Add LoRA activation words and hide LoRAs that do not match the current engine.

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

components/LoraSelect.vue

@@ -32,6 +32,12 @@
               <span class="block leading-none" aria-hidden="true">⋮⋮</span>
             </button>
             <span class="min-w-0 truncate text-zinc-200">{{ loraDisplayName(item.name) }}</span>
+            <LoraTriggerTip
+              :text="triggerFor(item.name)"
+              :aria-label="'Activation for ' + loraDisplayName(item.name)"
+              @insert="emit('insert-trigger', $event)"
+              @save="saveTrigger(item.name, $event)"
+            />
           </div>
           <button
             type="button"
@@ -99,6 +105,7 @@ import {
   clampLoraStrength,
   loraDisplayName,
   loraIdentityKey,
+  loraTriggerFor,
   makeLoraStackItem,
   type LoraStackItem
 } from '~/utils/loras'
@@ -112,6 +119,7 @@ const props = withDefaults(defineProps<{
   compact?: boolean
   disabled?: boolean
   clipStrength?: boolean
+  triggers?: Record<string, string>
 }>(), {
   label: 'LoRA',
   emptyLabel: 'None',
@@ -119,9 +127,15 @@ const props = withDefaults(defineProps<{
   missingLabel: 'Wake GPU to load LoRAs',
   compact: false,
   disabled: false,
-  clipStrength: true
+  clipStrength: true,
+  triggers: () => ({})
 })
 
+const emit = defineEmits<{
+  'insert-trigger': [text: string]
+  'update-trigger': [name: string, trigger: string]
+}>()
+
 const model = defineModel<LoraStackItem[]>({ default: () => [] })
 
 const draggingIndex = ref<number | null>(null)
@@ -201,4 +215,12 @@ function setStrength(index: number, key: 'strengthModel' | 'strengthClip', value
   const next = clampLoraStrength(value)
   model.value = model.value.map((item, i) => i === index ? { ...item, [key]: next } : item)
 }
+
+function triggerFor(name: string) {
+  return loraTriggerFor(name, props.triggers)
+}
+
+function saveTrigger(name: string, trigger: string) {
+  emit('update-trigger', name, trigger)
+}
 </script>

components/LoraTriggerTip.vue

@@ -0,0 +1,82 @@
+<template>
+  <div class="group relative shrink-0" @wheel.prevent="onIconWheel">
+    <button
+      type="button"
+      class="relative z-10 flex h-6 w-6 items-center justify-center rounded-full"
+      :class="text ? 'text-amber-200/80 hover:text-amber-100' : 'text-zinc-600 hover:text-zinc-400'"
+      :aria-label="ariaLabel"
+      :title="text ? 'Insert activation word' : 'Set activation word'"
+      @click.stop="onIconClick"
+    >
+      <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" class="h-4 w-4">
+        <circle cx="12" cy="12" r="10" />
+        <path d="M12 16v-4M12 8h.01" stroke-linecap="round" />
+      </svg>
+    </button>
+    <div class="invisible absolute left-0 top-full z-30 -mt-1 pt-2 group-hover:visible group-focus-within:visible">
+      <div
+        ref="panel"
+        class="pointer-events-auto w-64 max-w-[calc(100vw-2rem)] overflow-hidden rounded-xl border border-white/10 bg-zinc-950 p-3 text-xs leading-relaxed text-zinc-300 shadow-2xl"
+        @click.stop
+      >
+        <p class="text-[10px] uppercase tracking-wide text-zinc-500">Activation</p>
+        <p v-if="text" class="mt-1 max-h-24 overflow-y-auto whitespace-pre-wrap break-words">{{ text }}</p>
+        <p v-else class="mt-1 text-zinc-500">No word yet. Type one, then insert it into the prompt.</p>
+        <input
+          ref="input"
+          v-model="draft"
+          class="mt-2 w-full rounded-lg border border-white/10 bg-zinc-900 px-2 py-1 text-xs outline-none ring-amber-300/40 focus:ring-2"
+          maxlength="240"
+          placeholder="ohwx woman"
+          @keydown.enter.prevent="save"
+        >
+        <div class="mt-2 flex flex-wrap gap-2">
+          <button
+            type="button"
+            class="text-[11px] text-amber-200 hover:text-amber-100 disabled:text-zinc-600"
+            :disabled="!text"
+            @click="emit('insert', text)"
+          >
+            Insert into prompt
+          </button>
+          <button type="button" class="text-[11px] text-zinc-400 hover:text-white" @click="save">Save</button>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+const props = defineProps<{
+  text: string
+  ariaLabel: string
+}>()
+
+const emit = defineEmits<{
+  insert: [text: string]
+  save: [text: string]
+}>()
+
+const panel = ref<HTMLElement | null>(null)
+const input = ref<HTMLInputElement | null>(null)
+const draft = ref(props.text)
+
+watch(() => props.text, (value) => {
+  draft.value = value
+})
+
+function onIconClick() {
+  if (props.text) emit('insert', props.text)
+  else input.value?.focus()
+}
+
+function save() {
+  emit('save', draft.value)
+}
+
+function onIconWheel(event: WheelEvent) {
+  const el = panel.value
+  if (!el) return
+  el.scrollTop += event.deltaY
+}
+</script>

