feat(backend): 文件处理和语义分割 API 更新

- chunks API: 支持语义分割模式和 embedding 配置
- files API: 文件异步处理优化

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

backend/app/api/v1/chunks/__init__.py

@@ -17,7 +17,7 @@ from app.core.crud import CRUDBase
 from app.core.logging import log_success, log_failure
 from app.models.models import Chunk, File
 from app.schemas.chunk import ChunkResponse
-from app.schemas.chunk import ChunkCreateSchema
+from app.schemas.chunk import ChunkCreateSchema, ChunkUpdateSchema
 from app.services.text_splitter.splitter import get_splitter
 from markitdown import MarkItDown
 
@@ -209,7 +209,7 @@ async def list_chunks(
         limit=page_size,
         filters=filters,
         order_by="created_at",
-        descending=True
+        descending=False
     )
 
     chunk_responses = [ChunkResponse.model_validate(c) for c in chunks]
@@ -239,7 +239,7 @@ async def get_chunk(
 async def update_chunk(
     project_id: UUID,
     chunk_id: UUID,
-    chunk: ChunkCreateSchema,
+    chunk: ChunkUpdateSchema,
     db: AsyncSession = Depends(get_db)
 ):
     """Update chunk"""

backend/app/api/v1/files/__init__.py

@@ -158,7 +158,7 @@ async def upload_file(
                         # txt, md 等直接读取
                         text_content = file_path_obj.read_text(encoding='utf-8')
 
-                    # 保存到 ready 目录
+                    # 保存到 ready 目录，使用 {uuid}.md 格式
                     ready_dir = get_project_ready_dir(str(project_id_val))
                     ready_filename = f"{file_id}.md"
                     ready_path = ready_dir / ready_filename

frontend/src/App.vue

@@ -129,43 +129,59 @@ html, body, #app {
 .mesh-gradient {
   position: absolute;
   border-radius: 50%;
-  filter: blur(80px);
-  opacity: 0.6;
-  animation: float 20s ease-in-out infinite;
+  filter: blur(100px);
+  opacity: 0.5;
+  animation: sciFiFloat 15s ease-in-out infinite;
 }
 
 .mesh-1 {
-  width: 800px;
-  height: 800px;
-  background: radial-gradient(circle, rgba(0, 212, 255, 0.4) 0%, rgba(6, 182, 212, 0.2) 40%, transparent 70%);
-  top: -300px;
-  right: -200px;
+  width: 900px;
+  height: 900px;
+  background: radial-gradient(circle, rgba(0, 212, 255, 0.5) 0%, rgba(6, 182, 212, 0.25) 40%, transparent 70%);
+  top: -400px;
+  left: -300px;
   animation-delay: 0s;
+  animation-duration: 18s;
 }
 
 .mesh-2 {
-  width: 700px;
-  height: 700px;
-  background: radial-gradient(circle, rgba(124, 58, 237, 0.4) 0%, rgba(139, 92, 246, 0.2) 40%, transparent 70%);
-  bottom: -250px;
-  left: -200px;
-  animation-delay: -7s;
+  width: 800px;
+  height: 800px;
+  background: radial-gradient(circle, rgba(124, 58, 237, 0.5) 0%, rgba(139, 92, 246, 0.25) 40%, transparent 70%);
+  bottom: -300px;
+  right: -200px;
+  animation-delay: -5s;
+  animation-duration: 20s;
 }
 
 .mesh-3 {
-  width: 600px;
-  height: 600px;
-  background: radial-gradient(circle, rgba(236, 72, 153, 0.3) 0%, rgba(168, 85, 247, 0.15) 40%, transparent 70%);
-  top: 30%;
-  left: 25%;
-  animation-delay: -14s;
+  width: 700px;
+  height: 700px;
+  background: radial-gradient(circle, rgba(236, 72, 153, 0.4) 0%, rgba(168, 85, 247, 0.2) 40%, transparent 70%);
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  animation-delay: -10s;
+  animation-duration: 22s;
 }
 
-@keyframes float {
-  0%, 100% { transform: translate(0, 0) scale(1); }
-  25% { transform: translate(60px, -50px) scale(1.1); }
-  50% { transform: translate(-40px, 40px) scale(0.95); }
-  75% { transform: translate(-50px, -30px) scale(1.05); }
+@keyframes sciFiFloat {
+  0%, 100% {
+    transform: translate(0, 0) scale(1) rotate(0deg);
+    opacity: 0.4;
+  }
+  25% {
+    transform: translate(200px, -150px) scale(1.2) rotate(10deg);
+    opacity: 0.65;
+  }
+  50% {
+    transform: translate(-150px, 100px) scale(0.85) rotate(-5deg);
+    opacity: 0.5;
+  }
+  75% {
+    transform: translate(100px, 150px) scale(1.15) rotate(8deg);
+    opacity: 0.6;
+  }
 }
 
