refactor(BookDetail): 移除不稳的 Arco 子组件 + 自实现简洁布局

- 移除 a-page-header/a-statistic/a-descriptions/a-list-item-meta
  (Arco 2.x 这些组件在 BookDetail 里有渲染问题)
- 顶部改用 a-card + flex 自定义布局
- 4 张统计卡用 div + 大数字
- 左侧目录改用 ul/li 自定义（避开 a-list slot 顺序坑）
- 右侧三 tab 保留 a-tabs，word/json 内用 div + a-button

frontend/src/router/index.ts

@@ -18,7 +18,7 @@ const router = createRouter({
     {
       path: '/login',
       name: 'login',
-      component: () => import('@/views/Login/index.vue'),
+      component: () => import('@/views/login/index.vue'),
       meta: {
         requiresAuth: false,
       },

frontend/src/router/routes/base.ts

@@ -16,7 +16,7 @@ export const REDIRECT_MAIN: RouteRecordRaw = {
     {
       path: '/redirect/:path',
       name: REDIRECT_ROUTE_NAME,
-      component: () => import('@/views/Redirect/index.vue'),
+      component: () => import('@/views/redirect/index.vue'),
       meta: {
         requiresAuth: true,
         hideInMenu: true,

frontend/src/views/BookManage/BookDetail/index.vue

@@ -1,8 +1,8 @@
 <script setup lang="ts">
-import { onMounted, ref } from 'vue';
+import { onMounted, ref, computed, watch } from 'vue';
 import { useRoute, useRouter } from 'vue-router';
 import { getBook, type Book, retryFailed, softDeleteBook } from '@/api/book';
-import DocumentItem from '../components/DocumentItem.vue';
+import { getDocumentUrl } from '@/api/document';
 import { Message } from '@arco-design/web-vue';
 
 const route = useRoute();
@@ -11,16 +11,57 @@ const bookId = Number(route.params.id);
 
 const book = ref<Book & { documents: any[] } | null>(null);
 const loading = ref(false);
+const selectedDocId = ref<string | null>(null);
+const activeTab = ref<'word' | 'html' | 'json'>('html');
+
+type FileKind = 'docx' | 'html' | 'json' | 'error_log';
+const fileTypeMap: Record<typeof activeTab.value, FileKind> = {
+  word: 'docx',
+  html: 'html',
+  json: 'json',
+};
+
+const selectedDoc = computed(() => {
+  if (!book.value || !selectedDocId.value) return null;
+  return book.value.documents.find((d) => d.doc_id === selectedDocId.value);
+});
+
+const fileUrl = ref<string>('');
+const fileLoading = ref(false);
+
+const fetchFileUrl = async () => {
+  if (!selectedDoc.value) {
+    fileUrl.value = '';
+    return;
+  }
+  fileLoading.value = true;
+  try {
+    const r = await getDocumentUrl(
+      selectedDoc.value.doc_id,
+      fileTypeMap[activeTab.value],
+    );
+    fileUrl.value = r?.url ?? '';
+  } catch (e) {
+    fileUrl.value = '';
+  } finally {
+    fileLoading.value = false;
+  }
+};
 
 const fetchBook = async () => {
   loading.value = true;
   try {
     book.value = await getBook(bookId);
+    if (book.value?.documents.length && !selectedDocId.value) {
+      selectedDocId.value = book.value.documents[0].doc_id;
+    }
   } finally {
     loading.value = false;
   }
 };
 
+watch([selectedDocId, activeTab], fetchFileUrl, { immediate: false });
+
 const onRetry = async () => {
   const r = await retryFailed(bookId);
   if (r.ok) {
@@ -39,129 +80,476 @@ const onDelete = async () => {
   }
 };
 
-const formatBytes = (n: number): string => {
-  if (n < 1024) return `${n} B`;
-  if (n < 1024 * 1024) return `${(n / 1024).toFixed(1)} KB`;
-  return `${(n / 1024 / 1024).toFixed(2)} MB`;
-};
-
-const statusColor: Record<string, string> = {
-  pending: 'gray',
-  processing: 'arcoblue',
-  done: 'green',
-  failed: 'red',
-  partial: 'orange',
+const openInNewTab = (url: string) => {
+  window.open(url, '_blank');
 };
 
 const statusText: Record<string, string> = {
   pending: '待处理',
   processing: '处理中',
+  html_ready: 'HTML 已就绪',
+  json_ready: 'JSON 已就绪',
   done: '完成',
   failed: '失败',
   partial: '部分失败',
 };
 
+const statusColor: Record<string, string> = {
+  pending: 'gray',
+  processing: 'arcoblue',
+  html_ready: 'green',
+  json_ready: 'green',
+  failed: 'red',
+  partial: 'orange',
+  done: 'green',
+};
+
+const completionRate = computed(() => {
+  if (!book.value || !book.value.total_count) return 0;
+  return Math.round((book.value.success_count / book.value.total_count) * 100);
+});
+
+const truncate = (s: string, len = 8) => (s ? `${s.slice(0, len)}…` : '');
+
 onMounted(fetchBook);
 </script>
 
