Add clickable keep-prompt snippets for video and image.

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

components/KeepPromptMenu.vue

@@ -0,0 +1,91 @@
+<template>
+  <div ref="root" class="relative shrink-0">
+    <button
+      type="button"
+      class="flex h-7 w-7 items-center justify-center rounded-full border border-white/15 text-lg leading-none text-amber-200 hover:border-amber-300/50 hover:text-amber-100 disabled:cursor-not-allowed disabled:opacity-40"
+      :disabled="disabled"
+      :title="items.length ? 'Add a saved prompt' : 'Add snippets in Settings'"
+      :aria-expanded="open"
+      aria-haspopup="menu"
+      aria-label="Add saved prompt"
+      @click.stop="open = !open"
+    >
+      +
+    </button>
+    <div
+      v-if="open"
+      class="absolute top-full z-30 mt-1 w-72 max-w-[calc(100vw-2rem)] overflow-hidden rounded-2xl border border-white/10 bg-zinc-950 shadow-2xl"
+      :class="align === 'left' ? 'left-0' : 'right-0'"
+      role="menu"
+    >
+      <p class="px-3 pt-2 text-[10px] uppercase tracking-wide text-zinc-500">{{ heading }}</p>
+      <p v-if="!items.length" class="px-3 py-3 text-xs text-zinc-500">
+        No saved snippets yet. Add video and image lists in Settings.
+      </p>
+      <ul v-else class="max-h-64 overflow-y-auto p-1">
+        <li v-for="item in items" :key="item.id">
+          <button
+            type="button"
+            class="flex w-full flex-col items-start rounded-xl px-3 py-2 text-left hover:bg-white/5"
+            role="menuitem"
+            @click="pick(item)"
+          >
+            <span class="text-xs font-medium text-amber-100">{{ item.label }}</span>
+            <span class="mt-0.5 line-clamp-2 whitespace-pre-wrap text-[11px] text-zinc-500">{{ item.text }}</span>
+          </button>
+        </li>
+      </ul>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import type { KeepPrompt } from '~/utils/keepPrompts'
+
+const props = withDefaults(defineProps<{
+  items: KeepPrompt[]
+  heading?: string
+  disabled?: boolean
+  align?: 'left' | 'right'
+}>(), {
+  heading: 'Saved prompts',
+  disabled: false,
+  align: 'right'
+})
+
+const emit = defineEmits<{
+  insert: [item: KeepPrompt]
+}>()
+
+const root = ref<HTMLElement | null>(null)
+const open = ref(false)
+
+function pick(item: KeepPrompt) {
+  emit('insert', item)
+  open.value = false
+}
+
+function onDocClick(event: MouseEvent) {
+  const target = event.target as Node | null
+  if (root.value && target && root.value.contains(target)) return
+  open.value = false
+}
+
+function onKey(event: KeyboardEvent) {
+  if (event.key === 'Escape') open.value = false
+}
+
+watch(() => props.disabled, (value) => {
+  if (value) open.value = false
+})
+
+onMounted(() => {
+  window.addEventListener('click', onDocClick)
+  window.addEventListener('keydown', onKey)
+})
+
+onBeforeUnmount(() => {
+  window.removeEventListener('click', onDocClick)
+  window.removeEventListener('keydown', onKey)
+})
+</script>

components/PromptDrawer.vue

@@ -5,7 +5,16 @@
       class="fixed inset-0 z-50 flex flex-col bg-zinc-950 px-4 pb-4 pt-[max(1rem,env(safe-area-inset-top))]"
     >
       <div class="mb-3 flex items-center justify-between gap-3">
-        <h2 class="min-w-0 truncate font-display text-lg font-bold">{{ title }}</h2>
+        <div class="flex min-w-0 items-center gap-2">
+          <h2 class="min-w-0 truncate font-display text-lg font-bold">{{ title }}</h2>
+          <KeepPromptMenu
+            v-if="editable"
+            :items="keepItems"
+            :heading="keepHeading"
+            align="left"
+            @insert="onKeepInsert"
+          />
+        </div>
         <button
           type="button"
           class="shrink-0 rounded-full border border-white/15 px-3 py-1 text-sm text-zinc-300 hover:text-white"
@@ -30,17 +39,23 @@
 </template>
 