 .noise-overlay {

frontend/src/components/common/DeleteDialog.vue

@@ -2,7 +2,7 @@
   <el-dialog
     :model-value="visible"
     title=""
-    width="420px"
+    width="460px"
     class="delete-dialog"
     :show-close="false"
     align-center
@@ -11,16 +11,23 @@
   >
     <template #header>
       <div class="delete-dialog-header">
-        <div class="delete-icon-wrapper">
-          <el-icon size="28"><WarningFilled /></el-icon>
+        <div class="delete-header-top">
+          <div class="delete-icon-wrapper">
+            <el-icon size="26"><WarningFilled /></el-icon>
+          </div>
+          <div class="delete-kicker">Danger Zone</div>
+        </div>
+        <div class="delete-title-group">
+          <h3>{{ title }}</h3>
+          <p v-if="detailText" class="detail-text">{{ detailText }}</p>
         </div>
-        <h3>{{ title }}</h3>
       </div>
     </template>
     <div class="delete-dialog-body">
-      <p>
-        确定要删除 <strong>{{ itemName }}</strong> 吗？
-      </p>
+      <div class="delete-target-card">
+        <span class="target-label">目标对象</span>
+        <strong class="target-name">{{ itemName }}</strong>
+      </div>
       <p class="warning-text">{{ warningText }}</p>
     </div>
     <template #footer>
@@ -38,7 +45,7 @@
           class="btn-delete"
         >
           <el-icon v-if="!loading"><Delete /></el-icon>
-          确认删除
+          {{ confirmText }}
         </el-button>
       </div>
     </template>
@@ -63,6 +70,14 @@ const props = defineProps({
     type: String,
     default: '此操作不可恢复，所有相关数据将被永久删除'
   },
+  detailText: {
+    type: String,
+    default: ''
+  },
+  confirmText: {
+    type: String,
+    default: '确认删除'
+  },
   loading: {
     type: Boolean,
     default: false
@@ -83,18 +98,25 @@ const handleCancel = () => {
 
 <style scoped>
 .delete-dialog :deep(.el-dialog) {
-  background: linear-gradient(145deg, #1a1a2e 0%, #16162a 100%);
-  border: 1px solid rgba(239, 68, 68, 0.2);
-  border-radius: 16px;
-  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(239, 68, 68, 0.1);
+  background:
+    radial-gradient(circle at top left, rgba(239, 68, 68, 0.14), transparent 24%),
+    radial-gradient(circle at bottom right, rgba(251, 146, 60, 0.08), transparent 20%),
+    linear-gradient(180deg, #11151d 0%, #0d1118 100%);
+  border: 1px solid rgba(239, 68, 68, 0.18);
+  border-radius: 22px;
+  overflow: hidden;
+  box-shadow:
+    0 24px 80px rgba(0, 0, 0, 0.5),
+    inset 0 1px 0 rgba(255, 255, 255, 0.04);
 }
 
 .delete-dialog :deep(.el-dialog__header) {
-  padding: 24px 24px 12px;
+  padding: 0;
+  margin: 0;
 }
 
 .delete-dialog :deep(.el-dialog__body) {
-  padding: 0 24px 24px;
+  padding: 0;
 }
 
 .delete-dialog :deep(.el-dialog__footer) {
@@ -102,87 +124,138 @@ const handleCancel = () => {
 }
 
 .delete-dialog-header {
+  padding: 24px 24px 18px;
   display: flex;
   flex-direction: column;
+  gap: 14px;
+  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
+  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
+}
+
+.delete-header-top {
+  display: flex;
   align-items: center;
-  gap: 12px;
+  justify-content: space-between;
 }
 
 .delete-icon-wrapper {
-  width: 56px;
-  height: 56px;
+  width: 48px;
+  height: 48px;
   display: flex;
   align-items: center;
   justify-content: center;
-  background: linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, rgba(239, 68, 68, 0.1) 100%);
-  border: 1px solid rgba(239, 68, 68, 0.3);
-  border-radius: 50%;
-  color: #ef4444;
+  background: linear-gradient(135deg, rgba(239, 68, 68, 0.18), rgba(249, 115, 22, 0.08));
+  border: 1px solid rgba(239, 68, 68, 0.24);
+  border-radius: 14px;
+  color: #fb7185;
+  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
+}
+
+.delete-kicker {
+  font-size: 11px;
+  letter-spacing: 0.16em;
+  text-transform: uppercase;
+  color: rgba(251, 113, 133, 0.72);
+  font-family: 'JetBrains Mono', 'SF Mono', monospace;
+}
+
+.delete-title-group {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
 }
 
 .delete-dialog-header h3 {
   margin: 0;
-  font-size: 18px;
+  font-size: 22px;
   font-weight: 600;
-  color: #fff;
+  color: #f8fafc;
+  letter-spacing: -0.02em;
+}
+
+.detail-text {
+  margin: 0;
+  color: rgba(226, 232, 240, 0.72);
+  font-size: 13px;
+  line-height: 1.6;
 }
 
 .delete-dialog-body {
-  text-align: center;
-  padding: 8px 0;
+  padding: 22px 24px 24px;
 }
 
-.delete-dialog-body p {
+.delete-target-card {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+  padding: 14px 16px;
+  border-radius: 16px;
+  background: rgba(255, 255, 255, 0.03);
+  border: 1px solid rgba(255, 255, 255, 0.06);
+  margin-bottom: 14px;
+}
+
+.target-label {
+  font-size: 11px;
+  letter-spacing: 0.12em;
+  text-transform: uppercase;
+  color: rgba(148, 163, 184, 0.65);
+  font-family: 'JetBrains Mono', 'SF Mono', monospace;
+}
+
+.target-name {
+  color: #f8fafc;
+  font-size: 15px;
+  font-weight: 600;
+  line-height: 1.5;
+  word-break: break-word;
+}
+
+.warning-text {
   margin: 0;
-  color: #ccc;
-  font-size: 14px;
-}
-
-.delete-dialog-body p strong {
-  color: #fff;
-}
-
-.delete-dialog-body .warning-text {
-  margin-top: 8px;
-  color: #ef4444;
   font-size: 13px;
+  line-height: 1.7;
+  color: #fca5a5;
 }
 
 .delete-dialog-footer {
   display: flex;
-  justify-content: center;
+  justify-content: flex-end;
   gap: 12px;
-  padding: 20px 24px;
-  background: rgba(0, 0, 0, 0.2);
-  border-top: 1px solid rgba(255, 255, 255, 0.05);
+  padding: 18px 24px 24px;
+  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.14));
+  border-top: 1px solid rgba(255, 255, 255, 0.04);
 }
 
