Highlight the library row that is open in Output.

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

pages/index.vue

@@ -1529,8 +1529,10 @@
               <li
                 v-for="entry in libraryEntries"
                 :key="entry.key"
-                class="rounded-2xl border p-3"
+                class="cursor-pointer rounded-2xl border p-3"
-                :class="selectedKeys.includes(entry.key) ? 'border-amber-300/30 bg-amber-400/5' : 'border-white/5 bg-zinc-950/40'"
+                :class="libraryEntryClass(entry)"
+                :aria-current="isLibraryEntryFocused(entry) ? 'true' : undefined"
+                @click="onLibraryCardClick(entry, $event)"
               >
                 <template v-if="entry.kind === 'clip'">
                 <div class="flex gap-3">
@@ -1632,7 +1634,10 @@
                   <li
                     v-for="(item, partIndex) in chronologicalParts(entry.group.parts)"
                     :key="item.id"
-                    class="flex flex-wrap items-start gap-3 rounded-xl border border-white/5 bg-black/20 p-2"
+                    class="flex cursor-pointer flex-wrap items-start gap-3 rounded-xl border p-2"
+                    :class="item.id === reviewingClipId ? 'border-amber-300/80 bg-amber-400/15 ring-1 ring-amber-300/60' : 'border-white/5 bg-black/20'"
+                    :aria-current="item.id === reviewingClipId ? 'true' : undefined"
+                    @click="onLibraryClipPartClick(item, $event)"
                   >
                     <ClipFrameThumbs
                       :hidden="item.hideThumbnail"
@@ -1794,7 +1799,10 @@
                   <li
                     v-for="item in chronologicalStills(entry.stillGroup.parts)"
                     :key="item.id"
-                    class="flex gap-3 rounded-xl border border-white/5 bg-black/20 p-2"
+                    class="flex cursor-pointer gap-3 rounded-xl border p-2"
+                    :class="item.id === reviewingStillId ? 'border-amber-300/80 bg-amber-400/15 ring-1 ring-amber-300/60' : 'border-white/5 bg-black/20'"
+                    :aria-current="item.id === reviewingStillId ? 'true' : undefined"
+                    @click="onLibraryStillPartClick(item, $event)"
                   >
                     <button type="button" class="relative h-12 w-12 shrink-0 overflow-hidden rounded-lg bg-zinc-900" @click="openStill(item)">
                       <span v-if="item.hideInput" class="sensitive-glow block h-full w-full" />
@@ -2962,6 +2970,53 @@ const libraryEntries = computed(() => {
     }))
   return [...videos, ...images].sort((a, b) => b.createdAt - a.createdAt)
 })
+const reviewingClipId = computed(() => {
+  if (outputPreviewKind.value !== 'video' || lockedSave.value) return ''
+  const fromUrl = String(videoUrl.value || '').match(/\/api\/library\/clips\/([^/?#]+)\/video/)
+  return currentClipId.value || fromUrl?.[1] || ''
+})
+const reviewingStillId = computed(() => {
+  if (outputPreviewKind.value !== 'edit' || editLockedSave.value) return ''
+  return stillIdFromLibraryUrl(editResultUrl.value)
+})
+type LibraryEntry = (typeof libraryEntries.value)[number]
+function isLibraryEntryFocused(entry: LibraryEntry) {
+  if (entry.kind === 'clip' && reviewingClipId.value) {
+    return entry.group.parts.some(part => part.id === reviewingClipId.value)
+  }
+  if (entry.kind === 'still' && reviewingStillId.value && entry.stillGroup) {
+    return entry.stillGroup.parts.some(part => part.id === reviewingStillId.value)
+  }
+  return false
+}
+function libraryEntryClass(entry: LibraryEntry) {
+  if (isLibraryEntryFocused(entry)) {
+    return 'border-amber-300 bg-amber-400/15 ring-2 ring-amber-300/70'
+  }
+  if (selectedKeys.value.includes(entry.key)) {
+    return 'border-amber-300/30 bg-amber-400/5'
+  }
+  return 'border-white/5 bg-zinc-950/40'
+}
+function libraryClickIgnored(event: MouseEvent) {
+  const target = event.target as HTMLElement | null
+  return Boolean(target?.closest('button, a, input, select, textarea, label'))
+}
+function onLibraryCardClick(entry: LibraryEntry, event: MouseEvent) {
+  if (libraryClickIgnored(event)) return
+  if (entry.kind === 'clip') openClip(entry.group.head)
+  else if (entry.stillGroup) openStill(entry.stillGroup.head)
+}
+function onLibraryClipPartClick(item: LibraryClip, event: MouseEvent) {
+  event.stopPropagation()
+  if (libraryClickIgnored(event)) return
+  openClip(item)
+}
+function onLibraryStillPartClick(item: LibraryStill, event: MouseEvent) {
+  event.stopPropagation()
+  if (libraryClickIgnored(event)) return
+  openStill(item)
+}
 const libraryEmptyLabel = computed(() => {
   if (libraryFilter.value === 'images') return 'No generated stills in this folder yet.'
   if (libraryFilter.value === 'videos') return 'No generated clips in this folder yet.'