fix: sync side gallery with active asset panel

src/app/globals.css

@@ -961,6 +961,54 @@ input, textarea {
   display: none;
 }
 
+.gallery-rail-thumb {
+  box-shadow: 0 12px 32px -22px rgba(230, 245, 120, 0.65);
+}
+
+.gallery-rail-thumb:hover,
+.gallery-rail-thumb:focus-visible {
+  outline: none;
+  transform: translateX(-2px);
+  box-shadow:
+    0 0 0 1px rgba(230, 245, 120, 0.45),
+    0 18px 42px -24px rgba(230, 245, 120, 0.82);
+}
+
+.gallery-rail-empty,
+.gallery-empty-state {
+  display: grid;
+  min-height: 88px;
+  place-items: center;
+  border-radius: 8px;
+  border: 1px dashed rgba(255, 255, 255, 0.12);
+  background: rgba(0, 0, 0, 0.16);
+  color: rgba(255, 255, 255, 0.34);
+  font-size: 10px;
+  text-align: center;
+}
+
+.gallery-center-preview {
+  position: fixed;
+  z-index: 96;
+  left: 50%;
+  top: 50%;
+  pointer-events: none;
+  transform: translate(-50%, -50%);
+  border-radius: 8px;
+  background: #fff;
+  padding: 10px;
+  box-shadow:
+    0 34px 110px -28px rgba(0, 0, 0, 0.92),
+    0 0 0 1px rgba(255, 255, 255, 0.22);
+}
+
+.gallery-center-preview img {
+  display: block;
+  width: min(74vw, 960px);
+  height: 82vh;
+  object-fit: contain;
+}
+
 .gallery-backdrop {
   position: fixed;
   inset: 0;
@@ -993,6 +1041,36 @@ input, textarea {
   transform: translateX(0);
 }
 
+.gallery-drawer-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
+  gap: 14px;
+  align-items: start;
+}
+
+.gallery-drawer-card {
+  min-width: 0;
+  border-radius: 8px;
+  background: rgba(255, 255, 255, 0.045);
+  padding: 10px;
+  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
+}
+
+.gallery-drawer-card__image {
+  display: grid;
+  place-items: center;
+  overflow: hidden;
+  border-radius: 8px;
+  background: #fff;
+}
+
+.gallery-drawer-card__image img {
+  display: block;
+  width: 100%;
+  height: 100%;
+  object-fit: contain;
+}
+
 .result-grid {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));

src/app/page.tsx

@@ -109,11 +109,13 @@ function ProjectPackOverview({
   primaryImage,
   loadingKind,
   onGeneratePack,
+  onOpenPack,
 }: {
   session: GenSession;
   primaryImage: GenImage | null;
   loadingKind: PackKind | null;
   onGeneratePack: (image: GenImage, kind: PackKind) => void;
+  onOpenPack: (kind: PackKind) => void;
 }) {
   if (!primaryImage) return null;
   const sourceImage = primaryImage;
@@ -175,7 +177,7 @@ function ProjectPackOverview({
                   type="button"
                   className="project-pack-jump"
                   title="查看明细"
-                  onClick={() => document.getElementById(`pack-${kind}`)?.scrollIntoView({ behavior: 'smooth', block: 'start' })}
+                  onClick={() => onOpenPack(kind)}
                 >
                   <svg width="11" height="11" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2.5">
                     <path d="M9 6l6 6-6 6" strokeLinecap="round" />
@@ -196,12 +198,14 @@ function ProjectBrief({
   characterLoading,
   onGeneratePack,
   onLockCharacter,
+  onOpenPack,
 }: {
   session: GenSession;
   loadingKind: PackKind | null;
   characterLoading: boolean;
   onGeneratePack: (image: GenImage, kind: PackKind) => void;
   onLockCharacter: (image: GenImage) => void;
+  onOpenPack: (kind: PackKind) => void;
 }) {
   const selectedImages = session.images.filter(image => image.status === 'selected');
   const primaryImage = selectedImages[0] ?? session.images[0] ?? null;
@@ -274,6 +278,7 @@ function ProjectBrief({
         primaryImage={primaryImage}
         loadingKind={loadingKind}
         onGeneratePack={onGeneratePack}
+        onOpenPack={onOpenPack}
       />
 