components/SettingsModal.vue

@@ -159,6 +159,7 @@
             <p class="mt-1 text-sm text-zinc-400">
               Short names used in auto-generated output titles. Leave blank to use the file stem
               (<span class="text-zinc-300">XAIgen-cline</span> becomes <span class="text-zinc-300">cline</span>).
+              Activation is the word or phrase the <span class="text-zinc-300">i</span> on a LoRA slider inserts into the prompt.
             </p>
           </div>
           <p v-if="loraRowsLoading" class="text-sm text-zinc-500">Loading LoRAs…</p>
@@ -172,13 +173,22 @@
               <p class="truncate text-sm text-zinc-200">{{ row.file }}</p>
               <p class="text-[10px] uppercase tracking-wide text-zinc-600">{{ row.kind === 'both' ? 'Image · Video' : row.kind }}</p>
             </div>
+            <div class="flex w-full flex-col gap-2 sm:w-56">
               <input
                 v-model="row.draft"
-              class="w-full rounded-xl border border-white/10 bg-zinc-950 px-3 py-2 text-sm sm:w-44"
+                class="w-full rounded-xl border border-white/10 bg-zinc-950 px-3 py-2 text-sm"
                 :placeholder="row.placeholder"
                 maxlength="24"
                 @change="saveLoraAlias(row)"
               >
+              <input
+                v-model="row.trigger"
+                class="w-full rounded-xl border border-white/10 bg-zinc-950 px-3 py-2 text-sm"
+                placeholder="Activation word"
+                maxlength="240"
+                @change="saveLoraTrigger(row)"
+              >
+            </div>
           </div>
         </section>
 
@@ -279,7 +289,7 @@ const newPresetName = ref('')
 const newPresetPrompt = ref('')
 const promptPresets = ref<Array<{ id: string; name: string; description?: string; builtin?: boolean; systemPrompt?: string }>>([])
 const loraRowsLoading = ref(true)
-const loraRows = ref<Array<{ key: string; file: string; kind: 'image' | 'video' | 'both'; draft: string; placeholder: string }>>([])
+const loraRows = ref<Array<{ key: string; file: string; kind: 'image' | 'video' | 'both'; draft: string; trigger: string; placeholder: string }>>([])
 const loginUser = ref(props.username || '')
 const loginCurrent = ref('')
 const loginNext = ref('')
@@ -462,9 +472,10 @@ async function loadLoraKeys() {
   loraRowsLoading.value = true
   try {
     const listed = await $fetch<{ image?: string[]; video?: string[] }>('/api/loras').catch(() => ({ image: [], video: [] }))
-    const library = await $fetch<{ loraAliases?: Record<string, string> }>('/api/library?light=1').catch(() => ({ loraAliases: {} }))
+    const library = await $fetch<{ loraAliases?: Record<string, string>; loraTriggers?: Record<string, string> }>('/api/library?light=1').catch(() => ({ loraAliases: {}, loraTriggers: {} }))
     const aliases = library.loraAliases || {}
-    const map = new Map<string, { key: string; file: string; kind: 'image' | 'video' | 'both'; draft: string; placeholder: string }>()
+    const triggers = library.loraTriggers || {}
+    const map = new Map<string, { key: string; file: string; kind: 'image' | 'video' | 'both'; draft: string; trigger: string; placeholder: string }>()
     const add = (name: string, kind: 'image' | 'video') => {
       if (isFilenameSystemLora(name)) return
       const key = loraIdentityKey(name)
@@ -479,6 +490,7 @@ async function loadLoraKeys() {
         file: loraDisplayName(name),
         kind,
         draft: aliases[key] || '',
+        trigger: triggers[key] || '',
         placeholder: defaultLoraFilenameKey(name)
       })
     }
@@ -501,6 +513,17 @@ async function saveLoraAlias(row: { key: string; draft: string }) {
   }
 }
 
