feat: P0前端页面完善 — InstanceDetail/RedisDetail/TicketCreate/TicketDetail

- InstanceDetailPage: 概览/表管理/SQL查询/用户权限/慢查询/进程列表 6个Tab
- RedisDetailPage: 键管理/监控信息/命令行/性能分析 4个Tab + 新增键弹框
- TicketCreatePage: 工单创建向导(选择实例/填写SQL/审核规则检查)
- TicketDetailPage: 工单详情+审批/拒绝/执行/回滚操作
- App.tsx 路由注册: instances/:id, redis/:id, tickets/create, tickets/:id
- API方法名对齐: listDatabases/listTables/listUsers
- 前端构建零错误, 后端202测试通过

frontend/src/api/ticket.ts

@@ -1,11 +1,34 @@
 import request from './request';
 
-export const ticketApi = {
-  list: (params?: any) => request.get<any, any>('/tickets', { params }),
-  get: (id: number) => request.get<any, any>(`/tickets/${id}`),
-  create: (data: any) => request.post<any, any>('/tickets', data),
-  review: (id: number, data: { action: 'approve' | 'reject'; comment: string }) =>
-    request.post<any, any>(`/tickets/${id}/review`, data),
-  execute: (id: number) => request.post<any, any>(`/tickets/${id}/execute`),
-  statistics: () => request.get('/tickets/statistics'),
+export var ticketApi = {
+  list: function (params?: any) {
+    return request.get('/tickets', { params: params });
+  },
+  get: function (id: number) {
+    return request.get('/tickets/' + id);
+  },
+  create: function (data: any) {
+    return request.post('/tickets', data);
+  },
+  review: function (id: number, data: { action: 'approve' | 'reject'; comment: string }) {
+    return request.post('/tickets/' + id + '/review', data);
+  },
+  execute: function (id: number) {
+    return request.post('/tickets/' + id + '/execute');
+  },
+  statistics: function () {
+    return request.get('/tickets/statistics');
+  },
+  timeline: function (id: number) {
+    return request.get('/tickets/' + id + '/timeline');
+  },
+  cancel: function (id: number) {
+    return request.post('/tickets/' + id + '/cancel');
+  },
+  rollback: function (id: number) {
+    return request.post('/tickets/' + id + '/rollback');
+  },
+  audit: function (data: { sql_content: string; instance_id: number; database: string }) {
+    return request.post('/tickets/audit', data);
+  },
 };