Add MiniMax and PinkCherry LTX as pickable video engines, with still or text start.

Shot 1 can run text-to-video; later shots still extend from the last frame. Recommend output is also normalized into shot-script cards.

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

pages/index.vue

@@ -6,7 +6,7 @@
           <div class="flex h-10 w-10 items-center justify-center rounded-xl bg-amber-400 text-zinc-950 font-display font-extrabold">A</div>
           <div>
             <h1 class="font-display text-xl font-bold leading-none">{{ instanceName }}</h1>
-            <p class="text-[11px] uppercase tracking-[0.22em] text-zinc-500">MiniMax H3 · Flux.2 Klein</p>
+            <p class="text-[11px] uppercase tracking-[0.22em] text-zinc-500">MiniMax H3 · LTX-2.3 · Flux.2 Klein</p>
           </div>
         </div>
         <div class="flex items-center gap-3 text-sm">
@@ -80,8 +80,8 @@
             <button type="button" class="relative mt-3 rounded-full bg-zinc-950/80 px-3 py-1 text-xs" @click.stop="resetImage">Reset</button>
           </div>
           <div v-else class="flex min-h-44 flex-col items-center justify-center text-center">
-            <p class="font-medium">{{ studioMode === 'edit' ? 'Image 1' : 'Choose an image' }}</p>
-            <p class="mt-1 text-sm text-zinc-500">Browse the library or upload a new PNG, JPG, or WEBP</p>
+            <p class="font-medium">{{ studioMode === 'edit' ? 'Image 1' : (textToVideo ? 'Start still · optional' : 'Choose an image') }}</p>
+            <p class="mt-1 text-sm text-zinc-500">{{ textToVideo ? 'Text-to-video does not need a still. Shot 2+ will still extend from the last frame.' : 'Browse the library or upload a new PNG, JPG, or WEBP' }}</p>
           </div>
         </div>
 
@@ -183,6 +183,16 @@
             <p class="text-xs font-medium uppercase tracking-wide text-amber-200/80">Recommended prompt</p>
             <p v-if="recommendBusy" class="mt-2 text-sm text-zinc-400">{{ recommendMessage || 'Sidecar Qwen VL is reading the still…' }}</p>
             <p v-else-if="recommendError" class="mt-2 text-sm text-red-300">{{ recommendError }}</p>
+            <div v-else-if="recommendedShots.length > 1" class="mt-2 space-y-2">
+              <div
+                v-for="shot in recommendedShots"
+                :key="shot.n"
+                class="rounded-xl border border-amber-300/15 bg-zinc-950/50 px-3 py-2"
+              >
+                <p class="text-[11px] font-medium uppercase tracking-wide text-amber-200/80">shot {{ shot.n }}</p>
+                <p class="mt-1 whitespace-pre-wrap text-sm text-zinc-200">{{ shot.prompt }}</p>
+              </div>
+            </div>
             <p v-else class="mt-2 whitespace-pre-wrap text-sm text-zinc-200">{{ recommendText }}</p>
             <div v-if="recommendText && !recommendBusy" class="mt-3 flex flex-wrap gap-2">
               <button
@@ -343,7 +353,7 @@
                 <span class="absolute left-0.5 top-0.5 h-5 w-5 rounded-full bg-white transition peer-checked:translate-x-5" />
               </span>
             </label>
-            <label v-if="studioMode === 'video'" class="flex cursor-pointer items-center justify-between gap-3 rounded-2xl border border-white/10 bg-zinc-950/40 px-4 py-3 text-sm">
+            <label v-if="studioMode === 'video' && !ltxVideo" class="flex cursor-pointer items-center justify-between gap-3 rounded-2xl border border-white/10 bg-zinc-950/40 px-4 py-3 text-sm">
               <span>
                 <span class="block font-medium text-zinc-200">Generate sound</span>
                 <span class="mt-0.5 block text-xs text-zinc-500">Off skips the audio VAE so Comfy encodes a silent clip.</span>
@@ -371,13 +381,60 @@
 