+async function saveLoraTrigger(row: { key: string; trigger: string }) {
+  try {
+    emit('updated', await $fetch('/api/library/lora-triggers', {
+      method: 'PUT',
+      body: { key: row.key, trigger: row.trigger }
+    }))
+  } catch (error: any) {
+    emit('error', error?.data?.statusMessage || 'Could not save LoRA activation word')
+  }
+}
+
 async function addPreset() {
   const name = newPresetName.value.trim()
   const systemPrompt = newPresetPrompt.value.trim()

pages/index.vue

@@ -451,12 +451,15 @@
                 class="mt-2"
                 :model-value="shotLoraStacks[shot.n] || []"
                 :names="videoLoraOptions"
+                :triggers="loraTriggers"
                 label="LoRA"
                 empty-label="Default"
                 add-label="Add LoRA"
                 compact
                 :clip-strength="false"
                 @update:model-value="setShotLoraStack(shot.n, $event)"
+                @insert-trigger="insertLoraTrigger($event, { shot: shot.n })"
+                @update-trigger="saveLoraTrigger"
               />
               <PermanenceRefStrip
                 class="mt-2"
@@ -504,12 +507,15 @@
               class="mt-3"
               :model-value="item.loraStack || []"
               :names="videoLoraOptions"
+              :triggers="loraTriggers"
               label="LoRA"
               empty-label="Default"
               add-label="Add LoRA"
               compact
               :clip-strength="false"
               @update:model-value="item.loraStack = $event"
+              @insert-trigger="insertLoraTrigger($event, { extensionId: item.id })"
+              @update-trigger="saveLoraTrigger"
             />
             <PermanenceRefStrip
               class="mt-3"
@@ -724,7 +730,17 @@
         </div>
 
