diff --git a/core/backend/apps/assets/serializers.py b/core/backend/apps/assets/serializers.py
index 2b94117..db8ccd3 100644
--- a/core/backend/apps/assets/serializers.py
+++ b/core/backend/apps/assets/serializers.py
@@ -45,13 +45,15 @@ class AssetFileSerializer(serializers.ModelSerializer):
         ]
 
     def get_preview_url(self, obj):
-        # 存储字段优先(如外部已写入绝对 URL);否则用 object_key 实时签发 TOS 预签名 GET URL
+        # 存储字段优先(如外部已写入绝对 URL);否则用 object_key 拼 TOS 公读直链。
+        # TOS 桶公读,直链(虚拟主机式)免签名、且稳定可缓存——不再逐图签发预签名 URL
+        # (签名是纯本地计算但每次都变、1h 过期会打不到浏览器/CDN 缓存;直链一劳永逸)。
         if obj.preview_url:
             return obj.preview_url
         if not obj.object_key or not settings.TOS.get("endpoint"):
             return ""
         try:
-            return _tos().presigned_get_url(object_key=obj.object_key)
+            return _tos().public_url(object_key=obj.object_key, bucket=obj.bucket or None)
         except Exception:
             return ""
 
diff --git a/core/backend/apps/assets/storage.py b/core/backend/apps/assets/storage.py
index 085fe5e..f3351e2 100644
--- a/core/backend/apps/assets/storage.py
+++ b/core/backend/apps/assets/storage.py
@@ -1,5 +1,6 @@
 from dataclasses import dataclass
 from typing import BinaryIO
+from urllib.parse import quote, urlparse
 