       {session.characterSpec ? (
@@ -335,6 +340,7 @@ export default function Home() {
   const [uploadLoading, setUploadLoading] = useState(false);
   const [provider, setProvider] = useState<string>('?');
   const [sidebarOpen, setSidebarOpen] = useState(true);
+  const [activeAssetPanel, setActiveAssetPanel] = useState('pack-patent');
 
   const refreshSessions = useCallback(async () => {
     const r = await fetch('/api/sessions');
@@ -344,6 +350,7 @@ export default function Home() {
   }, []);
 
   useEffect(() => { refreshSessions(); }, [refreshSessions]);
+  useEffect(() => { setActiveAssetPanel('pack-patent'); }, [current?.id]);
 
   async function handleGenerate(opts: { prompt: string; refImages: string[]; count: number; style?: string }) {
     setLoading(true);
@@ -634,16 +641,23 @@ export default function Home() {
                     characterLoading={characterLoading}
                     onGeneratePack={handleGeneratePack}
                     onLockCharacter={handleLockCharacter}
+                    onOpenPack={kind => setActiveAssetPanel(`pack-${kind}`)}
                   />
                   <section className="project-production-panel">
                     <PackPanel
                       session={current}
+                      activeNav={activeAssetPanel}
+                      onActiveNavChange={setActiveAssetPanel}
                       videoLoading={videoLoading}
                       onRegenerateAsset={handleRegenerateAsset}
                       onGenerateVideo={handleGenerateVideo}
                     />
                   </section>
-                  <ProjectGalleryDrawer session={current} onAction={handleAction} />
+                  <ProjectGalleryDrawer
+                    session={current}
+                    activeNav={activeAssetPanel}
+                    onAction={handleAction}
+                  />
                 </div>
               </section>
             )}

src/components/PackPanel.tsx

@@ -513,16 +513,19 @@ function packPanelState(packs: AssetPack[], kind: PackKind, primaryImageId: stri
 
 export default function PackPanel({
   session,
+  activeNav,
+  onActiveNavChange,
   videoLoading,
   onRegenerateAsset,
   onGenerateVideo,
 }: {
   session: GenSession;
+  activeNav: string;
+  onActiveNavChange: (id: string) => void;
   videoLoading: boolean;
   onRegenerateAsset: (assetId: string, userRefinement?: string) => Promise<void>;
   onGenerateVideo: (image: GenImage, template: typeof VIDEO_TEMPLATES[number]) => void;
 }) {
-  const [activeNav, setActiveNav] = useState('pack-patent');
   const selectedImages = session.images.filter(image => image.status === 'selected');
   const primaryImage = selectedImages[0] ?? null;
   const packs = session.packs ?? [];
@@ -563,7 +566,7 @@ export default function PackPanel({
           </div>
           <span className="shrink-0 text-[10px] text-white/35">查看与单张重做</span>
         </div>
-        <SectionNav active={activeNav} onChange={setActiveNav} />
+        <SectionNav active={activeNav} onChange={onActiveNavChange} />
       </section>
 
       <div className="pack-scroll min-h-0 flex-1 overflow-y-auto pr-1" key={activeNav}>

src/components/ProjectGalleryDrawer.tsx

@@ -2,24 +2,103 @@
 
 import { useEffect, useState } from 'react';
 import { createPortal } from 'react-dom';
-import type { GenSession } from '@/lib/types';
+import { PACK_LABELS, PACK_ORDER, PACK_TEMPLATES } from '@/lib/templates';
+import type { GenSession, PackKind } from '@/lib/types';
 import ResultGrid from './ResultGrid';
 
 export type ProjectGalleryDrawerProps = {
   session: GenSession;
+  activeNav: string;
   onAction: (imageId: string, action: 'select' | 'reject' | 'reset') => void;
 };
 
-function statusClass(status: string) {
+type GalleryItem = {
+  id: string;
+  url: string;
+  title: string;
+  description?: string;
+  status?: string;
+  aspectRatio?: string;
+};
+
+type GalleryPanel = {
+  mode: 'pack' | 'empty' | 'project';
+  label: string;
+  description: string;
+  total: number;
+  images: GalleryItem[];
+};
+
+function statusClass(status?: string) {
   if (status === 'selected') return 'ring-[#e6f578]/80 shadow-[0_0_24px_-12px_rgba(230,245,120,0.9)]';
   if (status === 'rejected') return 'opacity-45 grayscale ring-white/10';
   return 'ring-white/12 hover:ring-white/28';
 }
 