         <div v-if="studioMode === 'video'" class="max-w-md space-y-2">
-          <LoraSelect v-model="videoLoraStack" :names="videoLoraOptions" label="LoRA" empty-label="None" compact :clip-strength="false" />
+          <LoraSelect
+            v-model="videoLoraStack"
+            :names="videoLoraOptions"
+            :triggers="loraTriggers"
+            label="LoRA"
+            empty-label="None"
+            compact
+            :clip-strength="false"
+            @insert-trigger="insertLoraTrigger($event)"
+            @update-trigger="saveLoraTrigger"
+          />
           <GenerationPresetBar
             :presets="videoGenerationPresets"
             v-model:selected-id="videoPresetId"
@@ -779,10 +795,13 @@
             <LoraSelect
               v-model="imageV2LoraStack"
               :names="imageV2LoraOptions"
+              :triggers="loraTriggers"
               label="LoRA"
               empty-label="Add LoRA"
               missing-label="Wake GPU to load LoRAs"
               compact
+              @insert-trigger="insertLoraTrigger($event)"
+              @update-trigger="saveLoraTrigger"
             />
             <p v-if="v2Engine === 'krea'" class="mt-1 text-[11px] text-zinc-500">Flux LoRAs stay on the Flux engine. Switch back to restore that chain.</p>
           </div>
@@ -897,7 +916,16 @@
             <p class="mt-2 text-xs text-zinc-500">{{ imageAspectHelp }}</p>
           </div>
           <div class="max-w-md space-y-2">
-            <LoraSelect v-model="imageLoraStack" :names="imageLoraOptions" label="LoRA" empty-label="None" compact />
+            <LoraSelect
+              v-model="imageLoraStack"
+              :names="imageLoraOptions"
+              :triggers="loraTriggers"
+              label="LoRA"
+              empty-label="None"
+              compact
+              @insert-trigger="insertLoraTrigger($event)"
+              @update-trigger="saveLoraTrigger"
+            />
             <label class="flex cursor-pointer items-center gap-2 text-xs text-zinc-400">
               <span class="relative inline-flex h-5 w-9 shrink-0 items-center">
                 <input v-model="editScaleToTotalPixels" type="checkbox" class="peer sr-only" role="switch" aria-label="Scale to 1 MP">
@@ -1345,7 +1373,17 @@
               label="Extension duration"
               hint="Type any length, or hover the wheel and scroll. Shift-scroll jumps by 1s."
             />
-            <LoraSelect v-model="extendLoraStack" :names="videoLoraOptions" label="LoRA" empty-label="Same as clip / none" compact :clip-strength="false" />
+            <LoraSelect
+              v-model="extendLoraStack"
+              :names="videoLoraOptions"
+              :triggers="loraTriggers"
+              label="LoRA"
+              empty-label="Same as clip / none"
+              compact
+              :clip-strength="false"
+              @insert-trigger="insertLoraTrigger($event, 'extend')"
+              @update-trigger="saveLoraTrigger"
+            />
             <button
               type="button"
               class="w-full rounded-2xl bg-amber-400 px-4 py-2.5 text-sm font-semibold text-zinc-950 transition hover:bg-amber-300 disabled:cursor-not-allowed disabled:opacity-50"
@@ -2043,8 +2081,12 @@ import {
   filterLoraStackForImageEngine,
   filterLoraStackForStudio,
   filterLorasForImageEngine,
+  filterLorasForUse,
+  insertActivationInShotScript,
+  insertActivationPhrase,
   isKleinImageLora,
   kleinLoraOnKreaMessage,
+  loraIdentityKey,
   loraStacksEqual,
   normalizeLoraStack,
   persistLoraFields,
@@ -2524,6 +2566,7 @@ const clips = ref<LibraryClip[]>([])
 const stills = ref<LibraryStill[]>([])
 const drafts = ref<RetryDraft[]>([])
 const loraAliases = ref<Record<string, string>>({})
+const loraTriggers = ref<Record<string, string>>({})
 const folderId = ref('')
 const browseFolderId = ref('')
 const renamingId = ref('')
@@ -2578,17 +2621,23 @@ const minimaxGraph = ref<MiniMaxGraphId>('v2')
 const videoWorkflow = computed(() => composeVideoWorkflow(videoEngine.value, videoStart.value, minimaxGraph.value))
 const textToVideo = computed(() => isTextToVideo(videoWorkflow.value))
 const ltxVideo = computed(() => isLtxWorkflow(videoWorkflow.value))
-const videoLoraOptions = computed(() => mergeLoraOptions(videoLoras.value, [
+const videoLoraOptions = computed(() => mergeLoraOptions(
+  filterLorasForUse(videoLoras.value, ltxVideo.value ? 'ltx' : 'minimax'),
+  [
     ...videoLoraStack.value.map(item => item.name),
     ...extendLoraStack.value.map(item => item.name),
     ...Object.values(shotLoraStacks.value).flatMap(stack => stack.map(item => item.name)),
     ...extensionQueue.value.flatMap(item => (item.loraStack || []).map(entry => entry.name))
-]))
-const imageLoraOptions = computed(() => mergeLoraOptions(imageLoras.value, imageLoraStack.value.map(item => item.name)))
+  ]
+))
+const imageLoraOptions = computed(() => mergeLoraOptions(
+  filterLorasForUse(imageLoras.value, 'flux'),
+  imageLoraStack.value.map(item => item.name)
+))
 const imageV2ConceptFile = computed(() => imageV2ConceptName())
 const imageV2SnofsOn = computed(() => imageV2LoraStack.value.some(item => isImageV2ConceptLora(item.name, v2Engine.value)))
 const imageV2LoraOptions = computed(() => mergeLoraOptions(
-  filterLorasForImageEngine(imageLoras.value, v2Engine.value),
+  filterLorasForUse(filterLorasForImageEngine(imageLoras.value, v2Engine.value), v2Engine.value),
   filterLorasForImageEngine([
     ...imageV2LoraStack.value.map(item => item.name),
     ...(v2ConceptLoraEnabled.value && imageV2ConceptFile.value ? [imageV2ConceptFile.value] : [])
@@ -3454,8 +3503,8 @@ function applyInstancePrivacy() {
   hideThumbnail.value = readPrivacyToggle('aigen-hide-output-preview', true)
 }
 