 .btn-cancel-delete {
-  padding: 10px 24px;
-  background: transparent;
-  border: 1px solid rgba(255, 255, 255, 0.1);
+  min-width: 108px;
+  padding: 10px 20px;
+  background: rgba(255, 255, 255, 0.03);
+  border: 1px solid rgba(255, 255, 255, 0.08);
   border-radius: 10px;
-  color: #ccc;
+  color: rgba(226, 232, 240, 0.8);
   transition: all 0.2s ease;
 }
 
 .btn-cancel-delete:hover {
-  background: rgba(255, 255, 255, 0.05);
-  border-color: rgba(255, 255, 255, 0.2);
+  background: rgba(255, 255, 255, 0.06);
+  border-color: rgba(255, 255, 255, 0.16);
   color: #fff;
 }
 
 .btn-delete {
-  padding: 10px 24px;
-  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
+  min-width: 128px;
+  padding: 10px 20px;
+  background: linear-gradient(135deg, #ef4444 0%, #dc2626 55%, #b91c1c 100%);
   border: none;
   border-radius: 10px;
-  font-weight: 500;
+  font-weight: 600;
   transition: all 0.25s ease;
+  box-shadow: 0 10px 30px rgba(239, 68, 68, 0.18);
 }
 
 .btn-delete:hover {
   transform: translateY(-1px);
-  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.4);
+  box-shadow: 0 14px 34px rgba(239, 68, 68, 0.28);
 }
 </style>

frontend/src/views/ProjectView.vue

@@ -32,13 +32,6 @@
           <span class="nav-dot"></span>
         </router-link>
       </nav>
-
-      <div class="sidebar-footer">
-        <router-link to="/" class="home-link">
-          <el-icon><HomeFilled /></el-icon>
-          <span>返回首页</span>
-        </router-link>
-      </div>
     </aside>
 
     <!-- Main Content -->
@@ -296,37 +289,6 @@ onMounted(() => fetchProject())
 }
 
 /* Sidebar Footer */
-.sidebar-footer {
-  padding: 16px 20px;
-  border-top: 1px solid var(--border-subtle);
-}
-
-.home-link {
-  display: flex;
-  align-items: center;
-  gap: 12px;
-  padding: 12px 14px;
-  border-radius: var(--radius-md);
-  color: var(--text-tertiary);
-  font-size: 14px;
-  text-decoration: none;
-  transition: all var(--transition-fast);
-}
-
-.home-link:hover {
-  background: var(--bg-hover);
-  color: var(--text-primary);
-}
-
-.home-link span {
-  transition: opacity 0.2s ease;
-}
-
-.sidebar.collapsed .home-link span {
-  opacity: 0;
-  width: 0;
-  overflow: hidden;
-}
 
 /* Main Content */
 .main-content {
@@ -348,8 +310,7 @@ onMounted(() => fetchProject())
   }
 
   .sidebar .project-details,
-  .sidebar .nav-label,
-  .sidebar .home-link span {
+  .sidebar .nav-label {
     display: none;
   }
 

frontend/src/views/project/FileManage.vue

@@ -113,6 +113,10 @@
             </el-checkbox>
           </div>
           <div class="table-actions" v-if="selectedCount > 0">
+            <el-button type="danger" size="small" plain @click="clearSelection" class="batch-clear-btn">
+              <el-icon><Close /></el-icon>
+              <span>清除选择</span>
+            </el-button>
             <el-button type="danger" size="small" plain @click="batchDelete" class="batch-delete-btn">
               <el-icon><Delete /></el-icon>
               <span>批量删除</span>
@@ -132,9 +136,10 @@
               'row-animated': isInitialLoad
             }"
             :style="{ '--delay': index * 0.04 + 's' }"
+            @click="toggleSelect(file.id)"
           >
             <!-- Select Checkbox -->
-            <div class="col-select">
+            <div class="col-select" @click.stop>
               <el-checkbox
                 :model-value="isSelected(file.id)"
                 @change="toggleSelect(file.id)"
@@ -175,19 +180,15 @@
             </div>
 
             <!-- Actions -->
-            <div class="col-actions">
+            <div class="col-actions" @click.stop>
               <el-tooltip content="预览" placement="top" v-if="file.status === 'completed'">
                 <el-button text size="small" class="action-btn preview" @click="handlePreview(file)">
                   <el-icon><View /></el-icon>
                 </el-button>
               </el-tooltip>
-              <el-popconfirm title="确定删除此文件？" @confirm="handleDelete(file)">
-                <template #reference>
-                  <el-button text size="small" class="action-btn delete">
-                    <el-icon><Delete /></el-icon>
-                  </el-button>
-                </template>
-              </el-popconfirm>
+              <el-button text size="small" class="action-btn delete" @click="openDeleteDialog(file)">
+                <el-icon><Delete /></el-icon>
+              </el-button>
             </div>
           </div>
         </div>
@@ -249,7 +250,7 @@
     </el-dialog>
   </div>
 
-  <!-- Preview Modal -->
+    <!-- Preview Modal -->
   <Teleport to="body">
     <!-- Backdrop -->
     <Transition name="fade">
@@ -307,6 +308,17 @@
       </div>
     </Transition>
   </Teleport>
+
+  <DeleteDialog
+    v-model:visible="deleteDialogVisible"
+    title="删除文件"
+    :item-name="pendingDeleteFile?.filename || ''"
+    detail-text="该操作会移除原始文件以及关联的处理结果，请确认当前项目内不再需要它。"
+    warning-text="删除后不可恢复，文件相关的分割结果和后续数据将一并失效。"
+    confirm-text="确认删除文件"
+    :loading="deletingFile"
+    @confirm="confirmDeleteFile"
+  />
 </template>
 
