feat: 错误透传规则支持 skip_monitoring 跳过运维监控记录

在每条错误透传规则上新增 skip_monitoring 选项，开启后匹配该规则的错误
不会被记录到 ops_error_logs，减少监控噪音。默认关闭，不影响现有规则。

frontend/src/api/admin/errorPassthrough.ts

@@ -21,6 +21,7 @@ export interface ErrorPassthroughRule {
   response_code: number | null
   passthrough_body: boolean
   custom_message: string | null
+  skip_monitoring: boolean
   description: string | null
   created_at: string
   updated_at: string
@@ -41,6 +42,7 @@ export interface CreateRuleRequest {
   response_code?: number | null
   passthrough_body?: boolean
   custom_message?: string | null
+  skip_monitoring?: boolean
   description?: string | null
 }
 
@@ -59,6 +61,7 @@ export interface UpdateRuleRequest {
   response_code?: number | null
   passthrough_body?: boolean
   custom_message?: string | null
+  skip_monitoring?: boolean
   description?: string | null
 }