diff --git a/app/api/v1/document.py b/app/api/v1/document.py
index 6abb00c..a03ada8 100644
--- a/app/api/v1/document.py
+++ b/app/api/v1/document.py
@@ -335,6 +335,28 @@ async def get_ingest_task(task_id: str) -> dict[str, Any]:
     return ok(task)
 
 
+@router.post("/documents/tasks/{task_id}/retry")
+async def retry_ingest_task(
+    task_id: str, user: UserRecord = Depends(get_current_user)
+) -> JSONResponse:
+    """重试入库任务：用原 source 重新提交一个新任务，返回新 task_id"""
+    new_task_id = await _get_task_manager().retry(task_id)
+    if new_task_id is None:
+        raise ApiError(1004, "任务不存在或缺少重试所需的源信息")
+    return JSONResponse(
+        status_code=202, content=ok({"task_id": new_task_id, "status": "pending"})
+    )
+
+
+@router.delete("/documents/tasks/{task_id}")
+async def delete_ingest_task(
+    task_id: str, user: UserRecord = Depends(get_current_user)
+) -> dict[str, Any]:
+    """删除入库任务（内存注册表 + Redis 镜像），幂等"""
+    deleted = await _get_task_manager().delete(task_id)
+    return ok({"task_id": task_id, "deleted": deleted})
+
+
 @router.get("/documents")
 async def list_documents(
     limit: int = Query(default=20, ge=1, le=100),
diff --git a/app/core/ingest_tasks.py b/app/core/ingest_tasks.py
index a94b887..735da30 100644
--- a/app/core/ingest_tasks.py
+++ b/app/core/ingest_tasks.py
@@ -80,6 +80,7 @@ class IngestTaskManager:
         task_id = uuid.uuid4().hex
         now = _utc_now_iso()
         filename = self._extract_filename(doc)
+        source = self._extract_source(doc)
         dedup = get_dedup_strategy(self._redis)
 
         # 1. 去重命中：直接置 done，复用旧结果，不调 _run
@@ -95,6 +96,7 @@ class IngestTaskManager:
                 "result": result_dict,
                 "error": None,
                 "filename": filename,
+                "source": source,
             }
             self._schedule_mirror(task_id)
             logger.info(
@@ -113,6 +115,7 @@ class IngestTaskManager:
             "result": None,
             "error": None,
             "filename": filename,
+            "source": source,
         }
         self._schedule_mirror(task_id)
         background = asyncio.create_task(self._run(task_id, doc, dedup))
@@ -190,15 +193,62 @@ class IngestTaskManager:
         """从文档输入提取展示用文件名：优先 metadata.original_filename，其次 title"""
         return doc.metadata.get("original_filename") or doc.title or None
 
+    @staticmethod
+    def _extract_source(doc: DocumentInput) -> dict[str, Any]:
+        """从文档输入提取重试所需的源信息（供 retry 复用，含文件路径/大小）"""
+        return {
+            "text": doc.text,
+            "title": doc.title,
+            "source": doc.source,
+            "metadata": dict(doc.metadata),
+        }
+
+    async def retry(self, task_id: str) -> str | None:
+        """重试失败/已完成的入库任务：用原 source 重新提交一个新任务
+
+        返回新 task_id；任务不存在或缺少 source 时返回 None。
+        """
+        record = await self.get(task_id)
+        if record is None:
+            return None
+        source = record.get("source")
+        if not isinstance(source, dict) or not source.get("text"):
+            return None
+        doc = DocumentInput(
+            text=source["text"],
+            title=source.get("title") or "",
+            source=source.get("source") or "",
+            metadata=source.get("metadata") or {},
+        )
+        return await self.submit(doc)
+
+    async def delete(self, task_id: str) -> bool:
+        """删除入库任务（内存注册表 + Redis 镜像），不存在返回 False"""
+        existed = self._tasks.pop(task_id, None) is not None
+        if self._redis is not None:
+            try:
+                get_client = getattr(self._redis, "_get_client", None)
+                if callable(get_client):
+                    await get_client().delete(f"{REDIS_KEY_PREFIX}{task_id}")
+                    existed = True
+            except Exception:
+                logger.warning("删除 Redis 任务镜像失败", task_id=task_id, exc_info=True)
+        return existed
+
     @staticmethod
     def _to_list_item(record: dict[str, Any]) -> dict[str, Any]:
         """从完整任务记录提取列表展示字段"""
         result = record.get("result")
         doc_id = result.get("document_id") if isinstance(result, dict) else None
+        source = record.get("source") or {}
+        metadata = source.get("metadata") or {}
         return {
             "task_id": record.get("task_id"),
             "status": record.get("status"),
             "filename": record.get("filename"),
+            "title": source.get("title"),
+            "source": source.get("source"),
+            "size_bytes": metadata.get("original_size_bytes"),
             "created_at": record.get("created_at"),
             "updated_at": record.get("updated_at"),
             "doc_id": doc_id,
diff --git a/frontend/src/api/documents.js b/frontend/src/api/documents.js
index 047fe92..c38b288 100644
--- a/frontend/src/api/documents.js
+++ b/frontend/src/api/documents.js
@@ -83,6 +83,24 @@ export function taskList(limit = 20) {
   return http.get('/api/v1/documents/tasks', { params: { limit } })
 }
 
+/**
+ * 重试入库任务（用原 source 重新提交新任务）
+ * @param {string} taskId
+ * @returns {Promise<{task_id:string, status:string}>}
+ */
+export function retryTask(taskId) {
+  return http.post(`/api/v1/documents/tasks/${encodeURIComponent(taskId)}/retry`)
+}
+
+/**
+ * 删除入库任务
+ * @param {string} taskId
+ * @returns {Promise<{task_id:string, deleted:boolean}>}
+ */
+export function deleteTask(taskId) {
+  return http.delete(`/api/v1/documents/tasks/${encodeURIComponent(taskId)}`)
+}
+
 /**
  * 查询入库任务状态
  * @param {string} taskId
diff --git a/frontend/src/composables/useTasksDrawer.js b/frontend/src/composables/useTasksDrawer.js
new file mode 100644
index 0000000..0aa4b4a
--- /dev/null
+++ b/frontend/src/composables/useTasksDrawer.js
@@ -0,0 +1,21 @@
+import { reactive } from 'vue'
+
+/**
+ * 入库进度右侧 Drawer 的全局共享开关状态
+ *
+ * 该 Drawer 渲染在 MainLayout 中，但可由任意子页面（如 Library）触发打开，
+ * 因此通过单例 reactive 状态 + open()/close() 方法解耦，避免多层 prop 传递。
+ */
+const state = reactive({ open: false })
+
+export function useTasksDrawer() {
+  return {
+    state,
+    open() {
+      state.open = true
+    },
+    close() {
+      state.open = false
+    }
+  }
+}
\ No newline at end of file
diff --git a/frontend/src/layouts/MainLayout.vue b/frontend/src/layouts/MainLayout.vue
index b538556..d6c2947 100644
--- a/frontend/src/layouts/MainLayout.vue
+++ b/frontend/src/layouts/MainLayout.vue
@@ -5,9 +5,6 @@ import { storeToRefs } from 'pinia'
 import { Modal, message } from 'ant-design-vue'
 import {
   DashboardOutlined,
-  FileTextOutlined,
-  UploadOutlined,
-  SearchOutlined,
   AppstoreOutlined,
   SettingOutlined,
   MenuFoldOutlined,
@@ -21,11 +18,14 @@ import {
 import { useAuthStore } from '@/stores/useAuthStore'
 import { changeMyPassword } from '@/api/auth'
 import { callApi } from '@/api/client'
+import TasksDrawer from '@/views/TasksDrawer.vue'
+import { useTasksDrawer } from '@/composables/useTasksDrawer'
 
 const route = useRoute()
 const router = useRouter()
 const authStore = useAuthStore()
 const { user, displayName } = storeToRefs(authStore)
+const tasksDrawer = useTasksDrawer()
 
 const collapsed = ref(false)
 
@@ -37,12 +37,9 @@ const openKeys = ref(['main'])
 
 const menuItems = computed(() => {
   const items = [
-    { key: 'overview', icon: () => h(DashboardOutlined), label: '概览' },
-    { key: 'documents', icon: () => h(FileTextOutlined), label: '文档管理' },
-    { key: 'ingest', icon: () => h(UploadOutlined), label: '文档入库' },
+    { key: 'overview', icon: () => h(DashboardOutlined), label: '概览与检索' },
+    { key: 'library', icon: () => h(AppstoreOutlined), label: '知识库' },
     { key: 'tasks', icon: () => h(ClockCircleOutlined), label: '入库进度' },
-    { key: 'search', icon: () => h(SearchOutlined), label: '检索测试台' },
-    { key: 'categories', icon: () => h(AppstoreOutlined), label: '类目列表' },
     { key: 'settings', icon: () => h(SettingOutlined), label: '设置' },
     { key: 'api-docs', icon: () => h(ApiOutlined), label: 'API 说明' }
   ]
@@ -53,6 +50,10 @@ const menuItems = computed(() => {
 })
 
 function handleMenuClick({ key }) {
+  if (key === 'tasks') {
+    tasksDrawer.open()
+    return
+  }
   if (key && key !== route.name) {
     router.push({ name: key })
   }
@@ -194,6 +195,9 @@ async function handleSubmitPassword() {
       </a-layout-footer>
     </a-layout>
 
+    <!-- 入库进度右侧 Drawer -->
+    <TasksDrawer />
+
     <!-- 强制改密弹窗（must_change_password 用户，不可关闭） -->
     <a-modal
       v-model:open="passwordModalVisible"
diff --git a/frontend/src/router/index.js b/frontend/src/router/index.js
index b593ecb..aa2cb96 100644
--- a/frontend/src/router/index.js
+++ b/frontend/src/router/index.js
@@ -18,37 +18,13 @@ const routes = [
         path: 'overview',
         name: 'overview',
         component: () => import('@/views/Overview.vue'),
-        meta: { title: '概览', requiresAuth: true }
+        meta: { title: '概览与检索', requiresAuth: true }
       },
       {
-        path: 'documents',
-        name: 'documents',
-        component: () => import('@/views/Documents.vue'),
-        meta: { title: '文档管理', requiresAuth: true }
-      },
-      {
-        path: 'ingest',
-        name: 'ingest',
-        component: () => import('@/views/Ingest.vue'),
-        meta: { title: '文档入库', requiresAuth: true }
-      },
-      {
-        path: 'tasks',
-        name: 'tasks',
-        component: () => import('@/views/Tasks.vue'),
-        meta: { title: '入库进度', requiresAuth: true }
-      },
-      {
-        path: 'search',
-        name: 'search',
-        component: () => import('@/views/Search.vue'),
-        meta: { title: '检索测试台', requiresAuth: true }
-      },
-      {
-        path: 'categories',
-        name: 'categories',
-        component: () => import('@/views/Categories.vue'),
-        meta: { title: '类目列表', requiresAuth: true }
+        path: 'library',
+        name: 'library',
+        component: () => import('@/views/Library.vue'),
+        meta: { title: '知识库', requiresAuth: true }
       },
       {
         path: 'settings',
diff --git a/frontend/src/utils/format.js b/frontend/src/utils/format.js
index a8f8e3d..03ab8ce 100644
--- a/frontend/src/utils/format.js
+++ b/frontend/src/utils/format.js
@@ -10,6 +10,20 @@ export function truncate(text, maxLen = 80) {
   return s.length > maxLen ? `${s.slice(0, maxLen)}…` : s
 }
 
