feat: improve admin performance analysis

frontend/src/api/admin.ts

@@ -453,6 +453,14 @@ export interface ProviderPerformanceSummary {
   avg_output_tps: number | null
   avg_first_byte_time_ms: number | null
   avg_response_time_ms: number | null
+  p90_response_time_ms?: number | null
+  p99_response_time_ms?: number | null
+  p90_first_byte_time_ms?: number | null
+  p99_first_byte_time_ms?: number | null
+  tps_sample_count?: number
+  response_time_sample_count?: number
+  first_byte_sample_count?: number
+  slow_request_count?: number
 }
 
 export interface ProviderPerformanceItem {
@@ -467,9 +475,13 @@ export interface ProviderPerformanceItem {
   avg_first_byte_time_ms: number | null
   avg_response_time_ms: number | null
   p90_response_time_ms: number | null
+  p99_response_time_ms?: number | null
   p90_first_byte_time_ms: number | null
+  p99_first_byte_time_ms?: number | null
   tps_sample_count: number
+  response_time_sample_count?: number
   first_byte_sample_count: number
+  slow_request_count?: number
 }
 
 export interface ProviderPerformanceTimelineItem {
@@ -482,6 +494,7 @@ export interface ProviderPerformanceTimelineItem {
   avg_first_byte_time_ms: number | null
   avg_response_time_ms: number | null
   success_rate: number
+  slow_request_count?: number
 }
 
 export interface ProviderPerformanceResponse {
@@ -983,6 +996,13 @@ export const adminApi = {
     tz_offset_minutes?: number
     granularity?: 'day' | 'hour'
     limit?: number
+    provider_id?: string
+    model?: string
+    api_format?: string
+    endpoint_kind?: string
+    is_stream?: boolean
+    has_format_conversion?: boolean
+    slow_threshold_ms?: number
   }): Promise<ProviderPerformanceResponse> {
     const cacheKey = buildCacheKey('admin:stats:performance:providers', params)
     return cachedRequest(

frontend/src/api/monitoring.ts

@@ -118,8 +118,21 @@ export interface GatewayMetricsSummary {
   distributed: GatewayGateMetrics
   tunnel: {
     proxyConnections: number | null
+    availableProxyConnections: number | null
+    closingProxyConnections: number | null
+    drainingProxyConnections: number | null
+    softAvoidProxyConnections: number | null
     nodes: number | null
     activeStreams: number | null
+    outboundQueueDepthTotal: number | null
+    outboundQueueDepthMax: number | null
+    outboundQueueCapacityTotal: number | null
+    outboundQueueRejectedFullTotal: number | null
+    outboundQueueRejectedClosedTotal: number | null
+    proxyConnectionCongestedTotal: number | null
+    softAvoidSelectionTotal: number | null
+    selectionRetryTotal: number | null
+    selectionUnavailableTotal: number | null
   }
   fallbackTotal: number
   fallbacks: GatewayFallbackMetricSummary[]
@@ -159,8 +172,21 @@ export function buildGatewayMetricsSummary(text: string): GatewayMetricsSummary
     distributed: buildGateMetrics(samples, 'gateway_requests_distributed'),
     tunnel: {
       proxyConnections: findMetricValueNumber(samples, 'tunnel_proxy_connections'),
+      availableProxyConnections: findMetricValueNumber(samples, 'tunnel_proxy_connections_available'),
+      closingProxyConnections: findMetricValueNumber(samples, 'tunnel_proxy_connections_closing'),
+      drainingProxyConnections: findMetricValueNumber(samples, 'tunnel_proxy_connections_draining'),
+      softAvoidProxyConnections: findMetricValueNumber(samples, 'tunnel_proxy_connections_soft_avoid'),
       nodes: findMetricValueNumber(samples, 'tunnel_nodes'),
       activeStreams: findMetricValueNumber(samples, 'tunnel_active_streams'),
+      outboundQueueDepthTotal: findMetricValueNumber(samples, 'tunnel_proxy_outbound_queue_depth_total'),
+      outboundQueueDepthMax: findMetricValueNumber(samples, 'tunnel_proxy_outbound_queue_depth_max'),
+      outboundQueueCapacityTotal: findMetricValueNumber(samples, 'tunnel_proxy_outbound_queue_capacity_total'),
+      outboundQueueRejectedFullTotal: findMetricValueNumber(samples, 'tunnel_proxy_outbound_queue_rejected_full_total'),
+      outboundQueueRejectedClosedTotal: findMetricValueNumber(samples, 'tunnel_proxy_outbound_queue_rejected_closed_total'),
+      proxyConnectionCongestedTotal: findMetricValueNumber(samples, 'tunnel_proxy_connection_congested_total'),
+      softAvoidSelectionTotal: findMetricValueNumber(samples, 'tunnel_proxy_soft_avoid_selection_total'),
+      selectionRetryTotal: findMetricValueNumber(samples, 'tunnel_proxy_selection_retry_total'),
+      selectionUnavailableTotal: findMetricValueNumber(samples, 'tunnel_proxy_selection_unavailable_total'),
     },
     fallbackTotal: fallbacks.reduce((total, item) => total + item.total, 0),
     fallbacks,