-function applyLibrary(data: { folders?: LibraryFolder[]; clips?: LibraryClip[]; stills?: LibraryStill[]; drafts?: RetryDraft[]; loraAliases?: Record<string, string> } | unknown) {
-  const payload = (data || {}) as { folders?: LibraryFolder[]; clips?: LibraryClip[]; stills?: LibraryStill[]; drafts?: RetryDraft[]; loraAliases?: Record<string, string> }
+function applyLibrary(data: { folders?: LibraryFolder[]; clips?: LibraryClip[]; stills?: LibraryStill[]; drafts?: RetryDraft[]; loraAliases?: Record<string, string>; loraTriggers?: Record<string, string> } | unknown) {
+  const payload = (data || {}) as { folders?: LibraryFolder[]; clips?: LibraryClip[]; stills?: LibraryStill[]; drafts?: RetryDraft[]; loraAliases?: Record<string, string>; loraTriggers?: Record<string, string> }
   folders.value = payload.folders || []
   clips.value = payload.clips || []
   stills.value = payload.stills || []
@@ -3463,6 +3512,9 @@ function applyLibrary(data: { folders?: LibraryFolder[]; clips?: LibraryClip[];
   if (payload.loraAliases && typeof payload.loraAliases === 'object') {
     loraAliases.value = payload.loraAliases
   }
+  if (payload.loraTriggers && typeof payload.loraTriggers === 'object') {
+    loraTriggers.value = payload.loraTriggers
+  }
   if (!folderId.value || !folders.value.some(folder => folder.id === folderId.value)) {
     folderId.value = folders.value[0]?.id || ''
   }
@@ -3472,7 +3524,7 @@ function applyLibrary(data: { folders?: LibraryFolder[]; clips?: LibraryClip[];
 }
 
 async function loadLibrary(light = false) {
-  const data = await $fetch<{ folders?: LibraryFolder[]; clips?: LibraryClip[]; stills?: LibraryStill[]; drafts?: RetryDraft[]; loraAliases?: Record<string, string> }>(light ? '/api/library?light=1' : '/api/library')
+  const data = await $fetch<{ folders?: LibraryFolder[]; clips?: LibraryClip[]; stills?: LibraryStill[]; drafts?: RetryDraft[]; loraAliases?: Record<string, string>; loraTriggers?: Record<string, string> }>(light ? '/api/library?light=1' : '/api/library')
   applyLibrary(data)
   if (light) return
   const queued = await $fetch<{ pendingCount?: number }>('/api/queues').catch(() => ({ pendingCount: 0 }))
@@ -3933,6 +3985,38 @@ function mergeLoraOptions(listed: string[], extra: string[]) {
   return names
 }
 
+async function saveLoraTrigger(name: string, trigger: string) {
+  try {
+    applyLibrary(await $fetch('/api/library/lora-triggers', {
+      method: 'PUT',
+      body: { key: loraIdentityKey(name), trigger }
+    }))
+  } catch (error: any) {
+    toast(error?.data?.statusMessage || 'Could not save activation word')
+  }
+}
+
+function insertLoraTrigger(phrase: string, target: 'main' | 'extend' | { shot: number } | { extensionId: string } = 'main') {
+  const token = String(phrase || '').trim()
+  if (!token) return
+  if (target === 'extend') {
+    extendPrompt.value = insertActivationPhrase(extendPrompt.value, token)
+    return
+  }
+  if (typeof target === 'object' && 'extensionId' in target) {
+    const item = extensionQueue.value.find(entry => entry.id === target.extensionId)
+    if (item) item.prompt = insertActivationPhrase(item.prompt, token)
+    return
+  }
+  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[]) {
   const next = { ...shotLoraStacks.value }
   const items = normalizeLoraStack(stack)

