diff --git a/components/DurationField.vue b/components/DurationField.vue
index d34421d..d2b284f 100644
--- a/components/DurationField.vue
+++ b/components/DurationField.vue
@@ -20,6 +20,7 @@
     <div class="mt-3">
       <Thumbwheel
         :model-value="slider"
+        lock-key="duration"
         :min="SLIDER_MIN"
         :max="SLIDER_MAX"
         :step="0.1"
diff --git a/components/ImageBatchModal.vue b/components/ImageBatchModal.vue
index 0b47c17..878787c 100644
--- a/components/ImageBatchModal.vue
+++ b/components/ImageBatchModal.vue
@@ -2,13 +2,14 @@
   <Teleport to="body">
     <div
       v-if="open"
-      class="fixed inset-0 z-50 flex items-start justify-center overflow-y-auto bg-black/70 p-4 sm:p-8"
+      class="fixed inset-0 z-[80] flex items-start justify-center overflow-y-auto bg-black/70 p-4 sm:p-8"
       role="dialog"
       aria-modal="true"
       aria-label="Batch image prompts"
-      @click.self="close"
+      @pointerdown.self="onBackdrop"
+      @click.self="onBackdrop"
     >
-      <div class="glass flex w-full max-w-5xl flex-col rounded-3xl p-5 sm:p-6">
+      <div class="glass flex w-full max-w-5xl flex-col rounded-3xl p-5 sm:p-6" @pointerdown.stop @click.stop>
         <div class="flex items-start justify-between gap-3">
           <div>
             <h2 class="font-display text-2xl font-bold">Batch script</h2>
@@ -35,11 +36,10 @@
             <span class="mb-2 block font-medium text-zinc-300">Shot list</span>
             <textarea
               ref="textareaEl"
-              :value="text"
+              v-model="draft"
               rows="16"
               class="max-h-[min(36rem,55vh)] min-h-[16rem] 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"
               :placeholder="placeholder"
-              @input="onInput"
               @keydown.ctrl.enter.prevent="apply"
               @keydown.meta.enter.prevent="apply"
             />
@@ -100,11 +100,13 @@ const props = withDefaults(defineProps<{
 
 const emit = defineEmits<{
   close: []
-  apply: []
+  apply: [text: string]
   'update:text': [value: string]
 }>()
 
 const textareaEl = ref<HTMLTextAreaElement | null>(null)
+const draft = ref('')
+const ignoreBackdropUntil = ref(0)
 
 const placeholder = `shot 1
 Change her jacket to black leather.
@@ -115,7 +117,7 @@ Put her in a red dress.
 shot 3
 Make it night, city lights behind her.`
 
-const parsed = computed(() => parseImageBatchScript(props.text))
+const parsed = computed(() => parseImageBatchScript(draft.value))
 
 const applyLabel = computed(() => {
   const n = parsed.value.length
@@ -123,32 +125,43 @@ const applyLabel = computed(() => {
   return n === 1 ? 'Apply 1 prompt' : `Apply ${n} prompts`
 })
 
-function onInput(event: Event) {
-  emit('update:text', (event.target as HTMLTextAreaElement).value)
-}
-
 function close() {
   emit('close')
 }
 
+function onBackdrop() {
+  if (Date.now() < ignoreBackdropUntil.value) return
+  close()
+}
+
 function apply() {
-  if (!parsed.value.length) return
-  emit('apply')
+  const text = draft.value
+  if (!parseImageBatchScript(text).length) return
+  emit('update:text', text)
+  emit('apply', text)
 }
 
 function onKey(event: KeyboardEvent) {
   if (event.key === 'Escape') close()
 }
 
-watch(() => props.open, (open) => {
+watch(() => props.open, async (open) => {
   if (typeof document === 'undefined') return
   document.body.style.overflow = open ? 'hidden' : ''
-  if (open) {
-    document.addEventListener('keydown', onKey)
-    nextTick(() => textareaEl.value?.focus())
-  } else {
+  if (!open) {
     document.removeEventListener('keydown', onKey)
+    return
   }
+  ignoreBackdropUntil.value = Date.now() + 500
+  draft.value = props.text || ''
+  document.addEventListener('keydown', onKey)
+  await nextTick()
+  textareaEl.value?.focus()
+  if (draft.value.trim()) return
+  try {
+    const clip = await navigator.clipboard.readText()
+    if (clip.trim()) draft.value = clip
+  } catch { /* clipboard permission */ }
 })
 
