fix: isolate subject reference generation

web/components/ad-recreation-board.tsx

@@ -653,10 +653,14 @@ function emptySubjectPromptMemory(): Record<SubjectReconstructionMode, string[]>
   return { realistic: [], cartoon: [], elements: [], custom: [] }
 }
 
-function loadSubjectPromptMemory(): Record<SubjectReconstructionMode, string[]> {
+function subjectScopedStorageKey(baseKey: string, jobId: string) {
+  return `${baseKey}:${jobId}`
+}
+
+function loadSubjectPromptMemory(jobId: string): Record<SubjectReconstructionMode, string[]> {
   if (typeof window === "undefined") return emptySubjectPromptMemory()
   try {
-    const parsed = JSON.parse(window.localStorage.getItem(SUBJECT_PROMPT_MEMORY_KEY) || "{}") as Partial<Record<SubjectReconstructionMode, string[]>>
+    const parsed = JSON.parse(window.localStorage.getItem(subjectScopedStorageKey(SUBJECT_PROMPT_MEMORY_KEY, jobId)) || "{}") as Partial<Record<SubjectReconstructionMode, string[]>>
     const next = emptySubjectPromptMemory()
     for (const mode of Object.keys(next) as SubjectReconstructionMode[]) {
       next[mode] = Array.isArray(parsed[mode]) ? parsed[mode]!.filter(Boolean).slice(0, SUBJECT_PROMPT_MEMORY_LIMIT) : []
@@ -667,25 +671,25 @@ function loadSubjectPromptMemory(): Record<SubjectReconstructionMode, string[]>
   }
 }
 
-function saveSubjectPromptMemory(memory: Record<SubjectReconstructionMode, string[]>) {
+function saveSubjectPromptMemory(jobId: string, memory: Record<SubjectReconstructionMode, string[]>) {
   if (typeof window === "undefined") return
   try {
-    window.localStorage.setItem(SUBJECT_PROMPT_MEMORY_KEY, JSON.stringify(memory))
+    window.localStorage.setItem(subjectScopedStorageKey(SUBJECT_PROMPT_MEMORY_KEY, jobId), JSON.stringify(memory))
   } catch {
     /* localStorage may be unavailable */
   }
 }
 
-function loadSubjectImageModelPreference(): SubjectImageModelPreference {
+function loadSubjectImageModelPreference(jobId: string): SubjectImageModelPreference {
   if (typeof window === "undefined") return "auto"
-  const raw = window.localStorage.getItem(SUBJECT_MODEL_MEMORY_KEY)
+  const raw = window.localStorage.getItem(subjectScopedStorageKey(SUBJECT_MODEL_MEMORY_KEY, jobId))
   return SUBJECT_IMAGE_MODEL_OPTIONS.some((item) => item.value === raw) ? raw as SubjectImageModelPreference : "auto"
 }
 
-function saveSubjectImageModelPreference(value: SubjectImageModelPreference) {
+function saveSubjectImageModelPreference(jobId: string, value: SubjectImageModelPreference) {
   if (typeof window === "undefined") return
   try {
-    window.localStorage.setItem(SUBJECT_MODEL_MEMORY_KEY, value)
+    window.localStorage.setItem(subjectScopedStorageKey(SUBJECT_MODEL_MEMORY_KEY, jobId), value)
   } catch {
     /* localStorage may be unavailable */
   }
@@ -1216,6 +1220,24 @@ function buildSimilarSubjectPrompt(
   return base.join(" ")
 }
 