pages/queue.vue

@@ -193,12 +193,15 @@
                   class="mt-3 max-w-md"
                   :model-value="readLoraStack(segment)"
                   :names="videoLoraOptions"
+                  :triggers="loraTriggers"
                   label="LoRA"
                   empty-label="Default"
                   add-label="Add LoRA"
                   compact
                   :clip-strength="false"
                   @update:model-value="(value) => { setSegmentStack(segment, value); saveSegment(job.shots, segment) }"
+                  @insert-trigger="insertSegmentTrigger(job.shots, segment, $event)"
+                  @update-trigger="saveLoraTrigger"
                 />
                 <p v-else-if="segmentLoraLabel(job.shots, segment)" class="mt-1 text-[11px] text-zinc-500">{{ segmentLoraLabel(job.shots, segment) }}</p>
                 <div v-if="segment.clipId" class="mt-2">
@@ -335,12 +338,15 @@
                   class="mt-3 max-w-md"
                   :model-value="readLoraStack(segment)"
                   :names="videoLoraOptions"
+                  :triggers="loraTriggers"
                   label="LoRA"
                   empty-label="Default"
                   add-label="Add LoRA"
                   compact
                   :clip-strength="false"
                   @update:model-value="(value) => { setSegmentStack(segment, value); saveSegment(queue, segment) }"
+                  @insert-trigger="insertSegmentTrigger(queue, segment, $event)"
+                  @update-trigger="saveLoraTrigger"
                 />
                 <p v-else-if="segmentLoraLabel(queue, segment)" class="mt-1 text-[11px] text-zinc-500">{{ segmentLoraLabel(queue, segment) }}</p>
                 <div v-if="segment.clipId" class="mt-2">
@@ -397,7 +403,7 @@
 </template>
 
 <script setup lang="ts">
-import { loraStackLabel, persistLoraFields, readLoraStack, type LoraStackItem } from '~/utils/loras'
+import { insertActivationPhrase, loraIdentityKey, loraMatchesUse, loraStackLabel, persistLoraFields, readLoraStack, type LoraStackItem } from '~/utils/loras'
 
 type Segment = {
   index: number
@@ -458,6 +464,7 @@ type PendingRemove = {
 }
 
 const videoLoras = ref<string[]>([])
+const loraTriggers = ref<Record<string, string>>({})
 const jobs = ref<StudioJobRow[]>([])
 const orphans = ref<Queue[]>([])
 const waitingCount = ref(0)
@@ -472,7 +479,7 @@ const pendingRemove = ref<PendingRemove | null>(null)
 let pollTimer: ReturnType<typeof setInterval> | null = null
 
 const videoLoraOptions = computed(() => {
-  const names = [...videoLoras.value]
+  const names = videoLoras.value.filter(name => loraMatchesUse(name, 'minimax') || loraMatchesUse(name, 'ltx'))
   for (const queue of [...jobs.value.map(job => job.shots), ...orphans.value]) {
     if (!queue) continue
     if (queue.loraName && !names.includes(queue.loraName)) names.push(queue.loraName)
@@ -614,6 +621,23 @@ function setSegmentStack(segment: Segment, stack: LoraStackItem[]) {
   segment.loraName = fields.loraName
 }
 
+function insertSegmentTrigger(queue: Queue, segment: Segment, phrase: string) {
+  segment.prompt = insertActivationPhrase(segment.prompt, phrase)
+  saveSegment(queue, segment)
+}
+
+async function saveLoraTrigger(name: string, trigger: string) {
+  try {
+    const data = await $fetch<{ loraTriggers?: Record<string, string> }>('/api/library/lora-triggers', {
+      method: 'PUT',
+      body: { key: loraIdentityKey(name), trigger }
+    })
+    if (data.loraTriggers) loraTriggers.value = data.loraTriggers
+  } catch {
+    /* keep the last saved word */
+  }
+}
+
 function segmentLoraLabel(queue: Queue, segment: Segment) {
   const stack = readLoraStack(segment).length ? readLoraStack(segment) : readLoraStack(queue)
   return loraStackLabel(stack)
@@ -1016,6 +1040,9 @@ onMounted(async () => {
   void $fetch<{ video?: string[] }>('/api/loras').then((listed) => {
     videoLoras.value = listed.video || []
   }).catch(() => null)
+  void $fetch<{ loraTriggers?: Record<string, string> }>('/api/library?light=1').then((library) => {
+    if (library.loraTriggers) loraTriggers.value = library.loraTriggers
+  }).catch(() => null)
   window.addEventListener('keydown', onRemoveKey)
   await loadQueues().catch((err: any) => {
     error.value = err?.data?.statusMessage || err?.message || 'Could not load the queue'

server/api/library/lora-triggers.put.ts

@@ -0,0 +1,8 @@
+import { libraryOwnerKey, publicLibrary, setLoraTrigger } from '~/server/utils/library'
+
+export default defineEventHandler(async (event) => {
+  const body = await readBody<{ key?: unknown; trigger?: unknown }>(event)
+  const owner = libraryOwnerKey(event)
+  await setLoraTrigger(owner, String(body?.key || ''), String(body?.trigger || ''))
+  return publicLibrary(event)
+})

