Embed workflow UI and isolate workspace assets

src/web/App.tsx

@@ -138,6 +138,20 @@ function resolveStoredProfile(): UserProfile {
     return { name: '管理员', avatarSeed, avatarStyle: pickDicebearStyle(avatarSeed) };
   }
 }
+
+function profileFromUsername(username: string, current?: UserProfile): UserProfile {
+  const name = username.trim();
+  const avatarSeed = current?.avatarSeed?.trim() || createRandomAvatarSeed();
+  const avatarStyle = current?.avatarStyle?.trim() || pickDicebearStyle(avatarSeed);
+  return {
+    name: name || current?.name || '用户',
+    avatarSeed,
+    avatarStyle: DICEBEAR_STYLES.includes(avatarStyle as DicebearStyle)
+      ? avatarStyle
+      : pickDicebearStyle(avatarSeed),
+  };
+}
+
 function UserProfileModal({
   open,
   profile,
@@ -560,6 +574,35 @@ function AppShell() {
       cancelled = true;
     };
   }, [location.pathname, userAuthed]);
+  useEffect(() => {
+    if (
+      !userAuthed
+      || !location.pathname.startsWith('/user/')
+      || ['/user/login', '/user/register'].includes(location.pathname)
+    ) return;
+    let cancelled = false;
+    const syncUserProfile = async () => {
+      try {
+        const response = await userApi.me();
+        if (cancelled) return;
+        const user = (response as any)?.user || (response as any)?.data || {};
+        const username = typeof user.username === 'string' ? user.username.trim() : '';
+        if (!username) return;
+        setUserProfile((current) => {
+          if ((current.name || '').trim() === username) return current;
+          const next = profileFromUsername(username, current);
+          localStorage.setItem(USER_PROFILE_STORAGE_KEY, JSON.stringify(next));
+          return next;
+        });
+      } catch {
+        // Keep the local profile if the user profile endpoint is temporarily unavailable.
+      }
+    };
+    void syncUserProfile();
+    return () => {
+      cancelled = true;
+    };
+  }, [location.pathname, userAuthed]);
   useEffect(() => {
     const handler = (e: MouseEvent) => {
       if (userMenuRef.current && !userMenuRef.current.contains(e.target as Node)) {

src/web/pages/Workspace.tsx

@@ -425,7 +425,9 @@ export default function Workspace() {
                 </button>
               )}
               <div style={detailMetaStyle}>
-                <div><span>用户</span><strong>{selected.userId ?? '管理员/系统'}</strong></div>
+                {audience !== 'user' && (
+                  <div><span>用户</span><strong>{selected.userId ?? '管理员/系统'}</strong></div>
+                )}
                 <div><span>模型</span><strong>{selected.model || '未记录'}</strong></div>
                 <div><span>大小</span><strong>{formatBytes(selected.sizeBytes)}</strong></div>
                 <div><span>文件</span><strong>{selected.hasLocalFile ? '本地归档' : '远程引用'}</strong></div>