 <template>
   <div class="book-detail">
-    <a-card :bordered="false">
-      <a-skeleton v-if="loading" :rows="6" />
+    <a-skeleton v-if="loading" :rows="8" />
+
     <template v-else-if="book">
-        <a-page-header
-          :title="book.name"
-          :subtitle="`ID: ${book.id} | ${book.subject || ''} ${book.grade || ''} ${book.version || ''}`"
-        >
-          <template #extra>
-            <a-space>
-              <a-tag :color="statusColor[book.status]" size="medium">
+      <!-- 顶部：标题 + 操作 -->
+      <a-card :bordered="false" class="header-card">
+        <div class="header-row">
+          <div class="header-info">
+            <div class="book-name">{{ book.name }}</div>
+            <div class="book-meta">
+              <a-tag :color="statusColor[book.status]" size="small">
                 {{ statusText[book.status] || book.status }}
               </a-tag>
+              <span class="meta-text">ID: {{ book.id }}</span>
+              <span v-if="book.subject" class="meta-text">{{ book.subject }}</span>
+              <span v-if="book.grade" class="meta-text">{{ book.grade }}</span>
+              <span v-if="book.version" class="meta-text">{{ book.version }}</span>
+            </div>
+          </div>
+          <a-space>
             <a-button
               v-if="book.failed_count > 0"
+              size="small"
               @click="onRetry"
             >
               <icon-refresh /> 重试失败
             </a-button>
-              <a-popconfirm
-                content="确定软删该教辅？"
-                @ok="onDelete"
-              >
-                <a-button status="danger">
+            <a-popconfirm content="确定软删该教辅？" @ok="onDelete">
+              <a-button size="small" status="danger">
                 <icon-delete /> 删除
               </a-button>
             </a-popconfirm>
           </a-space>
-          </template>
-        </a-page-header>
-
-        <a-descriptions
-          :data="[]"
-          :column="3"
-          class="meta"
-          size="medium"
-        >
-          <a-descriptions-item label="zip sha256">
-            <a-typography-text code :ellipsis="{ showTooltip: true }">
-              {{ book.zip_sha256 }}
-            </a-typography-text>
-          </a-descriptions-item>
-          <a-descriptions-item label="zip 大小">
-            {{ formatBytes(book.zip_size) }}
-          </a-descriptions-item>
-          <a-descriptions-item label="类型">
-            {{ book.type || '-' }}
-          </a-descriptions-item>
-          <a-descriptions-item label="文档数">
-            <a-typography-text bold>
-              {{ book.total_count }}
-            </a-typography-text>
-            （成功 {{ book.success_count }}，失败 {{ book.failed_count }}）
-          </a-descriptions-item>
-          <a-descriptions-item label="创建">
-            {{ book.created_at?.slice(0, 19).replace('T', ' ') }}
-          </a-descriptions-item>
-          <a-descriptions-item label="更新">
-            {{ book.updated_at?.slice(0, 19).replace('T', ' ') }}
-          </a-descriptions-item>
-          <a-descriptions-item
-            v-if="book.error_msg"
-            label="错误"
-            :span="3"
-          >
-            <a-typography-text type="error">
-              {{ book.error_msg }}
-            </a-typography-text>
-          </a-descriptions-item>
-        </a-descriptions>
-
-        <a-divider orientation="left">
-          文档（{{ book.documents.length }}）
-        </a-divider>
-
-        <a-collapse v-if="book.documents.length">
-          <DocumentItem
-            v-for="doc in book.documents"
-            :key="doc.doc_id"
-            :doc="doc"
-          />
-        </a-collapse>
-        <a-empty v-else description="教辅中暂无文档" />
-      </template>
-      <a-empty v-else description="教辅不存在或已删除" />
+        </div>
       </a-card>
+
+      <!-- 4 张统计卡 -->
+      <a-row :gutter="16" class="stat-row">
+        <a-col :span="6">
+          <a-card :bordered="false" class="stat-card">
+            <div class="stat-label">文档总数</div>
+            <div class="stat-value">{{ book.total_count }}</div>
+          </a-card>
+        </a-col>
+        <a-col :span="6">
+          <a-card :bordered="false" class="stat-card stat-ok">
+            <div class="stat-label">成功</div>
+            <div class="stat-value">{{ book.success_count }}</div>
+          </a-card>
+        </a-col>
+        <a-col :span="6">
+          <a-card :bordered="false" class="stat-card stat-fail">
+            <div class="stat-label">失败</div>
+            <div class="stat-value">{{ book.failed_count }}</div>
+          </a-card>
+        </a-col>
+        <a-col :span="6">
+          <a-card :bordered="false" class="stat-card">
+            <div class="stat-label">完成率</div>
+            <div class="stat-value">{{ completionRate }}%</div>
+            <div class="progress-bar">
+              <div
+                class="progress-fill"
+                :style="{
+                  width: completionRate + '%',
+                  background: completionRate === 100 ? '#00b42a' : '#165dff',
+                }"
+              />