server/utils/library.ts

@@ -9,7 +9,7 @@ import { extractFirstFrame, extractFrameAt, extractLastFrame, probeDuration, rem
 import { normalizePermanenceRefs, type PermanenceRef } from '~/utils/globalLocks'
 import { normalizeStillSettings, type StillGenerationSettings } from '~/utils/libraryGeneration'
 import { buildOutputBaseName, nextUniqueName, normalizeLoraAliases, sanitizeLoraAlias } from '~/utils/outputNames'
-import { loraIdentityKey, type LoraStackItem } from '~/utils/loras'
+import { loraIdentityKey, normalizeLoraTriggers, sanitizeLoraTrigger, type LoraStackItem } from '~/utils/loras'
 
 const scryptAsync = promisify(scrypt)
 
@@ -131,6 +131,7 @@ interface Catalog {
   stills: LibraryStill[]
   drafts: RetryDraft[]
   loraAliases: Record<string, string>
+  loraTriggers: Record<string, string>
 }
 
 const writeChains = new Map<string, Promise<unknown>>()
@@ -170,7 +171,8 @@ function emptyCatalog(): Catalog {
     clips: [],
     stills: [],
     drafts: [],
-    loraAliases: {}
+    loraAliases: {},
+    loraTriggers: {}
   }
 }
 
@@ -230,7 +232,8 @@ function normalizeCatalog(parsed: Partial<Catalog> & { passwordHash?: string | n
     clips: Array.isArray(parsed.clips) ? parsed.clips : [],
     stills: Array.isArray(parsed.stills) ? parsed.stills.map(normalizeStill) : [],
     drafts: Array.isArray(parsed.drafts) ? parsed.drafts : [],
-    loraAliases: normalizeLoraAliases(parsed.loraAliases)
+    loraAliases: normalizeLoraAliases(parsed.loraAliases),
+    loraTriggers: normalizeLoraTriggers(parsed.loraTriggers)
   }
 }
 
@@ -383,6 +386,22 @@ export function getLoraAliases(owner: string) {
   return { ...(readCatalog(owner).loraAliases || {}) }
 }
 
+export function getLoraTriggers(owner: string) {
+  return { ...(readCatalog(owner).loraTriggers || {}) }
+}
+
+export async function setLoraTrigger(owner: string, identity: string, trigger: string) {
+  const key = loraIdentityKey(identity) || String(identity || '').trim().toLowerCase()
+  if (!key) throw createError({ statusCode: 400, statusMessage: 'A LoRA file is required' })
+  const cleaned = sanitizeLoraTrigger(trigger)
+  return mutate(owner, (catalog) => {
+    if (!catalog.loraTriggers) catalog.loraTriggers = {}
+    if (!cleaned) delete catalog.loraTriggers[key]
+    else catalog.loraTriggers[key] = cleaned
+    return { ...catalog.loraTriggers }
+  })
+}
+
 export async function setLoraAlias(owner: string, identity: string, alias: string) {
   const key = loraIdentityKey(identity) || String(identity || '').trim().toLowerCase()
   if (!key) throw createError({ statusCode: 400, statusMessage: 'A LoRA file is required' })
@@ -486,7 +505,8 @@ export function publicLibrary(event: H3Event, opts?: { light?: boolean }) {
       .filter(still => unlockedIds.has(still.folderId) && !isPipelineStill(catalog, still, clipIds))
       .map(still => ({ ...still, role: stillRole(still) })),
     drafts: catalog.drafts,
-    loraAliases: catalog.loraAliases || {}
+    loraAliases: catalog.loraAliases || {},
+    loraTriggers: catalog.loraTriggers || {}
   }
 }
 