 import boto3
 from botocore.config import Config
@@ -50,3 +51,10 @@ class TosStorage:
             Params={"Bucket": self.bucket, "Key": object_key},
             ExpiresIn=expires_in,
         )
+
+    def public_url(self, *, object_key: str, bucket: str | None = None) -> str:
+        """桶公读时的虚拟主机式直链:https://{bucket}.{host}/{key}。
+        相比预签名 URL:不签名(省 boto3 客户端/签名开销)、且 URL 稳定可被浏览器/CDN 缓存
+        (签名链每次都变、1h 过期,反而打不到缓存)。仅用于公开可读的预览图。"""
+        host = urlparse(settings.TOS["endpoint"]).netloc
+        return f"https://{bucket or self.bucket}.{host}/{quote(object_key, safe='/')}"
diff --git a/core/frontend/src/App.tsx b/core/frontend/src/App.tsx
index 1ec9a78..6119723 100644
--- a/core/frontend/src/App.tsx
+++ b/core/frontend/src/App.tsx
@@ -110,6 +110,7 @@ export function App() {
   const [ledgers, setLedgers] = useState<Ledger[]>([]);
   const [billingTrend, setBillingTrend] = useState<BillingTrend | null>(null);
   const [notifications, setNotifications] = useState<Notification[]>([]);
+  const [notificationTotal, setNotificationTotal] = useState(0); // 后端真实总数(团队动态「共 N」用,与已加载的近期 100 条区分)
   const [unreadCount, setUnreadCount] = useState(0);
   const [projectDetail, setProjectDetail] = useState<Project | null>(null);
   const [exportResult, setExportResult] = useState<ExportPoll | null>(null);
@@ -162,6 +163,7 @@ export function App() {
     setBillingTrend(trendData);
     if (notificationData) {
       setNotifications(notificationData.results);
+      setNotificationTotal(notificationData.count);
       setUnreadCount(notificationData.unread_count);
     }
     setActiveProjectId((current) => current || projectData.results[0]?.id || "");
@@ -214,6 +216,7 @@ export function App() {
     const data = await api.allNotifications().catch(() => null);
     if (data) {
       setNotifications(data.results);
+      setNotificationTotal(data.count);
       setUnreadCount(data.unread_count);
     }
   }, []);
@@ -674,6 +677,7 @@ export function App() {
             members={teamMembers}
             billing={billing}
             notifications={notifications}
+            notificationTotal={notificationTotal}
             navigate={navigate}
             onCreateMember={(payload) => action(() => api.createTeamMember(payload), "成员账户已创建")}
             onUpdateMember={(id, payload) => action(() => api.updateTeamMember(id, payload), "成员已更新")}
@@ -771,7 +775,7 @@ export function App() {
           }, "故事板已生成")
         }
         onAdoptBaseAsset={(groupId, assetId) => action(() => api.adoptBaseAsset(pipelineProject.id, { group_id: groupId, asset_id: assetId }), "已采用该候选")}
-        onAttachBaseAsset={(groupId, assetId) => action(() => api.attachBaseAsset(pipelineProject.id, { group_id: groupId, asset_id: assetId }), "已替换为所选演员")}
+        onAttachBaseAsset={(target, assetId) => action(() => api.attachBaseAsset(pipelineProject.id, { ...target, asset_id: assetId }), "已替换为所选演员")}
         onGenerateTriview={async (portraitAssetId) => {
           // 异步:image_edit 慢出图在 worker 跑,轮询期间整站不卡;出图后刷新即见三视图
           const assetId = await submitAndPollAsset(() => api.generateTriview(pipelineProject.id, { portrait_asset_id: portraitAssetId }), "三视图已据立绘生成");
@@ -784,8 +788,11 @@ export function App() {
           fd.append("name", file.name);
           fd.append("asset_type", "image");
           fd.append("category", "person");
-          return action(() => api.uploadAsset(fd), "演员已保存到演员库");
+          // 返回上传后的 Asset(供添加人物工作台进右侧栏做三视图/命名)
+          return action(() => api.uploadAsset(fd), "");
         }}
+        // 流程步骤4 · 添加人物工作台命名:把名字写回该人物资产
+        onRenameActor={(assetId, name) => action(() => api.updateAsset(assetId, { name }), "")}
         onSkipStoryboard={() => action(() => api.skipStoryboard(pipelineProject.id), "已跳过故事板")}
         onSubmitVideo={(segmentId, prompt) => action(() => api.submitVideo(pipelineProject.id, { video_segment_id: segmentId, prompt }), "视频片段已提交,生成中…")}
         onSubmitAllVideos={(prompt) =>
diff --git a/core/frontend/src/api.ts b/core/frontend/src/api.ts
index 656c8b2..bb2a4d0 100644
--- a/core/frontend/src/api.ts
+++ b/core/frontend/src/api.ts
@@ -312,7 +312,8 @@ export const api = {
     return request(`/api/projects/${projectId}/adopt-base-asset/`, { method: "POST", body: JSON.stringify(payload) });
   },
   // 流程步骤4 · 用演员库现有资产替换基础资产卡(挂为候选并采用)
-  attachBaseAsset(projectId: string, payload: { group_id: string; asset_id: string }) {
+  // seed 占位卡还没 group:不传 group_id,改传 kind+label,后端按 label 命中/新建实体组再挂(不出图)
+  attachBaseAsset(projectId: string, payload: { group_id?: string; asset_id: string; kind?: "product" | "person" | "scene"; label?: string }) {
     return request(`/api/projects/${projectId}/attach-base-asset/`, { method: "POST", body: JSON.stringify(payload) });
   },
   // 流程步骤4 · 据某一版立绘资产生成它配套的三视图(image_edit 锁角色一致性,绑定该立绘 asset)
@@ -401,6 +402,10 @@ export const api = {
   uploadAsset(formData: FormData) {
     return request<Asset>("/api/assets/upload/", { method: "POST", body: formData });
   },
+  // 流程步骤4 · 给人物/资产改名(添加人物工作台命名 → PATCH 写回 name)
+  updateAsset(id: string, payload: { name?: string; description?: string }) {
+    return request<Asset>(`/api/assets/${id}/`, { method: "PATCH", body: JSON.stringify(payload) });
+  },
   billingSummary() {
     return request<BillingSummary>("/api/billing/summary/");
   },
@@ -437,25 +442,11 @@ export const api = {
     const qs = query.toString();
     return request<NotificationList>(`/api/ops/notifications/${qs ? `?${qs}` : ""}`);
   },
-  // 跟着 next 把所有消息取全(给侧边栏徽标 + 团队动态用,不参与收件箱滚动渲染),与 allAssets 同套路
+  // 侧边栏徽标(unread_count)+ 团队动态(只展示最近 6 条)用。只取第 1 页 100 条即足够,
+  // count 用后端真实总数(给「共 N」显示),不再随消息增长逐页翻全部(原来 O(N) 拖慢每次刷新)。
+  // 注:不参与收件箱滚动渲染——收件箱走 listNotifications 自己的服务端分页。
   async allNotifications(): Promise<NotificationList> {
-    // 首页拿计数,剩余页并行(原串行逐页:消息多时侧边栏徽标加载也拖慢整页)
-    const SIZE = 100;
-    const first = await request<NotificationList>(`/api/ops/notifications/?page_size=${SIZE}`);
-    const out: Notification[] = [...first.results];
-    const pageSize = first.results.length || SIZE;
-    const totalPages = pageSize > 0 ? Math.ceil((first.count || out.length) / pageSize) : 1;
-    if (totalPages > 1) {
-      const rest = await Promise.all(
-        Array.from({ length: totalPages - 1 }, (_, i) =>
-          request<NotificationList>(`/api/ops/notifications/?page_size=${SIZE}&page=${i + 2}`)
-            .then((p) => p.results)
-            .catch(() => [] as Notification[])
-        )
-      );
-      rest.forEach((r) => out.push(...r));
-    }
-    return { count: out.length, next: null, previous: null, results: out, unread_count: first.unread_count, type_counts: first.type_counts };
+    return request<NotificationList>(`/api/ops/notifications/?page_size=100`);
   },
   markAllNotificationsRead() {
     return request<{ updated: number; unread_count: number }>("/api/ops/notifications/mark-all-read/", {
diff --git a/core/frontend/src/routes/team.tsx b/core/frontend/src/routes/team.tsx
index e730844..c80f646 100644
--- a/core/frontend/src/routes/team.tsx
+++ b/core/frontend/src/routes/team.tsx
@@ -27,12 +27,13 @@ const PERM_ROWS: Array<{ cap: string; cells: [string, string, string]; last?: bo
   { cap: "创建项目 / 用 AI 流程", cells: ["✓", "✓", "✓"], last: true }
 ];
 
