Copy generated stills into Input without loading the current frame.

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

pages/index.vue

@@ -1384,6 +1384,15 @@
             >
               Use the image I just generated as input
             </button>
+            <button
+              v-if="canUseGeneratedStill"
+              type="button"
+              class="inline-flex rounded-2xl border border-white/15 px-4 py-2 text-sm hover:border-amber-300/50 disabled:cursor-not-allowed disabled:opacity-50"
+              :disabled="keepingInputBusy"
+              @click="saveEditAsInput"
+            >
+              {{ keepingInputBusy ? 'Saving…' : 'Save as input' }}
+            </button>
           </div>
           <div v-if="extendOpen" class="mt-4 space-y-4 rounded-2xl border border-white/10 bg-zinc-950/50 p-4">
             <div class="flex items-start justify-between gap-3">
@@ -1532,6 +1541,14 @@
             >
               Use as input still
             </button>
+            <button
+              type="button"
+              class="inline-flex rounded-2xl border border-white/15 px-4 py-2 text-sm hover:border-amber-300/50 disabled:cursor-not-allowed disabled:opacity-50"
+              :disabled="keepingInputBusy"
+              @click="saveEditAsInput"
+            >
+              {{ keepingInputBusy ? 'Saving…' : 'Save as input' }}
+            </button>
             <button
               type="button"
               class="inline-flex rounded-2xl border border-amber-300/40 px-4 py-2 text-sm text-amber-100 hover:border-amber-300/70"
@@ -1903,6 +1920,13 @@
                       </button>
                       <button type="button" class="text-xs text-amber-300" @click="openStill(entry.stillGroup.head)">Open</button>
                       <button type="button" class="text-xs text-amber-300" @click="useStillAsInput(entry.stillGroup.head)">Use as input</button>
+                      <button
+                        v-if="entry.stillGroup.head.role !== 'input'"
+                        type="button"
+                        class="text-xs text-amber-300"
+                        :disabled="keepingInputBusy"
+                        @click="saveStillAsInput(entry.stillGroup.head)"
+                      >Save as input</button>
                       <button type="button" class="text-xs text-zinc-400" @click="toggleDetails(entry.key)">
                         {{ expandedDetails[entry.key] ? 'Hide details' : 'Details' }}
                       </button>
@@ -1972,6 +1996,13 @@
                       <div class="mt-1.5 flex flex-wrap items-center gap-3">
                         <button type="button" class="text-xs text-amber-300" @click="openStill(item)">Open</button>
                         <button type="button" class="text-xs text-amber-300" @click="useStillAsInput(item)">Use as input</button>
+                        <button
+                          v-if="item.role !== 'input'"
+                          type="button"
+                          class="text-xs text-amber-300"
+                          :disabled="keepingInputBusy"
+                          @click="saveStillAsInput(item)"
+                        >Save as input</button>
                         <button type="button" class="text-xs text-zinc-400" @click="toggleDetails(item.id)">
                           {{ expandedDetails[item.id] ? 'Hide details' : 'Details' }}
                         </button>
@@ -2395,6 +2426,7 @@ const editLightbox = ref<HTMLElement | null>(null)
 const editLightboxUrl = ref('')
 const file = ref<File | null>(null)
 const inputStillId = ref('')
+const keepingInputBusy = ref(false)
 const renamingInputStill = ref(false)
 const inputStillNameDraft = ref('')
 const inputStillRenameEl = ref<HTMLInputElement | null>(null)
@@ -5850,6 +5882,44 @@ function stillUseAsInputMessage(still: LibraryStill) {
   return 'Loaded as input. It stays in Output, not the upload library.'
 }
 