 <script setup>
@@ -314,6 +326,7 @@ import { ref, computed, onMounted } from 'vue'
 import { useRoute } from 'vue-router'
 import { ElMessage } from 'element-plus'
 import { fileApi } from '@/api'
+import DeleteDialog from '@/components/common/DeleteDialog.vue'
 
 const route = useRoute()
 const projectId = computed(() => route.params.id)
@@ -331,6 +344,9 @@ const uploadDialogVisible = ref(false)
 const uploading = ref(false)
 const uploadRef = ref(null)
 const fileList = ref([])
+const deleteDialogVisible = ref(false)
+const pendingDeleteFile = ref(null)
+const deletingFile = ref(false)
 
 // Multi-select
 const selectedFiles = ref([])
@@ -357,6 +373,10 @@ const toggleSelect = (fileId) => {
 
 const isSelected = (fileId) => selectedFiles.value.includes(fileId)
 
+const clearSelection = () => {
+  selectedFiles.value = []
+}
+
 const batchDelete = async () => {
   if (selectedFiles.value.length === 0) return
   try {
@@ -471,14 +491,29 @@ const submitUpload = async () => {
 
 const handleDelete = async (file) => {
   try {
+    deletingFile.value = true
     await fileApi.delete(projectId.value, file.id)
     ElMessage.success('删除成功')
     fetchFiles()
   } catch (error) {
     ElMessage.error('删除失败')
+  } finally {
+    deletingFile.value = false
+    deleteDialogVisible.value = false
+    pendingDeleteFile.value = null
   }
 }
 
+const openDeleteDialog = (file) => {
+  pendingDeleteFile.value = file
+  deleteDialogVisible.value = true
+}
+
+const confirmDeleteFile = async () => {
+  if (!pendingDeleteFile.value) return
+  await handleDelete(pendingDeleteFile.value)
+}
+
 const handlePreview = async (file) => {
   previewFile.value = file
   previewVisible.value = true
@@ -955,6 +990,18 @@ onMounted(() => fetchFiles())
   color: white !important;
 }
 
+.batch-clear-btn {
+  background: transparent !important;
+  border-color: var(--text-muted) !important;
+  color: var(--text-secondary) !important;
+}
+
+.batch-clear-btn:hover {
+  background: var(--bg-hover) !important;
+  border-color: var(--text-secondary) !important;
+  color: #ffffff !important;
+}
+
 .files-table {
   display: flex;
   flex-direction: column;

frontend/src/views/project/QuestionManage.vue

@@ -1,79 +1,182 @@
 <template>
   <div class="question-manage">
-    <!-- Page Header -->
+    <!-- Header -->
     <div class="page-header">
       <div class="header-left">
-        <h2>问答管理</h2>
-        <p class="header-desc">管理和生成问答数据</p>
+        <h2 class="page-title">问答管理</h2>
+        <p class="page-subtitle">管理和生成问答数据</p>
+      </div>
+      <div class="header-actions">
+        <el-button type="primary" @click="showGenerateDialog = true" class="generate-btn">
+          <el-icon><Plus /></el-icon>
+          <span>生成问题</span>
+        </el-button>
       </div>
-      <el-button type="primary" @click="showGenerateDialog = true" class="generate-btn">
-        <el-icon><Plus /></el-icon>
-        生成问题
-      </el-button>
     </div>
 
-    <!-- Stats -->
+    <!-- Stats Cards -->
     <div class="stats-grid">
-      <div class="stat-card">
-        <div class="stat-icon violet">
-          <el-icon><ChatDotSquare /></el-icon>
-        </div>
-        <div class="stat-info">
-          <span class="stat-value">{{ questions.length }}</span>
-          <span class="stat-label">总问题数</span>
+      <div
+        class="stat-card stat-total"
+        :class="{ active: filterStatus === '' }"
+        @click="filterStatus = ''"
+      >
+        <div class="stat-glow"></div>
+        <div class="stat-inner">
+          <div class="stat-icon-wrap">
+            <el-icon size="24"><ChatDotSquare /></el-icon>
+          </div>
+          <div class="stat-info">
+            <span class="stat-value">{{ questions.length }}</span>
+            <span class="stat-label">总问题数</span>
+          </div>
         </div>
       </div>
-      <div class="stat-card">
-        <div class="stat-icon cyan">
-          <el-icon><MagicStick /></el-icon>
-        </div>
-        <div class="stat-info">
-          <span class="stat-value">{{ generatedCount }}</span>
-          <span class="stat-label">AI 生成</span>
+      <div
+        class="stat-card stat-completed"
+        :class="{ active: filterStatus === 'generated' }"
+        @click="filterStatus = filterStatus === 'generated' ? '' : 'generated'"
+      >
+        <div class="stat-glow"></div>
+        <div class="stat-inner">
+          <div class="stat-icon-wrap">
+            <el-icon size="24"><MagicStick /></el-icon>
+          </div>
+          <div class="stat-info">
+            <span class="stat-value">{{ generatedCount }}</span>
+            <span class="stat-label">AI 生成</span>
+          </div>
         </div>
       </div>
-      <div class="stat-card">
-        <div class="stat-icon orange">
-          <el-icon><EditPen /></el-icon>
+      <div
+        class="stat-card stat-processing"
+        :class="{ active: filterStatus === 'manual' }"
+        @click="filterStatus = filterStatus === 'manual' ? '' : 'manual'"
+      >
+        <div class="stat-glow"></div>
+        <div class="stat-inner">
+          <div class="stat-icon-wrap">
+            <el-icon size="24"><EditPen /></el-icon>
+          </div>
+          <div class="stat-info">
+            <span class="stat-value">{{ manualCount }}</span>
+            <span class="stat-label">手动添加</span>
+          </div>
         </div>
-        <div class="stat-info">
-          <span class="stat-value">{{ manualCount }}</span>
-          <span class="stat-label">手动添加</span>
+      </div>
+      <div
+        class="stat-card stat-failed"
+        :class="{ active: filterStatus === 'failed' }"
+        @click="filterStatus = filterStatus === 'failed' ? '' : 'failed'"
+      >
+        <div class="stat-glow"></div>
+        <div class="stat-inner">
+          <div class="stat-icon-wrap">
+            <el-icon size="24"><CircleCloseFilled /></el-icon>
+          </div>
+          <div class="stat-info">
+            <span class="stat-value">{{ failedCount }}</span>
+            <span class="stat-label">失败</span>
+          </div>
         </div>
       </div>
     </div>
 
