feat(web): 页头滚动信息、移除返回按钮、面包屑左侧可点、侧栏加首页

- 页头中间信息改为无缝滚动 ticker（3 份拼接，24s 线性，尊重 reduced-motion）
- 去掉分区 / 条目 / 文章三处「返回」「返回首页」按钮
- 面包屑移到左侧，中间项可点击并通过 onNavigate 走 SPA 路由
- 侧栏新增「首页」，首页时高亮，点击回首页

stash-web/src/components/content/ArticleDetailView.tsx

@@ -1,34 +1,39 @@
-import { Card, Paragraph, Space, Text, Title } from '@stash/ui'
+import { Breadcrumb, Card, Paragraph, Text, Title } from '@stash/ui'
 import type { ArticleItem } from '../../data/types'
+import { viewPath } from '../../data/view'
 import { ArticleBody } from './ArticleBody'
 
 /**
  * 文章详情页（对应模板图二）：
- * 大标题 + [编辑] + 元信息行 + 白色正文卡。
+ * 面包屑 + 大标题 + [编辑] + 元信息行 + 白色正文卡。
  *
  * 正文是一整段 Markdown，交给 ArticleBody 解析渲染；
  * 渲染细节（支持哪些语法）都收在那一个组件里。
  */
 type ArticleDetailViewProps = {
   article: ArticleItem
+  categoryId: string
   categoryTitle: string
-  onBack: () => void
+  onNavigate: (href: string) => void
 }
 
-export function ArticleDetailView({ article, categoryTitle, onBack }: ArticleDetailViewProps) {
+export function ArticleDetailView({
+  article,
+  categoryId,
+  categoryTitle,
+  onNavigate,
+}: ArticleDetailViewProps) {
   const meta = article.meta ?? ['2 年前', categoryTitle]
+  const crumbs = [
+    { label: '首页', href: '/' },
+    { label: categoryTitle, href: viewPath({ type: 'detail', categoryId }) },
+    { label: '文章' },
+  ]
 
   return (
     <div className="detail-view article-view">
       <Card padding="none" className="detail-nav">
-        <Space justify="between" wrap>
-          <button type="button" className="detail-back" onClick={onBack}>
-            返回
-          </button>
-          <Text size="xs" tone="muted">
-            {categoryTitle} / 文章
-          </Text>
-        </Space>
+        <Breadcrumb className="detail-breadcrumb" items={crumbs} onNavigate={onNavigate} />
       </Card>
 
       <header className="article-head">

stash-web/src/components/content/DetailView.tsx

@@ -1,12 +1,13 @@
 import { Breadcrumb, Card, Empty, Space, Title } from '@stash/ui'
 import { categoryCount, type Category } from '../../data/types'
+import { viewPath } from '../../data/view'
 import { AppGrid } from './AppGrid'
 import { CesCardGrid } from './CesCardGrid'
 import { GroupBlock } from './GroupBlock'
 import { PosterGrid } from './PosterGrid'
 
 /**
- * 分类明细视图：返回条 + 面包屑 + hero（图标 / 标题 / 数量）+ 内容区。
+ * 分类明细视图：面包屑 + hero（图标 / 标题 / 数量）+ 内容区。
  *
  * 内容区按分类类型切换：
  * - apps：指定分组时只渲染该组，否则单组扁平渲染、多组带小标题分组渲染；
@@ -17,12 +18,13 @@ type DetailViewProps = {
   category: Category
   /** 从侧栏子菜单进入时指定的分组 */
   groupId?: string
-  onBack: () => void
+  /** 点击面包屑中间项（SPA 路由） */
+  onNavigate: (href: string) => void
   /** 点击卡片 / 海报进入条目详情 */
   onOpenItem: (itemId: string) => void
 }
 