         <div v-if="studioMode === 'video'" class="space-y-3">
           <div>
+            <p class="mb-2 text-xs uppercase tracking-wider text-zinc-500">Video model</p>
+            <div class="grid grid-cols-2 gap-2">
+              <button
+                type="button"
+                class="rounded-xl border px-3 py-2 text-left text-sm"
+                :class="videoEngine === 'minimax' ? 'border-amber-300 bg-amber-400/10 text-amber-100' : 'border-white/10 hover:border-white/20'"
+                @click="selectVideoEngine('minimax')"
+              >
+                <span class="block font-semibold">MiniMax H3</span>
+                <span class="text-xs text-zinc-400">Native stereo audio. Identity refs on v2.</span>
+              </button>
+              <button
+                type="button"
+                class="rounded-xl border px-3 py-2 text-left text-sm"
+                :class="videoEngine === 'ltx' ? 'border-amber-300 bg-amber-400/10 text-amber-100' : 'border-white/10 hover:border-white/20'"
+                @click="selectVideoEngine('ltx')"
+              >
+                <span class="block font-semibold">LTX-2.3 PinkCherry</span>
+                <span class="text-xs text-zinc-400">PinkCherry + distilled LoRA. I2V and T2V.</span>
+              </button>
+            </div>
+          </div>
+          <div>
+            <p class="mb-2 text-xs uppercase tracking-wider text-zinc-500">Start from</p>
+            <div class="grid grid-cols-2 gap-2">
+              <button
+                type="button"
+                class="rounded-xl border px-3 py-2 text-left text-sm"
+                :class="videoStart === 'still' ? 'border-amber-300 bg-amber-400/10 text-amber-100' : 'border-white/10 hover:border-white/20'"
+                @click="videoStart = 'still'"
+              >
+                <span class="block font-semibold">A still</span>
+                <span class="text-xs text-zinc-400">Image to video. Extensions use the last frame.</span>
+              </button>
+              <button
+                type="button"
+                class="rounded-xl border px-3 py-2 text-left text-sm"
+                :class="videoStart === 'text' ? 'border-amber-300 bg-amber-400/10 text-amber-100' : 'border-white/10 hover:border-white/20'"
+                @click="videoStart = 'text'"
+              >
+                <span class="block font-semibold">Text only</span>
+                <span class="text-xs text-zinc-400">No start still. Shot 2+ still continues from last frame.</span>
+              </button>
+            </div>
+            <p class="mt-2 text-xs text-zinc-500">{{ videoModelHint }}</p>
+          </div>
+          <div v-if="videoEngine === 'minimax' && videoStart === 'still'">
             <p class="mb-2 text-xs uppercase tracking-wider text-zinc-500">MiniMax graph</p>
             <div class="grid grid-cols-2 gap-2">
               <button
                 type="button"
                 class="rounded-xl border px-3 py-2 text-left text-sm"
-                :class="videoWorkflow === 'v1' ? 'border-amber-300 bg-amber-400/10 text-amber-100' : 'border-white/10 hover:border-white/20'"
-                @click="videoWorkflow = 'v1'"
+                :class="minimaxGraph === 'v1' ? 'border-amber-300 bg-amber-400/10 text-amber-100' : 'border-white/10 hover:border-white/20'"
+                @click="minimaxGraph = 'v1'"
               >
                 <span class="block font-semibold">v1 · validated</span>
                 <span class="text-xs text-zinc-400">First-frame image to video</span>
@@ -385,8 +442,8 @@
               <button
                 type="button"
                 class="rounded-xl border px-3 py-2 text-left text-sm"
-                :class="videoWorkflow === 'v2' ? 'border-amber-300 bg-amber-400/10 text-amber-100' : 'border-white/10 hover:border-white/20'"
-                @click="videoWorkflow = 'v2'"
+                :class="minimaxGraph === 'v2' ? 'border-amber-300 bg-amber-400/10 text-amber-100' : 'border-white/10 hover:border-white/20'"
+                @click="minimaxGraph = 'v2'"
               >
                 <span class="block font-semibold">v2 · identity refs</span>
                 <span class="text-xs text-zinc-400">Optional lock with up to 4 stills</span>
@@ -394,7 +451,7 @@
             </div>
           </div>
 
-          <div v-if="videoWorkflow === 'v2'" class="rounded-2xl border border-white/10 bg-zinc-950/40 px-4 py-3 space-y-3">
+          <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">
             <label class="flex cursor-pointer items-center justify-between gap-3 text-sm">
               <span>
                 <span class="block font-medium text-zinc-200">Use identity references</span>
@@ -466,13 +523,13 @@
                   <span class="text-xs text-zinc-400">{{ option.id === 'auto' ? autoHint : option.hint }}</span>
                 </button>
               </div>
-              <p class="mt-2 text-xs text-zinc-500">Output {{ outputSize.width }} × {{ outputSize.height }}{{ aspect === 'auto' ? ' · matching the still' : '' }}</p>
+              <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">{{ videoWorkflow === 'v2' ? 6 : 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">20 High-Fidelity · LoRA bypass</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 = 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 class="text-sm">
@@ -499,7 +556,7 @@
                   @change="onCfgNumber"
                 >
               </div>
-              <p class="mt-1 text-[11px] text-zinc-500">{{ turbo ? 'Default 1.5 with Turbo LoRA' : 'Default 4.0 with High-Fidelity' }}</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">
@@ -1256,6 +1313,19 @@
 