 <script setup lang="ts">
+import { insertKeepSnippet, type KeepPrompt } from '~/utils/keepPrompts'
+
 const props = withDefaults(defineProps<{
   open: boolean
   title?: string
   text?: string
   editable?: boolean
   placeholder?: string
+  keepItems?: KeepPrompt[]
+  keepHeading?: string
 }>(), {
   title: 'Prompt',
   text: '',
   editable: true,
-  placeholder: ''
+  placeholder: '',
+  keepItems: () => [],
+  keepHeading: 'Saved prompts'
 })
 
 const emit = defineEmits<{
@@ -52,6 +67,10 @@ function onInput(event: Event) {
   emit('update:text', (event.target as HTMLTextAreaElement).value)
 }
 
+function onKeepInsert(item: KeepPrompt) {
+  emit('update:text', insertKeepSnippet(props.text || '', item.text))
+}
+
 function close() {
   emit('update:open', false)
 }

components/SettingsModal.vue

@@ -192,6 +192,63 @@
           </div>
         </section>
 
+        <section class="mt-8 space-y-4">
+          <div>
+            <h3 class="text-sm font-semibold uppercase tracking-wider text-zinc-500">Keep prompts</h3>
+            <p class="mt-1 text-sm text-zinc-400">
+              Saved snippets for the + button next to the studio prompt. Video and image lists are separate.
+            </p>
+          </div>
+          <div v-for="kind in keepKinds" :key="kind.id" class="space-y-2">
+            <p class="text-xs font-medium uppercase tracking-wide text-zinc-500">{{ kind.label }}</p>
+            <div
+              v-for="item in keepPrompts[kind.id]"
+              :key="item.id"
+              class="rounded-2xl border border-white/10 bg-zinc-950/50 p-3 space-y-2"
+            >
+              <div class="flex items-center gap-2">
+                <input
+                  v-model="item.label"
+                  class="min-w-0 flex-1 rounded-xl border border-white/10 bg-zinc-950 px-3 py-2 text-sm"
+                  placeholder="Short name"
+                  maxlength="40"
+                  @change="saveKeepKind(kind.id)"
+                >
+                <button type="button" class="shrink-0 text-xs text-red-300 hover:text-red-200" @click="removeKeepItem(kind.id, item.id)">
+                  Delete
+                </button>
+              </div>
+              <textarea
+                v-model="item.text"
+                rows="3"
+                class="w-full rounded-xl border border-white/10 bg-zinc-950 px-3 py-2 text-sm"
+                placeholder="Text added to the prompt…"
+                maxlength="500"
+                @change="saveKeepKind(kind.id)"
+              />
+            </div>
+            <p v-if="!keepPrompts[kind.id].length" class="text-xs text-zinc-600">None yet.</p>
+            <form class="space-y-2 rounded-2xl border border-dashed border-white/15 p-3" @submit.prevent="addKeepItem(kind.id)">
+              <input
+                v-model="newKeep[kind.id].label"
+                class="w-full rounded-xl border border-white/10 bg-zinc-950 px-3 py-2 text-sm"
+                :placeholder="kind.id === 'video' ? 'e.g. Locked camera' : 'e.g. Soft daylight'"
+                maxlength="40"
+              >
+              <textarea
+                v-model="newKeep[kind.id].text"
+                rows="2"
+                class="w-full rounded-xl border border-white/10 bg-zinc-950 px-3 py-2 text-sm"
+                placeholder="Snippet…"
+                maxlength="500"
+              />
+              <button type="submit" class="rounded-xl bg-white/10 px-3 py-2 text-xs font-semibold text-white hover:bg-white/15">
+                Add {{ kind.label.toLowerCase() }} snippet
+              </button>
+            </form>
+          </div>
+        </section>
+
         <section class="mt-8 space-y-3">
           <div>
             <h3 class="text-sm font-semibold uppercase tracking-wider text-zinc-500">Prompt helper</h3>
@@ -261,6 +318,15 @@
 <script setup lang="ts">
 import { defaultLoraFilenameKey, isFilenameSystemLora } from '~/utils/outputNames'
 import { loraDisplayName, loraIdentityKey } from '~/utils/loras'
+import {
+  KEEP_PROMPT_MAX,
+  emptyKeepPrompts,
+  normalizeKeepPrompts,
+  sanitizeKeepPromptLabel,
+  sanitizeKeepPromptText,
+  type KeepPromptKind,
+  type KeepPromptLists
+} from '~/utils/keepPrompts'
 