-export function DetailView({ category, groupId, onBack, onOpenItem }: DetailViewProps) {
+export function DetailView({ category, groupId, onNavigate, onOpenItem }: DetailViewProps) {
   const groups = category.kind === 'apps' ? category.groups : []
   const activeGroup =
     groupId !== undefined ? groups.find((group) => group.id === groupId) : undefined
@@ -33,10 +35,13 @@ export function DetailView({ category, groupId, onBack, onOpenItem }: DetailView
     activeGroup !== undefined
       ? [
           { label: '首页', href: '/' },
-          { label: category.title },
+          { label: category.title, href: viewPath({ type: 'detail', categoryId: category.id }) },
           { label: activeGroup.name },
         ]
-      : [{ label: '首页', href: '/' }, { label: category.title }]
+      : [
+          { label: '首页', href: '/' },
+          { label: category.title, href: viewPath({ type: 'detail', categoryId: category.id }) },
+        ]
 
   function renderBody() {
     if (category.kind === 'posters') {
@@ -71,12 +76,11 @@ export function DetailView({ category, groupId, onBack, onOpenItem }: DetailView
   return (
     <div className="detail-view">
       <Card padding="none" className="detail-nav">
-        <Space justify="between" wrap>
-          <button type="button" className="detail-back" onClick={onBack}>
-            返回首页
-          </button>
-          <Breadcrumb items={crumbs} />
-        </Space>
+        <Breadcrumb
+          className="detail-breadcrumb"
+          items={crumbs}
+          onNavigate={onNavigate}
+        />
       </Card>
 
       <div className="detail-hero">

stash-web/src/components/content/ItemDetailView.tsx

@@ -1,4 +1,15 @@
-import { Card, Icon, IconButton, Paragraph, Space, Tag, Text, Title } from '@stash/ui'
+import {
+  Breadcrumb,
+  Card,
+  Icon,
+  IconButton,
+  Paragraph,
+  Space,
+  Tag,
+  Text,
+  Title,
+  type BreadcrumbItem,
+} from '@stash/ui'
 import type { ItemDetailModel } from '../../data/detail'
 import type { RelatedItem } from '../../data/types'
 import { RelatedList } from './RelatedList'
@@ -6,38 +17,29 @@ import { RelatedList } from './RelatedList'
 /**
  * 条目详情页：应用与电影共用。
  *
- * 版式：标题 + 主图（方形头像 / 竖版海报）+ 标签行 + 一句话评价 + 正文
+ * 版式：面包屑 + 标题 + 主图（方形头像 / 竖版海报）+ 标签行 + 一句话评价 + 正文
  * + 操作条（浏览 / 点赞 / 分享 / 跳转）+ 可选横幅 + 「推荐阅读」。
  * 具体形态由 ItemDetailModel 决定，这里不判断条目类型。
  */
 type ItemDetailViewProps = {
-  breadcrumb: string
+  crumbs: BreadcrumbItem[]
   model: ItemDetailModel
   related: RelatedItem[]
-  onBack: () => void
+  onNavigate: (href: string) => void
   onOpenItem: (itemId: string) => void
 }
 
 export function ItemDetailView({
-  breadcrumb,
+  crumbs,
   model,
   related,
-  onBack,
+  onNavigate,
   onOpenItem,
 }: ItemDetailViewProps) {
   return (
     <div className="detail-view item-view">
       <Card padding="none" className="detail-nav">
-        <Space justify="between" wrap>
-          <button type="button" className="detail-back" onClick={onBack}>
-            返回
-          </button>
-          <span className="detail-breadcrumb">
-            <Text size="xs" tone="muted">
-              {breadcrumb}
-            </Text>
-          </span>
-        </Space>
+        <Breadcrumb className="detail-breadcrumb" items={crumbs} onNavigate={onNavigate} />
       </Card>
 