 <script setup lang="ts">
 import { parseEditPasses, looksLikeShotScript } from '~/utils/parseRecommend'
+import { parseShotScript } from '~/utils/parseShots'
+import {
+  composeVideoWorkflow,
+  isLtxWorkflow,
+  isTextToVideo,
+  minimaxGraphOf,
+  parseVideoWorkflow,
+  videoEngineOf,
+  videoStartOf,
+  type MiniMaxGraphId,
+  type VideoEngineId,
+  type VideoStartId
+} from '~/utils/videoModels'
 
 const runtimeConfig = useRuntimeConfig()
 
@@ -1311,7 +1381,7 @@ interface LibraryClip {
   familyId?: string
   parentClipId?: string
   chainIndex?: number
-  workflow?: 'v1' | 'v2'
+  workflow?: string
   stillId?: string
   sound?: boolean
   hideInput?: boolean
@@ -1340,7 +1410,7 @@ interface RetryDraft {
   samplerName?: string
   scheduler?: string
   extensions?: { prompt: string; duration: number }[]
-  workflow?: 'v1' | 'v2'
+  workflow?: string
 }
 
 interface QueuedExtension {
@@ -1517,7 +1587,12 @@ const pickerSlot = ref<'main' | 'editRef' | number>('main')
 const libraryFilter = ref<'all' | 'images' | 'videos'>('all')
 const selectedKeys = ref<string[]>([])
 const lastSelectedKey = ref('')
-const videoWorkflow = ref('v1')
+const videoEngine = ref<VideoEngineId>('minimax')
+const videoStart = ref<VideoStartId>('still')
+const minimaxGraph = ref<MiniMaxGraphId>('v1')
+const videoWorkflow = computed(() => composeVideoWorkflow(videoEngine.value, videoStart.value, minimaxGraph.value))
+const textToVideo = computed(() => isTextToVideo(videoWorkflow.value))
+const ltxVideo = computed(() => isLtxWorkflow(videoWorkflow.value))
 const useIdentityRefs = ref(false)
 const identityRefs = ref<(File | null)[]>([null, null, null, null])
 const identityPreviews = ref(['', '', '', ''])
@@ -1653,10 +1728,22 @@ const outputSize = computed(() => {
 })
 