 onBeforeUnmount(() => {
diff --git a/components/LoraSelect.vue b/components/LoraSelect.vue
index 0100840..ca62334 100644
--- a/components/LoraSelect.vue
+++ b/components/LoraSelect.vue
@@ -46,6 +46,7 @@
           <Thumbwheel
             :model-value="item.strengthModel"
             label="Model"
+            :lock-key="`lora-model:${item.name}`"
             :min="LORA_STRENGTH_MIN"
             :max="LORA_STRENGTH_MAX"
             :step="LORA_STRENGTH_STEP"
@@ -56,6 +57,7 @@
           <Thumbwheel
             :model-value="item.strengthClip"
             label="CLIP"
+            :lock-key="`lora-clip:${item.name}`"
             :min="LORA_STRENGTH_MIN"
             :max="LORA_STRENGTH_MAX"
             :step="LORA_STRENGTH_STEP"
diff --git a/components/Thumbwheel.vue b/components/Thumbwheel.vue
index 19dd255..06c7f2f 100644
--- a/components/Thumbwheel.vue
+++ b/components/Thumbwheel.vue
@@ -1,30 +1,61 @@
 <template>
   <div class="w-[6.5rem] min-w-0" :class="disabled ? 'opacity-50' : ''">
     <div v-if="label" class="mb-1.5 text-[10px] font-medium uppercase tracking-wider text-zinc-500">{{ label }}</div>
-    <div class="overflow-hidden rounded-2xl border border-white/10 bg-zinc-950">
-      <div class="border-b border-white/5">
-        <SegmentDigits :value="display" />
+    <div
+      class="overflow-hidden rounded-2xl border bg-zinc-950"
+      :class="locked ? 'border-amber-300/35' : 'border-white/10'"
+    >
+      <div class="flex items-stretch border-b border-white/5">
+        <div class="min-w-0 flex-1">
+          <SegmentDigits :value="display" />
+        </div>
+        <button
+          type="button"
+          class="flex w-7 shrink-0 items-center justify-center border-l transition"
+          :class="locked
+            ? 'border-amber-300/25 bg-amber-400/10 text-amber-300'
+            : 'border-white/5 text-zinc-600 hover:text-zinc-300'"
+          :aria-pressed="locked"
+          :aria-label="locked ? `Unlock ${dialName}` : `Lock ${dialName}`"
+          :title="locked ? 'Unlock — wheel and scroll will change this again' : 'Lock — keep this value while you scroll'"
+          @click.stop="toggleLock"
+          @pointerdown.stop
+        >
+          <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.6" class="h-3.5 w-3.5" aria-hidden="true">
+            <rect x="3.2" y="7.2" width="9.6" height="7" rx="1.4" />
+            <path
+              v-if="locked"
+              stroke-linecap="round"
+              d="M5.2 7.2V5.1a2.8 2.8 0 015.6 0v2.1"
+            />
+            <path
+              v-else
+              stroke-linecap="round"
+              d="M5.2 7.2V5.1a2.8 2.8 0 015.2-1.4"
+            />
+          </svg>
+        </button>
       </div>
       <div
         ref="root"
         class="thumbwheel relative w-full select-none"
         :class="[
           compact ? 'h-28' : 'h-36',
-          disabled ? 'pointer-events-none' : 'cursor-ns-resize'
+          frozen ? 'pointer-events-none cursor-default' : 'cursor-ns-resize'
         ]"
         role="slider"
         :aria-label="ariaLabel || label || 'Value'"
         :aria-valuemin="min"
         :aria-valuemax="max"
         :aria-valuenow="model"
-        :aria-disabled="disabled"
+        :aria-disabled="disabled || locked"
         tabindex="0"
         @pointerdown="onPointerDown"
-        @wheel.prevent="onWheel"
         @keydown="onKey"
       >
         <div
           class="thumbwheel-drum pointer-events-none absolute inset-y-1 left-1 right-8 overflow-hidden rounded-xl"
+          :class="locked ? 'opacity-40' : ''"
           :style="{ backgroundPositionY: `${drumShift}px` }"
         />
         <div class="pointer-events-none absolute inset-y-2 right-2.5 w-2.5 rounded-full bg-zinc-900 shadow-[inset_0_0_0_1px_rgba(255,255,255,0.08)]">
@@ -47,6 +78,7 @@ const props = withDefaults(defineProps<{
   coarseStep?: number
   label?: string
   ariaLabel?: string
+  lockKey?: string
   disabled?: boolean
   compact?: boolean
   digits?: number
@@ -56,6 +88,7 @@ const props = withDefaults(defineProps<{
   coarseStep: 1,
   label: '',
   ariaLabel: '',
+  lockKey: '',
   disabled: false,
   compact: false,
   digits: 1
@@ -63,12 +96,36 @@ const props = withDefaults(defineProps<{
 