       <Card padding="none" className="item-card">

stash-web/src/components/header/HeaderInfoItem.tsx

@@ -1,29 +0,0 @@
-import { Space, Tag, Text } from '@stash/ui'
-import type { ReactNode } from 'react'
-
-/**
- * 顶栏中间的一条信息，形如「[标签] 文本」。
- * 标签用组件库的 Tag（success / primary 两种语气）。
- */
-type HeaderInfoItemProps = {
-  /** 可选的前缀标签 */
-  tag?: string
-  /** 标签配色：默认蓝色，状态类用绿色 */
-  tone?: 'blue' | 'green'
-  children: ReactNode
-}
-
-export function HeaderInfoItem({ tag, tone = 'blue', children }: HeaderInfoItemProps) {
-  return (
-    <Space gap="sm">
-      {tag !== undefined && (
-        <Tag tone={tone === 'green' ? 'success' : 'primary'} shape="rounded">
-          {tag}
-        </Tag>
-      )}
-      <Text size="sm" tone="sub">
-        {children}
-      </Text>
-    </Space>
-  )
-}

stash-web/src/components/header/SiteHeader.tsx

@@ -1,8 +1,7 @@
-import { Icon, IconButton, Space } from '@stash/ui'
-import { HeaderInfoItem } from './HeaderInfoItem'
+import { Icon, IconButton, Tag } from '@stash/ui'
 
 /**
- * 顶部栏：左品牌、中间运行信息、右侧操作图标。
+ * 顶部栏：左品牌、中间滚动信息、右侧操作图标。
  * 外层 <header> 由 Layout 提供，这里只渲染栏内的内容。
  */
 type SiteHeaderProps = {
@@ -13,6 +12,40 @@ type SiteHeaderProps = {
   onFocusSearch: () => void
 }
 
+type InfoGroupProps = Omit<SiteHeaderProps, 'onFocusSearch'> & {
+  'aria-hidden'?: boolean
+}
+
+/** 运行信息：同一份内容渲染两遍，轨道平移 50% 形成无缝滚动 */
+function InfoGroup({
+  projectCount,
+  sampleProject,
+  live,
+  'aria-hidden': ariaHidden,
+}: InfoGroupProps) {
+  return (
+    <span className="header-ticker-group" aria-hidden={ariaHidden}>
+      <span className="header-ticker-item">共 {projectCount} 个本地应用</span>
+
+      {sampleProject !== undefined && (
+        <span className="header-ticker-item">
+          <Tag tone="primary" shape="rounded">
+            本地
+          </Tag>
+          {sampleProject}
+        </span>
+      )}
+
+      <span className="header-ticker-item">
+        <Tag tone={live ? 'success' : 'neutral'} shape="rounded">
+          状态
+        </Tag>
+        {live ? '实时同步已连接' : '等待服务连接'}
+      </span>
+    </span>
+  )
+}
+
 export function SiteHeader({ projectCount, sampleProject, live, onFocusSearch }: SiteHeaderProps) {
   return (
     <div className="site-header-inner">
@@ -23,19 +56,26 @@ export function SiteHeader({ projectCount, sampleProject, live, onFocusSearch }:
         <span className="site-brand-name">STASH</span>
       </a>
 
-      <Space gap="lg" className="header-info">
-        <HeaderInfoItem>共 {projectCount} 个本地应用</HeaderInfoItem>
+      <div className="header-ticker" role="status" aria-label="运行状态">
+        <div className="header-ticker-track">
+          <InfoGroup projectCount={projectCount} sampleProject={sampleProject} live={live} />
+          <InfoGroup
+            projectCount={projectCount}
+            sampleProject={sampleProject}
+            live={live}
+            // 后两份只用于视觉无缝，读屏忽略
+            aria-hidden
+          />
+          <InfoGroup
+            projectCount={projectCount}
+            sampleProject={sampleProject}
+            live={live}
+            aria-hidden
+          />
+        </div>
+      </div>
 