 export interface SettingsFolder {
   id: string
@@ -287,6 +353,15 @@ const emit = defineEmits<{
 const newName = ref('')
 const newPresetName = ref('')
 const newPresetPrompt = ref('')
+const keepKinds: Array<{ id: KeepPromptKind; label: string }> = [
+  { id: 'video', label: 'Video' },
+  { id: 'image', label: 'Image' }
+]
+const keepPrompts = ref<KeepPromptLists>(emptyKeepPrompts())
+const newKeep = reactive<Record<KeepPromptKind, { label: string; text: string }>>({
+  video: { label: '', text: '' },
+  image: { label: '', text: '' }
+})
 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; trigger: string; placeholder: string }>>([])
@@ -472,7 +547,12 @@ 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>; loraTriggers?: Record<string, string> }>('/api/library?light=1').catch(() => ({ loraAliases: {}, loraTriggers: {} }))
+    const library = await $fetch<{
+      loraAliases?: Record<string, string>
+      loraTriggers?: Record<string, string>
+      keepPrompts?: KeepPromptLists
+    }>('/api/library?light=1').catch(() => ({ loraAliases: {}, loraTriggers: {}, keepPrompts: emptyKeepPrompts() }))
+    keepPrompts.value = normalizeKeepPrompts(library.keepPrompts)
     const aliases = library.loraAliases || {}
     const triggers = library.loraTriggers || {}
     const map = new Map<string, { key: string; file: string; kind: 'image' | 'video' | 'both'; draft: string; trigger: string; placeholder: string }>()
@@ -502,6 +582,47 @@ async function loadLoraKeys() {
   }
 }
 
+async function saveKeepKind(kind: KeepPromptKind) {
+  try {
+    const data = await $fetch<{ keepPrompts?: KeepPromptLists }>('/api/library/keep-prompts', {
+      method: 'PUT',
+      body: { kind, items: keepPrompts.value[kind] }
+    })
+    keepPrompts.value = normalizeKeepPrompts(data.keepPrompts)
+    emit('updated', data)
+  } catch (error: any) {
+    emit('error', error?.data?.statusMessage || 'Could not save keep prompts')
+  }
+}
+
+function addKeepItem(kind: KeepPromptKind) {
+  const text = sanitizeKeepPromptText(newKeep[kind].text)
+  if (!text) {
+    emit('error', 'Snippet text is required')
+    return
+  }
+  if (keepPrompts.value[kind].length >= KEEP_PROMPT_MAX) {
+    emit('error', `At most ${KEEP_PROMPT_MAX} snippets per list`)
+    return
+  }
+  keepPrompts.value[kind] = [
+    ...keepPrompts.value[kind],
+    {
+      id: crypto.randomUUID(),
+      label: sanitizeKeepPromptLabel(newKeep[kind].label, text),
+      text
+    }
+  ]
+  newKeep[kind].label = ''
+  newKeep[kind].text = ''
+  void saveKeepKind(kind)
+}
+
+function removeKeepItem(kind: KeepPromptKind, id: string) {
+  keepPrompts.value[kind] = keepPrompts.value[kind].filter(item => item.id !== id)
+  void saveKeepKind(kind)
+}
+
 async function saveLoraAlias(row: { key: string; draft: string }) {
   try {
     emit('updated', await $fetch('/api/library/lora-aliases', {