+function buildSourceLockedSubjectPrompt(subjectStyle: SubjectStyleMode) {
+  const base = [
+    "Source-locked subject replication from the selected reference frames.",
+    "Use the attached reference frame(s) as the primary visual source for the same visible subject: preserve gender presentation, regional/ethnic appearance category, skin-tone family, body proportions, hair length/color/silhouette, face structure impression, wardrobe category, outfit colors, fit, and commercial role as closely as the model allows.",
+    "Generate separate clean white-background multi-view assets of that same source subject, removing only source video background, platform UI, captions, watermarks, compression artifacts, and accidental occlusions.",
+    "Do not invent a different actor, different ethnicity, different gender, different body type, different hair design, or different outfit when the reference evidence is visible.",
+    "If multiple frames are supplied, treat them as evidence for one same subject and build one locked subject bible before rendering every view.",
+    "Keep the neck, collarbone, shoulders, upper back, and side neck clean and usable for SKG neck-and-shoulder product placement.",
+  ]
+  if (subjectStyle === "cartoon_subject") {
+    base.push("If a cartoon style is requested, convert the same visible source subject into one consistent stylized character while preserving the reference's main appearance and outfit cues.")
+  } else {
+    base.push("The subject must remain a believable normal commercial ad actor, not a transparent or skeleton character.")
+  }
+  base.push("Output high-definition assets; each image is one requested view of the same unified subject.")
+  return base.join(" ")
+}
+
 function subjectAssetUrl(job: Job, asset: SubjectAsset) {
   if (!asset.url && asset.status && asset.status !== "completed") return ""
   return apiAssetUrl(asset.url) || resolveImageRefUrl(job.id, { kind: "asset", frame_idx: 0, element_id: asset.id })
@@ -3287,8 +3309,8 @@ function SourceSubjectPipeline({
   const [activeDropMode, setActiveDropMode] = useState<SubjectReconstructionMode | null>(null)
   const [conversionFrameIndicesByMode, setConversionFrameIndicesByMode] = useState<Record<SubjectReconstructionMode, number[]>>(() => ({ ...EMPTY_RECONSTRUCTION_FRAME_MAP }))
   const [reconstructionDirections, setReconstructionDirections] = useState<Record<SubjectReconstructionMode, string>>(() => ({ ...DEFAULT_RECONSTRUCTION_DIRECTIONS }))
-  const [subjectImageModelPreference, setSubjectImageModelPreference] = useState<SubjectImageModelPreference>(() => loadSubjectImageModelPreference())
-  const [promptMemoryByMode, setPromptMemoryByMode] = useState<Record<SubjectReconstructionMode, string[]>>(() => loadSubjectPromptMemory())
+  const [subjectImageModelPreference, setSubjectImageModelPreference] = useState<SubjectImageModelPreference>(() => loadSubjectImageModelPreference(job.id))
+  const [promptMemoryByMode, setPromptMemoryByMode] = useState<Record<SubjectReconstructionMode, string[]>>(() => loadSubjectPromptMemory(job.id))
   const [cartoonStyle, setCartoonStyle] = useState<CartoonReconstructionStyle>("3d_animation")
   const [cartoonStyleOpen, setCartoonStyleOpen] = useState(false)
   const [subjectBusyFor, setSubjectBusyFor] = useState<{ jobId: string; jobLabel: string; mode: SubjectReconstructionMode; viewCount: number; sourceCount: number; profileLabel: string; modelLabel: string } | null>(null)
@@ -3383,6 +3405,8 @@ function SourceSubjectPipeline({
   useEffect(() => {
     setConversionFrameIndicesByMode({ ...EMPTY_RECONSTRUCTION_FRAME_MAP })
     setReconstructionDirections({ ...DEFAULT_RECONSTRUCTION_DIRECTIONS })
+    setSubjectImageModelPreference(loadSubjectImageModelPreference(job.id))
+    setPromptMemoryByMode(loadSubjectPromptMemory(job.id))
     setLastSubjectProfile(null)
     setSubjectBusyFor(null)
     setSubjectAssetBusy(null)
@@ -3392,12 +3416,12 @@ function SourceSubjectPipeline({
   }, [job.id])
 
   useEffect(() => {
-    saveSubjectImageModelPreference(subjectImageModelPreference)
-  }, [subjectImageModelPreference])
+    saveSubjectImageModelPreference(job.id, subjectImageModelPreference)
+  }, [job.id, subjectImageModelPreference])
 
   useEffect(() => {
-    saveSubjectPromptMemory(promptMemoryByMode)
-  }, [promptMemoryByMode])
+    saveSubjectPromptMemory(job.id, promptMemoryByMode)
+  }, [job.id, promptMemoryByMode])
 
