diff --git a/.memory/worklog.json b/.memory/worklog.json
index 53699bd..9e410f3 100644
--- a/.memory/worklog.json
+++ b/.memory/worklog.json
@@ -1,19 +1,5 @@
 {
   "entries": [
-    {
-      "files_changed": 1,
-      "hash": "f8cd466",
-      "message": "auto-save 2026-05-12 21:50 (~1)",
-      "ts": "2026-05-12T21:50:16+08:00",
-      "type": "commit"
-    },
-    {
-      "files_changed": 1,
-      "hash": "e6ef193",
-      "message": "auto-save 2026-05-12 21:55 (~1)",
-      "ts": "2026-05-12T21:56:09+08:00",
-      "type": "commit"
-    },
     {
       "files_changed": 1,
       "hash": "1fc0ae9",
@@ -3335,6 +3321,19 @@
       "type": "session-heartbeat",
       "message": "Codex 会话活跃 · 最近命令：codex · 2 项未提交变更 · 最近提交：auto-save 2026-05-14 07:34 (~1)",
       "files_changed": 2
+    },
+    {
+      "ts": "2026-05-14T07:40:07+08:00",
+      "type": "commit",
+      "message": "auto-save 2026-05-14 07:39 (~4)",
+      "hash": "c263af2",
+      "files_changed": 4
+    },
+    {
+      "ts": "2026-05-13T23:43:15Z",
+      "type": "session-heartbeat",
+      "message": "Claude 会话活跃 · 最近命令：claude · 2 项未提交变更 · 最近提交：auto-save 2026-05-14 07:39 (~4)",
+      "files_changed": 2
     }
   ]
 }
diff --git a/docs/source-analysis.html b/docs/source-analysis.html
index f7d3d27..fb2e876 100644
--- a/docs/source-analysis.html
+++ b/docs/source-analysis.html
@@ -625,7 +625,7 @@ api/main.py
           </div>
           <div class="flow-row">
             <div><strong>你看到的区域</strong><span>关键帧素材审核面板</span></div>
-            <div><strong>主要源码</strong><span><code>FrameLightbox</code>；按“原图/清洗、主体资产、场景图、产品融合、审核”五个页签组织；左侧只放主图/框选画布，但主体资产页左侧改为全部已清洗/已选参考帧网格，场景图页左侧显示全部关键帧并可勾选场景参考，产品融合页左侧改为 6 行镜头表：产品图、白底人物图、人物图上的产品区域、场景图和描述词一一对应；右侧承载当前镜头秒数、GPT Image 2 / Seedance 固定模型、AI 描述草稿、单条生成和批量排队。主体资产页只确认一个统一主体，后端按参考重绘六张纯背景、占满画面的标准站立主体图；场景图依赖主体资产，右侧通过地点、生成方式、风格和参考要素拼出可编辑 prompt，再按当前关键帧生成去主体原场景、相似新场景或同构换风格。相关接口包括 <code>cleanupFrame</code>、<code>addElement</code>、<code>generateSubjectAssets</code>、<code>generateSceneAsset</code>、<code>listProductLibrary</code>、<code>copyProductLibraryAsset</code> 和 <code>createProductFusionGuide</code>。</span></div>
+            <div><strong>主要源码</strong><span><code>FrameLightbox</code>；按“原图/清洗、主体资产、场景图、产品融合、审核”五个页签组织；左侧只放主图/框选画布，但主体资产页左侧改为全部已清洗/已选参考帧网格，场景图页左侧显示全部关键帧并可勾选场景参考，产品融合页左侧改为 6 行镜头表：产品图、白底人物图、人物图上的产品区域、场景图和描述词一一对应；产品融合槽位的“粘贴”优先使用应用内 <code>clipboard</code>，也支持选中槽位后 Cmd+V 粘贴系统图片。右侧承载当前镜头秒数、GPT Image 2 / Seedance 固定模型、AI 描述草稿、单条生成和批量排队。主体资产页只确认一个统一主体，后端按参考重绘六张纯背景、占满画面的标准站立主体图；场景图依赖主体资产，右侧通过地点、生成方式、风格和参考要素拼出可编辑 prompt，再按当前关键帧生成去主体原场景、相似新场景或同构换风格。相关接口包括 <code>cleanupFrame</code>、<code>addElement</code>、<code>generateSubjectAssets</code>、<code>generateSceneAsset</code>、<code>listProductLibrary</code>、<code>copyProductLibraryAsset</code>、<code>createProductFusionGuide</code> 和 <code>generateProductFusionDescriptions</code>。</span></div>
             <div><strong>适合怎么描述</strong><span>“这一组关键帧如何共同生成一个统一主体包；某张关键帧的水印、去主体场景图、产品融合镜头组和质量风险应该如何审核”。</span></div>
           </div>
           <div class="flow-row">
@@ -765,6 +765,7 @@ SubjectAsset {
             <tr><td>产品图库</td><td><code>GET /product-library/skg</code></td><td><code>listProductLibrary</code></td><td>读取内置 SKG 白底图库 manifest，返回产品标题、品类、尺寸、白底评分和预览图 URL。</td></tr>