+/**
+ * 格式化字节数为人类可读大小
+ * @param {number|null|undefined} bytes
+ * @returns {string}
+ */
+export function formatSize(bytes) {
+  if (bytes == null || bytes === '') return '-'
+  const n = Number(bytes)
+  if (Number.isNaN(n)) return '-'
+  if (n < 1024) return `${n} B`
+  if (n < 1024 * 1024) return `${(n / 1024).toFixed(1)} KB`
+  return `${(n / 1024 / 1024).toFixed(1)} MB`
+}
+
 /**
  * 安全拼接类名
  * @param  {...(string | false | null | undefined)} args
diff --git a/frontend/src/views/Categories.vue b/frontend/src/views/Categories.vue
deleted file mode 100644
index ae1e23b..0000000
--- a/frontend/src/views/Categories.vue
+++ /dev/null
@@ -1,70 +0,0 @@
-<script setup>
-import { onMounted, ref } from 'vue'
-import { message } from 'ant-design-vue'
-import { categories as fetchCategories } from '@/api/knowledge'
-
-const isLoading = ref(false)
-const categoriesData = ref([])
-
-const columns = [
-  { title: '名称', dataIndex: 'name', key: 'name' },
-  { title: '描述', dataIndex: 'description', key: 'description' }
-]
-
-async function loadCategories() {
-  isLoading.value = true
-  try {
-    const data = await fetchCategories()
-    categoriesData.value = data.categories || []
-  } catch (err) {
-    message.error(err?.message || '加载类目列表失败')
-  } finally {
-    isLoading.value = false
-  }
-}
-
-onMounted(() => {
-  loadCategories()
-})
-</script>
-
-<template>
-  <div class="categories page-section">
-    <div class="categories__header">
-      <h2 class="categories__title">类目列表</h2>
-      <a-button :loading="isLoading" @click="loadCategories">刷新</a-button>
-    </div>
-
-    <a-table
-      :columns="columns"
-      :data-source="categoriesData"
-      :pagination="false"
-      :loading="isLoading"
-      row-key="name"
-      size="small"
-    >
-      <template #bodyCell="{ column, record }">
-        <template v-if="column.key === 'name'">
-          <a-tag color="blue">{{ record.name }}</a-tag>
-        </template>
-        <template v-else-if="column.key === 'description'">
-          <span>{{ record.description || '-' }}</span>
-        </template>
-      </template>
-    </a-table>
-  </div>
-</template>
-
-<style scoped>
-.categories__header {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  margin-bottom: 12px;
-}
-
-.categories__title {
-  font-size: 16px;
-  margin: 0;
-}
-</style>
diff --git a/frontend/src/views/Documents.vue b/frontend/src/views/Documents.vue
deleted file mode 100644
index 110c24c..0000000
--- a/frontend/src/views/Documents.vue
+++ /dev/null
@@ -1,346 +0,0 @@
-<script setup>
-import { onMounted, reactive, ref } from 'vue'
-import { message, Modal } from 'ant-design-vue'
-import { FileOutlined } from '@ant-design/icons-vue'
-import {
-  list as fetchDocuments,
-  detail as fetchDocumentDetail,
-  remove as deleteDocument,
-  reingest as reingestDocument
-} from '@/api/documents'
-import { truncate } from '@/utils/format'
-
-function formatSize(bytes) {
-  if (bytes == null) return ''
-  if (bytes < 1024) return `${bytes} B`
-  if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`
-  return `${(bytes / 1024 / 1024).toFixed(1)} MB`
-}
-
-const isLoading = ref(false)
-const isLoadingDetail = ref(false)
-const isDeleting = ref(false)
-const isReingesting = ref(false)
-
-const documents = ref([])
-const nextOffset = ref(null)
-
-const detailVisible = ref(false)
-const detailData = ref(null)
-
-const statusText = reactive({
-  text: ''
-})
-
-function updateStatusText() {
-  statusText.text =
-    nextOffset.value === null ? '已加载全部' : '还有更多，可继续加载'
-}
-
-async function loadDocuments(reset = false) {
-  isLoading.value = true
-  try {
-    const offset = reset ? null : nextOffset.value
-    const data = await fetchDocuments(20, offset)
-    if (reset) {
-      documents.value = data.items || []
-    } else {
-      documents.value = documents.value.concat(data.items || [])
-    }
-    nextOffset.value = data.next_offset ?? null
-    updateStatusText()
-  } catch (err) {
-    message.error(err?.message || '加载文档列表失败')
-  } finally {
-    isLoading.value = false
-  }
-}
-
-async function handleLoadMore() {
-  await loadDocuments(false)
-}
-
-function handleViewDetail(docId) {
-  detailVisible.value = true
-  detailData.value = null
-  loadDocDetail(docId)
-}
-
-async function loadDocDetail(docId) {
-  isLoadingDetail.value = true
-  try {
-    detailData.value = await fetchDocumentDetail(docId)
-  } catch (err) {
-    message.error(err?.message || '加载文档详情失败')
-  } finally {
-    isLoadingDetail.value = false
-  }
-}
-
-function handleDelete(doc) {
-  const title = doc.title || doc.doc_id
-  Modal.confirm({
-    title: '确认删除',
-    content: `确定删除文档「${title}」(${doc.doc_id}) 吗？该操作将删除四层集合中的全部数据，不可恢复。`,
-    okText: '删除',
-    okType: 'danger',
-    cancelText: '取消',
-    async onOk() {
-      isDeleting.value = true
-      try {
-        const data = await deleteDocument(doc.doc_id)
-        message.success(`已删除 ${data.deleted_total ?? 0} 条数据`)
-        detailVisible.value = false
-        await loadDocuments(true)
-      } catch (err) {
-        message.error(err?.message || '删除文档失败')
-      } finally {
-        isDeleting.value = false
-      }
-    }
-  })
-}
-
-// 重新摘要入库：读原文件→删旧数据→提交新任务
-function handleReingest(doc) {
-  const title = doc.title || doc.doc_id
-  Modal.confirm({
-    title: '重新摘要入库',
-    content: `将重新读取文档「${title}」(${doc.doc_id}) 的原始文件，删除旧数据后重新生成三级总结并入库。生成新的 doc_id。是否继续？`,
-    okText: '重新入库',
-    cancelText: '取消',
-    okType: 'primary',
-    async onOk() {
-      try {
-        const data = await reingestDocument(doc.doc_id)
-        message.success(`已提交重新入库任务：${data.task_id}`)
-      } catch (err) {
-        message.error(err?.message || '重新入库失败')
-      }
-    }
-  })
-}
-
-function handleCloseDetail() {
-  detailVisible.value = false
-  detailData.value = null
-}
-
-const columns = [
-  { title: '标题', dataIndex: 'title', key: 'title', ellipsis: true },
-  { title: '类目', dataIndex: 'category', key: 'category', width: 140 },
-  { title: '标签', dataIndex: 'tags', key: 'tags', width: 220 },
-  { title: 'L1 摘要', dataIndex: 'summary', key: 'summary', ellipsis: true },
-  { title: '操作', key: 'action', width: 200, fixed: 'right' }
-]
-
-function getDocTitle(record) {
-  return record?.title || '(无标题)'
-}
-
-onMounted(() => {
-  loadDocuments(true)
-})
-</script>
-
-<template>
-  <div class="documents page-section">
-    <div class="documents__header">
-      <h2 class="documents__title">文档管理</h2>
-    </div>
-
-    <a-table
-      :columns="columns"
-      :data-source="documents"
-      :pagination="false"
-      :loading="isLoading"
-      row-key="doc_id"
-      size="small"
-      :scroll="{ x: 900 }"
-    >
-      <template #bodyCell="{ column, record }">
-        <template v-if="column.key === 'title'">
-          <span :title="record.title">{{ getDocTitle(record) }}</span>
-        </template>
-        <template v-else-if="column.key === 'category'">
-          <a-tag v-if="record.category" color="blue">{{ record.category }}</a-tag>
-          <span v-else class="text-muted">-</span>
-        </template>
-        <template v-else-if="column.key === 'tags'">
-          <template v-if="record.tags && record.tags.length">
-            <a-tag v-for="tag in record.tags" :key="tag">{{ tag }}</a-tag>
-          </template>
-          <span v-else class="text-muted">-</span>
-        </template>
-        <template v-else-if="column.key === 'summary'">
-          <span :title="record.summary">{{ truncate(record.summary, 80) }}</span>
-        </template>
-        <template v-else-if="column.key === 'action'">
-          <a-space>
-            <a-button type="link" size="small" @click="handleViewDetail(record.doc_id)">
-              详情
-            </a-button>
-            <a-button
-              type="link"
-              size="small"
-              :loading="isReingesting"
-              @click="handleReingest(record)"
-            >
-              重新摘要
-            </a-button>
-            <a-button
-              type="link"
-              size="small"
-              danger
-              :loading="isDeleting"
-              @click="handleDelete(record)"
-            >
-              删除
-            </a-button>
-          </a-space>
-        </template>
-      </template>
-    </a-table>
-
-    <div class="toolbar documents__toolbar">
-      <a-button
-        :loading="isLoading"
-        :disabled="nextOffset === null"
-        @click="handleLoadMore"
-      >
-        加载更多
-      </a-button>
-      <span class="text-muted" style="margin-left: 12px">{{ statusText.text }}</span>
-    </div>
-
-    <a-drawer
-      :open="detailVisible"
-      title="文档详情"
-      placement="right"
-      width="640"
-      :destroy-on-close="true"
-      @close="handleCloseDetail"
-    >
-      <a-spin :spinning="isLoadingDetail">
-        <div v-if="detailData">
-          <a-descriptions :column="1" size="small" bordered>
-            <a-descriptions-item label="doc_id">
-              {{ detailData.l1?.doc_id || '-' }}
-            </a-descriptions-item>
-            <a-descriptions-item label="标题">
-              {{ detailData.l1?.title || '-' }}
-            </a-descriptions-item>
-            <a-descriptions-item label="类目">
-              {{ detailData.l1?.category || '-' }}
-            </a-descriptions-item>
-            <a-descriptions-item label="标签">
-              <template v-if="detailData.l1?.tags && detailData.l1.tags.length">
-                <a-tag v-for="tag in detailData.l1.tags" :key="tag">{{ tag }}</a-tag>
-              </template>
-              <span v-else class="text-muted">-</span>
-            </a-descriptions-item>
-            <a-descriptions-item label="chunks_count">
-              {{ detailData.chunks_count ?? 0 }}
-            </a-descriptions-item>
-            <a-descriptions-item label="原文文件" v-if="detailData.file">
-              <a :href="detailData.file.url" target="_blank" rel="noopener">
-                <FileOutlined />
-                {{ detailData.file.filename }}
-                <span class="text-muted" v-if="detailData.file.size_bytes">
-                  （{{ formatSize(detailData.file.size_bytes) }}）
-                </span>
-              </a>
-            </a-descriptions-item>
-          </a-descriptions>
-
-          <h3 class="documents__section-title">L1 全文</h3>
-          <pre class="documents__pre">{{ detailData.l1?.text || '' }}</pre>
-
-          <h3 class="documents__section-title">
-            L2 节点（{{ (detailData.l2_nodes || []).length }}）
-          </h3>
-          <div v-if="(detailData.l2_nodes || []).length === 0" class="text-muted">无</div>
-          <div
-            v-for="(node, idx) in detailData.l2_nodes || []"
-            :key="`l2-${idx}`"
-            class="documents__node"
-          >
-            <div class="documents__node-path">{{ node.section_path || '' }}</div>
-            <div class="documents__node-text text-break">{{ node.text || '' }}</div>
-          </div>
-
-          <h3 class="documents__section-title">
-            L3 节点（{{ (detailData.l3_nodes || []).length }}）
-          </h3>
-          <div v-if="(detailData.l3_nodes || []).length === 0" class="text-muted">无</div>
-          <div
-            v-for="(node, idx) in detailData.l3_nodes || []"
-            :key="`l3-${idx}`"
-            class="documents__node"
-          >
-            <div class="documents__node-path">{{ node.section_path || '' }}</div>
-            <div class="documents__node-text text-break">{{ node.text || '' }}</div>
-          </div>
-        </div>
-        <div v-else-if="!isLoadingDetail" class="text-muted">暂无数据</div>
-      </a-spin>
-    </a-drawer>
-  </div>
-</template>
-
-<style scoped>
-.documents__header {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  margin-bottom: 12px;
-}
-
-.documents__title {
-  font-size: 16px;
-  margin: 0;
-}
-
-.documents__toolbar {
-  display: flex;
-  align-items: center;
-}
-
-.documents__section-title {
-  font-size: 14px;
-  margin: 16px 0 8px;
-  color: #374151;
-}
-
-.documents__pre {
-  background: #f9fafb;
-  border: 1px solid #e5e7eb;
-  border-radius: 4px;
-  padding: 8px;
-  white-space: pre-wrap;
-  word-break: break-word;
-  font-size: 12px;
-  max-height: 260px;
-  overflow: auto;
-  margin: 0;
-}
-
-.documents__node {
-  border-left: 3px solid #93c5fd;
-  padding: 6px 10px;
-  margin-bottom: 6px;
-  background: #f8fafc;
-  border-radius: 0 4px 4px 0;
-}
-
-.documents__node-path {
-  font-size: 12px;
-  color: #6b7280;
-  margin-bottom: 4px;
-}
-
-.documents__node-text {
-  font-size: 13px;
-  color: #1f2937;
-}
-</style>
diff --git a/frontend/src/views/Ingest.vue b/frontend/src/views/Ingest.vue
deleted file mode 100644
index 68abc92..0000000
--- a/frontend/src/views/Ingest.vue
+++ /dev/null
@@ -1,495 +0,0 @@
-<script setup>
-import { computed, reactive, ref } from 'vue'
-import { message } from 'ant-design-vue'
-import {
-  ingest as ingestDocument,
-  upload as uploadDocument,
-  uploadBatch
-} from '@/api/documents'
-import { useIngestPolling } from '@/composables/useIngestPolling'
-import {
-  INGEST_STATUS_TEXT,
-  INGEST_STATUS_COLOR
-} from '@/constants/ingest'
-
-const { state: pollState, startPolling, stopPolling } = useIngestPolling()
-
-const activeTab = ref('text')
-
-const isSubmittingText = ref(false)
-const isSubmittingFile = ref(false)
-
-const textFormRef = ref(null)
-const textForm = reactive({
-  title: '',
-  source: '',
-  text: ''
-})
-
-const textRules = {
-  title: [{ required: true, message: '请输入标题', trigger: 'blur' }],
-  text: [{ required: true, message: '请输入正文', trigger: 'blur' }]
-}
-
-const fileForm = reactive({
-  title: '',
-  source: ''
-})
-const fileList = ref([])
-const rawFile = ref(null)
-
-// 批量上传结果：{tasks: [{filename, task_id}], failed: [{filename, error}]}
-const batchResult = ref(null)
-const isSubmittingBatch = ref(false)
-
-const ACCEPTED_EXTENSIONS = '.txt,.md,.html,.htm,.pdf,.docx'
-
-const statusBadgeColor = computed(() => {
-  return INGEST_STATUS_COLOR[pollState.status] || 'default'
-})
-
-const batchColumns = [
-  { title: '文件名', dataIndex: 'filename', key: 'filename', ellipsis: true },
-  { title: 'task_id', dataIndex: 'task_id', key: 'task_id', width: 260 }
-]
-
-const failedColumns = [
-  { title: '文件名', dataIndex: 'filename', key: 'filename', ellipsis: true },
-  { title: '错误', dataIndex: 'error', key: 'error' }
-]
-
-const statusBadgeText = computed(() => {
-  return INGEST_STATUS_TEXT[pollState.status] || pollState.status || '-'
-})
-
-const isTerminal = computed(() =>
-  ['done', 'failed'].includes(pollState.status)
-)
-
-const resultData = computed(() => pollState.task?.result || null)
-const errorData = computed(() => pollState.task?.error || pollState.error || null)
-const summaryData = computed(() => resultData.value?.summary || {})
-const partialSummary = computed(() => errorData.value?.partial_summary || null)
-
-function handleFileChange(file) {
-  // a-upload before-upload 返回 false 表示不自动上传；保存原始 File 供 FormData 使用
-  rawFile.value = file
-  fileList.value = [file]
-  return false
-}
-
-function handleFileRemove(file) {
-  rawFile.value = null
-  fileList.value = []
-  batchResult.value = null
-}
-
-// 批量上传：before-upload 返回 false，收集多个 File 到 fileList
-function handleBatchFileChange(file, fileListArg) {
-  const files = fileListArg.map((f) => f.originFileObj || f)
-  fileList.value = files
-  batchResult.value = null
-  return false
-}
-
-function handleBatchRemove(file) {
-  fileList.value = fileList.value.filter((f) => f !== file && f.name !== file.name)
-  batchResult.value = null
-}
-
-function handleBatchClear() {
-  fileList.value = []
-  batchResult.value = null
-}
-
-async function handleSubmitText() {
-  try {
-    await textFormRef.value.validate()
-  } catch {
-    return
-  }
-  isSubmittingText.value = true
-  try {
-    const payload = {
-      title: textForm.title,
-      text: textForm.text
-    }
-    if (textForm.source) {
-      payload.source = textForm.source
-    }
-    const data = await ingestDocument(payload)
-    message.success('任务已提交')
-    startPolling(data.task_id)
-  } catch (err) {
-    message.error(err?.message || '提交入库失败')
-  } finally {
-    isSubmittingText.value = false
-  }
-}
-
-async function handleSubmitFile() {
-  if (!rawFile.value) {
-    message.warning('请选择文件')
-    return
-  }
-  isSubmittingFile.value = true
-  try {
-    const formData = new FormData()
-    formData.append('file', rawFile.value)
-    if (fileForm.title) {
-      formData.append('title', fileForm.title)
-    }
-    if (fileForm.source) {
-      formData.append('source', fileForm.source)
-    }
-    const data = await uploadDocument(formData)
-    message.success('任务已提交')
-    startPolling(data.task_id)
-  } catch (err) {
-    message.error(err?.message || '上传入库失败')
-  } finally {
-    isSubmittingFile.value = false
-  }
-}
-
-async function handleSubmitBatch() {
-  if (!fileList.value.length) {
-    message.warning('请选择文件')
-    return
-  }
-  isSubmittingBatch.value = true
-  try {
-    const data = await uploadBatch(fileList.value)
-    batchResult.value = data
-    const okCount = data.tasks?.length || 0
-    const failCount = data.failed?.length || 0
-    if (okCount > 0) {
-      message.success(`已提交 ${okCount} 个任务${failCount > 0 ? `，${failCount} 个失败` : ''}`)
-    } else if (failCount > 0) {
-      message.error(`全部 ${failCount} 个文件上传失败`)
-    }
-    // 若仅一个成功任务，直接轮询其进度
-    if (data.tasks?.length === 1 && failCount === 0) {
-      startPolling(data.tasks[0].task_id)
-    }
-  } catch (err) {
-    message.error(err?.message || '批量上传失败')
-  } finally {
-    isSubmittingBatch.value = false
-  }
-}
-
-function handleCancelPolling() {
-  stopPolling()
-  message.info('已停止轮询')
-}
-</script>
-
-<template>
-  <div class="ingest page-section">
-    <div class="ingest__header">
-      <h2 class="ingest__title">文档入库</h2>
-    </div>
-
-    <a-tabs v-model:activeKey="activeTab">
-      <a-tab-pane key="text" tab="文本入库">
-        <a-form
-          ref="textFormRef"
-          :model="textForm"
-          :rules="textRules"
-          layout="vertical"
-        >
-          <a-form-item label="标题" name="title">
-            <a-input v-model:value="textForm.title" placeholder="请输入标题" allow-clear />
-          </a-form-item>
-          <a-form-item label="来源" name="source">
-            <a-input
-              v-model:value="textForm.source"
-              placeholder="例如：manual / web / file"
-              allow-clear
-            />
-          </a-form-item>
-          <a-form-item label="正文" name="text">
-            <a-textarea
-              v-model:value="textForm.text"
-              placeholder="请输入文档正文"
-              :auto-size="{ minRows: 8, maxRows: 18 }"
-            />
-          </a-form-item>
-          <a-form-item>
-            <a-button
-              type="primary"
-              :loading="isSubmittingText || pollState.isPolling"
-              @click="handleSubmitText"
-            >
-              提交入库
-            </a-button>
-          </a-form-item>
-        </a-form>
-      </a-tab-pane>
-
-      <a-tab-pane key="file" tab="文件上传">
-        <a-form
-          :model="fileForm"
-          layout="vertical"
-        >
-          <a-form-item label="选择文件">
-            <a-upload
-              :file-list="fileList"
-              :accept="ACCEPTED_EXTENSIONS"
-              :max-count="1"
-              :before-upload="handleFileChange"
-              @remove="handleFileRemove"
-            >
-              <a-button :disabled="fileList.length >= 1">选择文件</a-button>
-            </a-upload>
-            <div class="text-muted" style="margin-top: 4px">
-              支持 .txt/.md/.html/.htm/.pdf/.docx
-            </div>
-          </a-form-item>
-          <a-form-item label="标题（可选，默认取文件名）" name="title">
-            <a-input
-              v-model:value="fileForm.title"
-              placeholder="留空则使用文件名去扩展"
-              allow-clear
-            />
-          </a-form-item>
-          <a-form-item label="来源（可选，默认 file:原文件名）" name="source">
-            <a-input
-              v-model:value="fileForm.source"
-              placeholder="例如：manual / web"
-              allow-clear
-            />
-          </a-form-item>
-          <a-form-item>
-            <a-button
-              type="primary"
-              :loading="isSubmittingFile || pollState.isPolling"
-              @click="handleSubmitFile"
-            >
-              上传入库
-            </a-button>
-          </a-form-item>
-        </a-form>
-      </a-tab-pane>
-
-      <a-tab-pane key="batch" tab="批量上传">
-        <a-form :model="fileForm" layout="vertical">
-          <a-form-item label="选择文件（可多选）">
-            <a-upload
-              multiple
-              :file-list="fileList"
-              :accept="ACCEPTED_EXTENSIONS"
-              :before-upload="handleBatchFileChange"
-              @remove="handleBatchRemove"
-            >
-              <a-button>选择文件</a-button>
-            </a-upload>
-            <div class="text-muted" style="margin-top: 4px">
-              支持 .txt/.md/.html/.htm/.pdf/.docx，可多选，逐文件异步入库
-            </div>
-          </a-form-item>
-          <a-form-item v-if="fileList.length">
-            <a-button type="primary" :loading="isSubmittingBatch" @click="handleSubmitBatch">
-              批量上传入库（{{ fileList.length }} 个文件）
-            </a-button>
-            <a-button
-              style="margin-left: 8px"
-              :disabled="isSubmittingBatch"
-              @click="handleBatchClear"
-            >
-              清空
-            </a-button>
-          </a-form-item>
-        </a-form>
-
-        <div v-if="batchResult" class="ingest__result" style="margin-top: 16px">
-          <div class="ingest__result-header">
-            <span>批量上传结果</span>
-          </div>
-          <a-alert
-            v-if="batchResult.failed && batchResult.failed.length"
-            class="ingest__alert"
-            type="error"
-            show-icon
-            :message="`${batchResult.failed.length} 个文件上传失败`"
-          />
-          <a-table
-            v-if="batchResult.tasks && batchResult.tasks.length"
-            :data-source="batchResult.tasks"
-            :columns="batchColumns"
-            :pagination="false"
-            size="small"
-            row-key="task_id"
-          >
-            <template #bodyCell="{ column, record }">
-              <template v-if="column.key === 'filename'">
-                <span :title="record.filename">{{ record.filename }}</span>
-              </template>
-              <template v-else-if="column.key === 'task_id'">
-                <a-typography-text
-                  copyable
-                  :style="{ fontSize: '12px' }"
-                >{{ record.task_id }}</a-typography-text>
-              </template>
-            </template>
-          </a-table>
-          <a-table
-            v-if="batchResult.failed && batchResult.failed.length"
-            :data-source="batchResult.failed"
-            :columns="failedColumns"
-            :pagination="false"
-            size="small"
-            row-key="filename"
-            style="margin-top: 12px"
-          >
-            <template #bodyCell="{ column, record }">
-              <template v-if="column.key === 'error'">
-                <span class="text-break">{{ record.error }}</span>
-              </template>
-            </template>
-          </a-table>
-        </div>
-      </a-tab-pane>
-    </a-tabs>
-
-    <div v-if="pollState.taskId" class="ingest__result">
-      <div class="ingest__result-header">
-        <span>任务已提交：{{ pollState.taskId }}</span>
-        <a-tag :color="statusBadgeColor">{{ statusBadgeText }}</a-tag>
-        <a-button
-          v-if="pollState.isPolling"
-          type="link"
-          size="small"
-          @click="handleCancelPolling"
-        >
-          停止轮询
-        </a-button>
-      </div>
-
-      <a-alert
-        v-if="pollState.isTimeout"
-        class="ingest__alert"
-        type="warning"
-        show-icon
-        :message="`任务仍在进行，可稍后凭 task_id 查询：${pollState.taskId}`"
-      />
-
-      <a-alert
-        v-if="pollState.error && !pollState.task"
-        class="ingest__alert"
-        type="error"
-        show-icon
-        :message="pollState.error?.message || '轮询失败'"
-      />
-
-      <div v-if="isTerminal && pollState.status === 'done' && resultData" class="ingest__done">
-        <a-descriptions :column="1" size="small" bordered>
-          <a-descriptions-item label="document_id">
-            {{ resultData.document_id || '-' }}
-          </a-descriptions-item>
-          <a-descriptions-item label="类目">
-            {{ resultData.category || '-' }}（置信度 {{ resultData.category_confidence ?? '-' }}）
-          </a-descriptions-item>
-          <a-descriptions-item label="标签">
-            <template v-if="resultData.tags && resultData.tags.length">
-              <a-tag v-for="tag in resultData.tags" :key="tag">{{ tag }}</a-tag>
-            </template>
-            <span v-else class="text-muted">-</span>
-          </a-descriptions-item>
-          <a-descriptions-item label="总结层级">
-            {{ summaryData.level ?? '-' }}
-          </a-descriptions-item>
-          <a-descriptions-item label="写入集合">
-            {{ resultData.collection || '-' }}
-          </a-descriptions-item>
-          <a-descriptions-item label="chunks_count">
-            {{ resultData.chunks_count ?? 0 }}
-          </a-descriptions-item>
-        </a-descriptions>
-        <h3 class="ingest__section-title">L1 总结</h3>
-        <pre class="ingest__pre">{{ summaryData.l1_summary || '' }}</pre>
-      </div>
-
-      <div v-if="isTerminal && pollState.status === 'failed'" class="ingest__failed">
-        <a-descriptions :column="1" size="small" bordered>
-          <a-descriptions-item label="失败阶段">
-            {{ errorData?.stage || '-' }}
-          </a-descriptions-item>
-          <a-descriptions-item label="错误信息">
-            <span class="text-break">{{ errorData?.message || '-' }}</span>
-          </a-descriptions-item>
-        </a-descriptions>
-        <template v-if="partialSummary && partialSummary.l1_summary">
-          <a-alert
-            class="ingest__alert"
-            type="info"
-            show-icon
-            message="已产出总结保留：任务失败前已生成 L1 摘要"
-          />
-          <h3 class="ingest__section-title">L1 总结</h3>
-          <pre class="ingest__pre">{{ partialSummary.l1_summary }}</pre>
-        </template>
-      </div>
-    </div>
-  </div>
-</template>
-
-<style scoped>
-.ingest__header {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  margin-bottom: 12px;
-}
-
-.ingest__title {
-  font-size: 16px;
-  margin: 0;
-}
-
-.ingest__result {
-  margin-top: 16px;
-  border: 1px solid #e5e7eb;
-  border-radius: 6px;
-  background: #fafafa;
-  padding: 12px 16px;
-}
-