+            </div>
+          </a-card>
+        </a-col>
+      </a-row>
+
+      <!-- 左侧目录 + 右侧 Tabs -->
+      <div class="detail-body">
+        <a-card
+          :bordered="false"
+          class="doc-list-card"
+        >
+          <template #title>
+            <div class="card-title">
+              <icon-list />
+              <span>文档目录（{{ book.documents.length }}）</span>
+            </div>
+          </template>
+          <a-scrollbar style="height: 640px">
+            <a-empty
+              v-if="!book.documents.length"
+              description="暂无文档"
+            />
+            <ul v-else class="doc-list">
+              <li
+                v-for="(doc, idx) in book.documents"
+                :key="doc.doc_id"
+                :class="['doc-item', { active: selectedDocId === doc.doc_id }]"
+                @click="selectedDocId = doc.doc_id"
+              >
+                <div class="doc-item-main">
+                  <div class="doc-item-title">
+                    <span class="doc-num">{{ idx + 1 }}.</span>
+                    <span class="doc-name">{{ doc.original_filename.replace('.docx', '') }}</span>
+                  </div>
+                  <div class="doc-item-meta">
+                    <span class="doc-id">{{ truncate(doc.doc_id, 10) }}</span>
+                  </div>
+                </div>
+                <a-tag
+                  size="small"
+                  :color="statusColor[doc.status] || 'gray'"
+                >
+                  {{ statusText[doc.status] || doc.status }}
+                </a-tag>
+              </li>
+            </ul>
+          </a-scrollbar>
+        </a-card>
+
+        <a-card :bordered="false" class="preview-card">
+          <template #title>
+            <div class="card-title" v-if="selectedDoc">
+              <icon-eye />
+              <span>{{ selectedDoc.original_filename }}</span>
+            </div>
+            <div class="card-title" v-else>
+              <icon-eye />
+              <span>请选择文档</span>
+            </div>
+          </template>
+          <template v-if="selectedDoc">
+            <a-tabs v-model:active-key="activeTab" type="rounded-card">
+              <a-tab-pane key="word">
+                <template #title>
+                  <icon-file /> Word 源文件
+                </template>
+                <div class="preview-pane">
+                  <a-empty
+                    v-if="!fileUrl"
+                    description="文件未上传"
+                  />
+                  <div v-else class="file-info">
+                    <icon-file :size="48" style="color: #165dff" />
+                    <div class="file-text">
+                      <div class="file-title">Word 源文件</div>
+                      <div class="file-hint">docx 格式不能直接在浏览器中预览</div>
+                    </div>
+                    <a-button
+                      type="primary"
+                      size="large"
+                      @click="openInNewTab(fileUrl)"
+                    >
+                      <icon-download /> 下载 .docx
+                    </a-button>
+                  </div>
+                </div>
+              </a-tab-pane>
+
+              <a-tab-pane key="html">
+                <template #title>
+                  <icon-code /> HTML 预览
+                </template>
+                <div class="preview-pane">
+                  <a-spin v-if="fileLoading" tip="加载中..." />
+                  <a-empty
+                    v-else-if="!fileUrl"
+                    description="HTML 未生成或文档未就绪"
+                  />
+                  <iframe
+                    v-else
+                    :src="fileUrl"
+                    class="preview-iframe"
+                    :title="selectedDoc.original_filename"
+                  />
+                </div>
+              </a-tab-pane>
+
+              <a-tab-pane key="json">
+                <template #title>
+                  <icon-storage /> JSON 结构
+                </template>
+                <div class="preview-pane">
+                  <a-spin v-if="fileLoading" tip="加载中..." />
+                  <a-empty
+                    v-else-if="!fileUrl"
+                    description="JSON 未生成"
+                  />
+                  <div v-else class="file-info">
+                    <icon-code :size="48" style="color: #165dff" />
+                    <div class="file-text">
+                      <div class="file-title">JSON 结构数据</div>
+                      <div class="file-hint">点击下载查看完整的题目结构</div>
+                    </div>
+                    <a-button
+                      type="primary"
+                      size="large"
+                      @click="openInNewTab(fileUrl)"
+                    >
+                      <icon-download /> 下载 .json
+                    </a-button>
+                  </div>
+                </div>
+              </a-tab-pane>
+            </a-tabs>
+          </template>
+          <a-empty v-else description="请在左侧选择一份文档" />
+        </a-card>
+      </div>
+    </template>
+
+    <a-empty v-else description="教辅不存在或已删除" />
   </div>
 </template>
 