pages/index.vue

@@ -190,7 +190,15 @@
 
         <div>
           <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 items-center 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>
+              <KeepPromptMenu
+                :items="activeKeepPrompts"
+                :heading="keepPromptHeading"
+                align="left"
+                @insert="insertKeepPrompt"
+              />
+            </div>
             <div class="flex flex-wrap items-center gap-3">
               <button
                 v-if="identityPrompting"
@@ -486,7 +494,16 @@
             class="rounded-2xl border border-white/10 bg-zinc-950/50 p-4"
           >
             <div class="mb-3 flex items-center justify-between gap-2">
-              <p class="text-sm font-medium text-zinc-200">Extension #{{ index + 1 }}</p>
+              <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"
@@ -1360,7 +1377,16 @@
               </p>
             </div>
             <label class="block text-sm">
-              <span class="mb-1 block text-zinc-400">Extension prompt</span>
+              <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
                 v-model="extendPrompt"
                 rows="4"
@@ -1965,6 +1991,8 @@
       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
@@ -2122,6 +2150,7 @@ import {
 } from '~/utils/libraryGeneration'
 import { parseImageAspect, generateSizeForAspect } from '~/utils/imageAspect'
 import { buildOutputBaseName, nextUniqueName } from '~/utils/outputNames'
+import { emptyKeepPrompts, insertKeepSnippet, normalizeKeepPrompts, type KeepPrompt, type KeepPromptLists } from '~/utils/keepPrompts'
 import {
   IMAGE_V2_CFG_DEFAULT,
   IMAGE_V2_CONSISTENCY_LORA,
@@ -2567,6 +2596,9 @@ const stills = ref<LibraryStill[]>([])
 const drafts = ref<RetryDraft[]>([])
 const loraAliases = ref<Record<string, string>>({})
 const loraTriggers = ref<Record<string, string>>({})
+const keepPrompts = ref<KeepPromptLists>(emptyKeepPrompts())
+const activeKeepPrompts = computed(() => studioMode.value === 'video' ? keepPrompts.value.video : keepPrompts.value.image)
+const keepPromptHeading = computed(() => studioMode.value === 'video' ? 'Video prompts' : 'Image prompts')
 const folderId = ref('')
 const browseFolderId = ref('')
 const renamingId = ref('')
@@ -3503,8 +3535,8 @@ 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>; loraTriggers?: Record<string, string> } | unknown) {
+function applyLibrary(data: { folders?: LibraryFolder[]; clips?: LibraryClip[]; stills?: LibraryStill[]; drafts?: RetryDraft[]; loraAliases?: Record<string, string>; loraTriggers?: Record<string, string>; keepPrompts?: KeepPromptLists } | unknown) {
-  const payload = (data || {}) as { folders?: LibraryFolder[]; clips?: LibraryClip[]; stills?: LibraryStill[]; drafts?: RetryDraft[]; loraAliases?: Record<string, string>; loraTriggers?: Record<string, string> }
+  const payload = (data || {}) as { folders?: LibraryFolder[]; clips?: LibraryClip[]; stills?: LibraryStill[]; drafts?: RetryDraft[]; loraAliases?: Record<string, string>; loraTriggers?: Record<string, string>; keepPrompts?: KeepPromptLists }
   folders.value = payload.folders || []
   clips.value = payload.clips || []
   stills.value = payload.stills || []
@@ -3515,6 +3547,9 @@ function applyLibrary(data: { folders?: LibraryFolder[]; clips?: LibraryClip[];
   if (payload.loraTriggers && typeof payload.loraTriggers === 'object') {
     loraTriggers.value = payload.loraTriggers
   }
+  if (payload.keepPrompts) {
+    keepPrompts.value = normalizeKeepPrompts(payload.keepPrompts)
+  }
   if (!folderId.value || !folders.value.some(folder => folder.id === folderId.value)) {
     folderId.value = folders.value[0]?.id || ''
   }
@@ -3524,7 +3559,7 @@ 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>; loraTriggers?: 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>; keepPrompts?: KeepPromptLists }>(light ? '/api/library?light=1' : '/api/library')
   applyLibrary(data)
   if (light) return
   const queued = await $fetch<{ pendingCount?: number }>('/api/queues').catch(() => ({ pendingCount: 0 }))
@@ -3996,6 +4031,19 @@ async function saveLoraTrigger(name: string, trigger: string) {
   }
 }
 