-.ingest__result-header {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  flex-wrap: wrap;
-  font-size: 13px;
-  margin-bottom: 8px;
-}
-
-.ingest__alert {
-  margin: 8px 0;
-}
-
-.ingest__done,
-.ingest__failed {
-  margin-top: 8px;
-}
-
-.ingest__section-title {
-  font-size: 14px;
-  margin: 12px 0 8px;
-  color: #374151;
-}
-
-.ingest__pre {
-  background: #f9fafb;
-  border: 1px solid #e5e7eb;
-  border-radius: 4px;
-  padding: 8px;
-  white-space: pre-wrap;
-  word-break: break-word;
-  font-size: 12px;
-  max-height: 260px;
-  overflow: auto;
-  margin: 0;
-}
-</style>
diff --git a/frontend/src/views/Library.vue b/frontend/src/views/Library.vue
new file mode 100644
index 0000000..6e1f396
--- /dev/null
+++ b/frontend/src/views/Library.vue
@@ -0,0 +1,815 @@
+<script setup>
+import { computed, onMounted, reactive, ref } from 'vue'
+import { message, Modal } from 'ant-design-vue'
+import {
+  FolderOutlined,
+  FileTextOutlined,
+  UploadOutlined,
+  ReloadOutlined,
+  SearchOutlined,
+  ClockCircleOutlined,
+  TagsOutlined
+} from '@ant-design/icons-vue'
+import {
+  categories as fetchCategories,
+  stats as fetchStats
+} from '@/api/knowledge'
+import {
+  list as fetchDocuments,
+  detail as fetchDocumentDetail,
+  remove as deleteDocument,
+  reingest as reingestDocument,
+  ingest as ingestDocument,
+  upload as uploadDocument,
+  uploadBatch
+} from '@/api/documents'
+import { useIngestPolling } from '@/composables/useIngestPolling'
+import { useTasksDrawer } from '@/composables/useTasksDrawer'
+import { INGEST_STATUS_TEXT, INGEST_STATUS_COLOR } from '@/constants/ingest'
+
+const tasksDrawer = useTasksDrawer()
+
+/* ---------- 树形目录 ---------- */
+const isLoading = ref(false)
+const treeData = ref([])
+const categoriesData = ref([])
+const categoryDesc = ref(null)
+const selectedCategory = ref(null)
+
+const allDocs = ref([])
+const searchKeyword = ref('')
+
+const UNCATEGORIZED = 'uncategorized'
+
+function formatSize(bytes) {
+  if (bytes == null) return ''
+  if (bytes < 1024) return `${bytes} B`
+  if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`
+  return `${(bytes / 1024 / 1024).toFixed(1)} MB`
+}
+
+function buildTree() {
+  const docs = allDocs.value
+  const filtered = searchKeyword.value
+    ? docs.filter((d) => {
+        const kw = searchKeyword.value.toLowerCase()
+        return (
+          (d.title || '').toLowerCase().includes(kw) ||
+          (d.summary || '').toLowerCase().includes(kw) ||
+          (d.category || '').toLowerCase().includes(kw)
+        )
+      })
+    : docs
+
+  // 类目 → 文档映射
+  const byCat = {}
+  filtered.forEach((d) => {
+    const cat = d.category || UNCATEGORIZED
+    if (!byCat[cat]) byCat[cat] = []
+    byCat[cat].push(d)
+  })
+
+  const nodes = []
+  // 定义类目顺序：taxonomy 中定义的类目在前，未定义但存在的类目追加
+  const defined = categoriesData.value.map((c) => c.name)
+  const known = new Set(defined)
+  Object.keys(byCat).forEach((cat) => {
+    if (!known.has(cat)) known.add(cat)
+  })
+  defined.forEach((cat) => {
+    if (byCat[cat]) {
+      nodes.push(makeCategoryNode(cat, byCat[cat]))
+    }
+  })
+  // 未在 taxonomy 中但实际存在的类目
+  Object.keys(byCat).forEach((cat) => {
+    if (!defined.includes(cat)) {
+      nodes.push(makeCategoryNode(cat, byCat[cat]))
+    }
+  })
+  return nodes
+}
+
+function makeCategoryNode(cat, docs) {
+  return {
+    key: `cat:${cat}`,
+    title: cat,
+    icon: () => h(FolderOutlined),
+    isLeaf: docs.length === 0,
+    category: cat,
+    count: docs.length,
+    children: docs.map((d) => ({
+      key: `doc:${d.doc_id}`,
+      title: d.title || '(无标题)',
+      icon: () => h(FileTextOutlined),
+      isLeaf: true,
+      doc: d
+    }))
+  }
+}
+
+function h(type) {
+  return { render: () => _h(type) }
+}
+
+function _h(type) {
+  return type
+}
+
+const treeDataComputed = computed(() => buildTree())
+
+function handleTreeSelect(keys, info) {
+  const node = info.selectedNodes?.[0]
+  if (!node) return
+  const key = node.key
+  if (key.startsWith('cat:')) {
+    selectedCategory.value = node.category
+    categoryDesc.value = categoriesData.value.find((c) => c.name === node.category)?.description || ''
+    closeDocDetail()
+  } else if (key.startsWith('doc:')) {
+    selectedCategory.value = null
+    categoryDesc.value = null
+    openDocDetail(node.doc)
+  }
+}
+
+async function loadAll() {
+  isLoading.value = true
+  try {
+    const [cats, stats] = await Promise.all([fetchCategories(), fetchStats()])
+    categoriesData.value = cats.categories || []
+    // 加载全部文档（分页直到取完）
+    const docs = []
+    let offset = null
+    for (;;) {
+      const page = await fetchDocuments(100, offset)
+      docs.push(...(page.items || []))
+      offset = page.next_offset ?? null
+      if (!offset) break
+    }
+    allDocs.value = docs
+    // 更新类目计数（可选）
+  } catch (err) {
+    message.error(err?.message || '加载知识库失败')
+  } finally {
+    isLoading.value = false
+  }
+}
+
+function handleRefresh() {
+  loadAll()
+}
+
+onMounted(() => {
+  loadAll()
+})
+
+/* ---------- 文档详情 ---------- */
+const docDetailVisible = ref(false)
+const docDetailData = ref(null)
+const isLoadingDetail = ref(false)
+const isDeleting = ref(false)
+const isReingesting = ref(false)
+
+function openDocDetail(doc) {
+  docDetailVisible.value = true
+  docDetailData.value = null
+  loadDocDetail(doc.doc_id)
+}
+
+function closeDocDetail() {
+  docDetailVisible.value = false
+  docDetailData.value = null
+}
+
+async function loadDocDetail(docId) {
+  isLoadingDetail.value = true
+  try {
+    docDetailData.value = await fetchDocumentDetail(docId)
+  } catch (err) {
+    message.error(err?.message || '加载文档详情失败')
+  } finally {
+    isLoadingDetail.value = false
+  }
+}
+
+function handleDelete(doc) {
+  const docId = doc.doc_id
+  const title = doc.title || docId
+  Modal.confirm({
+    title: '确认删除',
+    content: `确定删除文档「${title}」(${docId}) 吗？该操作将删除四层集合中的全部数据，不可恢复。`,
+    okText: '删除',
+    okType: 'danger',
+    cancelText: '取消',
+    async onOk() {
+      isDeleting.value = true
+      try {
+        await deleteDocument(docId)
+        message.success('已删除')
+        closeDocDetail()
+        await loadAll()
+      } catch (err) {
+        message.error(err?.message || '删除文档失败')
+      } finally {
+        isDeleting.value = false
+      }
+    }
+  })
+}
+
+function handleReingest(doc) {
+  const docId = doc.doc_id
+  const title = doc.title || docId
+  Modal.confirm({
+    title: '重新摘要入库',
+    content: `将重新读取文档「${title}」(${docId}) 的原始文件，删除旧数据后重新生成三级总结并入库。生成新的 doc_id。是否继续？`,
+    okText: '重新入库',
+    cancelText: '取消',
+    async onOk() {
+      isReingesting.value = true
+      try {
+        const data = await reingestDocument(docId)
+        message.success(`已提交重新入库任务：${data.task_id}`)
+      } catch (err) {
+        message.error(err?.message || '重新入库失败')
+      } finally {
+        isReingesting.value = false
+      }
+    }
+  })
+}
+
+/* ---------- 入库抽屉 ---------- */
+const ingestVisible = ref(false)
+const activeTab = ref('text')
+const { state: pollState, startPolling, stopPolling } = useIngestPolling()
+
+const textFormRef = ref(null)
+const textForm = reactive({ title: '', source: '', text: '' })
+const textRules = {
+  title: [{ required: true, message: '请输入标题', trigger: 'blur' }],
+  text: [{ required: true, message: '请输入正文', trigger: 'blur' }]
+}
+const isSubmittingText = ref(false)
+const isSubmittingFile = ref(false)
+const isSubmittingBatch = ref(false)
+
+const fileForm = reactive({ title: '', source: '' })
+const fileList = ref([])
+const rawFile = ref(null)
+const batchResult = ref(null)
+const ACCEPTED_EXTENSIONS = '.txt,.md,.html,.htm,.pdf,.docx'
+
+const statusBadgeColor = computed(() => INGEST_STATUS_COLOR[pollState.status] || 'default')
+const statusBadgeText = computed(() => INGEST_STATUS_TEXT[pollState.status] || pollState.status || '-')
+const isTerminal = computed(() => ['done', 'failed'].includes(pollState.status))
+const resultData = computed(() => pollState.task?.result || null)
+const errorData = computed(() => pollState.task?.error || pollState.error || null)
+const summaryData = computed(() => resultData.value?.summary || {})
+const partialSummary = computed(() => errorData.value?.partial_summary || null)
+
+function openIngest() {
+  ingestVisible.value = true
+}
+
+function handleFileChange(file) {
+  rawFile.value = file
+  fileList.value = [file]
+  return false
+}
+
+function handleFileRemove() {
+  rawFile.value = null
+  fileList.value = []
+}
+
+function handleBatchFileChange(_file, fileListArg) {
+  fileList.value = fileListArg.map((f) => f.originFileObj || f)
+  batchResult.value = null
+  return false
+}
+
+function handleBatchRemove(file) {
+  fileList.value = fileList.value.filter((f) => f !== file && f.name !== file.name)
+  batchResult.value = null
+}
+
+function handleBatchClear() {
+  fileList.value = []
+  batchResult.value = null
+}
+
+async function handleSubmitText() {
+  try {
+    await textFormRef.value.validate()
+  } catch {
+    return
+  }
+  isSubmittingText.value = true
+  try {
+    const payload = { title: textForm.title, text: textForm.text }
+    if (textForm.source) payload.source = textForm.source
+    const data = await ingestDocument(payload)
+    message.success('任务已提交')
+    startPolling(data.task_id)
+  } catch (err) {
+    message.error(err?.message || '提交入库失败')
+  } finally {
+    isSubmittingText.value = false
+  }
+}
+
+async function handleSubmitFile() {
+  if (!rawFile.value) {
+    message.warning('请选择文件')
+    return
+  }
+  isSubmittingFile.value = true
+  try {
+    const formData = new FormData()
+    formData.append('file', rawFile.value)
+    if (fileForm.title) formData.append('title', fileForm.title)
+    if (fileForm.source) formData.append('source', fileForm.source)
+    const data = await uploadDocument(formData)
+    message.success('任务已提交')
+    startPolling(data.task_id)
+  } catch (err) {
+    message.error(err?.message || '上传入库失败')
+  } finally {
+    isSubmittingFile.value = false
+  }
+}
+
+async function handleSubmitBatch() {
+  if (!fileList.value.length) {
+    message.warning('请选择文件')
+    return
+  }
+  isSubmittingBatch.value = true
+  try {
+    const data = await uploadBatch(fileList.value)
+    batchResult.value = data
+    const okCount = data.tasks?.length || 0
+    const failCount = data.failed?.length || 0
+    if (okCount > 0) {
+      message.success(`已提交 ${okCount} 个任务${failCount > 0 ? `，${failCount} 个失败` : ''}`)
+    } else if (failCount > 0) {
+      message.error(`全部 ${failCount} 个文件上传失败`)
+    }
+    if (data.tasks?.length === 1 && failCount === 0) {
+      startPolling(data.tasks[0].task_id)
+    }
+  } catch (err) {
+    message.error(err?.message || '批量上传失败')
+  } finally {
+    isSubmittingBatch.value = false
+  }
+}
+
+function handleCancelPolling() {
+  stopPolling()
+  message.info('已停止轮询')
+}
+
+const batchColumns = [
+  { title: '文件名', dataIndex: 'filename', key: 'filename', ellipsis: true },
+  { title: 'task_id', dataIndex: 'task_id', key: 'task_id', width: 240 }
+]
+const failedColumns = [
+  { title: '文件名', dataIndex: 'filename', key: 'filename', ellipsis: true },
+  { title: '错误', dataIndex: 'error', key: 'error' }
+]
+</script>
+
+<template>
+  <div class="library page-section">
+    <div class="library__header">
+      <h2 class="library__title">知识库</h2>
+      <div class="library__actions">
+        <a-input
+          v-model:value="searchKeyword"
+          placeholder="搜索标题 / 摘要 / 类目"
+          allow-clear
+          style="width: 260px"
+        >
+          <template #prefix><SearchOutlined /></template>
+        </a-input>
+        <a-button :loading="isLoading" @click="handleRefresh">
+          <template #icon><ReloadOutlined /></template>
+          刷新
+        </a-button>
+        <a-button @click="tasksDrawer.open()">
+          <template #icon><ClockCircleOutlined /></template>
+          入库进度
+        </a-button>
+        <a-button type="primary" @click="openIngest">
+          <template #icon><UploadOutlined /></template>
+          入库
+        </a-button>
+      </div>
+    </div>
+
+    <div class="library__body">
+      <div class="library__tree">
+        <a-spin :spinning="isLoading">
+          <a-tree
+            :tree-data="treeDataComputed"
+            :default-expand-all="true"
+            :show-icon="true"
+            block-node
+            @select="handleTreeSelect"
+          >
+            <template #title="{ title, count, category }">
+              <span v-if="category !== undefined" class="library__node-cat">
+                <span>{{ title }}</span>
+                <span class="text-muted library__node-count">{{ count }}</span>
+              </span>
+              <span v-else>{{ title }}</span>
+            </template>
+          </a-tree>
+        </a-spin>
+      </div>
+
+      <div class="library__detail">
+        <!-- 类目说明 -->
+        <div v-if="selectedCategory" class="library__panel">
+          <h3 class="library__panel-title">
+            <TagsOutlined /> {{ selectedCategory }}
+          </h3>
+          <div class="text-muted">{{ categoryDesc || '（无描述）' }}</div>
+        </div>
+
+        <!-- 未选中提示 -->
+        <div v-else-if="!docDetailVisible" class="library__placeholder text-muted">
+          从左侧选择类目或文档查看详情
+        </div>
+      </div>
+    </div>
+
+    <!-- 文档详情抽屉 -->
+    <a-drawer
+      :open="docDetailVisible"
+      title="文档详情"
+      placement="right"
+      width="620"
+      :destroy-on-close="true"
+      @close="closeDocDetail"
+    >
+      <a-spin :spinning="isLoadingDetail">
+        <div v-if="docDetailData">
+          <a-descriptions :column="1" size="small" bordered>
+            <a-descriptions-item label="doc_id">{{ docDetailData.l1?.doc_id || '-' }}</a-descriptions-item>
+            <a-descriptions-item label="标题">{{ docDetailData.l1?.title || '-' }}</a-descriptions-item>
+            <a-descriptions-item label="类目">{{ docDetailData.l1?.category || '-' }}</a-descriptions-item>
+            <a-descriptions-item label="标签">
+              <template v-if="docDetailData.l1?.tags && docDetailData.l1.tags.length">
+                <a-tag v-for="tag in docDetailData.l1.tags" :key="tag">{{ tag }}</a-tag>
+              </template>
+              <span v-else class="text-muted">-</span>
+            </a-descriptions-item>
+            <a-descriptions-item label="chunks_count">{{ docDetailData.chunks_count ?? 0 }}</a-descriptions-item>
+            <a-descriptions-item v-if="docDetailData.file" label="原文文件">
+              <a :href="docDetailData.file.url" target="_blank" rel="noopener">
+                {{ docDetailData.file.filename }}
+                <span v-if="docDetailData.file.size_bytes" class="text-muted">
+                  （{{ formatSize(docDetailData.file.size_bytes) }}）
+                </span>
+              </a>
+            </a-descriptions-item>
+          </a-descriptions>
+
+          <div class="library__detail-actions">
+            <a-button size="small" :loading="isReingesting" @click="handleReingest(docDetailData.l1)">
+              重新摘要
+            </a-button>
+            <a-button size="small" danger :loading="isDeleting" @click="handleDelete(docDetailData.l1)">
+              删除
+            </a-button>
+          </div>
+
+          <h3 class="library__section-title">L1 全文</h3>
+          <pre class="library__pre">{{ docDetailData.l1?.text || '' }}</pre>
+
+          <h3 class="library__section-title">L2 节点（{{ (docDetailData.l2_nodes || []).length }}）</h3>
+          <div v-if="(docDetailData.l2_nodes || []).length === 0" class="text-muted">无</div>
+          <div v-for="(node, idx) in docDetailData.l2_nodes || []" :key="`l2-${idx}`" class="library__node">
+            <div class="library__node-path">{{ node.section_path || '' }}</div>
+            <div class="text-break">{{ node.text || '' }}</div>
+          </div>
+
+          <h3 class="library__section-title">L3 节点（{{ (docDetailData.l3_nodes || []).length }}）</h3>
+          <div v-if="(docDetailData.l3_nodes || []).length === 0" class="text-muted">无</div>
+          <div v-for="(node, idx) in docDetailData.l3_nodes || []" :key="`l3-${idx}`" class="library__node">
+            <div class="library__node-path">{{ node.section_path || '' }}</div>
+            <div class="text-break">{{ node.text || '' }}</div>
+          </div>
+        </div>
+        <div v-else-if="!isLoadingDetail" class="text-muted">暂无数据</div>
+      </a-spin>
+    </a-drawer>
+
+    <!-- 入库抽屉 -->
+    <a-drawer
+      :open="ingestVisible"
+      title="文档入库"
+      placement="right"
+      width="560"
+      :destroy-on-close="true"
+      @close="() => (ingestVisible = false)"
+    >
+      <a-tabs v-model:activeKey="activeTab">
+        <a-tab-pane key="text" tab="文本入库">
+          <a-form ref="textFormRef" :model="textForm" :rules="textRules" layout="vertical">
+            <a-form-item label="标题" name="title">
+              <a-input v-model:value="textForm.title" placeholder="请输入标题" allow-clear />
+            </a-form-item>
+            <a-form-item label="来源" name="source">
+              <a-input v-model:value="textForm.source" placeholder="例如：manual / web / file" allow-clear />
+            </a-form-item>
+            <a-form-item label="正文" name="text">
+              <a-textarea v-model:value="textForm.text" placeholder="请输入文档正文" :auto-size="{ minRows: 8, maxRows: 18 }" />
+            </a-form-item>
+            <a-form-item>
+              <a-button type="primary" :loading="isSubmittingText || pollState.isPolling" @click="handleSubmitText">
+                提交入库
+              </a-button>
+            </a-form-item>
+          </a-form>
+        </a-tab-pane>
+
+        <a-tab-pane key="file" tab="文件上传">
+          <a-form :model="fileForm" layout="vertical">
+            <a-form-item label="选择文件">
+              <a-upload :file-list="fileList" :accept="ACCEPTED_EXTENSIONS" :max-count="1" :before-upload="handleFileChange" @remove="handleFileRemove">
+                <a-button :disabled="fileList.length >= 1">选择文件</a-button>
+              </a-upload>
+              <div class="text-muted" style="margin-top: 4px">支持 .txt/.md/.html/.htm/.pdf/.docx</div>
+            </a-form-item>
+            <a-form-item label="标题（可选，默认取文件名）" name="title">
+              <a-input v-model:value="fileForm.title" placeholder="留空则使用文件名去扩展" allow-clear />
+            </a-form-item>
+            <a-form-item label="来源（可选，默认 file:原文件名）" name="source">
+              <a-input v-model:value="fileForm.source" placeholder="例如：manual / web" allow-clear />
+            </a-form-item>
+            <a-form-item>
+              <a-button type="primary" :loading="isSubmittingFile || pollState.isPolling" @click="handleSubmitFile">
+                上传入库
+              </a-button>
+            </a-form-item>
+          </a-form>
+        </a-tab-pane>
+
+        <a-tab-pane key="batch" tab="批量上传">
+          <a-form :model="fileForm" layout="vertical">
+            <a-form-item label="选择文件（可多选）">
+              <a-upload multiple :file-list="fileList" :accept="ACCEPTED_EXTENSIONS" :before-upload="handleBatchFileChange" @remove="handleBatchRemove">
+                <a-button>选择文件</a-button>
+              </a-upload>
+              <div class="text-muted" style="margin-top: 4px">支持 .txt/.md/.html/.htm/.pdf/.docx，可多选，逐文件异步入库</div>
+            </a-form-item>
+            <a-form-item v-if="fileList.length">
+              <a-button type="primary" :loading="isSubmittingBatch" @click="handleSubmitBatch">
+                批量上传入库（{{ fileList.length }} 个文件）
+              </a-button>
+              <a-button style="margin-left: 8px" :disabled="isSubmittingBatch" @click="handleBatchClear">清空</a-button>
+            </a-form-item>
+          </a-form>
+
+          <div v-if="batchResult" class="library__batch">
+            <a-alert
+              v-if="batchResult.failed && batchResult.failed.length"
+              class="library__alert"
+              type="error"
+              show-icon
+              :message="`${batchResult.failed.length} 个文件上传失败`"
+            />
+            <a-table
+              v-if="batchResult.tasks && batchResult.tasks.length"
+              :data-source="batchResult.tasks"
+              :columns="batchColumns"
+              :pagination="false"
+              size="small"
+              row-key="task_id"
+            >
+              <template #bodyCell="{ column, record }">
+                <template v-if="column.key === 'task_id'">
+                  <a-typography-text copyable :style="{ fontSize: '12px' }">{{ record.task_id }}</a-typography-text>
+                </template>
+              </template>
+            </a-table>
+            <a-table
+              v-if="batchResult.failed && batchResult.failed.length"
+              :data-source="batchResult.failed"
+              :columns="failedColumns"
+              :pagination="false"
+              size="small"
+              row-key="filename"
+              style="margin-top: 12px"
+            >
+              <template #bodyCell="{ column, record }">
+                <template v-if="column.key === 'error'">
+                  <span class="text-break">{{ record.error }}</span>
+                </template>
+              </template>
+            </a-table>
+          </div>
+        </a-tab-pane>
+      </a-tabs>
+
+      <div v-if="pollState.taskId" class="library__result">
+        <div class="library__result-header">
+          <span>任务已提交：{{ pollState.taskId }}</span>
+          <a-tag :color="statusBadgeColor">{{ statusBadgeText }}</a-tag>
+          <a-button v-if="pollState.isPolling" type="link" size="small" @click="handleCancelPolling">停止轮询</a-button>
+        </div>
+        <a-alert
+          v-if="pollState.isTimeout"
+          class="library__alert"
+          type="warning"
+          show-icon
+          :message="`任务仍在进行，可稍后凭 task_id 查询：${pollState.taskId}`"
+        />
+        <div v-if="isTerminal && pollState.status === 'done' && resultData" class="library__done">
+          <a-descriptions :column="1" size="small" bordered>
+            <a-descriptions-item label="document_id">{{ resultData.document_id || '-' }}</a-descriptions-item>
+            <a-descriptions-item label="类目">{{ resultData.category || '-' }}（置信度 {{ resultData.category_confidence ?? '-' }}）</a-descriptions-item>
+            <a-descriptions-item label="标签">
+              <template v-if="resultData.tags && resultData.tags.length">
+                <a-tag v-for="tag in resultData.tags" :key="tag">{{ tag }}</a-tag>
+              </template>
+              <span v-else class="text-muted">-</span>
+            </a-descriptions-item>
+            <a-descriptions-item label="总结层级">{{ summaryData.level ?? '-' }}</a-descriptions-item>
+            <a-descriptions-item label="chunks_count">{{ resultData.chunks_count ?? 0 }}</a-descriptions-item>
+          </a-descriptions>
+          <h3 class="library__section-title">L1 总结</h3>
+          <pre class="library__pre">{{ summaryData.l1_summary || '' }}</pre>
+        </div>
+        <div v-if="isTerminal && pollState.status === 'failed'" class="library__failed">
+          <a-descriptions :column="1" size="small" bordered>
+            <a-descriptions-item label="失败阶段">{{ errorData?.stage || '-' }}</a-descriptions-item>
+            <a-descriptions-item label="错误信息"><span class="text-break">{{ errorData?.message || '-' }}</span></a-descriptions-item>
+          </a-descriptions>
+          <template v-if="partialSummary && partialSummary.l1_summary">
+            <h3 class="library__section-title">L1 总结</h3>
+            <pre class="library__pre">{{ partialSummary.l1_summary }}</pre>
+          </template>
+        </div>
+      </div>
+    </a-drawer>
+  </div>
+</template>
+
+<style scoped>
+.library__header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 12px;
+  flex-wrap: wrap;
+  gap: 8px;
+}
+
+.library__title {
+  font-size: 16px;
+  margin: 0;
+}
+
+.library__actions {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  flex-wrap: wrap;
+}
+
+.library__body {
+  display: flex;
+  gap: 16px;
+  min-height: 480px;
+}
+
+.library__tree {
+  width: 320px;
+  flex: 0 0 auto;
+  background: #fff;
+  border: 1px solid #f0f0f0;
+  border-radius: 8px;
+  padding: 12px;
+  max-height: 70vh;
+  overflow: auto;
+}
+
+.library__node-cat {
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+}
+
+.library__node-count {
+  font-size: 12px;
+}
+
+.library__detail {
+  flex: 1;
+  min-width: 0;
+}
+
+.library__panel {
+  background: #fff;
+  border: 1px solid #f0f0f0;
+  border-radius: 8px;
+  padding: 16px;
+}
+
+.library__panel-title {
+  font-size: 15px;
+  margin: 0 0 8px;
+  display: flex;
+  align-items: center;
+  gap: 6px;
+}
+
+.library__placeholder {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  height: 100%;
+  min-height: 300px;
+  border: 1px dashed #d9d9d9;
+  border-radius: 8px;
+}
+
+.library__detail-actions {
+  display: flex;
+  gap: 8px;
+  margin: 12px 0;
+}
+
+.library__section-title {
+  font-size: 14px;
+  margin: 16px 0 8px;
+  color: #374151;
+}
+
+.library__pre {
+  background: #f9fafb;
+  border: 1px solid #e5e7eb;
+  border-radius: 4px;
+  padding: 8px;
+  white-space: pre-wrap;
+  word-break: break-word;
+  font-size: 12px;
+  max-height: 260px;
+  overflow: auto;
+  margin: 0;
+}
+
+.library__node {
+  border-left: 3px solid #93c5fd;
+  padding: 6px 10px;
+  margin-bottom: 6px;
+  background: #f8fafc;
+  border-radius: 0 4px 4px 0;
+}
+
+.library__node-path {
+  font-size: 12px;
+  color: #6b7280;
+  margin-bottom: 4px;
+}
+
+.library__result {
+  margin-top: 16px;
+  border: 1px solid #e5e7eb;
+  border-radius: 6px;
+  background: #fafafa;
+  padding: 12px 16px;
+}
+
+.library__result-header {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  flex-wrap: wrap;
+  font-size: 13px;
+  margin-bottom: 8px;
+}
+
+.library__alert {
+  margin: 8px 0;
+}
+
+.library__batch {
+  margin-top: 8px;
+}
+
+@media (max-width: 768px) {
+  .library__body {
+    flex-direction: column;
+  }
+  .library__tree {
+    width: 100%;
+  }
+}
+</style>
\ No newline at end of file
diff --git a/frontend/src/views/Overview.vue b/frontend/src/views/Overview.vue
index 4b8adae..e71521e 100644
--- a/frontend/src/views/Overview.vue
+++ b/frontend/src/views/Overview.vue
@@ -1,5 +1,5 @@
 <script setup>
-import { computed, onMounted, ref } from 'vue'
+import { computed, onMounted, reactive, ref } from 'vue'
 import { message } from 'ant-design-vue'
 import {
   DatabaseOutlined,
@@ -9,69 +9,82 @@ import {
   FileTextOutlined,
   QuestionCircleOutlined,
   ReloadOutlined,
-  AppstoreOutlined
+  AppstoreOutlined,
+  SearchOutlined
 } from '@ant-design/icons-vue'
 import { stats as fetchStats } from '@/api/knowledge'
+import { search as searchApi } from '@/api/search'
 
