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/Program.cs

@@ -85,6 +85,9 @@ var operationsOptions = builder.Configuration
 var observabilityOptions = builder.Configuration
     .GetSection(ObservabilityOptions.SectionName)
     .Get<ObservabilityOptions>() ?? new ObservabilityOptions();
+var performanceReportingOptions = builder.Configuration
+    .GetSection(PerformanceReportingOptions.SectionName)
+    .Get<PerformanceReportingOptions>() ?? new PerformanceReportingOptions();
 var rabbitMqOptions = builder.Configuration
     .GetSection(RabbitMqOptions.SectionName)
     .Get<RabbitMqOptions>() ?? new RabbitMqOptions();
@@ -126,6 +129,28 @@ if (string.IsNullOrWhiteSpace(observabilityOptions.ServiceName) ||
         "Observability 服务名、慢查询阈值或 SQL 文本长度超出允许范围。");
 }
 
+if (performanceReportingOptions.CacheSeconds is < 5 or > 300 ||
+    performanceReportingOptions.TimeoutSeconds is < 1 or > 60 ||
+    performanceReportingOptions.BearerToken.Length > 8000 ||
+    !PerformanceReportingOptions.IsMetricOrLabelName(
+        performanceReportingOptions.ServiceLabel) ||
+    !PerformanceReportingOptions.IsMetricOrLabelName(
+        performanceReportingOptions.RequestDurationMetric) ||
+    !PerformanceReportingOptions.IsMetricOrLabelName(
+        performanceReportingOptions.DatabaseDurationMetric) ||
+    !PerformanceReportingOptions.IsMetricOrLabelName(
+        performanceReportingOptions.SlowDatabaseMetric) ||
+    !PerformanceReportingOptions.IsMetricOrLabelName(
+        performanceReportingOptions.FailedDatabaseMetric) ||
+    (performanceReportingOptions.Enabled &&
+     !IsHttpUrl(performanceReportingOptions.PrometheusBaseUrl)) ||
+    (!string.IsNullOrWhiteSpace(performanceReportingOptions.GrafanaBaseUrl) &&
+     !IsHttpUrl(performanceReportingOptions.GrafanaBaseUrl)))
+{
+    throw new InvalidOperationException(
+        "PerformanceReporting 数据源、超时、缓存或指标名称配置无效。");
+}
+
 var otlpEndpoint = builder.Configuration["OTEL_EXPORTER_OTLP_ENDPOINT"];
 if (!string.IsNullOrWhiteSpace(otlpEndpoint) &&
     (!Uri.TryCreate(otlpEndpoint, UriKind.Absolute, out var parsedOtlpEndpoint) ||
@@ -219,8 +244,15 @@ builder.Services.AddSingleton(officialDocumentOptions);
 builder.Services.AddSingleton(backgroundJobOptions);
 builder.Services.AddSingleton(operationsOptions);
 builder.Services.AddSingleton(observabilityOptions);
+builder.Services.AddSingleton(performanceReportingOptions);
 builder.Services.AddSingleton(rabbitMqOptions);
 builder.Services.AddSingleton<DatabaseCommandTelemetryInterceptor>();
+builder.Services.AddMemoryCache();
+builder.Services.AddHttpClient<PerformanceReportService>((services, client) =>
+{
+    var reporting = services.GetRequiredService<PerformanceReportingOptions>();
+    client.Timeout = TimeSpan.FromSeconds(reporting.TimeoutSeconds);
+});
 builder.Services.Configure<OfficialDocumentOptions>(
     builder.Configuration.GetSection(OfficialDocumentOptions.SectionName));
 builder.Services.AddDbContextPool<AppDbContext>((services, options) =>
@@ -668,4 +700,8 @@ static async Task<IResult> CheckMessagingHealthAsync(
     }
 }
 
+static bool IsHttpUrl(string value) =>
+    Uri.TryCreate(value, UriKind.Absolute, out var uri) &&
+    uri.Scheme is "http" or "https";
+
 public partial class Program;