+function insertKeepPrompt(item: KeepPrompt) {
+  prompt.value = insertKeepSnippet(prompt.value, item.text)
+}
+
+function insertKeepExtend(item: KeepPrompt) {
+  extendPrompt.value = insertKeepSnippet(extendPrompt.value, item.text)
+}
+
+function insertKeepIntoExtension(id: string, item: KeepPrompt) {
+  const row = extensionQueue.value.find(entry => entry.id === id)
+  if (row) row.prompt = insertKeepSnippet(row.prompt, item.text)
+}
+
 function insertLoraTrigger(phrase: string, target: 'main' | 'extend' | { shot: number } | { extensionId: string } = 'main') {
   const token = String(phrase || '').trim()
   if (!token) return

server/api/library/keep-prompts.put.ts

@@ -0,0 +1,11 @@
+import { libraryOwnerKey, publicLibrary, setKeepPrompts } from '~/server/utils/library'
+import { parseKeepPromptKind } from '~/utils/keepPrompts'
+
+export default defineEventHandler(async (event) => {
+  const body = await readBody<{ kind?: unknown; items?: unknown }>(event)
+  const kind = parseKeepPromptKind(body?.kind)
+  if (!kind) throw createError({ statusCode: 400, statusMessage: 'Kind must be video or image' })
+  const owner = libraryOwnerKey(event)
+  await setKeepPrompts(owner, kind, body?.items)
+  return publicLibrary(event)
+})

server/utils/library.ts

@@ -10,6 +10,13 @@ import { normalizePermanenceRefs, type PermanenceRef } from '~/utils/globalLocks
 import { normalizeStillSettings, type StillGenerationSettings } from '~/utils/libraryGeneration'
 import { buildOutputBaseName, nextUniqueName, normalizeLoraAliases, sanitizeLoraAlias } from '~/utils/outputNames'
 import { loraIdentityKey, normalizeLoraTriggers, sanitizeLoraTrigger, type LoraStackItem } from '~/utils/loras'
+import {
+  emptyKeepPrompts,
+  normalizeKeepPromptList,
+  normalizeKeepPrompts,
+  type KeepPromptKind,
+  type KeepPromptLists
+} from '~/utils/keepPrompts'
 
 const scryptAsync = promisify(scrypt)
 
@@ -132,6 +139,7 @@ interface Catalog {
   drafts: RetryDraft[]
   loraAliases: Record<string, string>
   loraTriggers: Record<string, string>
+  keepPrompts: KeepPromptLists
 }
 
 const writeChains = new Map<string, Promise<unknown>>()
@@ -172,7 +180,8 @@ function emptyCatalog(): Catalog {
     stills: [],
     drafts: [],
     loraAliases: {},
-    loraTriggers: {}
+    loraTriggers: {},
+    keepPrompts: emptyKeepPrompts()
   }
 }
 
@@ -233,7 +242,8 @@ function normalizeCatalog(parsed: Partial<Catalog> & { passwordHash?: string | n
     stills: Array.isArray(parsed.stills) ? parsed.stills.map(normalizeStill) : [],
     drafts: Array.isArray(parsed.drafts) ? parsed.drafts : [],
     loraAliases: normalizeLoraAliases(parsed.loraAliases),
-    loraTriggers: normalizeLoraTriggers(parsed.loraTriggers)
+    loraTriggers: normalizeLoraTriggers(parsed.loraTriggers),
+    keepPrompts: normalizeKeepPrompts(parsed.keepPrompts)
   }
 }
 
@@ -390,6 +400,15 @@ export function getLoraTriggers(owner: string) {
   return { ...(readCatalog(owner).loraTriggers || {}) }
 }
 
