feat: 题库管理功能完善

- QuestionBankView: 添加删除按钮、卡片点击跳转详情页
- QuestionBankDetailView: 新建题库详情页(题目CRUD/AI生成/审核)
- questionBankService: 添加generateQuestions方法
- index.tsx: 添加详情页路由

web/index.tsx

@@ -19,6 +19,7 @@ const NotebooksPage = lazy(() => import('./src/pages/workspace/NotebooksPage'));
 const MemosPage = lazy(() => import('./src/pages/workspace/MemosPage'));
 const SettingsPage = lazy(() => import('./src/pages/workspace/SettingsPage'));
 const QuestionBankView = lazy(() => import('./components/views/QuestionBankView'));
+const QuestionBankDetailView = lazy(() => import('./components/views/QuestionBankDetailView'));
 const AssessmentStatsView = lazy(() => import('./components/views/AssessmentStatsView'));
 
 const PageLoader = () => (
@@ -90,6 +91,7 @@ function App() {
                     <Route path="assessment" element={<AssessmentPage />} />
                     <Route path="assessment-stats" element={<AssessmentStatsView />} />
                     <Route path="question-banks" element={<QuestionBankView isAdmin={true} />} />
+                    <Route path="question-banks/:id" element={<QuestionBankDetailView />} />
                     <Route path="plugins" element={<PluginsPage />} />
                     <Route path="notebook" element={<MemosPage />} />
                     <Route path="knowledge/*" element={<KnowledgePage />} />