-    <!-- Question Table -->
-    <div class="table-card">
-      <el-table :data="questions" v-loading="loading" style="width: 100%">
-        <el-table-column prop="content" label="问题内容" min-width="300">
-          <template #default="{ row }">
-            <div class="question-content">{{ row.content }}</div>
-          </template>
-        </el-table-column>
-        <el-table-column prop="answer" label="答案" min-width="200">
-          <template #default="{ row }">
-            <div class="answer-content">{{ row.answer || '-' }}</div>
-          </template>
-        </el-table-column>
-        <el-table-column prop="question_type" label="类型" width="120">
-          <template #default="{ row }">
-            <el-tag size="small" :type="getTypeColor(row.question_type)" effect="dark">
-              {{ getTypeName(row.question_type) }}
-            </el-tag>
-          </template>
-        </el-table-column>
-        <el-table-column prop="source" label="来源" width="120" />
-        <el-table-column label="操作" width="100" fixed="right">
-          <template #default="{ row }">
-            <el-popconfirm title="确定删除此问题？" @confirm="handleDelete(row)">
-              <template #reference>
-                <el-button type="danger" size="small" text>删除</el-button>
-              </template>
-            </el-popconfirm>
-          </template>
-        </el-table-column>
-      </el-table>
+    <!-- Question Container -->
+    <div class="question-container" v-loading="loading && isInitialLoad">
+      <!-- Empty State -->
+      <div v-if="!loading && !isInitialLoad && filteredQuestions.length === 0" class="empty-state">
+        <div class="empty-illustration">
+          <div class="orbit orbit-1"></div>
+          <div class="orbit orbit-2"></div>
+          <div class="orbit orbit-3"></div>
+          <div class="empty-core">
+            <el-icon size="40"><ChatDotSquare /></el-icon>
+          </div>
+        </div>
+        <h3 class="empty-title">暂无问答数据</h3>
+        <p class="empty-desc">生成您的第一个问答数据集</p>
+        <el-button type="primary" @click="showGenerateDialog = true" class="empty-btn">生成问题</el-button>
+      </div>
+
+      <!-- Question Table -->
+      <div v-else class="question-table-wrapper">
+        <!-- Table Header -->
+        <div class="table-header">
+          <div class="table-select">
+            <el-checkbox
+              :model-value="isAllSelected"
+              @change="toggleSelectAll"
+              class="select-all"
+            >
+              <span v-if="selectedCount > 0" class="selected-text">已选择 {{ selectedCount }} 项</span>
+              <span v-else>全选</span>
+            </el-checkbox>
+          </div>
+          <div class="table-actions" v-if="selectedCount > 0">
+            <el-button type="danger" size="small" plain @click="clearSelection" class="batch-clear-btn">
+              <el-icon><Close /></el-icon>
+              <span>清除选择</span>
+            </el-button>
+            <el-button type="danger" size="small" plain @click="batchDelete" class="batch-delete-btn">
+              <el-icon><Delete /></el-icon>
+              <span>批量删除</span>
+            </el-button>
+          </div>
+        </div>
+
+        <!-- Table Body -->
+        <div class="question-table">
+          <div
+            v-for="(question, index) in filteredQuestions"
+            :key="question.id"
+            class="question-row"
+            :class="{
+              'is-selected': isSelected(question.id),
+              'row-animated': isInitialLoad
+            }"
+            :style="{ '--delay': index * 0.04 + 's' }"
+            @click="toggleSelect(question.id)"
+          >
+            <!-- Select Checkbox -->
+            <div class="col-select" @click.stop>
+              <el-checkbox
+                :model-value="isSelected(question.id)"
+                @change="toggleSelect(question.id)"
+              />
+            </div>
+
+            <!-- Question Content -->
+            <div class="col-content">
+              <div class="question-text">{{ question.content }}</div>
+              <div class="answer-text" v-if="question.answer">答: {{ question.answer }}</div>
+            </div>
+
+            <!-- Type -->
+            <div class="col-type">
+              <el-tag size="small" :style="{ '--tag-color': getTypeColor(question.question_type) }" effect="dark">
+                {{ getTypeName(question.question_type) }}
+              </el-tag>
+            </div>
+
+            <!-- Source -->
+            <div class="col-source">
+              <span class="source-badge" :class="'source-' + question.source">{{ getSourceName(question.source) }}</span>
+            </div>
+
+            <!-- Actions -->
+            <div class="col-actions" @click.stop>
+              <el-popconfirm title="确定删除此问题？" @confirm="handleDelete(question)">
+                <template #reference>
+                  <el-button text size="small" class="action-btn delete">
+                    <el-icon><Delete /></el-icon>
+                  </el-button>
+                </template>
+              </el-popconfirm>
+            </div>
+          </div>
+        </div>
+      </div>
     </div>
 
     <!-- Generate Dialog -->
@@ -126,10 +229,12 @@ const route = useRoute()
 const projectId = computed(() => route.params.id)
 
 const loading = ref(false)
+const isInitialLoad = ref(true)
 const generating = ref(false)
 const questions = ref([])
 const chunks = ref([])
 const showGenerateDialog = ref(false)
+const filterStatus = ref('')
 
 const generateConfig = reactive({
   chunk_ids: [],
@@ -137,19 +242,72 @@ const generateConfig = reactive({
   question_types: ['fact', 'summary']
 })
 