+export async function setKeepPrompts(owner: string, kind: KeepPromptKind, items: unknown) {
+  const list = normalizeKeepPromptList(items)
+  return mutate(owner, (catalog) => {
+    if (!catalog.keepPrompts) catalog.keepPrompts = emptyKeepPrompts()
+    catalog.keepPrompts[kind] = list
+    return { ...catalog.keepPrompts }
+  })
+}
+
 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' })
@@ -506,7 +525,8 @@ export function publicLibrary(event: H3Event, opts?: { light?: boolean }) {
       .map(still => ({ ...still, role: stillRole(still) })),
     drafts: catalog.drafts,
     loraAliases: catalog.loraAliases || {},
-    loraTriggers: catalog.loraTriggers || {}
+    loraTriggers: catalog.loraTriggers || {},
+    keepPrompts: catalog.keepPrompts || emptyKeepPrompts()
   }
 }
 

utils/keepPrompts.ts

@@ -0,0 +1,85 @@
+export type KeepPromptKind = 'video' | 'image'
+
+export type KeepPrompt = {
+  id: string
+  label: string
+  text: string
+}
+
+export type KeepPromptLists = {
+  video: KeepPrompt[]
+  image: KeepPrompt[]
+}
+
+export const KEEP_PROMPT_MAX = 40
+export const KEEP_PROMPT_TEXT_MAX = 500
+export const KEEP_PROMPT_LABEL_MAX = 40
+
+export function emptyKeepPrompts(): KeepPromptLists {
+  return { video: [], image: [] }
+}
+
+export function sanitizeKeepPromptText(raw: unknown) {
+  return String(raw || '')
+    .replace(/\r\n/g, '\n')
+    .replace(/[\0\r]/g, '')
+    .trim()
+    .slice(0, KEEP_PROMPT_TEXT_MAX)
+}
+
+export function sanitizeKeepPromptLabel(raw: unknown, fallback = '') {
+  const label = String(raw || '').replace(/\s+/g, ' ').trim().slice(0, KEEP_PROMPT_LABEL_MAX)
+  if (label) return label
+  const fromText = sanitizeKeepPromptText(fallback).replace(/\s+/g, ' ').slice(0, KEEP_PROMPT_LABEL_MAX)
+  return fromText
+}
+
+function normalizeItem(raw: unknown): KeepPrompt | null {
+  if (!raw || typeof raw !== 'object') return null
+  const rec = raw as Record<string, unknown>
+  const text = sanitizeKeepPromptText(rec.text)
+  if (!text) return null
+  const id = String(rec.id || '').trim() || crypto.randomUUID()
+  return {
+    id,
+    label: sanitizeKeepPromptLabel(rec.label, text),
+    text
+  }
+}
+
+export function normalizeKeepPromptList(raw: unknown): KeepPrompt[] {
+  if (!Array.isArray(raw)) return []
+  const seen = new Set<string>()
+  const out: KeepPrompt[] = []
+  for (const entry of raw) {
+    if (out.length >= KEEP_PROMPT_MAX) break
+    const item = normalizeItem(entry)
+    if (!item || seen.has(item.id)) continue
+    seen.add(item.id)
+    out.push(item)
+  }
+  return out
+}
+
+export function normalizeKeepPrompts(raw: unknown): KeepPromptLists {
+  if (!raw || typeof raw !== 'object' || Array.isArray(raw)) return emptyKeepPrompts()
+  const rec = raw as Record<string, unknown>
+  return {
+    video: normalizeKeepPromptList(rec.video),
+    image: normalizeKeepPromptList(rec.image)
+  }
+}
+
+export function parseKeepPromptKind(raw: unknown): KeepPromptKind | '' {
+  return raw === 'video' || raw === 'image' ? raw : ''
+}
+
+export function insertKeepSnippet(text: string, snippet: string) {
+  const src = String(text || '')
+  const token = sanitizeKeepPromptText(snippet)
+  if (!token) return src
+  if (src.includes(token)) return src
+  if (!src.trim()) return token
+  const needsBreak = !/\n$/.test(src)
+  return needsBreak ? `${src.trimEnd()}\n${token}` : `${src}${token}`
+}