-export default function ProjectGalleryDrawer({ session, onAction }: ProjectGalleryDrawerProps) {
+function aspectCss(aspectRatio?: string) {
+  if (!aspectRatio) return '1 / 1';
+  if (aspectRatio === 'long') return '1 / 3';
+  return aspectRatio.replace(':', ' / ');
+}
+
+function activeKindFromNav(activeNav: string): PackKind | null {
+  const kind = PACK_ORDER.find(item => activeNav === `pack-${item}`);
+  return kind ?? null;
+}
+
+function galleryForPanel(session: GenSession, activeNav: string): GalleryPanel {
+  const kind = activeKindFromNav(activeNav);
+  const selectedImages = session.images.filter(image => image.status === 'selected');
+  const primaryImage = selectedImages[0] ?? session.images[0] ?? null;
+
+  if (kind) {
+    const pack = session.packs?.find(item => item.kind === kind && (!primaryImage || item.sourceImageId === primaryImage.id))
+      ?? session.packs?.find(item => item.kind === kind);
+    const images: GalleryItem[] = pack?.assets.map(asset => ({
+      id: asset.id,
+      url: asset.url,
+      title: asset.title,
+      description: asset.description,
+      status: asset.status,
+      aspectRatio: asset.aspectRatio,
+    })) ?? [];
+    return {
+      mode: 'pack' as const,
+      label: PACK_LABELS[kind],
+      description: `${PACK_LABELS[kind]}当前区块图片`,
+      total: PACK_TEMPLATES[kind].length,
+      images,
+    };
+  }
+
+  if (activeNav === 'pack-text') {
+    return { mode: 'empty' as const, label: '文字', description: '文字区块暂无图片素材', total: 0, images: [] as GalleryItem[] };
+  }
+  if (activeNav === 'pack-video') {
+    return { mode: 'empty' as const, label: '视频', description: '视频区块暂无图片素材', total: 0, images: [] as GalleryItem[] };
+  }
+
+  return {
+    mode: 'project',
+    label: '项目',
+    description: session.characterSpec?.name || session.prompt || '当前项目',
+    total: session.images.length,
+    images: session.images.map((image, index) => ({
+      id: image.id,
+      url: image.url,
+      title: `主图库 ${index + 1}`,
+      description: undefined,
+      status: image.status,
+      aspectRatio: '1:1',
+    })),
+  };
+}
+
+export default function ProjectGalleryDrawer({ session, activeNav, onAction }: ProjectGalleryDrawerProps) {
   const [open, setOpen] = useState(false);
   const [mounted, setMounted] = useState(false);
-  const selectedCount = session.images.filter(image => image.status === 'selected').length;
+  const [preview, setPreview] = useState<GalleryItem | null>(null);
+  const gallery = galleryForPanel(session, activeNav);
 
   useEffect(() => {
     setMounted(true);
@@ -41,9 +120,9 @@ export default function ProjectGalleryDrawer({ session, onAction }: ProjectGalle
         <div className="flex shrink-0 items-start justify-between gap-4 border-b border-white/10 p-5">
           <div className="min-w-0">
             <span className="section-eyebrow">Project Gallery</span>
-            <h2 className="mt-2 text-lg font-semibold text-white">项目绘画图库</h2>
+            <h2 className="mt-2 text-lg font-semibold text-white">{gallery.label}图库</h2>
             <p className="mt-1 line-clamp-2 text-xs leading-relaxed text-white/42">
-              {session.characterSpec?.name || session.prompt || '当前项目'}
+              {gallery.description}
             </p>
           </div>
           <button
@@ -59,20 +138,50 @@ export default function ProjectGalleryDrawer({ session, onAction }: ProjectGalle
           </button>
         </div>
         <div className="min-h-0 flex-1 overflow-y-auto p-5">
-          {open && <ResultGrid images={session.images} onAction={onAction} />}
+          {open && gallery.mode === 'project' ? (
+            <ResultGrid images={session.images} onAction={onAction} />
+          ) : (
+            <div className="gallery-drawer-grid">
+              {gallery.images.map((image, index) => (
+                <div key={image.id} className="gallery-drawer-card">
+                  <div className="gallery-drawer-card__image" style={{ aspectRatio: aspectCss(image.aspectRatio) }}>
+                    <img src={image.url} alt={image.title} />
+                  </div>
+                  <div className="mt-3 min-w-0">
+                    <div className="flex min-w-0 items-center gap-2">
+                      <span className="truncate text-[12px] font-semibold text-white">{image.title}</span>
+                      <span className="shrink-0 font-mono text-[10px] text-[#dff5a8]">{index + 1}</span>
+                    </div>
+                    {image.description && (
+                      <p className="mt-1 line-clamp-2 text-[10px] leading-relaxed text-white/42">{image.description}</p>
+                    )}
+                  </div>
+                </div>
+              ))}
+              {!gallery.images.length && (
+                <div className="gallery-empty-state">当前区块还没有可显示的图片。</div>
+              )}
+            </div>
+          )}
         </div>
       </aside>
     </>
   );
 
