revert: restore storyboard intake workflow

web/app/page.tsx

@@ -229,7 +229,7 @@ export default function Home() {
       const created = await uploadJob(file)
       addJob(created)
       setProductionJobIds((prev) => new Set(prev).add(created.id))
-      toast.success(`已上传 ${created.id.slice(0, 8)}，视频就绪后自动提取音频文案`)
+      toast.success(`已上传 ${created.id.slice(0, 8)}，视频就绪后自动跑音频和抽帧`)
     } catch (e) {
       toast.error("上传失败：" + (e instanceof Error ? e.message : String(e)))
     } finally {
@@ -473,13 +473,31 @@ export default function Home() {
       try {
         const updated = await triggerTranscribe(target.id)
         updateJobInList(updated)
-        toast.info("文案路已启动：字幕、讲话人、节奏和背景音同步解析")
+        toast.info("音频路已启动：字幕、讲话人、节奏和背景音同步解析")
       } catch (e) {
         autoTriggeredRef.current.delete(audioKey)
         toast.error("音频解析启动失败：" + (e instanceof Error ? e.message : String(e)))
       }
     }
-  }, [updateJobInList])
+
+    const visualKey = `${target.id}:visual`
+    const hasVisualResult = target.frames.length > 0
+    const visualRunning = target.status === "splitting"
+    if (!hasVisualResult && !visualRunning && !autoTriggeredRef.current.has(visualKey)) {
+      autoTriggeredRef.current.add(visualKey)
+      const frameTarget = frameTargets[target.id] ?? "motion"
+      const frameCount = frameCounts[target.id] ?? 12
+      const frameQuality = frameQualities[target.id] ?? "accurate"
+      try {
+        const updated = await analyzeJob(target.id, frameCount, frameTarget, "replace", frameQuality)
+        updateJobInList(updated)
+        toast.info(`视觉路已启动：${FRAME_QUALITY_LABELS[frameQuality]} · ${FRAME_TARGET_LABELS[frameTarget]} · ${frameCount} 张参考帧`)
+      } catch (e) {
+        autoTriggeredRef.current.delete(visualKey)
+        toast.error("视觉抽帧启动失败：" + (e instanceof Error ? e.message : String(e)))
+      }
+    }
+  }, [frameCounts, frameQualities, frameTargets, updateJobInList])
 
   const ensureDefaultProductRefs = useCallback(async (jobId: string) => {
     const cached = defaultProductRefsByJob[jobId]
@@ -559,20 +577,21 @@ export default function Home() {
     }
     if (!created && target.status === "failed") {
       autoTriggeredRef.current.delete(`${target.id}:audio`)
+      autoTriggeredRef.current.delete(`${target.id}:visual`)
     }
     if (!created && target.status === "failed" && !target.video_url) {
       try {
         target = await retryJobDownload(target.id)
         updateJobInList(target)
-        toast.info("已重新提交下载；下载完成后会自动跑音频文案路")
+        toast.info("已重新提交下载；下载完成后会自动跑音频文案路和视觉抽帧路")
       } catch (e) {
         toast.error("重新下载失败：" + (e instanceof Error ? e.message : String(e)))
         return
       }
     }
     setProductionJobIds((prev) => new Set(prev).add(target.id))
-    if (target.video_url) toast.success("已进入第一步：自动提取音频文案")
-    else toast.success("已进入第一步：下载完成后自动提取音频文案")
+    if (target.video_url) toast.success("已进入并行素材分析：音频文案路和视觉抽帧路会同步推进")
+    else toast.success("已进入并行素材分析：下载完成后自动跑音频文案路和视觉抽帧路")
     void startProductionLanesForJob(target)
   }, [handleSubmit, job, startProductionLanesForJob, updateJobInList])