 const autoHint = computed(() => {
-  if (!imageWidth.value || !imageHeight.value) return 'Match the still'
+  if (!imageWidth.value || !imageHeight.value) {
+    return textToVideo.value ? '16:9 without a still' : 'Match the still'
+  }
   const size = autoResolution(imageWidth.value, imageHeight.value)
   return `${size.width} × ${size.height} · from still`
 })
+const videoModelHint = computed(() => {
+  if (ltxVideo.value) {
+    return textToVideo.value
+      ? 'PinkCherry text-to-video. Distilled LoRA stays on. Silent MP4 — LTX has no audio VAE here.'
+      : 'PinkCherry image-to-video. Distilled LoRA stays on. Silent MP4 — LTX has no audio VAE here.'
+  }
+  if (textToVideo.value) return 'MiniMax H3 text-to-video with native stereo audio. Shot 2+ switches to last-frame image-to-video.'
+  if (videoWorkflow.value === 'v2') return 'MiniMax H3 image-to-video. Identity refs stay on v2 with a start still.'
+  return 'MiniMax H3 image-to-video with native stereo audio.'
+})
 const frameCount = computed(() => Math.max(5, Math.floor(duration.value * fps.value)))
 const cfgPct = computed(() => ((cfg.value - CFG_MIN) / (CFG_MAX - CFG_MIN)) * 100)
 const currentClip = computed(() => clips.value.find(clip => clip.id === currentClipId.value))
@@ -1671,7 +1758,7 @@ const queueReady = computed(() => {
   return extensionQueue.value.every(item => item.prompt.trim())
 })
 const videoGenerateDisabled = computed(() => {
-  return videoBusy.value || !file.value || !prompt.value.trim() || !folderId.value || !queueReady.value
+  return videoBusy.value || (!textToVideo.value && !file.value) || !prompt.value.trim() || !folderId.value || !queueReady.value
 })
 const recommendDisabled = computed(() => {
   if (recommendBusy.value) return true
@@ -1715,6 +1802,10 @@ const editLabel = computed(() => {
   return n === 1 ? 'Edit image + 1 pass' : `Edit image + ${n} passes`
 })
 const parsedShots = computed(() => parseShotScript(prompt.value))
+const recommendedShots = computed(() => {
+  if (!recommendText.value || recommendBusy.value) return []
+  return parseShotScript(recommendText.value)
+})
 const identityPrompting = computed(() => studioMode.value === 'video' && videoWorkflow.value === 'v2' && useIdentityRefs.value)
 const extraIdentityPictures = computed(() => identityRefs.value.flatMap((item, index) => item ? [index + 2] : []))
 const identityActionPrompt = computed(() => {
@@ -2101,7 +2192,20 @@ onMounted(async () => {
     hideInputPreview.value = localStorage.getItem('aigen-hide-input-preview') === 'true'
     withSound.value = localStorage.getItem('aigen-generate-sound') !== 'false'
     autoplayEnabled.value = localStorage.getItem('aigen-autoplay') === 'true'
-    videoWorkflow.value = localStorage.getItem('aigen-video-workflow') === 'v2' ? 'v2' : 'v1'
+    videoEngine.value = 'minimax'
+    videoStart.value = 'still'
+    minimaxGraph.value = 'v1'
+    try {
+      const saved = parseVideoWorkflow(localStorage.getItem('aigen-video-workflow') || '')
+      videoEngine.value = videoEngineOf(saved)
+      videoStart.value = videoStartOf(saved)
+      minimaxGraph.value = minimaxGraphOf(saved)
+      const engine = localStorage.getItem('aigen-video-engine')
+      const start = localStorage.getItem('aigen-video-start')
+      if (engine === 'ltx' || engine === 'minimax') videoEngine.value = engine
+      if (start === 'text' || start === 'still') videoStart.value = start
+      if (videoEngine.value === 'ltx') applyEngineDefaults('ltx')
+    } catch { /* ignore */ }
     useIdentityRefs.value = localStorage.getItem('aigen-use-identity-refs') === 'true'
     activeQueueId.value = localStorage.getItem(QUEUE_STORE) || ''
     const savedPreset = localStorage.getItem('aigen-prompt-preset')
@@ -2190,6 +2294,18 @@ watch(videoWorkflow, (value) => {
   } catch { /* ignore */ }
 })
 
+watch(videoEngine, (value) => {
+  try {
+    localStorage.setItem('aigen-video-engine', value)
+  } catch { /* ignore */ }
+})
+
+watch(videoStart, (value) => {
+  try {
+    localStorage.setItem('aigen-video-start', value)
+  } catch { /* ignore */ }
+})
+
 watch(useIdentityRefs, (value) => {
   try {
     localStorage.setItem('aigen-use-identity-refs', String(value))
@@ -2197,7 +2313,8 @@ watch(useIdentityRefs, (value) => {
 })
 
 watch(turbo, (on) => {
-  if (!cfgTouched.value) cfg.value = on ? CFG_TURBO : CFG_QUALITY
+  if (cfgTouched.value) return
+  cfg.value = ltxVideo.value ? 3.5 : (on ? CFG_TURBO : CFG_QUALITY)
 })
 