             <tr><td>产品图入库到 job</td><td><code>POST /jobs/{id}/assets/product-library</code></td><td><code>copyProductLibraryAsset</code></td><td>把一个内置产品图库条目复制为当前 job 的普通 asset，返回 <code>ImageRef(kind="asset")</code>，用于画面工作台产品融合和分镜产品参考组。</td></tr>
             <tr><td>产品融合引导图</td><td><code>POST /jobs/{id}/product-fusion/guide</code></td><td><code>createProductFusionGuide</code></td><td>读取产品图和白底人物图，按用户在人物图上画出的 <code>product_region</code> 合成一张位置引导图；前端固定显示图片模型为 GPT Image 2，返回普通 <code>asset</code> 作为 Seedance 首帧。</td></tr>
+            <tr><td>产品融合描述词</td><td><code>POST /jobs/{id}/product-fusion/descriptions</code></td><td><code>generateProductFusionDescriptions</code></td><td>为 6 行产品融合镜头生成动作描述草稿；有 LLM 配置时用 <code>REWRITE_MODEL</code> 生成 JSON，无配置或失败时回退到本地镜头模板。</td></tr>
             <tr><td>分镜保存</td><td><code>PUT /frames/{idx}/storyboard</code></td><td><code>updateStoryboard</code></td><td>保存 4 图槽、时长和改造说明。</td></tr>
             <tr><td>生图</td><td><code>POST /frames/{idx}/generate</code></td><td><code>generateImage</code></td><td>基于关键帧或已选生成图做 image-to-image，目前可用。</td></tr>
           </tbody>
@@ -883,10 +884,22 @@ SubjectAsset {
             <div class="body">
               <p><strong>问题：</strong>只把产品图作为参考图无法解决尺寸和位置融合，模型不知道产品应该放在人物或场景里的哪个区域。</p>
               <p><strong>改动：</strong><code>FrameLightbox</code> 的“产品融合”页改为 6 行镜头组。每行绑定产品图、白底人物图、手动画出的产品区域、场景图、描述词和视频秒数；图片槽支持上传和粘贴，产品图也可从内置 SKG 白底图库选用。右侧固定显示图片模型 <code>GPT Image 2</code> 和视频模型 <code>Seedance</code>，支持 AI 草拟 6 条动作描述、单条生成和批量排队。</p>
-              <p><strong>后端：</strong>新增 <code>POST /jobs/{job_id}/product-fusion/guide</code>。它把产品图按 <code>product_region</code> 合成到白底人物图上，生成普通 <code>asset</code> 引导图；前端再把该引导图作为 Seedance 首帧，并把产品图、人物图、场景图作为参考图提交。</p>
+              <p><strong>后端：</strong>新增 <code>POST /jobs/{job_id}/product-fusion/guide</code> 和 <code>POST /jobs/{job_id}/product-fusion/descriptions</code>。前者把产品图按 <code>product_region</code> 合成到白底人物图上，生成普通 <code>asset</code> 引导图；后者用 LLM 或本地模板生成 6 条动作描述草稿。前端再把引导图作为 Seedance 首帧，并把产品图、人物图、场景图作为参考图提交。</p>
               <p><strong>影响：</strong><code>api/main.py</code>、<code>web/lib/api.ts</code>、<code>web/app/page.tsx</code>、<code>web/components/lightbox.tsx</code>、<code>web/components/nodes/index.tsx</code>、<code>web/components/dashboard.tsx</code>、<code>docs/source-analysis.html</code>。</p>
             </div>
           </article>
+          <article class="change">
+            <header>
+              <h3>2026-05-14 · 产品融合槽位接入应用内剪贴板</h3>
+              <span class="tag violet">FrameLightbox</span>
+              <span class="tag blue">Clipboard</span>
+            </header>
+            <div class="body">
+              <p><strong>问题：</strong>卡片上的“复制”写入的是应用内 <code>ImageRef</code> 剪贴板，而产品融合槽位只监听系统剪贴板文件，导致复制后的素材无法在产品融合里粘贴。</p>
+              <p><strong>改动：</strong><code>NodeData</code> 和 <code>FrameLightbox</code> 新增 <code>clipboard</code> 传递链路；产品融合三类槽位的“粘贴”按钮优先使用应用内剪贴板，应用剪贴板为空时再提示可选中槽位后 Cmd+V 粘贴系统图片。</p>
+              <p><strong>影响：</strong><code>web/app/page.tsx</code>、<code>web/components/nodes/index.tsx</code>、<code>web/components/dashboard.tsx</code>、<code>web/components/lightbox.tsx</code>、<code>docs/source-analysis.html</code>。</p>
+            </div>
+          </article>
           <article class="change">
             <header>
