
+    const message = await res.text().catch(() => '')
+    throw createError({
+      statusCode: res.status === 401 ? 502 : res.status,
+      statusMessage: message || 'Backup studio refused the still'
+    })
+  }
+  return { ok: true }
+})

server/api/v2/generate.post.ts

@@ -136,6 +136,8 @@ export default defineEventHandler(async (event) => {
     mode === 'generate' ? 't2i' : mode === 'refine' ? 'refine' : 'scene'
   )
   const prompt = String(fields.prompt || '').trim()
+  const promptPre = String(fields.promptPre || '').trim()
+  const promptPost = String(fields.promptPost || '').trim()
   const extraPasses = parsePasses(fields.passes)
   const passMode = parseImagePassMode(fields.passMode)
   const aspect = parseImageAspect(fields.aspect)
@@ -305,6 +307,8 @@ export default defineEventHandler(async (event) => {
     kind: 'edit',
     payload: {
       prompt,
+      promptPre: promptPre || undefined,
+      promptPost: promptPost || undefined,
       name: clipName,
       folderId,
       aspect: mode === 'generate' ? generateSize.aspect : aspect,

server/utils/imageChain.ts

@@ -8,6 +8,7 @@ import { imageDimensions } from '~/server/utils/resolution'
 import { emitChainJob } from '~/server/utils/watch'
 import { saveStill, stillChainName } from '~/server/utils/library'
 import { comfyJobPrefix } from '~/utils/outputNames'
+import { composePromptParts } from '~/utils/promptParts'
 
 export type EditImageFile = { filename: string; data: Buffer; type?: string }
 
@@ -66,7 +67,8 @@ export async function runEdit(job: Job, params: EditRunParams) {
       for (let index = 0; index < prompts.length; index++) {
         if (job.status === 'cancelled') throw new Error('Job interrupted.')
         if (index > 0 && library.stopAfterCurrent === true) break
-        const prompt = (batch || index === 0) ? composeFillPrompt(prompts[index], filled.padded) : prompts[index]
+        const mid = (batch || index === 0) ? composeFillPrompt(prompts[index], filled.padded) : prompts[index]
+        const prompt = composePromptParts(library.promptPre || '', mid, library.promptPost || '')
         const last = index === prompts.length - 1
         if (index > 0) {
           await ensureComfyReady((status) => {
@@ -79,7 +81,7 @@ export async function runEdit(job: Job, params: EditRunParams) {
           }, { skipBusyWait: true })
         }
         const seed = index === 0 ? params.seed : Math.floor(Math.random() * 2_147_483_647)
-        library.prompt = prompt
+        library.prompt = mid
         library.seed = seed
         library.chainIndex = index
         library.chainStep = index + 1
@@ -164,7 +166,9 @@ export async function runEdit(job: Job, params: EditRunParams) {
           hideInput: job.hideThumbnail === true,
           role: 'output',
           name: passName || undefined,
-          prompt,
+          prompt: mid,
+          promptPre: library.promptPre,
+          promptPost: library.promptPost,
           familyId: library.familyId,
           parentStillId: batch ? library.stillId : parentStillId,
           chainIndex: index,

server/utils/imageChainV2.ts

@@ -8,6 +8,7 @@ import { imageDimensions } from '~/server/utils/resolution'
 import { emitChainJob } from '~/server/utils/watch'
 import { saveStill, stillChainName } from '~/server/utils/library'
 import { comfyJobPrefix } from '~/utils/outputNames'
+import { composePromptParts } from '~/utils/promptParts'
 import { parseImageV2Engine, type ImageV2Engine, type ImageV2Mode, type ImageV2Task } from '~/utils/imageV2'
 import type { EditImageFile } from '~/server/utils/imageChain'
 
@@ -194,7 +195,7 @@ export async function runEditV2(job: Job, params: EditV2RunParams) {
           mode: params.mode,
           engine,
           task: params.task,
-          prompt,
+          prompt: composePromptParts(library.promptPre || '', prompt, library.promptPost || ''),
           negative: params.negative,
           imageAName: uploaded?.name,
           imageBName: uploadedRef?.name,
@@ -264,6 +265,8 @@ export async function runEditV2(job: Job, params: EditV2RunParams) {
           role: 'output',
           name: passName || undefined,
           prompt,
+          promptPre: library.promptPre,
+          promptPost: library.promptPost,
           familyId: library.familyId,
           parentStillId: batch ? (params.sourceStillId || library.stillId) : parentStillId,
           chainIndex: index,

server/utils/jobs.ts

@@ -53,6 +53,9 @@ export interface Job {
     folderLocked?: boolean
     name?: string
     prompt: string
+    promptMid?: string
+    promptPre?: string
+    promptPost?: string
     aspect: string
     width: number
     height: number