+  const centerPreview = preview ? (
+    <div className="gallery-center-preview" aria-hidden="true">
+      <img src={preview.url} alt="" />
+    </div>
+  ) : null;
+
   return (
     <>
       <aside className="gallery-rail flex h-full min-h-0 flex-col items-center gap-3 overflow-hidden rounded-[8px] border border-white/10 bg-white/[0.045] p-2 backdrop-blur-xl">
         <button
           onClick={() => setOpen(true)}
           className="flex h-12 w-full cursor-pointer flex-col items-center justify-center rounded-[8px] bg-[#e6f578] text-[#081006] transition-colors hover:bg-[#f0fb82]"
-          title="打开项目图库"
+          title={`打开${gallery.label}图库`}
-          aria-label="打开项目图库"
+          aria-label={`打开${gallery.label}图库`}
         >
           <svg width="17" height="17" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2.4" aria-hidden="true">
             <rect x="3" y="5" width="18" height="14" rx="2" />
@@ -83,18 +192,23 @@ export default function ProjectGalleryDrawer({ session, onAction }: ProjectGalle
         </button>
 
         <div className="w-full rounded-[8px] bg-black/22 px-1.5 py-2 text-center text-[10px] text-white/42">
-          <b className="block text-[13px] text-[#e6f578]">{selectedCount}</b>
+          <b className="block text-[13px] text-[#e6f578]">{gallery.images.length}</b>
-          <span>/ {session.images.length}</span>
+          <span>/ {gallery.total}</span>
         </div>
 
         <div className="gallery-thumb-list flex min-h-0 w-full flex-1 flex-col gap-2 overflow-y-auto pr-0.5">
-          {session.images.map((image, index) => (
+          {gallery.images.map((image, index) => (
             <button
               key={image.id}
               onClick={() => setOpen(true)}
-              className={`relative aspect-square w-full cursor-pointer overflow-hidden rounded-[8px] bg-white ring-1 transition-all ${statusClass(image.status)}`}
+              onMouseEnter={() => setPreview(image)}
-              title={`打开第 ${index + 1} 张`}
+              onMouseLeave={() => setPreview(null)}
-              aria-label={`打开第 ${index + 1} 张`}
+              onFocus={() => setPreview(image)}
+              onBlur={() => setPreview(null)}
+              className={`gallery-rail-thumb relative w-full cursor-pointer overflow-hidden rounded-[8px] bg-white ring-1 transition-all ${statusClass(image.status)}`}
+              style={{ aspectRatio: aspectCss(image.aspectRatio) }}
+              title={`查看${image.title}`}
+              aria-label={`查看${image.title}`}
             >
               <img src={image.url} alt="" className="h-full w-full object-contain" />
               <span className="absolute left-1 top-1 rounded-[6px] bg-black/60 px-1.5 py-0.5 text-[9px] font-semibold text-white">
@@ -108,10 +222,14 @@ export default function ProjectGalleryDrawer({ session, onAction }: ProjectGalle
               )}
             </button>
           ))}
+          {!gallery.images.length && (
+            <div className="gallery-rail-empty">暂无图片</div>
+          )}
         </div>
       </aside>
 
       {mounted ? createPortal(drawer, document.body) : null}
+      {mounted && centerPreview ? createPortal(centerPreview, document.body) : null}
     </>
   );
 }