+// Multi-select
+const selectedQuestions = ref([])
+
+const filteredQuestions = computed(() => {
+  if (!filterStatus.value) return questions.value
+  return questions.value.filter(q => q.source === filterStatus.value)
+})
+
 const generatedCount = computed(() => questions.value.filter(q => q.source === 'generated').length)
 const manualCount = computed(() => questions.value.filter(q => q.source === 'manual').length)
+const failedCount = computed(() => questions.value.filter(q => q.status === 'failed').length)
+
+const isAllSelected = computed(() => filteredQuestions.value.length > 0 && selectedQuestions.value.length === filteredQuestions.value.length)
+const selectedCount = computed(() => selectedQuestions.value.length)
+
+const toggleSelectAll = () => {
+  if (isAllSelected.value) {
+    selectedQuestions.value = []
+  } else {
+    selectedQuestions.value = filteredQuestions.value.map(q => q.id)
+  }
+}
+
+const toggleSelect = (id) => {
+  const index = selectedQuestions.value.indexOf(id)
+  if (index === -1) {
+    selectedQuestions.value.push(id)
+  } else {
+    selectedQuestions.value.splice(index, 1)
+  }
+}
+
+const isSelected = (id) => selectedQuestions.value.includes(id)
+
+const clearSelection = () => {
+  selectedQuestions.value = []
+}
+
+const batchDelete = async () => {
+  if (selectedQuestions.value.length === 0) return
+  try {
+    for (const id of selectedQuestions.value) {
+      await questionApi.delete(projectId.value, id)
+    }
+    ElMessage.success(`已删除 ${selectedQuestions.value.length} 个问题`)
+    selectedQuestions.value = []
+    fetchQuestions()
+  } catch (error) {
+    ElMessage.error('删除失败')
+  }
+}
 
 const fetchQuestions = async () => {
+  const wasInitial = isInitialLoad.value
   loading.value = true
   try {
     const res = await chunkApi.list(projectId.value, {})
-    chunks.value = res.data.chunks || []
+    chunks.value = res.data?.chunks || res.chunks || []
     questions.value = chunks.value.flatMap(c => (c.questions || []).map(q => ({ ...q, source: c.name })))
   } catch (error) {
     questions.value = []
   } finally {
     loading.value = false
+    if (wasInitial) {
+      isInitialLoad.value = false
+    }
   }
 }
 
@@ -182,8 +340,8 @@ const handleDelete = async (question) => {
 }
 
 const getTypeColor = (type) => {
-  const map = { 'fact': 'success', 'summary': 'primary', 'reasoning': 'warning' }
-  return map[type] || 'info'
+  const map = { 'fact': '#22c55e', 'summary': '#818cf8', 'reasoning': '#f59e0b' }
+  return map[type] || '#818cf8'
 }
 
 const getTypeName = (type) => {
@@ -191,111 +349,522 @@ const getTypeName = (type) => {
   return map[type] || type
 }
 
+const getSourceName = (source) => {
+  const map = { 'generated': 'AI生成', 'manual': '手动', 'failed': '失败' }
+  return map[source] || source
+}
+
 onMounted(() => fetchQuestions())
 </script>
 
 <style scoped>
+/* ========================
+   CSS Variables
+   ======================== */
 .question-manage {
-  padding: 32px;
-  max-width: 1200px;
+  --accent-cyan: #00d4ff;
+  --accent-cyan-dim: rgba(0, 212, 255, 0.15);
+  --accent-cyan-glow: rgba(0, 212, 255, 0.4);
+  --bg-elevated: #0f1117;
+  --bg-card: #161920;
+  --bg-hover: #1c2029;
+  --border-subtle: rgba(255, 255, 255, 0.08);
+  --border-active: rgba(0, 212, 255, 0.3);
+  --text-secondary: #9ca3af;
+  --text-muted: #6b7280;
+  --success: #22c55e;
+  --warning: #f59e0b;
+  --danger: #ef4444;
+  --radius-lg: 12px;
+  --radius-md: 8px;
+  --radius-sm: 6px;
+  padding: 28px 32px;
 }
 
-/* Header */
+/* ========================
+   Header
+   ======================== */
 .page-header {
   display: flex;
   justify-content: space-between;
-  align-items: center;
+  align-items: flex-start;
   margin-bottom: 28px;
 }
 
-.header-left h2 {
-  font-size: 24px;
-  font-weight: 600;
-  margin-bottom: 4px;
+.header-left {
+  position: relative;
 }
 
-.header-desc {
+.page-title {
+  font-size: 28px;
+  font-weight: 700;
+  margin: 0;
+  background: linear-gradient(135deg, #ffffff 0%, var(--accent-cyan) 100%);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  background-clip: text;
+  letter-spacing: -0.5px;
+}
+
+.page-subtitle {
   font-size: 14px;
-  color: var(--text-tertiary);
+  color: var(--text-muted);
+  margin: 6px 0 0;
+}
+
+.header-actions {
+  display: flex;
+  gap: 12px;
 }
 
 .generate-btn {
-  padding: 10px 20px;
-  font-weight: 500;
+  background: var(--accent-cyan) !important;
+  border: none !important;
+  color: #030407 !important;
+  font-weight: 600;
+  padding: 10px 22px;
   border-radius: var(--radius-md);
+  box-shadow: 0 0 20px var(--accent-cyan-dim);
+  transition: all 0.2s ease;
 }
 
-/* Stats Grid */
+.generate-btn:hover {
+  box-shadow: 0 0 35px var(--accent-cyan-glow);
+  transform: translateY(-1px);
+}
+
+/* ========================
+   Stats Grid
+   ======================== */
 .stats-grid {
   display: grid;
-  grid-template-columns: repeat(3, 1fr);
+  grid-template-columns: repeat(4, 1fr);
   gap: 16px;
   margin-bottom: 24px;
 }
 