+/* ---------- 检索 ---------- */
+const isSearching = ref(false)
+const resultData = ref(null)
+const searchFormRef = ref(null)
+const searchForm = reactive({
+  query: '',
+  top_k: 5,
+  summarize: false
+})
+const searchRules = {
+  query: [{ required: true, message: '请输入查询语句', trigger: 'blur' }],
+  top_k: [{ type: 'number', min: 1, max: 50, message: 'top_k 范围 1~50', trigger: 'change' }]
+}
+
+const routedCategoriesText = (cats) => {
+  if (!cats || !cats.length) return '(无)'
+  return cats.join(', ')
+}
+
+function eiValue(value) {
+  if (value === undefined || value === null || value === '') return '(无)'
+  if (Array.isArray(value)) {
+    return value.length ? value.join(', ') : '(无)'
+  }
+  return String(value)
+}
+
+const hits = (data) => data?.hits || []
+
+async function handleSearch() {
+  try {
+    await searchFormRef.value.validate()
+  } catch {
+    return
+  }
+  isSearching.value = true
+  resultData.value = null
+  try {
+    resultData.value = await searchApi({
+      query: searchForm.query,
+      top_k: searchForm.top_k,
+      summarize: searchForm.summarize
+    })
+  } catch (err) {
+    message.error(err?.message || '检索失败')
+  } finally {
+    isSearching.value = false
+  }
+}
+
+/* ---------- 概览统计 ---------- */
 const isLoading = ref(false)
 const statsData = ref(null)
 