 const model = defineModel<number>({ required: true })
 const root = ref<HTMLElement | null>(null)
+const locked = ref(false)
 
+const dialName = computed(() => props.label || props.ariaLabel || 'dial')
+const storeKey = computed(() => {
+  const id = (props.lockKey || props.label || props.ariaLabel || '').trim().toLowerCase()
+  return id ? `aigen-thumb-lock:${id}` : ''
+})
+const frozen = computed(() => props.disabled || locked.value)
 const span = computed(() => Math.max(props.max - props.min, 0.0001))
 const pct = computed(() => ((clamp(model.value) - props.min) / span.value) * 100)
 const display = computed(() => format(model.value))
 const drumShift = computed(() => Math.round((pct.value / 100) * 72))
 
+function readLock() {
+  if (!storeKey.value || typeof localStorage === 'undefined') return
+  try {
+    locked.value = localStorage.getItem(storeKey.value) === '1'
+  } catch {
+    locked.value = false
+  }
+}
+
+function toggleLock() {
+  locked.value = !locked.value
+  if (!storeKey.value || typeof localStorage === 'undefined') return
+  try {
+    localStorage.setItem(storeKey.value, locked.value ? '1' : '0')
+  } catch { /* ignore */ }
+}
+
 function clamp(value: number) {
   if (!Number.isFinite(value)) return props.min
   const step = props.step || 0.1
@@ -89,13 +146,14 @@ function nudge(delta: number) {
 }
 
 function onWheel(event: WheelEvent) {
-  if (props.disabled) return
+  if (frozen.value) return
+  event.preventDefault()
   const step = event.shiftKey ? props.coarseStep : props.fineStep
   nudge(event.deltaY < 0 ? step : -step)
 }
 
 function onKey(event: KeyboardEvent) {
-  if (props.disabled) return
+  if (frozen.value) return
   const step = event.shiftKey ? props.coarseStep : props.fineStep
   if (event.key === 'ArrowUp' || event.key === 'ArrowRight') {
     event.preventDefault()
@@ -113,7 +171,7 @@ function onKey(event: KeyboardEvent) {
 }
 
 function onPointerDown(event: PointerEvent) {
-  if (props.disabled || event.button !== 0) return
+  if (frozen.value || event.button !== 0) return
   const el = root.value
   if (!el) return
   event.preventDefault()
@@ -134,6 +192,16 @@ function onPointerDown(event: PointerEvent) {
   el.addEventListener('pointerup', onUp)
   el.addEventListener('pointercancel', onUp)
 }
+
+onMounted(() => {
+  readLock()
+  const el = root.value
+  if (!el) return
+  el.addEventListener('wheel', onWheel, { passive: false })
+  onBeforeUnmount(() => el.removeEventListener('wheel', onWheel))
+})
+
+watch(storeKey, readLock)
 </script>
 