 .stat-card {
+  position: relative;
+  background: var(--bg-card);
+  border: 1px solid var(--border-subtle);
+  border-radius: var(--radius-lg);
+  overflow: hidden;
+  transition: all 0.25s ease;
+}
+
+.stat-card::before {
+  content: '';
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  height: 3px;
+  opacity: 0;
+  transition: opacity 0.25s ease;
+}
+
+.stat-card:hover {
+  transform: translateY(-2px);
+  border-color: var(--border-active);
+  cursor: pointer;
+}
+
+.stat-card:hover::before {
+  opacity: 1;
+}
+
+.stat-card.active {
+  border-color: var(--accent-cyan);
+  box-shadow: 0 0 20px var(--accent-cyan-dim);
+}
+
+.stat-card.active::before {
+  opacity: 1;
+}
+
+.stat-card.active .stat-glow {
+  opacity: 0.5;
+}
+
+.stat-glow {
+  position: absolute;
+  top: -50%;
+  left: -50%;
+  width: 200%;
+  height: 200%;
+  opacity: 0;
+  transition: opacity 0.3s ease;
+  pointer-events: none;
+}
+
+.stat-card:hover .stat-glow {
+  opacity: 0.5;
+}
+
+/* Stat variations */
+.stat-total {
+  --stat-color: #818cf8;
+}
+
+.stat-total::before {
+  background: linear-gradient(90deg, #6366f1, #818cf8);
+}
+
+.stat-total .stat-glow {
+  background: radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.3), transparent 50%);
+}
+
+.stat-completed {
+  --stat-color: var(--success);
+}
+
+.stat-completed::before {
+  background: linear-gradient(90deg, #16a34a, var(--success));
+}
+
+.stat-completed .stat-glow {
+  background: radial-gradient(circle at 30% 30%, rgba(34, 197, 94, 0.3), transparent 50%);
+}
+
+.stat-processing {
+  --stat-color: var(--warning);
+}
+
+.stat-processing::before {
+  background: linear-gradient(90deg, #d97706, var(--warning));
+}
+
+.stat-processing .stat-glow {
+  background: radial-gradient(circle at 30% 30%, rgba(245, 158, 11, 0.3), transparent 50%);
+}
+
+.stat-failed {
+  --stat-color: var(--danger);
+}
+
+.stat-failed::before {
+  background: linear-gradient(90deg, #dc2626, var(--danger));
+}
+
+.stat-failed .stat-glow {
+  background: radial-gradient(circle at 30% 30%, rgba(239, 68, 68, 0.3), transparent 50%);
+}
+
+.stat-inner {
+  position: relative;
   display: flex;
   align-items: center;
   gap: 16px;
-  padding: 20px;
-  background: var(--bg-secondary);
-  border: 1px solid var(--border-subtle);
-  border-radius: var(--radius-lg);
+  padding: 20px 22px;
+  z-index: 1;
 }
 
-.stat-icon {
+.stat-icon-wrap {
   width: 48px;
   height: 48px;
   display: flex;
   align-items: center;
   justify-content: center;
+  background: rgba(255, 255, 255, 0.05);
   border-radius: var(--radius-md);
-  font-size: 22px;
+  color: var(--stat-color);
 }
 
-.stat-icon.violet { background: rgba(124, 58, 237, 0.15); color: var(--accent-secondary); }
-.stat-icon.cyan { background: var(--accent-primary-muted); color: var(--accent-primary); }
-.stat-icon.orange { background: rgba(251, 191, 36, 0.15); color: var(--warning); }
-
 .stat-info {
   display: flex;
   flex-direction: column;
 }
 
 .stat-value {
-  font-size: 24px;
+  font-size: 28px;
   font-weight: 700;
+  color: #ffffff;
+  font-family: 'SF Mono', 'JetBrains Mono', monospace;
+  line-height: 1.1;
 }
 
 .stat-label {
   font-size: 13px;
-  color: var(--text-tertiary);
+  color: var(--text-muted);
+  margin-top: 2px;
 }
 
-/* Table Card */
-.table-card {
-  background: var(--bg-secondary);
+/* ========================
+   Question Container
+   ======================== */
+.question-container {
+  background: var(--bg-card);
   border: 1px solid var(--border-subtle);
   border-radius: var(--radius-lg);
   overflow: hidden;
+  overflow-x: auto;
 }
 
-.question-content {
+/* ========================
+   Empty State
+   ======================== */
+.empty-state {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: 80px 40px;
+  min-height: 450px;
+}
+
+.empty-illustration {
+  position: relative;
+  width: 140px;
+  height: 140px;
+  margin-bottom: 28px;
+}
+
+.orbit {
+  position: absolute;
+  border-radius: 50%;
+  border: 1px dashed rgba(0, 212, 255, 0.2);
+}
+
+.orbit-1 {
+  inset: 10px;
+  animation: orbit-rotate 20s linear infinite;
+}
+
+.orbit-2 {
+  inset: 30px;
+  border-color: rgba(0, 212, 255, 0.15);
+  animation: orbit-rotate 15s linear infinite reverse;
+}
+
+.orbit-3 {
+  inset: 50px;
+  border-color: rgba(0, 212, 255, 0.1);
+  animation: orbit-rotate 10s linear infinite;
+}
+
+@keyframes orbit-rotate {
+  from { transform: rotate(0deg); }
+  to { transform: rotate(360deg); }
+}
+
+.empty-core {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  width: 70px;
+  height: 70px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: linear-gradient(135deg, var(--bg-hover) 0%, var(--bg-card) 100%);
+  border: 1px solid var(--border-subtle);
+  border-radius: 50%;
+  color: var(--accent-cyan);
+  box-shadow: 0 0 40px var(--accent-cyan-dim);
+}
+
+.empty-title {
+  font-size: 22px;
+  font-weight: 600;
+  color: #ffffff;
+  margin: 0 0 8px;
+}
+
+.empty-desc {
   font-size: 14px;
-  color: var(--text-primary);
-  line-height: 1.5;
+  color: var(--text-muted);
+  margin: 0 0 20px;
+  text-align: center;
 }
 