 const cardMeta = [
-  {
-    key: 'doc_l1',
-    label: 'L1 文档总结',
-    icon: DatabaseOutlined,
-    color: '#1677ff',
-    bg: 'rgba(22, 119, 255, 0.12)'
-  },
-  {
-    key: 'doc_l2',
-    label: 'L2 大纲节点',
-    icon: ApartmentOutlined,
-    color: '#722ed1',
-    bg: 'rgba(114, 46, 209, 0.12)'
-  },
-  {
-    key: 'doc_l3',
-    label: 'L3 内容大纲',
-    icon: FileSearchOutlined,
-    color: '#13c2c2',
-    bg: 'rgba(19, 194, 194, 0.12)'
-  },
-  {
-    key: 'chunks',
-    label: 'Chunks',
-    icon: BlockOutlined,
-    color: '#fa8c16',
-    bg: 'rgba(250, 140, 22, 0.12)'
-  },
-  {
-    key: '__documents_total',
-    label: '文档总数',
-    icon: FileTextOutlined,
-    color: '#52c41a',
-    bg: 'rgba(82, 196, 26, 0.12)'
-  },
-  {
-    key: '__uncategorized',
-    label: '未分类文档',
-    icon: QuestionCircleOutlined,
-    color: '#ff4d4f',
-    bg: 'rgba(255, 77, 79, 0.12)'
-  }
+  { key: 'doc_l1', label: 'L1 文档总结', icon: DatabaseOutlined, color: '#1677ff', bg: 'rgba(22, 119, 255, 0.12)' },
+  { key: 'doc_l2', label: 'L2 大纲节点', icon: ApartmentOutlined, color: '#722ed1', bg: 'rgba(114, 46, 209, 0.12)' },
+  { key: 'doc_l3', label: 'L3 内容大纲', icon: FileSearchOutlined, color: '#13c2c2', bg: 'rgba(19, 194, 194, 0.12)' },
+  { key: 'chunks', label: 'Chunks', icon: BlockOutlined, color: '#fa8c16', bg: 'rgba(250, 140, 22, 0.12)' },
+  { key: '__documents_total', label: '文档总数', icon: FileTextOutlined, color: '#52c41a', bg: 'rgba(82, 196, 26, 0.12)' },
+  { key: '__uncategorized', label: '未分类文档', icon: QuestionCircleOutlined, color: '#ff4d4f', bg: 'rgba(255, 77, 79, 0.12)' }
 ]
 
