feat: collect model performance metrics (#4635)

web/default/src/features/pricing/api.ts

@@ -10,3 +10,46 @@ export async function getPricing(): Promise<PricingData> {
   const res = await api.get('/api/pricing')
   return res.data
 }
+
+export type PerformanceSeriesPoint = {
+  ts: number
+  avg_ttft_ms: number
+  avg_latency_ms: number
+  success_rate: number
+  count: number
+  success_count: number
+  ttft_count: number
+}
+
+export type PerformanceGroup = {
+  group: string
+  avg_ttft_ms: number
+  avg_latency_ms: number
+  success_rate: number
+  request_count: number
+  success_count: number
+  ttft_count: number
+  series: PerformanceSeriesPoint[]
+}
+
+export type PerformanceMetricsData = {
+  success: boolean
+  message?: string
+  data: {
+    model_name: string
+    series_schema?: string
+    groups: PerformanceGroup[]
+  }
+}
+
+export async function getPerfMetrics(
+  modelName: string,
+  hours = 24
+): Promise<PerformanceMetricsData> {
+  const params = new URLSearchParams({
+    model: modelName,
+    hours: String(hours),
+  })
+  const res = await api.get(`/api/perf-metrics?${params.toString()}`)
+  return res.data
+}