-        {sampleProject !== undefined && (
-          <HeaderInfoItem tag="本地">{sampleProject}</HeaderInfoItem>
-        )}
-
-        <HeaderInfoItem tag="状态" tone={live ? 'green' : 'blue'}>
-          {live ? '实时同步已连接' : '等待服务连接'}
-        </HeaderInfoItem>
-      </Space>
-
-      <Space gap="sm" className="header-actions">
+      <div className="header-actions">
         <IconButton
           label="聚焦搜索框（Ctrl+K）"
           icon={<Icon name="search_3_line" />}
@@ -43,7 +83,7 @@ export function SiteHeader({ projectCount, sampleProject, live, onFocusSearch }:
         />
         {/* TODO(auth): 后端登录接口就绪后接上，目前仅作入口占位 */}
         <IconButton label="登录" icon={<Icon name="user_3_line" />} />
-      </Space>
+      </div>
     </div>
   )
 }

stash-web/src/components/sidebar/CategoryNav.tsx

@@ -16,9 +16,14 @@ type CategoryNavProps = {
   /** 当前明细视图的分类 / 分组，用于高亮 */
   activeCategoryId?: string
   activeGroupId?: string
+  /** 是否在首页（高亮「首页」项） */
+  homeActive?: boolean
   onNavigate: (target: NavTarget) => void
+  /** 点击「首页」 */
+  onHome: () => void
 }
 
+const HOME_KEY = 'home'
 const categoryKey = (id: string) => `cat:${id}`
 const groupKey = (categoryId: string, groupId: string) => `group:${categoryId}:${groupId}`
 
@@ -26,35 +31,46 @@ export function CategoryNav({
   categories,
   activeCategoryId,
   activeGroupId,
+  homeActive = false,
   onNavigate,
+  onHome,
 }: CategoryNavProps) {
-  const items: MenuItem[] = categories.map((category) => {
-    const groups =
-      category.kind === 'apps'
-        ? category.groups.filter((group) => group.showInSidebar !== false)
-        : []
+  const items: MenuItem[] = [
+    { key: HOME_KEY, label: '首页' },
+    ...categories.map((category) => {
+      const groups =
+        category.kind === 'apps'
+          ? category.groups.filter((group) => group.showInSidebar !== false)
+          : []
 
-    return {
-      key: categoryKey(category.id),
-      label: category.title,
-      children:
-        groups.length > 0
-          ? groups.map((group) => ({
-              key: groupKey(category.id, group.id),
-              label: group.name,
-            }))
-          : undefined,
-    }
-  })
+      return {
+        key: categoryKey(category.id),
+        label: category.title,
+        children:
+          groups.length > 0
+            ? groups.map((group) => ({
+                key: groupKey(category.id, group.id),
+                label: group.name,
+              }))
+            : undefined,
+      }
+    }),
+  ]
 
-  const activeKey =
-    activeCategoryId === undefined
+  const activeKey = homeActive
+    ? HOME_KEY
+    : activeCategoryId === undefined
       ? undefined
       : activeGroupId !== undefined
         ? groupKey(activeCategoryId, activeGroupId)
         : categoryKey(activeCategoryId)
 
   const handleSelect = (key: string) => {
+    if (key === HOME_KEY) {
+      onHome()
+      return
+    }
+
     if (key.startsWith('group:')) {
       const [, categoryId, groupId] = key.split(':')
       onNavigate({ categoryId, groupId })

stash-web/src/components/sidebar/Sidebar.tsx

@@ -18,7 +18,11 @@ type SidebarProps = {
   onRefresh: () => void
   activeCategoryId?: string
   activeGroupId?: string
+  /** 是否在首页 */
+  homeActive?: boolean
   onNavigate: (target: NavTarget) => void
+  /** 点击「首页」 */
+  onHome: () => void
 }
 
 export function Sidebar({
@@ -29,7 +33,9 @@ export function Sidebar({
   onRefresh,
   activeCategoryId,
   activeGroupId,
+  homeActive = false,
   onNavigate,
+  onHome,
 }: SidebarProps) {
   return (
     <div className="sidebar">
@@ -46,7 +52,9 @@ export function Sidebar({
         categories={categories}
         activeCategoryId={activeCategoryId}
         activeGroupId={activeGroupId}
+        homeActive={homeActive}
         onNavigate={onNavigate}
+        onHome={onHome}
       />
     </div>
   )