-export function TeamPage({ team, user, members, billing, notifications = [], navigate, onCreateMember, onUpdateMember, onRemoveMember, onResetPassword, onRecharge }: {
+export function TeamPage({ team, user, members, billing, notifications = [], notificationTotal, navigate, onCreateMember, onUpdateMember, onRemoveMember, onResetPassword, onRecharge }: {
   team: Team;
   user: User;
   members: TeamMember[];
   billing: BillingSummary | null;
   notifications?: Notification[];
+  notificationTotal?: number; // 后端真实总数(只加载了近期 100 条,「共 N」用这个而非数组长度)
   navigate: (page: Page) => void;
   onCreateMember: (payload: { username: string; password: string; name?: string; role?: string; monthly_credit_limit?: number }) => void | Promise<unknown>;
   onUpdateMember: (id: string, payload: { role?: string; monthly_credit_limit?: number }) => void | Promise<unknown>;
@@ -211,7 +212,7 @@ export function TeamPage({ team, user, members, billing, notifications = [], nav
         <div className="team-feed">
           <div className="h">
             <h3>团队动态</h3>
-            <span className="ct">// 最近 {Math.min(feedItems.length, 6)} 条 · 共 {notifications.length}</span>
+            <span className="ct">// 最近 {Math.min(feedItems.length, 6)} 条 · 共 {notificationTotal ?? notifications.length}</span>
             <a className="more" id="open-feed-all" role="button" tabIndex={0} onClick={() => navigate("messages")}>全部 →</a>
           </div>
           <div className="feed-list">
diff --git a/core/qa/function-audit/perf-probe.mjs b/core/qa/function-audit/perf-probe.mjs
index a686d08..763963c 100644
--- a/core/qa/function-audit/perf-probe.mjs
+++ b/core/qa/function-audit/perf-probe.mjs
@@ -175,8 +175,10 @@ async function probePage(context, name, route, ids) {
   if (onLogin > 0 && hasApp === 0) problems.push("掉回登录页/未渲染(功能崩或登录态失效)");
   // 没等到 bootstrap 完成 = 后端太慢拖到超时。这不是「请求少=快」,而是「慢到没加载出来」,判失败防假通过。
   if (!bootstrapStarted) problems.push(`bootstrap 未完成(${HARD_CAP}ms 内 /api/products/ 未发出,后端过慢)`);
-  if (waterfall.length > 0) problems.push(`资产分页瀑布 ${waterfall.length} 页(page_size 没生效→并行翻页)`);
   if (failedReqs.length > 0) problems.push(`接口报错: ${failedReqs.join(" ; ")}`);
+  // 资产翻页本身:page_size 是否生效已由 API 级硬闸确定性守住。这里翻 1~2 页可能是「资产真超 200」的
+  // 合法分页,故只在「明显过量(≥3 页 = page_size 没生效的老症状)」时提示,不硬挂闸(避免误报)。
+  if (waterfall.length >= 3) warnings.push(`资产分页瀑布 ${waterfall.length} 页(疑似 page_size 失效,查 API 硬闸)`);
   if (unique > budget) warnings.push(`首屏接口数 ${unique} > 预算 ${budget}(架构性过量拉取,待决策)`);
 
   return { name, route: url, unique, budget, rawRequests: reqs.length, waterfall: waterfall.length, duplicates, failed: failedReqs, breakdown, elapsedMs: elapsed, problems, warnings, pass: problems.length === 0 };