 const cards = computed(() => {
   const collections = statsData.value?.collections || {}
   return cardMeta.map((m) => {
     let value = 0
-    if (m.key === '__documents_total') {
-      value = statsData.value?.documents_total ?? 0
-    } else if (m.key === '__uncategorized') {
-      value = statsData.value?.uncategorized_count ?? 0
-    } else {
-      value = collections[m.key] ?? 0
-    }
+    if (m.key === '__documents_total') value = statsData.value?.documents_total ?? 0
+    else if (m.key === '__uncategorized') value = statsData.value?.uncategorized_count ?? 0
+    else value = collections[m.key] ?? 0
     return { ...m, value }
   })
 })
@@ -126,26 +139,108 @@ onMounted(() => {
   <div class="overview page-section">
     <div class="overview__header">
       <h2 class="page-title">概览</h2>
-      <a-space>
-        <a-button :loading="isLoading" @click="loadStats">
-          <template #icon><ReloadOutlined /></template>
-          刷新
-        </a-button>
-      </a-space>
+      <a-button :loading="isLoading" @click="loadStats">
+        <template #icon><ReloadOutlined /></template>
+        刷新
+      </a-button>
     </div>
 
+    <!-- 检索测试 -->
+    <div class="overview__search">
+      <h3 class="overview__subtitle">
+        <SearchOutlined />
+        <span>检索</span>
+      </h3>
+      <a-form
+        ref="searchFormRef"
+        :model="searchForm"
+        :rules="searchRules"
+        layout="inline"
+      >
+        <a-form-item name="query" style="flex: 1; min-width: 260px">
+          <a-input
+            v-model:value="searchForm.query"
+            placeholder="请输入查询语句"
+            allow-clear
+            @pressEnter="handleSearch"
+          />
+        </a-form-item>
+        <a-form-item name="top_k">
+          <a-input-number
+            v-model:value="searchForm.top_k"
+            :min="1"
+            :max="50"
+            style="width: 120px"
+          />
+        </a-form-item>
+        <a-form-item name="summarize">
+          <a-checkbox v-model:checked="searchForm.summarize">AI 总结</a-checkbox>
+        </a-form-item>
+        <a-form-item>
+          <a-button type="primary" :loading="isSearching" @click="handleSearch">
+            检索
+          </a-button>
+        </a-form-item>
+      </a-form>
+
+      <div v-if="resultData" class="overview__result">
+        <a-descriptions :column="1" size="small" bordered>
+          <a-descriptions-item label="routed_categories">
+            {{ routedCategoriesText(resultData.routed_categories) }}
+          </a-descriptions-item>
+        </a-descriptions>
+
+        <a-alert
+          v-if="resultData.fallback"
+          class="overview__alert"
+          type="warning"
+          show-icon
+          message="fallback：本次检索触发了回退策略（路由类目无命中，已降级全局检索）"
+        />
+
+        <div v-if="resultData.summary" class="overview__summary">
+          <div class="overview__summary-title">AI 总结</div>
+          <div class="text-break">{{ resultData.summary }}</div>
+        </div>
+
+        <div v-if="resultData.extracted_info" class="overview__extracted">
+          <div class="overview__extracted-title">AI 提取的关键信息</div>
+          <a-descriptions :column="1" size="small" bordered>
+            <a-descriptions-item label="改写">{{ eiValue(resultData.extracted_info.rewrite) }}</a-descriptions-item>
+            <a-descriptions-item label="关键词">{{ eiValue(resultData.extracted_info.keywords) }}</a-descriptions-item>
+            <a-descriptions-item label="实体">{{ eiValue(resultData.extracted_info.entities) }}</a-descriptions-item>
+            <a-descriptions-item label="意图">{{ eiValue(resultData.extracted_info.intent) }}</a-descriptions-item>
+            <a-descriptions-item label="时间范围">{{ eiValue(resultData.extracted_info.time_range) }}</a-descriptions-item>
+            <a-descriptions-item label="命中类目">{{ eiValue(resultData.extracted_info.categories) }}</a-descriptions-item>
+          </a-descriptions>
+        </div>
+
+        <div class="text-muted" style="margin: 12px 0 8px">
+          命中 {{ hits(resultData).length }} 条
+        </div>
+
+        <div
+          v-for="(hit, idx) in hits(resultData)"
+          :key="`hit-${idx}`"
+          class="overview__hit"
+        >
+          <div class="overview__hit-meta">
+            score={{ hit.score }} | doc_id={{ hit.doc_id }} | 标题={{ hit.title || '' }} | section={{ hit.section_path || '' }}
+          </div>
+          <div class="overview__hit-snippet text-break">{{ hit.text || '' }}</div>
+          <div v-if="hit.doc_summary" class="overview__hit-meta">
+            文档摘要：{{ hit.doc_summary }}
+          </div>
+        </div>
+      </div>
+    </div>
+
+    <!-- 概览统计 -->
     <a-spin :spinning="isLoading">
       <div class="overview__cards">
-        <div
-          v-for="card in cards"
-          :key="card.key"
-          class="overview__card"
-        >
+        <div v-for="card in cards" :key="card.key" class="overview__card">
           <div class="overview__card-body">
-            <div
-              class="overview__card-icon"
-              :style="{ background: card.bg, color: card.color }"
-            >
+            <div class="overview__card-icon" :style="{ background: card.bg, color: card.color }">
               <component :is="card.icon" />
             </div>
             <div class="overview__card-info">
@@ -166,9 +261,7 @@ onMounted(() => {
             共 {{ categoryBars.length }} 个类目
           </span>
         </div>
-        <div v-if="categoryBars.length === 0" class="overview__empty text-muted">
-          暂无数据
-        </div>
+        <div v-if="categoryBars.length === 0" class="overview__empty text-muted">暂无数据</div>
         <div v-else class="overview__bars">
           <div
             v-for="(bar, idx) in categoryBars"
@@ -200,6 +293,72 @@ onMounted(() => {
   margin-bottom: 16px;
 }
 