 function clampDuration(value: number) {
@@ -2336,7 +2453,7 @@ function applyRecommend() {
     }
   } else {
     prompt.value = text
-    if (looksLikeShotScript(text)) shotScriptMode.value = true
+    if (looksLikeShotScript(text) || parseShotScript(text).length > 1) shotScriptMode.value = true
   }
   recommendApplied.value = true
   toast('Recommended prompt applied')
@@ -2709,7 +2826,7 @@ async function rerun(item: LibraryClip, collection = false) {
   if (showPrivacyToggles.value) hideInputPreview.value = target.hideInput === true
   folderId.value = target.folderId
   browseFolderId.value = target.folderId
-  videoWorkflow.value = target.workflow === 'v2' ? 'v2' : 'v1'
+  applyVideoWorkflow(target.workflow)
   if (typeof target.sound === 'boolean') withSound.value = target.sound
   shotScriptMode.value = restoreAll
   useIdentityRefs.value = false
@@ -2722,7 +2839,8 @@ async function rerun(item: LibraryClip, collection = false) {
     }))
     : []
   try {
-    await loadRerunImage(target, parts)
+    const initialTextToVideo = textToVideo.value && !target.parentClipId && !(target.chainIndex)
+    if (!(initialTextToVideo && !target.stillId)) await loadRerunImage(target, parts)
     statusMessage.value = restoreAll
       ? 'Collection loaded into the form. Generate when you are ready.'
       : 'Clip loaded into the form. Generate when you are ready.'
@@ -2730,8 +2848,12 @@ async function rerun(item: LibraryClip, collection = false) {
       ? 'Shot script and settings restored. Make any changes, then generate.'
       : 'Inputs restored. Make any changes, then generate.')
   } catch {
-    statusMessage.value = 'Clip settings loaded. Re-drop the start still if it is missing.'
-    toast('Settings restored, but the start still could not be loaded. Pick it again.')
+    statusMessage.value = textToVideo.value
+      ? 'Clip settings loaded. Add a still only if you want image-to-video.'
+      : 'Clip settings loaded. Re-drop the start still if it is missing.'
+    toast(textToVideo.value
+      ? 'Settings restored. Text-to-video does not need a start still.'
+      : 'Settings restored, but the start still could not be loaded. Pick it again.')
   }
 }
 
@@ -2746,7 +2868,7 @@ async function loadDraft(draft: RetryDraft) {
   withSound.value = draft.sound !== false
   if (draft.hideInput && showPrivacyToggles.value) hideInputPreview.value = true
   duration.value = clampDuration(Number(draft.duration))
-  if (draft.workflow === 'v2') videoWorkflow.value = 'v2'
+  applyVideoWorkflow(draft.workflow)
   extensionQueue.value = (draft.extensions || []).map(item => ({
     id: crypto.randomUUID(),
     prompt: String(item.prompt || ''),
@@ -2758,8 +2880,12 @@ async function loadDraft(draft: RetryDraft) {
     readFile(new File([blob], filename, { type: blob.type || 'image/png' }), { keepThumbnailPref: true })
     statusMessage.value = 'Held job restored. Generate when ComfyUI is free.'
   } catch {
-    statusMessage.value = 'Held job settings restored. Re-drop the still if the image is missing.'
-    toast('Settings restored. Unlock the folder or re-drop the still if the image is missing.')
+    if (textToVideo.value) {
+      statusMessage.value = 'Held job restored. Generate when ComfyUI is free.'
+    } else {
+      statusMessage.value = 'Held job settings restored. Re-drop the still if the image is missing.'
+      toast('Settings restored. Unlock the folder or re-drop the still if the image is missing.')
+    }
   }
 }
 
@@ -3363,8 +3489,32 @@ async function useEditAsInput() {
   }
 }
 
+function applyEngineDefaults(engine: VideoEngineId) {
+  if (engine === 'ltx') {
+    samplerName.value = 'euler'
+    if (!cfgTouched.value) cfg.value = 3.5
+    return
+  }
+  if (samplerName.value === 'euler') samplerName.value = 'res_multistep'
+  if (!cfgTouched.value) cfg.value = turbo.value ? CFG_TURBO : CFG_QUALITY
+}
+
+function selectVideoEngine(engine: VideoEngineId) {
+  if (videoEngine.value === engine) return
+  cfgTouched.value = false
+  videoEngine.value = engine
+  applyEngineDefaults(engine)
+}
+
+function applyVideoWorkflow(raw?: string) {
+  const parsed = parseVideoWorkflow(raw)
+  videoEngine.value = videoEngineOf(parsed)
+  videoStart.value = videoStartOf(parsed)
+  minimaxGraph.value = minimaxGraphOf(parsed)
+}
+
 async function generate() {
-  if (!file.value || !prompt.value.trim()) return
+  if ((!file.value && !textToVideo.value) || !prompt.value.trim()) return
   if (!queueReady.value) {
     toast(shotScriptMode.value ? 'Each shot in the script needs a prompt.' : 'Each queued extension needs a prompt.')
     return
@@ -3401,7 +3551,7 @@ async function generate() {
   startTimer('video')
   try {
     const body = new FormData()
-    body.append('image', file.value)
+    if (file.value) body.append('image', file.value)
     body.append('prompt', initialPrompt)
     body.append('aspect', aspect.value)
     body.append('width', String(outputSize.value.width))