server/utils/library.ts

@@ -58,6 +58,8 @@ export interface LibraryClip {
   permanenceRefs?: PermanenceRef[]
   loraName?: string
   loraStack?: import('~/utils/loras').LoraStackItem[]
+  promptPre?: string
+  promptPost?: string
 }
 
 export type StillRole = 'input' | 'output'
@@ -74,6 +76,8 @@ export interface LibraryStill {
   role: StillRole
   name?: string
   prompt?: string
+  promptPre?: string
+  promptPost?: string
   familyId?: string
   parentStillId?: string
   chainIndex?: number
@@ -220,6 +224,8 @@ function normalizeStill(still: LibraryStill): LibraryStill {
     role: stillRole(still),
     name: still.name,
     prompt: still.prompt,
+    promptPre: still.promptPre,
+    promptPost: still.promptPost,
     familyId: still.familyId,
     parentStillId: still.parentStillId,
     chainIndex: still.chainIndex,
@@ -1210,6 +1216,8 @@ export async function saveStill(params: {
   role?: StillRole
   name?: string
   prompt?: string
+  promptPre?: string
+  promptPost?: string
   familyId?: string
   parentStillId?: string
   chainIndex?: number
@@ -1238,6 +1246,8 @@ export async function saveStill(params: {
         item.role = role
         if (name) item.name = name
         if (prompt) item.prompt = prompt
+        if (params.promptPre != null) item.promptPre = params.promptPre || undefined
+        if (params.promptPost != null) item.promptPost = params.promptPost || undefined
         if (params.familyId) item.familyId = params.familyId
         if (params.parentStillId) item.parentStillId = params.parentStillId
         if (typeof params.chainIndex === 'number') item.chainIndex = params.chainIndex
@@ -1247,6 +1257,8 @@ export async function saveStill(params: {
       existing.role = role
       if (name) existing.name = name
       if (prompt) existing.prompt = prompt
+      if (params.promptPre != null) existing.promptPre = params.promptPre || undefined
+      if (params.promptPost != null) existing.promptPost = params.promptPost || undefined
       if (nextSettings) existing.settings = nextSettings
     }
     return existing
@@ -1266,6 +1278,8 @@ export async function saveStill(params: {
     role,
     name: params.name?.trim().slice(0, 80) || undefined,
     prompt: params.prompt || undefined,
+    promptPre: params.promptPre || undefined,
+    promptPost: params.promptPost || undefined,
     familyId: params.familyId,
     parentStillId: params.parentStillId,
     chainIndex: params.chainIndex,
@@ -1554,6 +1568,8 @@ export async function saveClip(params: {
   permanenceRefs?: PermanenceRef[]
   loraName?: string
   loraStack?: import('~/utils/loras').LoraStackItem[]
+  promptPre?: string
+  promptPost?: string
   segmentFirstFrame?: Buffer
 }) {
   const catalog = readCatalog(params.ownerKey)
@@ -1587,7 +1603,9 @@ export async function saveClip(params: {
     globalLocks: params.globalLocks,
     permanenceRefs: params.permanenceRefs?.length ? normalizePermanenceRefs(params.permanenceRefs) : undefined,
     loraName: params.loraName || undefined,
-    loraStack: params.loraStack?.length ? params.loraStack : undefined
+    loraStack: params.loraStack?.length ? params.loraStack : undefined,
+    promptPre: params.promptPre || undefined,
+    promptPost: params.promptPost || undefined
   }
   mkdirSync(clipDir(params.ownerKey, clip.id), { recursive: true })
   const videoPath = clipVideoPath(params.ownerKey, clip.id)

server/utils/pending.ts

@@ -14,6 +14,8 @@ export interface PendingJob {
   folderLocked?: boolean
   name?: string
   prompt: string
+  promptPre?: string
+  promptPost?: string
   aspect: string
   width: number
   height: number
@@ -107,6 +109,8 @@ export function pendingFromJob(job: Job, overrides: Partial<PendingJob> = {}): P
     folderLocked: library.folderLocked,
     name: library.name,
     prompt: library.prompt,
+    promptPre: library.promptPre,
+    promptPost: library.promptPost,
     aspect: library.aspect,
     width: library.width,
     height: library.height,
@@ -164,6 +168,8 @@ export function libraryFromPending(pending: PendingJob): NonNullable<Job['librar
     folderLocked: pending.folderLocked,
     name: pending.name,
     prompt: pending.prompt,
+    promptPre: pending.promptPre,
+    promptPost: pending.promptPost,
     aspect: pending.aspect,
     width: pending.width,
     height: pending.height,
@@ -313,6 +319,8 @@ export async function completePendingIfReady(pending: PendingJob) {
     folderId: pending.folderId,
     name: pending.name,
     prompt: pending.prompt,
+    promptPre: pending.promptPre,
+    promptPost: pending.promptPost,
     aspect: pending.aspect,
     width: pending.width,
     height: pending.height,