+.overview__search {
+  background: #fff;
+  border: 1px solid #f0f0f0;
+  border-radius: 8px;
+  padding: 16px;
+  margin-bottom: 24px;
+}
+
+.overview__result {
+  margin-top: 16px;
+}
+
+.overview__alert {
+  margin: 12px 0;
+}
+
+.overview__summary {
+  background: #f0fdf4;
+  border: 1px solid #bbf7d0;
+  border-radius: 6px;
+  padding: 12px 14px;
+  margin: 12px 0;
+  font-size: 13px;
+}
+
+.overview__summary-title {
+  font-weight: 600;
+  margin-bottom: 6px;
+  color: #15803d;
+}
+
+.overview__extracted {
+  background: #f0f9ff;
+  border: 1px solid #bae6fd;
+  border-radius: 6px;
+  padding: 12px 14px;
+  margin: 12px 0;
+  font-size: 13px;
+}
+
+.overview__extracted-title {
+  font-weight: 600;
+  margin-bottom: 8px;
+  color: #0369a1;
+}
+
+.overview__hit {
+  border: 1px solid #e5e7eb;
+  border-radius: 6px;
+  padding: 10px 12px;
+  margin-bottom: 10px;
+  background: #fff;
+}
+
+.overview__hit-meta {
+  font-size: 12px;
+  color: #6b7280;
+  margin-bottom: 6px;
+  word-break: break-all;
+}
+
+.overview__hit-snippet {
+  font-size: 13px;
+  color: #1f2937;
+}
+
 .overview__cards {
   display: grid;
   grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
@@ -272,7 +431,7 @@ onMounted(() => {
   font-size: 14px;
   font-weight: 600;
   color: #374151;
-  margin: 0;
+  margin: 0 0 12px;
   display: flex;
   align-items: center;
   gap: 6px;
@@ -346,4 +505,4 @@ onMounted(() => {
     width: 120px;
   }
 }
-</style>
+</style>
\ No newline at end of file
diff --git a/frontend/src/views/Search.vue b/frontend/src/views/Search.vue
deleted file mode 100644
index a6f1b2f..0000000
--- a/frontend/src/views/Search.vue
+++ /dev/null
@@ -1,234 +0,0 @@
-<script setup>
-import { reactive, ref } from 'vue'
-import { message } from 'ant-design-vue'
-import { search as searchApi } from '@/api/search'
-
-const isLoading = ref(false)
-const resultData = ref(null)
-
-const formRef = ref(null)
-const formState = reactive({
-  query: '',
-  top_k: 5,
-  summarize: false
-})
-
-const rules = {
-  query: [{ required: true, message: '请输入查询语句', trigger: 'blur' }],
-  top_k: [{ type: 'number', min: 1, max: 50, message: 'top_k 范围 1~50', trigger: 'change' }]
-}
-
-const routedCategoriesText = (cats) => {
-  if (!cats || !cats.length) return '(无)'
-  return cats.join(', ')
-}
-
-async function handleSearch() {
-  try {
-    await formRef.value.validate()
-  } catch {
-    return
-  }
-  isLoading.value = true
-  resultData.value = null
-  try {
-    const payload = {
-      query: formState.query,
-      top_k: formState.top_k,
-      summarize: formState.summarize
-    }
-    resultData.value = await searchApi(payload)
-  } catch (err) {
-    message.error(err?.message || '检索失败')
-  } finally {
-    isLoading.value = false
-  }
-}
-
-function eiValue(value) {
-  if (value === undefined || value === null || value === '') return '(无)'
-  if (Array.isArray(value)) {
-    return value.length ? value.join(', ') : '(无)'
-  }
-  return String(value)
-}
-
-const hits = (data) => data?.hits || []
-</script>
-
-<template>
-  <div class="search page-section">
-    <div class="search__header">
-      <h2 class="search__title">检索测试台</h2>
-    </div>
-
-    <a-form
-      ref="formRef"
-      :model="formState"
-      :rules="rules"
-      layout="vertical"
-    >
-      <a-form-item label="查询语句" name="query">
-        <a-input
-          v-model:value="formState.query"
-          placeholder="请输入查询语句"
-          allow-clear
-          @pressEnter="handleSearch"
-        />
-      </a-form-item>
-      <a-form-item label="top_k" name="top_k">
-        <a-input-number
-          v-model:value="formState.top_k"
-          :min="1"
-          :max="50"
-          style="width: 160px"
-        />
-      </a-form-item>
-      <a-form-item name="summarize">
-        <a-checkbox v-model:checked="formState.summarize">
-          对结果生成 AI 总结
-        </a-checkbox>
-      </a-form-item>
-      <a-form-item>
-        <a-button type="primary" :loading="isLoading" @click="handleSearch">
-          检索
-        </a-button>
-      </a-form-item>
-    </a-form>
-
-    <div v-if="resultData" class="search__result">
-      <a-descriptions :column="1" size="small" bordered>
-        <a-descriptions-item label="routed_categories">
-          {{ routedCategoriesText(resultData.routed_categories) }}
-        </a-descriptions-item>
-      </a-descriptions>
-
-      <a-alert
-        v-if="resultData.fallback"
-        class="search__alert"
-        type="warning"
-        show-icon
-        message="fallback：本次检索触发了回退策略（路由类目无命中，已降级全局检索）"
-      />
-
-      <div v-if="resultData.summary" class="search__summary">
-        <div class="search__summary-title">AI 总结</div>
-        <div class="text-break">{{ resultData.summary }}</div>
-      </div>
-
-      <div v-if="resultData.extracted_info" class="search__extracted">
-        <div class="search__extracted-title">AI 提取的关键信息</div>
-        <a-descriptions :column="1" size="small" bordered>
-          <a-descriptions-item label="改写">
-            {{ eiValue(resultData.extracted_info.rewrite) }}
-          </a-descriptions-item>
-          <a-descriptions-item label="关键词">
-            {{ eiValue(resultData.extracted_info.keywords) }}
-          </a-descriptions-item>
-          <a-descriptions-item label="实体">
-            {{ eiValue(resultData.extracted_info.entities) }}
-          </a-descriptions-item>
-          <a-descriptions-item label="意图">
-            {{ eiValue(resultData.extracted_info.intent) }}
-          </a-descriptions-item>
-          <a-descriptions-item label="时间范围">
-            {{ eiValue(resultData.extracted_info.time_range) }}
-          </a-descriptions-item>
-          <a-descriptions-item label="命中类目">
-            {{ eiValue(resultData.extracted_info.categories) }}
-          </a-descriptions-item>
-        </a-descriptions>
-      </div>
-
-      <div class="text-muted" style="margin: 12px 0 8px">
-        命中 {{ hits(resultData).length }} 条
-      </div>
-
-      <div
-        v-for="(hit, idx) in hits(resultData)"
-        :key="`hit-${idx}`"
-        class="search__hit"
-      >
-        <div class="search__hit-meta">
-          score={{ hit.score }} | doc_id={{ hit.doc_id }} | 标题={{ hit.title || '' }} | section={{ hit.section_path || '' }}
-        </div>
-        <div class="search__hit-snippet text-break">{{ hit.text || '' }}</div>
-        <div v-if="hit.doc_summary" class="search__hit-meta">
-          文档摘要：{{ hit.doc_summary }}
-        </div>
-      </div>
-    </div>
-  </div>
-</template>
-
-<style scoped>
-.search__header {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  margin-bottom: 12px;
-}
-
-.search__title {
-  font-size: 16px;
-  margin: 0;
-}
-
-.search__result {
-  margin-top: 16px;
-}
-
-.search__alert {
-  margin: 12px 0;
-}
-
-.search__summary {
-  background: #f0fdf4;
-  border: 1px solid #bbf7d0;
-  border-radius: 6px;
-  padding: 12px 14px;
-  margin: 12px 0;
-  font-size: 13px;
-}
-
-.search__summary-title {
-  font-weight: 600;
-  margin-bottom: 6px;
-  color: #15803d;
-}
-
-.search__extracted {
-  background: #f0f9ff;
-  border: 1px solid #bae6fd;
-  border-radius: 6px;
-  padding: 12px 14px;
-  margin: 12px 0;
-  font-size: 13px;
-}
-
-.search__extracted-title {
-  font-weight: 600;
-  margin-bottom: 8px;
-  color: #0369a1;
-}
-
-.search__hit {
-  border: 1px solid #e5e7eb;
-  border-radius: 6px;
-  padding: 10px 12px;
-  margin-bottom: 10px;
-  background: #fff;
-}
-
-.search__hit-meta {
-  font-size: 12px;
-  color: #6b7280;
-  margin-bottom: 6px;
-  word-break: break-all;
-}
-
-.search__hit-snippet {
-  font-size: 13px;
-  color: #1f2937;
-}
-</style>
diff --git a/frontend/src/views/Tasks.vue b/frontend/src/views/Tasks.vue
deleted file mode 100644
index 72584a4..0000000
--- a/frontend/src/views/Tasks.vue
+++ /dev/null
@@ -1,179 +0,0 @@
-<script setup>
-import { onBeforeUnmount, onMounted, ref } from 'vue'
-import { message } from 'ant-design-vue'
-import { taskList } from '@/api/documents'
-import {
-  INGEST_STATUS_TEXT,
-  INGEST_STATUS_COLOR
-} from '@/constants/ingest'
-
-const tasks = ref([])
-const total = ref(0)
-const isLoading = ref(false)
-const isPolling = ref(false)
-const limit = ref(50)
-
-let timer = null
-
-function formatTime(iso) {
-  if (!iso) return '-'
-  const d = new Date(iso)
-  if (Number.isNaN(d.getTime())) return iso
-  const pad = (n) => String(n).padStart(2, '0')
-  return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}:${pad(d.getSeconds())}`
-}
-
-function statusText(s) {
-  return INGEST_STATUS_TEXT[s] || s || '-'
-}
-
-function statusColor(s) {
-  return INGEST_STATUS_COLOR[s] || 'default'
-}
-
-async function loadTasks(showSpinner = false) {
-  if (showSpinner) isLoading.value = true
-  try {
-    const data = await taskList(limit.value)
-    tasks.value = data.items || []
-    total.value = data.total ?? tasks.value.length
-  } catch (err) {
-    message.error(err?.message || '加载入库任务失败')
-  } finally {
-    if (showSpinner) isLoading.value = false
-  }
-}
-
-function startPolling() {
-  if (timer) return
-  isPolling.value = true
-  timer = setInterval(async () => {
-    await loadTasks(false)
-  }, 2000)
-}
-
-function stopPolling() {
-  if (timer) {
-    clearInterval(timer)
-    timer = null
-  }
-  isPolling.value = false
-}
-
-function togglePolling() {
-  if (isPolling.value) {
-    stopPolling()
-  } else {
-    startPolling()
-  }
-}
-
-function handleRefresh() {
-  loadTasks(true)
-}
-
-onMounted(() => {
-  loadTasks(true)
-  startPolling()
-})
-
-onBeforeUnmount(() => {
-  stopPolling()
-})
-
-const columns = [
-  { title: 'task_id', dataIndex: 'task_id', key: 'task_id', width: 260 },
-  { title: '文件名', dataIndex: 'filename', key: 'filename', ellipsis: true },
-  { title: '状态', dataIndex: 'status', key: 'status', width: 110 },
-  { title: 'doc_id', dataIndex: 'doc_id', key: 'doc_id', width: 260 },
-  { title: '创建时间', dataIndex: 'created_at', key: 'created_at', width: 170 },
-  { title: '更新时间', dataIndex: 'updated_at', key: 'updated_at', width: 170 }
-]
-</script>
-
-<template>
-  <div class="tasks page-section">
-    <div class="tasks__header">
-      <h2 class="tasks__title">入库进度</h2>
-      <div class="tasks__actions">
-        <span class="text-muted" style="margin-right: 8px">共 {{ total }} 条</span>
-        <a-button size="small" :loading="isLoading" @click="handleRefresh">刷新</a-button>
-        <a-button size="small" :type="isPolling ? 'default' : 'primary'" @click="togglePolling">
-          {{ isPolling ? '停止轮询' : '开始轮询' }}
-        </a-button>
-      </div>
-    </div>
-
-    <a-alert
-      v-if="isPolling"
-      class="tasks__alert"
-      type="info"
-      show-icon
-      message="每 2 秒自动刷新，展示近期上传文件与摘要入库进度。"
-    />
-
-    <a-table
-      :columns="columns"
-      :data-source="tasks"
-      :pagination="false"
-      :loading="isLoading"
-      row-key="task_id"
-      size="small"
-      :scroll="{ x: 1100 }"
-    >
-      <template #bodyCell="{ column, record }">
-        <template v-if="column.key === 'task_id'">
-          <a-typography-text copyable :style="{ fontSize: '12px' }">
-            {{ record.task_id }}
-          </a-typography-text>
-        </template>
-        <template v-else-if="column.key === 'filename'">
-          <span :title="record.filename">{{ record.filename || '-' }}</span>
-        </template>
-        <template v-else-if="column.key === 'status'">
-          <a-tag :color="statusColor(record.status)">{{ statusText(record.status) }}</a-tag>
-        </template>
-        <template v-else-if="column.key === 'doc_id'">
-          <a-typography-text
-            v-if="record.doc_id"
-            copyable
-            :style="{ fontSize: '12px' }"
-          >
-            {{ record.doc_id }}
-          </a-typography-text>
-          <span v-else class="text-muted">-</span>
-        </template>
-        <template v-else-if="column.key === 'created_at'">
-          {{ formatTime(record.created_at) }}
-        </template>
-        <template v-else-if="column.key === 'updated_at'">
-          {{ formatTime(record.updated_at) }}
-        </template>
-      </template>
-    </a-table>
-  </div>
-</template>
-
-<style scoped>
-.tasks__header {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  margin-bottom: 12px;
-}
-
-.tasks__title {
-  font-size: 16px;
-  margin: 0;
-}
-
-.tasks__actions {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-}
-
-.tasks__alert {
-  margin-bottom: 12px;
-}
-</style>
\ No newline at end of file
diff --git a/frontend/src/views/TasksDrawer.vue b/frontend/src/views/TasksDrawer.vue
new file mode 100644
index 0000000..259d3ef
--- /dev/null
+++ b/frontend/src/views/TasksDrawer.vue
@@ -0,0 +1,394 @@
+<script setup>
+import { computed, onBeforeUnmount, ref, watch } from 'vue'
+import { message, Modal } from 'ant-design-vue'
+import {
+  ReloadOutlined,
+  ClockCircleOutlined,
+  EyeOutlined,
+  ArrowLeftOutlined,
+  UndoOutlined,
+  DeleteOutlined
+} from '@ant-design/icons-vue'
+import {
+  taskList,
+  taskStatus,
+  retryTask,
+  deleteTask
+} from '@/api/documents'
+import {
+  INGEST_STATUS_TEXT,
+  INGEST_STATUS_COLOR
+} from '@/constants/ingest'
+import { useTasksDrawer } from '@/composables/useTasksDrawer'
+import { formatSize } from '@/utils/format'
+
+const { state, close } = useTasksDrawer()
+
+const tasks = ref([])
+const total = ref(0)
+const isLoading = ref(false)
+const isPolling = ref(false)
+
+/* 选中任务详情 */
+const selectedTask = ref(null)
+const isLoadingDetail = ref(false)
+const isRetrying = ref(false)
+const isDeleting = ref(false)
+
+let timer = null
+
+function formatTime(iso) {
+  if (!iso) return '-'
+  const d = new Date(iso)
+  if (Number.isNaN(d.getTime())) return iso
+  const pad = (n) => String(n).padStart(2, '0')
+  return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}:${pad(d.getSeconds())}`
+}
+
+function statusText(s) {
+  return INGEST_STATUS_TEXT[s] || s || '-'
+}
+
+function statusColor(s) {
+  return INGEST_STATUS_COLOR[s] || 'default'
+}
+
+const isTerminal = computed(() => ['done', 'failed'].includes(selectedTask.value?.status))
+const detailResult = computed(() => selectedTask.value?.result || null)
+const detailError = computed(() => selectedTask.value?.error || null)
+const detailSummary = computed(() => detailResult.value?.summary || {})
+const canRetry = computed(() => ['failed', 'done'].includes(selectedTask.value?.status))
+const canDelete = computed(() => ['failed', 'done'].includes(selectedTask.value?.status))
+
+/* 从任务记录提取详情展示字段（title/source/size） */
+const detailComputed = computed(() => {
+  const task = selectedTask.value
+  if (!task) return null
+  const source = task.source || {}
+  const metadata = source.metadata || {}
+  return {
+    title: task.title || source.title || '-',
+    source: task.source_text || source.source || '-',
+    size: task.size_bytes != null ? formatSize(task.size_bytes) : formatSize(metadata.original_size_bytes)
+  }
+})
+
+async function loadTasks(showSpinner = false) {
+  if (showSpinner) isLoading.value = true
+  try {
+    const data = await taskList(50)
+    tasks.value = data.items || []
+    total.value = data.total ?? tasks.value.length
+  } catch (err) {
+    message.error(err?.message || '加载入库任务失败')
+  } finally {
+    if (showSpinner) isLoading.value = false
+  }
+}
+
+function startPolling() {
+  if (timer) return
+  isPolling.value = true
+  timer = setInterval(async () => {
+    await loadTasks(false)
+  }, 2000)
+}
+
+function stopPolling() {
+  if (timer) {
+    clearInterval(timer)
+    timer = null
+  }
+  isPolling.value = false
+}
+
+function togglePolling() {
+  if (isPolling.value) stopPolling()
+  else startPolling()
+}
+
+/* 打开/关闭抽屉时启停轮询 */
+watch(
+  () => state.open,
+  (open) => {
+    if (open) {
+      loadTasks(true)
+      startPolling()
+    } else {
+      stopPolling()
+      selectedTask.value = null
+    }
+  },
+  { immediate: true }
+)
+
+async function openDetail(task) {
+  selectedTask.value = null
+  isLoadingDetail.value = true
+  try {
+    selectedTask.value = await taskStatus(task.task_id)
+  } catch (err) {
+    message.error(err?.message || '加载任务详情失败')
+  } finally {
+    isLoadingDetail.value = false
+  }
+}
+
+function backToList() {
+  selectedTask.value = null
+}
+
+async function handleRetry(task) {
+  const taskId = task?.task_id || selectedTask.value?.task_id
+  if (!taskId) return
+  isRetrying.value = true
+  try {
+    const data = await retryTask(taskId)
+    message.success(`已提交新任务：${data.task_id}`)
+    selectedTask.value = null
+    await loadTasks(false)
+  } catch (err) {
+    message.error(err?.message || '重试失败')
+  } finally {
+    isRetrying.value = false
+  }
+}
+
+function handleDelete(task) {
+  const taskId = task?.task_id || selectedTask.value?.task_id
+  if (!taskId) return
+  Modal.confirm({
+    title: '删除入库任务',
+    content: `确定删除任务「${taskId}」吗？删除后不可恢复。`,
+    okText: '删除',
+    okType: 'danger',
+    cancelText: '取消',
+    async onOk() {
+      isDeleting.value = true
+      try {
+        await deleteTask(taskId)
+        message.success('任务已删除')
+        selectedTask.value = null
+        await loadTasks(false)
+      } catch (err) {
+        message.error(err?.message || '删除任务失败')
+      } finally {
+        isDeleting.value = false
+      }
+    }
+  })
+}
+
+onBeforeUnmount(stopPolling)
+
+const columns = [
+  { title: '状态', dataIndex: 'status', key: 'status', width: 90 },
+  { title: '文件名', dataIndex: 'filename', key: 'filename', ellipsis: true },
+  { title: 'task_id', dataIndex: 'task_id', key: 'task_id', width: 200 },
+  { title: 'doc_id', dataIndex: 'doc_id', key: 'doc_id', width: 200 },
+  { title: '创建时间', dataIndex: 'created_at', key: 'created_at', width: 160 },
+  { title: '操作', dataIndex: 'action', key: 'action', width: 130 }
+]
+</script>
+
+<template>
+  <a-drawer
+    :open="state.open"
+    :title="selectedTask ? '任务详情' : '入库进度'"
+    placement="right"
+    width="640"
+    :destroy-on-close="true"
+    @close="close"
+  >
+    <!-- 列表视图 -->
+    <template v-if="!selectedTask">
+      <div class="tasks-drawer__header">
+        <span class="text-muted">共 {{ total }} 条</span>
+        <div class="tasks-drawer__actions">
+          <a-button size="small" :loading="isLoading" @click="loadTasks(true)">
+            <template #icon><ReloadOutlined /></template>
+            刷新
+          </a-button>
+          <a-button size="small" :type="isPolling ? 'default' : 'primary'" @click="togglePolling">
+            {{ isPolling ? '停止轮询' : '开始轮询' }}
+          </a-button>
+        </div>
+      </div>
+      <a-alert
+        v-if="isPolling"
+        type="info"
+        show-icon
+        message="每 2 秒自动刷新近期入库任务。"
+        style="margin-bottom: 12px"
+      />
+      <a-table
+        :columns="columns"
+        :data-source="tasks"
+        :pagination="false"
+        :loading="isLoading"
+        row-key="task_id"
+        size="small"
+        :scroll="{ x: 720 }"
+      >
+        <template #bodyCell="{ column, record }">
+          <template v-if="column.key === 'status'">
+            <a-tag :color="statusColor(record.status)">{{ statusText(record.status) }}</a-tag>
+          </template>
+          <template v-else-if="column.key === 'filename'">
+            <span :title="record.filename">{{ record.filename || '-' }}</span>
+          </template>
+          <template v-else-if="column.key === 'task_id'">
+            <a-typography-text copyable :style="{ fontSize: '12px' }">{{ record.task_id }}</a-typography-text>
+          </template>
+          <template v-else-if="column.key === 'doc_id'">
+            <a-typography-text
+              v-if="record.doc_id"
+              copyable
+              :style="{ fontSize: '12px' }"
+            >
+              {{ record.doc_id }}
+            </a-typography-text>
+            <span v-else class="text-muted">-</span>
+          </template>
+          <template v-else-if="column.key === 'created_at'">
+            {{ formatTime(record.created_at) }}
+          </template>
+          <template v-else-if="column.key === 'action'">
+            <a-button type="link" size="small" @click="openDetail(record)">
+              <template #icon><EyeOutlined /></template>
+              详情
+            </a-button>
+            <a-button
+              v-if="['failed', 'done'].includes(record.status)"
+              type="link"
+              size="small"
+              @click="handleRetry(record)"
+            >
+              <template #icon><UndoOutlined /></template>
+              重试
+            </a-button>
+            <a-button
+              v-if="['done', 'failed'].includes(record.status)"
+              type="link"
+              size="small"
+              danger
+              @click="handleDelete(record)"
+            >
+              <template #icon><DeleteOutlined /></template>
+              删除
+            </a-button>
+          </template>
+        </template>
+      </a-table>
+    </template>
+
+    <!-- 详情视图 -->
+    <template v-else>
+      <a-button size="small" type="link" style="margin-bottom: 12px; padding-left: 0" @click="backToList">
+        <template #icon><ArrowLeftOutlined /></template>
+        返回列表
+      </a-button>
+
+      <a-spin :spinning="isLoadingDetail">
+        <template v-if="selectedTask">
+          <a-descriptions :column="1" size="small" bordered>
+            <a-descriptions-item label="状态">
+              <a-tag :color="statusColor(selectedTask.status)">{{ statusText(selectedTask.status) }}</a-tag>
+            </a-descriptions-item>
+            <a-descriptions-item label="task_id">{{ selectedTask.task_id || '-' }}</a-descriptions-item>
+            <a-descriptions-item label="文件名">{{ selectedTask.filename || '-' }}</a-descriptions-item>
+            <a-descriptions-item label="标题">{{ detailComputed?.title || '-' }}</a-descriptions-item>
+            <a-descriptions-item label="来源">{{ detailComputed?.source || '-' }}</a-descriptions-item>
+            <a-descriptions-item label="文件大小">{{ detailComputed?.size || '-' }}</a-descriptions-item>
+            <a-descriptions-item label="doc_id">{{ selectedTask.doc_id || '-' }}</a-descriptions-item>
+            <a-descriptions-item label="创建时间">{{ formatTime(selectedTask.created_at) }}</a-descriptions-item>
+            <a-descriptions-item label="更新时间">{{ formatTime(selectedTask.updated_at) }}</a-descriptions-item>
+          </a-descriptions>
+
+          <!-- 完成详情 -->
+          <div v-if="isTerminal && selectedTask.status === 'done' && detailResult" class="tasks-drawer__block">
+            <h4 class="tasks-drawer__block-title">入库结果</h4>
+            <a-descriptions :column="1" size="small" bordered>
+              <a-descriptions-item label="document_id">{{ detailResult.document_id || '-' }}</a-descriptions-item>
+              <a-descriptions-item label="类目">{{ detailResult.category || '-' }}（置信度 {{ detailResult.category_confidence ?? '-' }}）</a-descriptions-item>
+              <a-descriptions-item label="标签">
+                <template v-if="detailResult.tags && detailResult.tags.length">
+                  <a-tag v-for="tag in detailResult.tags" :key="tag">{{ tag }}</a-tag>
+                </template>
+                <span v-else class="text-muted">-</span>
+              </a-descriptions-item>
+              <a-descriptions-item label="总结层级">{{ detailSummary.level ?? '-' }}</a-descriptions-item>
+              <a-descriptions-item label="chunks_count">{{ detailResult.chunks_count ?? 0 }}</a-descriptions-item>
+              <a-descriptions-item v-if="detailResult.deduplicated" label="去重">是（复用既有文档）</a-descriptions-item>
+            </a-descriptions>
+            <h4 class="tasks-drawer__block-title">L1 总结</h4>
+            <pre class="tasks-drawer__pre">{{ detailSummary.l1_summary || '' }}</pre>
+          </div>
+
+          <!-- 失败详情 -->
+          <div v-if="isTerminal && selectedTask.status === 'failed' && detailError" class="tasks-drawer__block">
+            <a-alert
+              type="error"
+              show-icon
+              :message="`失败阶段：${detailError.stage || '-'}`"
+              :description="detailError.message || '-'"
+            />
+            <template v-if="detailError.partial_summary && detailError.partial_summary.l1_summary">
+              <h4 class="tasks-drawer__block-title">L1 总结（部分）</h4>
+              <pre class="tasks-drawer__pre">{{ detailError.partial_summary.l1_summary }}</pre>
+            </template>
+          </div>
+
+          <div class="tasks-drawer__actions">
+            <a-button v-if="canRetry" :loading="isRetrying" @click="handleRetry(selectedTask)">
+              <template #icon><UndoOutlined /></template>
+              重试
+            </a-button>
+            <a-button v-if="canDelete" danger :loading="isDeleting" @click="handleDelete(selectedTask)">
+              <template #icon><DeleteOutlined /></template>
+              删除
+            </a-button>
+          </div>
+        </template>
+      </a-spin>
+    </template>
+  </a-drawer>
+</template>
+
+<style scoped>
+.tasks-drawer__header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 8px;
+}
+
+.tasks-drawer__actions {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.tasks-drawer__block {
+  margin-top: 16px;
+}
+
+.tasks-drawer__block-title {
+  font-size: 13px;
+  margin: 12px 0 6px;
+  color: #374151;
+}
+
+.tasks-drawer__pre {
+  background: #f9fafb;
+  border: 1px solid #e5e7eb;
+  border-radius: 4px;
+  padding: 8px;
+  white-space: pre-wrap;
+  word-break: break-word;
+  font-size: 12px;
+  max-height: 220px;
+  overflow: auto;
+  margin: 0;
+}
+</style>
\ No newline at end of file
diff --git a/tests/test_ingest_task_api.py b/tests/test_ingest_task_api.py
index c8a004b..9d3fc4c 100644
--- a/tests/test_ingest_task_api.py
+++ b/tests/test_ingest_task_api.py
@@ -19,6 +19,8 @@ class FakeManager:
         self.tasks = tasks or {}
         self.task_id = task_id
         self.submitted: list[DocumentInput] = []
+        self.retry_result: str | None = None
+        self.delete_result: bool = False
 