-.answer-content {
-  font-size: 13px;
-  color: var(--text-tertiary);
-  line-height: 1.5;
-  max-height: 60px;
+.empty-btn {
+  background: var(--accent-cyan) !important;
+  border: none !important;
+  color: #030407 !important;
+  font-weight: 600;
+}
+
+/* ========================
+   Question Table
+   ======================== */
+.question-table-wrapper {
+  display: flex;
+  flex-direction: column;
+  min-width: 800px;
+}
+
+.table-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 14px 20px;
+  background: var(--bg-elevated);
+  border-bottom: 1px solid var(--border-subtle);
+}
+
+.table-select .select-all {
+  --el-checkbox-text-color: var(--text-secondary);
+}
+
+.selected-text {
+  color: var(--accent-cyan);
+  font-weight: 500;
+}
+
+.batch-delete-btn {
+  background: transparent !important;
+  border-color: var(--danger) !important;
+  color: var(--danger) !important;
+}
+
+.batch-delete-btn:hover {
+  background: var(--danger) !important;
+  color: white !important;
+}
+
+.batch-clear-btn {
+  background: transparent !important;
+  border-color: var(--text-muted) !important;
+  color: var(--text-secondary) !important;
+}
+
+.batch-clear-btn:hover {
+  background: var(--bg-hover) !important;
+  border-color: var(--text-secondary) !important;
+  color: #ffffff !important;
+}
+
+.question-table {
+  display: flex;
+  flex-direction: column;
+}
+
+.question-row {
+  display: grid;
+  grid-template-columns: 40px 1fr 90px 80px 60px;
+  align-items: center;
+  gap: 16px;
+  padding: 14px 20px;
+  border-bottom: 1px solid var(--border-subtle);
+  transition: background 0.15s ease;
+  cursor: pointer;
+}
+
+.question-row.row-animated {
+  animation: row-in 0.3s ease backwards;
+  animation-delay: var(--delay);
+}
+
+@keyframes row-in {
+  from {
+    opacity: 0;
+    transform: translateX(-10px);
+  }
+}
+
+.question-row:hover {
+  background: var(--bg-hover);
+}
+
+.question-row.is-selected {
+  background: rgba(0, 212, 255, 0.05);
+}
+
+/* Column styles */
+.col-select {
+  display: flex;
+  justify-content: center;
+}
+
+.col-content {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+  min-width: 0;
+}
+
+.question-text {
+  font-size: 14px;
+  font-weight: 500;
+  color: #ffffff;
+  white-space: nowrap;
   overflow: hidden;
   text-overflow: ellipsis;
 }
 
-/* Form */
+.answer-text {
+  font-size: 13px;
+  color: var(--text-muted);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.col-type {
+  min-width: 80px;
+}
+
+.col-type .el-tag {
+  background: color-mix(in srgb, var(--tag-color) 15%, transparent) !important;
+  border-color: transparent !important;
+  color: var(--tag-color) !important;
+}
+
+.col-source {
+  min-width: 70px;
+}
+
+.source-badge {
+  font-size: 12px;
+  padding: 4px 10px;
+  border-radius: 12px;
+  background: rgba(255, 255, 255, 0.05);
+  color: var(--text-secondary);
+}
+
+.source-badge.source-generated {
+  background: rgba(34, 197, 94, 0.1);
+  color: var(--success);
+}
+
+.source-badge.source-manual {
+  background: rgba(0, 212, 255, 0.1);
+  color: var(--accent-cyan);
+}
+
+.source-badge.source-failed {
+  background: rgba(239, 68, 68, 0.1);
+  color: var(--danger);
+}
+
+/* Actions */
+.col-actions {
+  display: flex;
+  justify-content: flex-end;
+  gap: 4px;
+  min-width: 60px;
+}
+
+.action-btn {
+  color: var(--text-muted) !important;
+  transition: all 0.15s ease;
+}
+
+.action-btn.delete:hover {
+  color: var(--danger) !important;
+  background: rgba(239, 68, 68, 0.1) !important;
+}
+
+/* ========================
+   Dialog
+   ======================== */
+.generate-dialog {
+  --el-dialog-bg-color: var(--bg-elevated);
+  --el-dialog-border-radius: var(--radius-xl);
+  border: 1px solid var(--border-subtle);
+}
+
 .form-row {
   display: grid;
   grid-template-columns: 1fr 1fr;
@@ -307,14 +876,43 @@ onMounted(() => fetchQuestions())
   color: var(--text-secondary);
 }
 
-/* Responsive */
-@media (max-width: 768px) {
-  .stats-grid {
-    grid-template-columns: 1fr;
+/* ========================
+   Responsive
+   ======================== */
+@media (max-width: 900px) {
+  .question-manage {
+    padding: 20px;
   }
 
-  .form-row {
-    grid-template-columns: 1fr;
+  .stats-grid {
+    grid-template-columns: repeat(2, 1fr);
+  }
+
+  .page-header {
+    flex-direction: column;
+    gap: 16px;
+  }
+
+  .header-actions {
+    width: 100%;
+  }
+
+  .header-actions .el-button {
+    flex: 1;
+  }
+
+  .question-row {
+    grid-template-columns: 40px 1fr 60px;
+    gap: 8px;
+  }
+
+  .col-type,
+  .col-source {
+    display: none;
+  }
+
+  .col-actions {
+    min-width: 50px;
   }
 }
 </style>