               <h3>2026-05-14 · 增加产品融合和 SKG 内置白底图库</h3>
diff --git a/web/app/page.tsx b/web/app/page.tsx
index 76f6910..5a6b641 100644
--- a/web/app/page.tsx
+++ b/web/app/page.tsx
@@ -650,11 +650,12 @@ export default function Home() {
       if (typeof idx === "number") setStoryboardFrame(idx)
       setWorkbenchOpen(true)
     },
+    clipboard,
     onCopyImage: handleCopyImage,
     onGenerateProductFusionVideo: handleGenerateProductFusionVideo,
     pinnedNodes,
     onToggleNodePin: handleToggleNodePin,
-  }), [job, jobs, activeJobId, submitting, analyzing, frameTargets, frameCounts, frameQualities, selectedFrames, expandedFrame, framePanelScale, framePanelPinned, framePanelDock, videoPanelJobId, videoPanelScale, videoPanelDock, handleSubmit, handleUpload, handleAnalyze, handleAnalyzeJob, handleFrameTargetChange, handleFrameCountChange, handleFrameQualityChange, handleToggleFrame, handleOpenFramePanel, handleFramePanelScaleChange, handleAddManualFrame, handleAddManualFrameForJob, handleOpenVideoPanel, handleVideoPanelScaleChange, handleSwitchJob, setJob, handleDeleteJob, handleDeleteFrame, handleDeleteFrameForJob, handleDeleteGenerated, handleDeleteVideo, handleDeleteCutout, handleCopyImage, handleGenerateProductFusionVideo, pinnedNodes, handleToggleNodePin])
+  }), [job, jobs, activeJobId, submitting, analyzing, frameTargets, frameCounts, frameQualities, selectedFrames, expandedFrame, framePanelScale, framePanelPinned, framePanelDock, videoPanelJobId, videoPanelScale, videoPanelDock, handleSubmit, handleUpload, handleAnalyze, handleAnalyzeJob, handleFrameTargetChange, handleFrameCountChange, handleFrameQualityChange, handleToggleFrame, handleOpenFramePanel, handleFramePanelScaleChange, handleAddManualFrame, handleAddManualFrameForJob, handleOpenVideoPanel, handleVideoPanelScaleChange, handleSwitchJob, setJob, handleDeleteJob, handleDeleteFrame, handleDeleteFrameForJob, handleDeleteGenerated, handleDeleteVideo, handleDeleteCutout, clipboard, handleCopyImage, handleGenerateProductFusionVideo, pinnedNodes, handleToggleNodePin])
 
   // 用 useNodesState 让 ReactFlow 自己管位置（避免轮询时重置 drag）
   const savedSizes = useMemo(() => loadNodeSizes(), [])
diff --git a/web/components/dashboard.tsx b/web/components/dashboard.tsx
index 279a76a..853aaca 100644
--- a/web/components/dashboard.tsx
+++ b/web/components/dashboard.tsx
@@ -327,6 +327,7 @@ export const Dashboard = forwardRef<DashboardHandle, Props>(function Dashboard({
                       data.onCloseExpandedFrame()
                       setExpanded(new Set([key]))
                     }}
+                    clipboard={data.clipboard}
                     onCopyImage={data.onCopyImage}
                     onGenerateProductFusionVideo={data.onGenerateProductFusionVideo}
                   />
diff --git a/web/components/lightbox.tsx b/web/components/lightbox.tsx
index bd5d5fb..45150df 100644
--- a/web/components/lightbox.tsx
+++ b/web/components/lightbox.tsx
@@ -21,6 +21,7 @@ interface Props {
   onToggleSelect: (idx: number) => void
   onJobUpdate?: (job: Job) => void
   onSwitchPanel?: (key: string) => void
+  clipboard?: ImageRef | null
   onCopyImage?: (ref: ImageRef) => void
   onGenerateProductFusionVideo?: (frameIdx: number, shot: ProductFusionShot) => Promise<void> | void
