fix: AlertCenter崩溃修复——字段名映射+notify_channels安全解析

- AlertRule接口与后端对齐(id:number/notify_channels:string)
- 告警事件数据映射(rule_name→title, message→description, target→source)
- notify_channels安全解析(JSON.parse+try-catch替代直接.map)
- labels/annotations字符串转对象安全处理
- Header tab栏移除(侧边栏导航足够)
- SQL审计API改为真实后端调用

frontend/src/services/api.ts

@@ -524,13 +524,39 @@ export const auditApi = {
 
 // ==================== SQL 审计 API（暂无后端，返回空结果优雅降级） ====================
 export const sqlAuditApi = {
-  getRecords: async () => ({ data: [], total: 0 }),
-  getRules: async () => ({ data: [], total: 0 }),
-  analyzeSQL: async (_data: { sql: string }) => ({ data: { id: 0, riskLevel: 'low', rules: [] } }),
-  approve: async (_id: string) => ({ success: true }),
-  reject: async (_id: string) => ({ success: true }),
-  execute: async (_id: string) => ({ success: true }),
-  toggleRule: async (_ruleId: string, _enabled: boolean) => ({ success: true }),
+  getRecords: async (params?: Record<string, string>) => {
+    return http.get<ListResponse>('/sql-audit/records', params);
+  },
+  getRules: async () => {
+    return http.get<ListResponse>('/sql-audit/rules');
+  },
+  analyzeSQL: async (data: { sql: string; database_name?: string; application?: string }) => {
+    return http.post('/sql-audit/analyze', data);
+  },
+  approve: async (id: string | number) => {
+    return http.post(`/sql-audit/records/${id}/approve`);
+  },
+  reject: async (id: string | number) => {
+    return http.post(`/sql-audit/records/${id}/reject`);
+  },
+  execute: async (id: string | number) => {
+    return http.post(`/sql-audit/records/${id}/execute`);
+  },
+  deleteRecord: async (id: string | number) => {
+    return http.delete(`/sql-audit/records/${id}`);
+  },
+  createRule: async (data: any) => {
+    return http.post('/sql-audit/rules', data);
+  },
+  updateRule: async (id: string | number, data: any) => {
+    return http.put(`/sql-audit/rules/${id}`, data);
+  },
+  deleteRule: async (id: string | number) => {
+    return http.delete(`/sql-audit/rules/${id}`);
+  },
+  toggleRule: async (ruleId: string | number) => {
+    return http.post(`/sql-audit/rules/${ruleId}/toggle`);
+  },
 };
 
 // ==================== Ansible 自动化 API ====================