     async def submit(self, doc: DocumentInput) -> str:
         self.submitted.append(doc)
@@ -27,6 +29,12 @@ class FakeManager:
     async def get(self, task_id: str) -> dict[str, Any] | None:
         return self.tasks.get(task_id)
 
+    async def retry(self, task_id: str) -> str | None:
+        return self.retry_result
+
+    async def delete(self, task_id: str) -> bool:
+        return self.delete_result
+
 
 def _task(task_id: str, status: str, **extra: Any) -> dict[str, Any]:
     """构造一条任务记录（时间字段为固定 ISO8601 字符串）"""
@@ -159,3 +167,44 @@ def test_post_empty_text_creates_no_task(client: TestClient, monkeypatch: pytest
     body = resp.json()
     assert body["code"] == 1001
     assert manager.submitted == []
+
+
+def test_retry_task_returns_202(client: TestClient, monkeypatch: pytest.MonkeyPatch) -> None:
+    """POST tasks/{id}/retry：HTTP 202，返回新 task_id 与 pending 状态"""
+    manager = FakeManager()
+    manager.retry_result = "new-task-7"
+    _inject_manager(monkeypatch, manager)
+
+    resp = client.post("/api/v1/documents/tasks/t-failed/retry")
+
+    assert resp.status_code == 202
+    body = resp.json()
+    assert body["code"] == 0
+    assert body["data"]["task_id"] == "new-task-7"
+    assert body["data"]["status"] == "pending"
+
+
+def test_retry_task_not_found(client: TestClient, monkeypatch: pytest.MonkeyPatch) -> None:
+    """POST tasks/{id}/retry：manager 返回 None → code=1004"""
+    manager = FakeManager()
+    manager.retry_result = None
+    _inject_manager(monkeypatch, manager)
+
+    resp = client.post("/api/v1/documents/tasks/nope/retry")
+
+    body = resp.json()
+    assert body["code"] == 1004
+
+
+def test_delete_task(client: TestClient, monkeypatch: pytest.MonkeyPatch) -> None:
+    """DELETE tasks/{id}：删除成功 → deleted=true"""
+    manager = FakeManager()
+    manager.delete_result = True
+    _inject_manager(monkeypatch, manager)
+
+    resp = client.delete("/api/v1/documents/tasks/t-x")
+
+    body = resp.json()
+    assert body["code"] == 0
+    assert body["data"]["task_id"] == "t-x"
+    assert body["data"]["deleted"] is True