+async function saveStillAsInput(still: Pick<LibraryStill, 'id'>) {
+  if (keepingInputBusy.value) return
+  keepingInputBusy.value = true
+  try {
+    applyLibrary(await $fetch(`/api/library/stills/${still.id}/keep-input`, { method: 'POST' }))
+    toast('Saved to Input. Pick it later from Choose an image → Input.')
+  } catch (error: any) {
+    toast(error?.data?.statusMessage || 'Could not save that still as input')
+  } finally {
+    keepingInputBusy.value = false
+  }
+}
+
+async function saveEditAsInput() {
+  const stillId = stillIdFromLibraryUrl(editResultUrl.value)
+  if (stillId) {
+    await saveStillAsInput({ id: stillId })
+    return
+  }
+  if (!editResultUrl.value) return
+  if (keepingInputBusy.value) return
+  keepingInputBusy.value = true
+  try {
+    const blob = await $fetch<Blob>(editResultUrl.value, { responseType: 'blob' })
+    if (!blob?.size) throw new Error('empty still')
+    const body = new FormData()
+    body.append('image', new File([blob], `${editDownloadName.value || 'edited'}.png`, { type: blob.type || 'image/png' }))
+    body.append('folderId', folderId.value)
+    body.append('hideInput', String(hideInputPreview.value))
+    applyLibrary(await $fetch('/api/library/stills', { method: 'POST', body }))
+    toast('Saved to Input. Pick it later from Choose an image → Input.')
+  } catch (error: any) {
+    toast(error?.data?.statusMessage || 'Could not save that still as input')
+  } finally {
+    keepingInputBusy.value = false
+  }
+}
+
 async function useStillAsInput(still: LibraryStill) {
   try {
     applyStillSettings(still)

pages/library.vue

@@ -245,6 +245,13 @@
           <div class="mt-4 flex flex-wrap gap-2">
             <button type="button" class="rounded-full border border-amber-300/40 px-3 py-1.5 text-xs text-amber-100" @click="openInStudio(focused)">Open in Studio</button>
             <button type="button" class="rounded-full border border-white/10 px-3 py-1.5 text-xs text-zinc-300 hover:text-white" @click="useInStudio(focused)">Use as input</button>
+            <button
+              v-if="focused.kind === 'still' && focusedStillRole !== 'input'"
+              type="button"
+              class="rounded-full border border-white/10 px-3 py-1.5 text-xs text-zinc-300 hover:text-white"
+              :disabled="keepingInputBusy"
+              @click="saveFocusedAsInput"
+            >{{ keepingInputBusy ? 'Saving…' : 'Save as input' }}</button>
             <a
               v-if="downloadHref"
               :href="downloadHref"
@@ -374,6 +381,7 @@ const renameInput = ref<HTMLInputElement | null>(null)
 const deleteBusy = ref(false)
 const detailsHidden = ref(false)
 const pendingDelete = ref<{ title: string; name: string; detail?: string; consequence: string; keys: string[] } | null>(null)
+const keepingInputBusy = ref(false)
 const toasts = ref<Array<{ id: number; message: string }>>([])
 let toastId = 0
 let searchTimer: ReturnType<typeof setTimeout> | null = null
@@ -420,6 +428,11 @@ const folderChipCounts = computed(() => {
 })
 const moveFolders = computed(() => folders.value.filter(folder => folder.id !== folderId.value))
 const focused = computed(() => entries.value.find(entry => entry.key === focusedKey.value) || null)
+const focusedStill = computed(() => {
+  if (focused.value?.kind !== 'still' || !focused.value.stillGroup) return null
+  return focused.value.stillGroup.parts.find(part => part.id === focusedPartId.value) || focused.value.stillGroup.head
+})
+const focusedStillRole = computed(() => focusedStill.value?.role === 'input' ? 'input' : (focusedStill.value ? (focusedStill.value.role || 'output') : ''))
 const emptyLabel = computed(() => {
   if (search.value.trim()) return 'Nothing matches that search.'
   if (filter.value === 'images') return 'No generated stills here yet.'
@@ -716,6 +729,20 @@ function useInStudio(entry: LibraryEntry) {
   }
 }
 
+async function saveFocusedAsInput() {
+  const still = focusedStill.value
+  if (!still || keepingInputBusy.value) return
+  keepingInputBusy.value = true
+  try {
+    applyLibrary(await $fetch(`/api/library/stills/${still.id}/keep-input`, { method: 'POST' }))
+    toast('Saved to Input. Pick it later from Choose an image → Input.')
+  } catch (error: any) {
+    toast(error?.data?.statusMessage || 'Could not save that still as input')
+  } finally {
+    keepingInputBusy.value = false
+  }
+}
+
 function startRename() {
   if (!focused.value) return
   renaming.value = true