超级管理员现在可在“组织与权限 → 运维与审计 → 系统性能”中直接查看：

请求量、5xx 比例、HTTP/数据库 P95
请求速率与延迟趋势
最慢接口排行
慢查询与数据库查询排行
Grafana 原始调用链入口

src/Jiaowu.Api/appsettings.json

@@ -26,6 +26,19 @@
     "IncludeSqlText": false,
     "MaximumSqlTextLength": 2000
   },
+  "PerformanceReporting": {
+    "Enabled": false,
+    "PrometheusBaseUrl": "",
+    "BearerToken": "",
+    "GrafanaBaseUrl": "",
+    "CacheSeconds": 30,
+    "TimeoutSeconds": 10,
+    "ServiceLabel": "service_name",
+    "RequestDurationMetric": "http_server_request_duration_seconds",
+    "DatabaseDurationMetric": "jiaowu_db_command_duration_milliseconds",
+    "SlowDatabaseMetric": "jiaowu_db_command_slow_total",
+    "FailedDatabaseMetric": "jiaowu_db_command_failed_total"
+  },
   "Operations": {
     "BackupDirectory": "data/backups",
     "BackupWarningHours": 24,