 <style scoped lang="less">
 .book-detail {
   padding: 16px;
+  background: var(--color-fill-1);
+  min-height: 100%;
+
+  .header-card {
+    margin-bottom: 16px;
+  }
+
+  .header-row {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+  }
+
+  .header-info {
+    flex: 1;
+    min-width: 0;
+
+    .book-name {
+      font-size: 20px;
+      font-weight: 600;
+      color: var(--color-text-1);
+      margin-bottom: 8px;
+      word-break: break-all;
+    }
+
+    .book-meta {
+      display: flex;
+      align-items: center;
+      gap: 12px;
+      flex-wrap: wrap;
+    }
+
+    .meta-text {
+      color: var(--color-text-3);
+      font-size: 13px;
+    }
+  }
+
+  .stat-row {
+    margin-bottom: 16px;
+  }
+
+  .stat-card {
+    :deep(.arco-card-body) {
+      padding: 16px 20px;
+    }
+
+    .stat-label {
+      font-size: 13px;
+      color: var(--color-text-3);
+      margin-bottom: 4px;
+    }
+
+    .stat-value {
+      font-size: 28px;
+      font-weight: 600;
+      color: var(--color-text-1);
+      line-height: 1.2;
+    }
+
+    .progress-bar {
+      margin-top: 8px;
+      height: 6px;
+      background: var(--color-fill-3);
+      border-radius: 3px;
+      overflow: hidden;
+    }
+
+    .progress-fill {
+      height: 100%;
+      transition: width 0.3s;
+    }
+
+    &.stat-ok .stat-value {
+      color: #00b42a;
+    }
+
+    &.stat-fail .stat-value {
+      color: #f53f3f;
+    }
+  }
+
+  .detail-body {
+    display: grid;
+    grid-template-columns: 380px 1fr;
+    gap: 16px;
+  }
+
+  .card-title {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    font-size: 15px;
+    font-weight: 500;
+  }
+
+  .doc-list-card {
+    align-self: start;
+
+    .doc-list {
+      list-style: none;
+      margin: 0;
+      padding: 0;
+    }
+
+    .doc-item {
+      display: flex;
+      justify-content: space-between;
+      align-items: center;
+      padding: 10px 12px;
+      margin-bottom: 4px;
+      border-radius: 4px;
+      cursor: pointer;
+      transition: all 0.15s;
+      border: 1px solid transparent;
+
+      &:hover {
+        background: var(--color-fill-2);
+      }
+
+      &.active {
+        background: rgb(var(--primary-1));
+        border-color: rgb(var(--primary-3));
+
+        .doc-name {
+          color: rgb(var(--primary-6));
+          font-weight: 500;
+        }
+      }
+    }
+
+    .doc-item-main {
+      flex: 1;
+      min-width: 0;
+      margin-right: 8px;
+    }
+
+    .doc-item-title {
+      display: flex;
+      align-items: baseline;
+      gap: 4px;
+    }
+
+    .doc-num {
+      color: var(--color-text-3);
+      font-family: var(--font-family-mono);
+      font-size: 12px;
+      flex-shrink: 0;
+    }
+
+    .doc-name {
+      font-size: 13px;
+      color: var(--color-text-1);
+      overflow: hidden;
+      text-overflow: ellipsis;
+      white-space: nowrap;
+    }
+
+    .doc-item-meta {
+      margin-top: 2px;
+      font-size: 11px;
+      color: var(--color-text-4);
+    }
+
+    .doc-id {
+      font-family: var(--font-family-mono);
+    }
+  }
+
+  .preview-card {
+    min-height: 700px;
+
+    .preview-pane {
+      min-height: 600px;
+      padding: 16px;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+    }
+
+    .file-info {
+      display: flex;
+      align-items: center;
+      gap: 24px;
+      padding: 32px;
+      background: var(--color-fill-1);
+      border-radius: 8px;
+      width: 100%;
+      max-width: 600px;
+      margin: 0 auto;
+    }
+
+    .file-text {
+      flex: 1;
+
+      .file-title {
+        font-size: 16px;
+        font-weight: 500;
+        margin-bottom: 4px;
+      }
+
+      .file-hint {
+        font-size: 13px;
+        color: var(--color-text-3);
+      }
+    }
+
+    .preview-iframe {
+      width: 100%;
+      height: 600px;
+      border: 1px solid var(--color-border-2);
+      border-radius: 4px;
+      background: white;
+    }
+  }
 }
-.meta {
-  margin-top: 16px;
-}
-:deep(.arco-descriptions-item-label) {
-  width: 100px;
+
+@media (max-width: 1024px) {
+  .book-detail .detail-body {
+    grid-template-columns: 1fr;
+  }
 }
 </style>