utils/loras.ts

@@ -234,3 +234,98 @@ export function filterLoraStackForImageEngine(stack: unknown, engine: 'flux' | '
 export function kleinLoraOnKreaMessage(name: string) {
   return `${loraDisplayName(name)} is a Flux LoRA and cannot be used with Krea.`
 }
+
+export type LoraUse = 'minimax' | 'ltx' | 'flux' | 'krea'
+
+export function isSystemGraphLora(name: string) {
+  const id = loraIdentityKey(name)
+  if (id === loraIdentityKey(MINIMAX_TURBO_LORA)) return true
+  if (/flux2-klein-9b-consistency/i.test(id)) return true
+  if (/ltx-2\.3-22b-distilled/i.test(id)) return true
+  return false
+}
+
+/** Filename hints. `null` means the LoRA can appear in any picker. */
+export function inferLoraUse(name: string): LoraUse[] | null {
+  const id = loraIdentityKey(name)
+  if (/snofs_krea|(^|[_-])krea([_-]|$)/i.test(id)) return ['krea']
+  if (isKleinImageLora(name) || /flux-?2-klein|flux2-klein/i.test(id)) return ['flux']
+  if (/(^|[_-])ltx([_-]|$)|ltx-2/i.test(id)) return ['ltx']
+  if (/minimax|h3_fl2v|fl2v_turbo/i.test(id)) return ['minimax']
+  return null
+}
+
+export function loraMatchesUse(name: string, use: LoraUse) {
+  if (isSystemGraphLora(name)) return false
+  const inferred = inferLoraUse(name)
+  if (!inferred) return true
+  return inferred.includes(use)
+}
+
+export function filterLorasForUse(names: string[], use: LoraUse) {
+  return names.filter(name => loraMatchesUse(name, use))
+}
+
+export function sanitizeLoraTrigger(raw: unknown) {
+  return String(raw || '')
+    .replace(/\r\n/g, '\n')
+    .replace(/[\0\r]/g, '')
+    .replace(/[ \t]+\n/g, '\n')
+    .trim()
+    .slice(0, 240)
+}
+
+export function normalizeLoraTriggers(raw: unknown): Record<string, string> {
+  if (!raw || typeof raw !== 'object' || Array.isArray(raw)) return {}
+  const out: Record<string, string> = {}
+  for (const [key, value] of Object.entries(raw as Record<string, unknown>)) {
+    const id = loraIdentityKey(key) || String(key || '').trim().toLowerCase()
+    const trigger = sanitizeLoraTrigger(value)
+    if (!id || !trigger) continue
+    out[id] = trigger
+  }
+  return out
+}
+
+export function loraTriggerFor(name: string, triggers: Record<string, string> = {}) {
+  const id = loraIdentityKey(name)
+  return String(triggers[id] || triggers[loraBasename(name).toLowerCase()] || '').trim()
+}
+
+export function insertActivationPhrase(text: string, phrase: string) {
+  const src = String(text || '')
+  const token = sanitizeLoraTrigger(phrase)
+  if (!token) return src
+  if (src.includes(token)) return src
+  if (!src.trim()) return token
+  const needsSpace = !/\s$/.test(src) && !/^\s/.test(token)
+  return needsSpace ? `${src} ${token}` : `${src}${token}`
+}
+
+export function insertActivationInShotScript(script: string, shotN: number, phrase: string) {
+  const src = String(script || '')
+  const token = sanitizeLoraTrigger(phrase)
+  if (!token || src.includes(token)) return src
+  const marker = new RegExp(`(^[ \\t]*shot\\s+${Number(shotN)}\\b[^\\n]*\\n?)`, 'im')
+  const match = marker.exec(src)
+  if (!match || match.index == null) {
+    if (Number(shotN) === 1) {
+      const nextShot = src.search(/^[ \t]*shot\s+\d+\b/m)
+      if (nextShot > 0) {
+        const head = src.slice(0, nextShot).replace(/\s+$/, '')
+        const gap = src.slice(0, nextShot).match(/\s+$/)?.[0] || '\n\n'
+        return insertActivationPhrase(head, token) + gap + src.slice(nextShot)
+      }
+    }
+    return insertActivationPhrase(src, token)
+  }
+  const start = match.index + match[0].length
+  const rest = src.slice(start)
+  const next = rest.search(/^[ \t]*shot\s+\d+\b/m)
+  const end = next < 0 ? src.length : start + next
+  const block = src.slice(start, end)
+  const lead = block.match(/^\s*/)?.[0] || ''
+  const body = block.slice(lead.length).replace(/\s+$/, '')
+  const tail = block.match(/\s+$/)?.[0] ?? (next < 0 ? '' : '\n')
+  return src.slice(0, start) + lead + insertActivationPhrase(body, token) + tail + src.slice(end)
+}