   useEffect(() => {
     if (expandedSubjectPackKey && !subjectAssetPacks.some((pack) => pack.key === expandedSubjectPackKey)) {
@@ -3455,17 +3479,23 @@ function SourceSubjectPipeline({
     const sourceFrames = sourceIndices
       .map((index) => frames.find((frame) => frame.index === index))
       .filter((frame): frame is KeyFrame => !!frame)
+    const rawDirection = reconstructionDirections[mode].trim()
+    const sourceLockedReplication = mode === "custom" && !rawDirection
     if (!sourceFrames.length && mode !== "custom") {
       toast.warning(`先把参考帧拖到${reconstructionModeConfig(mode).label}。`)
       return
     }
+    if (!sourceFrames.length && sourceLockedReplication) {
+      toast.warning("自主描述没有文字时，需要先拖入参考帧用于形象复刻。")
+      return
+    }
     const baseFrame = sourceFrames[0] ?? frames[0]
     if (!baseFrame) {
       toast.warning("先完成抽帧，或从胶片加入至少一张参考帧。")
       return
     }
     const requestJobId = job.id
-    const requestProfile = mode === "custom" && reconstructionDirections.custom.trim()
+    const requestProfile = sourceLockedReplication || (mode === "custom" && rawDirection)
       ? null
       : buildSubjectProfileForRequest()
     const subjectStyle = reconstructionSubjectStyle(mode)
@@ -3502,13 +3532,15 @@ function SourceSubjectPipeline({
       const updated = await generateSubjectAssets(requestJobId, baseFrame.index, element.id, {
         subject_kind: "living",
         subject_style: subjectStyle,
-        reconstruction_mode: "similar",
+        reconstruction_mode: sourceLockedReplication ? "same" : "similar",
         background: "white",
         size: SUBJECT_ASSET_SIZE,
         source_frame_indices: sourceFrames.slice(0, RECONSTRUCTION_FRAME_LIMIT).map((frame) => frame.index),
         views: selectedSubjectViews,
         subject_profile: requestProfile?.payload ?? null,
-        prompt: buildSimilarSubjectPrompt(subjectStyle, userDirection, null, requestProfile),
+        prompt: sourceLockedReplication
+          ? buildSourceLockedSubjectPrompt(subjectStyle)
+          : buildSimilarSubjectPrompt(subjectStyle, userDirection, null, requestProfile),
         image_model_preference: subjectImageModelPreference,
         replace_views: false,
         pack_label: `${reconstructionModeConfig(mode).label} ${new Date().toLocaleTimeString("zh-CN", { hour: "2-digit", minute: "2-digit", hour12: false })}`,
@@ -3563,13 +3595,19 @@ function SourceSubjectPipeline({
     const sourceIndices = asset.source_frame_indices?.length
       ? asset.source_frame_indices
       : conversionFrameIndicesByMode[mode]
+    const rawDirection = reconstructionDirections[mode].trim()
+    const sourceLockedReplication = mode === "custom" && !rawDirection
     if (!sourceIndices.length && mode !== "custom") {
       toast.warning("转换层没有参考帧，不能重生。")
       return
     }
+    if (!sourceIndices.length && sourceLockedReplication) {
+      toast.warning("自主描述没有文字时，需要参考帧才能复刻重生。")
+      return
+    }
     setSubjectAssetBusy(`regen:${asset.id}`)
     try {
-      const requestProfile = mode === "custom" && reconstructionDirections.custom.trim()
+      const requestProfile = sourceLockedReplication || (mode === "custom" && rawDirection)
         ? null
         : lastSubjectProfile ?? buildSubjectProfileForRequest()
       const subjectStyle = reconstructionSubjectStyle(mode)
@@ -3577,18 +3615,20 @@ function SourceSubjectPipeline({
       const updated = await generateSubjectAssets(job.id, frame.index, element.id, {
         subject_kind: "living",
         subject_style: subjectStyle,
-        reconstruction_mode: "similar",
+        reconstruction_mode: sourceLockedReplication ? "same" : "similar",
         background: asset.background || "white",
         size: SUBJECT_ASSET_SIZE,
         source_frame_indices: sourceIndices.slice(0, RECONSTRUCTION_FRAME_LIMIT),
         views: [asset.view],
         subject_profile: requestProfile?.payload ?? null,
-        prompt: buildSimilarSubjectPrompt(
-          subjectStyle,
-          buildReconstructionDirection(mode, reconstructionDirections[mode], cartoonStyle),
-          null,
-          requestProfile,
-        ),
+        prompt: sourceLockedReplication
+          ? buildSourceLockedSubjectPrompt(subjectStyle)
+          : buildSimilarSubjectPrompt(
+            subjectStyle,
+            buildReconstructionDirection(mode, reconstructionDirections[mode], cartoonStyle),
+            null,
+            requestProfile,
+          ),
         image_model_preference: subjectImageModelPreference,
         replace_views: true,
         pack_id: asset.pack_id ?? "",