   embedded?: boolean
@@ -131,7 +132,7 @@ const normalizeFusionShots = (shots?: ProductFusionShot[] | null): ProductFusion
   return base.map((item, i) => ({ ...item, ...(shots[i] ?? {}), id: shots[i]?.id || item.id }))
 }
 
-export function FrameLightbox({ jobId, frames, activeIndex, selected, onClose, onChange, onToggleSelect, onJobUpdate, onSwitchPanel, onCopyImage, onGenerateProductFusionVideo, embedded = false }: Props) {
+export function FrameLightbox({ jobId, frames, activeIndex, selected, onClose, onChange, onToggleSelect, onJobUpdate, onSwitchPanel, clipboard, onCopyImage, onGenerateProductFusionVideo, embedded = false }: Props) {
   const [describing, setDescribing] = useState(false)
   const [cleaningFrameIds, setCleaningFrameIds] = useState<Set<number>>(new Set())
   const [batchCleaning, setBatchCleaning] = useState(false)
@@ -982,10 +983,18 @@ export function FrameLightbox({ jobId, frames, activeIndex, selected, onClose, o
                         <button
                           type="button"
                           onClick={() => {
+                            if (clipboard) {
+                              assignFusionImage(slot, clipboard)
+                              toast.success(`已粘贴到「${label}」：${clipboard.label || "剪贴板图片"}`)
+                              return
+                            }
                             setFusionUploadTarget(slot)
-                            toast.message(`已选中「${label}」槽位，现在可 Cmd+V 粘贴图片`)
+                            toast.message(`应用剪贴板为空；已选中「${label}」槽位，现在可 Cmd+V 粘贴系统图片`)
                           }}
-                          className="rounded bg-white/10 px-1.5 py-0.5 text-[9px] text-white/60 hover:bg-white/18 hover:text-white"
+                          className={`rounded px-1.5 py-0.5 text-[9px] hover:bg-white/18 hover:text-white ${
+                            clipboard ? "bg-violet-500/60 text-white" : "bg-white/10 text-white/60"
+                          }`}
+                          title={clipboard ? `粘贴应用剪贴板：${clipboard.label || "图片"}` : "应用剪贴板为空；可先点槽位后 Cmd+V 粘贴系统图片"}
                         >
                           粘贴
                         </button>
diff --git a/web/components/nodes/index.tsx b/web/components/nodes/index.tsx
index e5d243d..80cbaac 100644
--- a/web/components/nodes/index.tsx
+++ b/web/components/nodes/index.tsx
@@ -72,6 +72,7 @@ export interface NodeData {
   onDeleteCutout?: (frameIdx: number, elementId: string, cutoutId: string) => void  // 删元素提取图
   onOpenStoryboard?: (frameIdx: number) => void  // 打开分镜头编排专属面板
   onOpenWorkbench?: (frameIdx?: number) => void  // 展开顶部分镜编排内嵌面板
+  clipboard?: ImageRef | null
   onCopyImage?: (ref: ImageRef) => void  // 复制图片到全局剪贴板（粘贴到分镜头编排插槽）
   onGenerateProductFusionVideo?: (frameIdx: number, shot: ProductFusionShot) => Promise<void> | void
   pinnedNodes?: Set<string>              // 已钉住的节点 id 集合 — 钉住后位置 + 尺寸锁定
@@ -1957,6 +1958,7 @@ export function KeyframePanelNode({ data }: any) {
           onChange={d.onExpandFrame}
           onToggleSelect={d.onToggleFrame}
           onJobUpdate={d.onJobUpdate}
+          clipboard={d.clipboard}
           onCopyImage={d.onCopyImage}
           onGenerateProductFusionVideo={d.onGenerateProductFusionVideo}
         />