auto-save 2026-05-18 00:12 (~3)

web/components/ad-recreation-board.tsx

@@ -260,8 +260,42 @@ function closestFrameForTime(frames: KeyFrame[], time: number) {
 }
 
 function isSimilarActorElement(element: KeyElement) {
-  const name = `${element.name_zh || ""} ${element.name_en || ""}`.toLowerCase()
-  return name.includes("相似主角") || name.includes("相似主体") || name.includes("similar ad actor") || name.includes("similar actor") || name.includes("similar subject")
+  const zh = element.name_zh || ""
+  const en = (element.name_en || "").toLowerCase()
+  const combined = `${zh} ${en}`.toLowerCase()
+  const zhSimilarSubject = zh.includes("相似") && (zh.includes("主体") || zh.includes("主角") || zh.includes("人物"))
+  const enSimilarSubject = en.includes("similar") && (en.includes("subject") || en.includes("actor") || en.includes("humanoid") || en.includes("character"))
+  return (
+    zhSimilarSubject
+    || enSimilarSubject
+    || combined.includes("相似主角")
+    || combined.includes("相似主体")
+    || combined.includes("similar ad actor")
+    || combined.includes("similar actor")
+    || combined.includes("similar subject")
+    || combined.includes("transparent skeleton humanoid subject")
+  )
+}
+
+function findSimilarActorSource(preferredFrames: KeyFrame[], allFrames: KeyFrame[]) {
+  const pools = [preferredFrames, allFrames]
+  const seen = new Set<number>()
+  for (const needsAssets of [true, false]) {
+    for (const pool of pools) {
+      const frames = [...pool].filter((frame) => {
+        if (seen.has(frame.index)) return false
+        seen.add(frame.index)
+        return true
+      }).reverse()
+      for (const frame of frames) {
+        const elements = [...(frame.elements || [])].reverse()
+        const element = elements.find((item) => isSimilarActorElement(item) && (!needsAssets || !!item.subject_assets?.length))
+        if (element) return { frame, element }
+      }
+    }
+    seen.clear()
+  }
+  return null
 }
 
 function buildSimilarSubjectPrompt(subjectStyle: SubjectStyleMode, direction: string) {
@@ -306,6 +340,10 @@ function imageModelChain(models?: RuntimeModels) {
   return modelList(models?.image_fallbacks?.length ? models.image_fallbacks : [models?.image, "gemini-3.1-flash-image-preview", "gemini-2.5-flash-image"])
 }
 
+function subjectImageModelChain(models?: RuntimeModels) {
+  return modelList(models?.subject_image_fallbacks?.length ? models.subject_image_fallbacks : [models?.subject_image, "gpt-image-2", "gpt-image-1.5"])
+}
+
 function resolveVideoModelLabel(models: RuntimeModels | undefined, model: string) {
   const concrete = models?.video_aliases?.[model] || (model === models?.video ? models.video : "")
   return concrete && concrete !== model ? `${model} -> ${concrete}` : modelValue(concrete || model)
@@ -340,11 +378,11 @@ function productModelTrace(models?: RuntimeModels): ModelTraceSpec {
 function similarSubjectModelTrace(models: RuntimeModels | undefined, subjectStyle: SubjectStyleMode): ModelTraceSpec {
   return {
     title: subjectStyle === "transparent_human" ? "相似透明骨架主体" : "相似普通真人主体",
-    model: imageModelChain(models),
+    model: subjectImageModelChain(models),
     chain: [
       "参考帧策略：未勾选时使用全部关键帧，勾选后只使用已选关键帧",
       `主体类型：${subjectStyle === "transparent_human" ? "透明/半透明皮肤包裹可见白色骨架" : "普通商业广告真人"}`,
-      `图像生成：${imageModelChain(models)} 逐张生成正、背、左、右、左前 45、右前 45`,
+      `图像生成：${subjectImageModelChain(models)} 逐张生成正、背、左、右、左前 45、右前 45`,
       "身份锁定：六张必须是同一个主体，性别表现、年龄段、体型、材质和风格保持一致",
     ],
     note: "这是生成类似主体，不是复制、抠出或复刻源视频人物身份。",
@@ -1411,17 +1449,8 @@ function SourceReferenceBuildPanel({
     [frames, selectedReferenceFrames],
   )
   const actorSource = useMemo(() => {
-    const pool = subjectReferenceFrames
-    for (const frame of pool) {
-      const element = frame.elements?.find(isSimilarActorElement)
-      if (element?.subject_assets?.length) return { frame, element }
-    }
-    for (const frame of pool) {
-      const element = frame.elements?.find(isSimilarActorElement)
-      if (element) return { frame, element }
-    }
-    return null
-  }, [subjectReferenceFrames])
+    return findSimilarActorSource(subjectReferenceFrames, frames)
+  }, [frames, subjectReferenceFrames])
   const actorAssets = actorSource?.element.subject_assets ?? []
   const previewFrame = framePreview ? frames.find((frame) => frame.index === framePreview.index) ?? null : null
   const referenceCountLabel = selectedReferenceFrames.length