server/utils/studioQueue.ts

@@ -14,6 +14,9 @@ export type StudioJobKind = 'video' | 'edit'
 
 export interface StudioJobPayload {
   prompt: string
+  promptMid?: string
+  promptPre?: string
+  promptPost?: string
   name: string
   folderId: string
   aspect: string
@@ -942,6 +945,9 @@ export async function startStudioJob(item: StudioJob) {
     folderLocked: payload.folderLocked,
     name: payload.name,
     prompt: payload.prompt,
+    promptMid: payload.promptMid,
+    promptPre: payload.promptPre,
+    promptPost: payload.promptPost,
     aspect: payload.aspect,
     width: payload.width,
     height: payload.height,

server/utils/videoChain.ts

@@ -22,6 +22,7 @@ import {
   updateShotQueue
 } from '~/server/utils/shotQueue'
 import { composeShotPrompt, allowIdentityRefs, type PermanenceRef } from '~/utils/globalLocks'
+import { composePromptParts } from '~/utils/promptParts'
 import { persistLoraFields, ensureComfyLoraNames } from '~/server/utils/loras'
 import { readLoraStack, resolveLoraStack } from '~/utils/loras'
 import type { LoraStackItem } from '~/utils/loras'
@@ -186,7 +187,7 @@ export async function queueMiniMax(
   const shotIndex = job.library?.chainIndex || 0
   const composedPrompt = composeShotPrompt({
     globalLocks: job.library?.globalLocks || params.globalLocks,
-    prompt: params.prompt,
+    prompt: composePromptParts(job.library?.promptPre || '', params.prompt, job.library?.promptPost || ''),
     shotIndex,
     familyRefs: job.library?.permanenceRefs || params.permanenceRefs,
     shotRefs: job.library?.shotPermanenceRefs?.[shotIndex] || params.shotPermanenceRefs?.[shotIndex]

server/utils/watch.ts

@@ -216,7 +216,9 @@ export function watchComfyJob(job: Job, options: { persist?: boolean } = {}): Pr
               ownerKey: job.library.ownerKey,
               folderId: job.library.folderId,
               name: job.library.name,
-              prompt: job.library.prompt,
+              prompt: job.library.promptMid || job.library.prompt,
+              promptPre: job.library.promptPre,
+              promptPost: job.library.promptPost,
               aspect: job.library.aspect,
               width: job.library.width,
               height: job.library.height,

utils/promptParts.ts

@@ -0,0 +1,42 @@
+export type PromptParts = {
+  pre: string
+  prompt: string
+  post: string
+}
+
+export function sanitizePromptPart(raw: unknown) {
+  return String(raw || '').replace(/\r\n/g, '\n').replace(/\r/g, '')
+}
+
+export function composePromptParts(pre: string, prompt: string, post: string) {
+  return [pre, prompt, post]
+    .map(part => sanitizePromptPart(part).trim())
+    .filter(Boolean)
+    .join('\n\n')
+}
+
+export function applyPromptParts(parts: PromptParts, middle: string) {
+  return composePromptParts(parts.pre, middle, parts.post)
+}
+
+export function restorePromptParts(saved: string, stored?: Partial<PromptParts> | null, current?: Partial<PromptParts> | null): PromptParts {
+  const pre = sanitizePromptPart(stored?.pre ?? '').trim()
+  const post = sanitizePromptPart(stored?.post ?? '').trim()
+  if (pre || post) {
+    return {
+      pre,
+      prompt: sanitizePromptPart(stored?.prompt ?? saved).trim() || sanitizePromptPart(saved).trim(),
+      post
+    }
+  }
+  let mid = sanitizePromptPart(stored?.prompt ?? saved)
+  const curPre = sanitizePromptPart(current?.pre || '').trim()
+  const curPost = sanitizePromptPart(current?.post || '').trim()
+  if (curPre && mid.startsWith(curPre)) mid = mid.slice(curPre.length).replace(/^\n+/, '')
+  if (curPost && mid.endsWith(curPost)) mid = mid.slice(0, Math.max(0, mid.length - curPost.length)).replace(/\n+$/, '')
+  return {
+    pre: current?.pre || '',
+    prompt: mid.trim(),
+    post: current?.post || ''
+  }
+}