 <style scoped>
diff --git a/pages/index.vue b/pages/index.vue
index 3046f81..16ff8eb 100644
--- a/pages/index.vue
+++ b/pages/index.vue
@@ -362,12 +362,11 @@
             <button
               v-if="imagePassMode === 'batch'"
               type="button"
-              class="w-full rounded-2xl border border-dashed px-4 py-2.5 text-left text-sm transition"
+              class="w-full scroll-mt-24 rounded-2xl border border-dashed px-4 py-2.5 text-left text-sm transition"
               :class="imageBatchScript.trim()
                 ? 'border-amber-300/40 bg-amber-400/5 text-amber-100 hover:border-amber-300'
                 : 'border-white/15 text-zinc-300 hover:border-amber-300/40 hover:text-amber-100'"
-              :disabled="editBusy"
-              @click="openImageBatchModal"
+              @click.stop.prevent="openImageBatchModal"
             >
               <span class="block font-semibold">{{ imageBatchScript.trim() ? 'Edit batch script' : 'Paste batch script' }}</span>
               <span class="text-[11px] leading-snug text-zinc-400">{{ imageBatchButtonHint }}</span>
@@ -796,6 +795,7 @@
               <span class="mb-1 block text-zinc-300">Strength (denoise)</span>
               <Thumbwheel
                 v-model="v2Denoise"
+                lock-key="v2-denoise"
                 :min="IMAGE_V2_DENOISE_MIN"
                 :max="IMAGE_V2_DENOISE_MAX"
                 :step="IMAGE_V2_DENOISE_STEP"
@@ -857,6 +857,7 @@
               <Thumbwheel
                 v-model="v2Megapixels"
                 aria-label="Megapixels"
+                lock-key="megapixels"
                 :min="IMAGE_SCALE_MP_MIN"
                 :max="IMAGE_SCALE_MP_MAX"
                 :step="IMAGE_SCALE_MP_STEP"
@@ -5879,23 +5880,38 @@ function reconstructImageBatchScript() {
 
 function openImageBatchModal() {
   imageBatchDraft.value = reconstructImageBatchScript()
-  imageBatchOpen.value = true
+  requestAnimationFrame(() => {
+    imageBatchOpen.value = true
+  })
 }
 
-function applyImageBatch() {
-  const shots = parseImageBatchScript(imageBatchDraft.value)
+function applyImageBatch(text?: string) {
+  const src = String(text ?? imageBatchDraft.value)
+  const shots = parseImageBatchScript(src)
   if (!shots.length) {
     toast('Paste at least one prompt. Put shot 1, shot 2 on their own lines.')
     return
   }
   imagePassMode.value = 'batch'
-  imageBatchScript.value = imageBatchDraft.value
+  imageBatchDraft.value = src
+  imageBatchScript.value = src
   prompt.value = shots[0].prompt
   editPassQueue.value = shots.slice(1).map(item => ({ id: crypto.randomUUID(), prompt: item.prompt }))
   imageBatchOpen.value = false
   toast(shots.length === 1 ? 'Loaded 1 prompt' : `Loaded ${shots.length} prompts on the start still`)
 }
 
+function absorbPastedImageBatch() {
+  if (imagePassMode.value !== 'batch') return
+  if (!(studioMode.value === 'edit' || v2PassChaining.value)) return
+  if (editPassQueue.value.length) return
+  const shots = parseImageBatchScript(prompt.value)
+  if (shots.length < 2) return
+  imageBatchScript.value = prompt.value
+  prompt.value = shots[0].prompt
+  editPassQueue.value = shots.slice(1).map(item => ({ id: crypto.randomUUID(), prompt: item.prompt }))
+}
+
 function imagePassUnit() {
   return imagePassMode.value === 'batch' ? 'Batch' : 'Pass'
 }
@@ -5922,6 +5938,7 @@ async function editImage() {
     toast('Choose a library folder before editing.')
     return
   }
+  absorbPastedImageBatch()
   const extraPasses = editPassQueue.value.map(item => ({ prompt: item.prompt.trim() }))
   const hideOut = hideThumbnail.value
   try {
@@ -6137,6 +6154,7 @@ async function editImageV2() {
     toast('Each extra pass needs a prompt.')
     return
   }
+  absorbPastedImageBatch()
   const extraPasses = v2PassChaining.value ? editPassQueue.value.map(item => ({ prompt: item.prompt.trim() })) : []
   const hideOut = hideThumbnail.value
   try {