feat: sync deployed v1.0.0-rc.38-custom.67

pkg/perf_metrics/metrics.go

@@ -29,8 +29,9 @@ func Init() {
 
 // RecordRelayResult samples one finished relay exactly once, at the request
 // boundary, regardless of how many channel attempts it took.
+// Non-streaming requests do not provide evidence for the streaming service.
 func RecordRelayResult(ctx context.Context, info *relaycommon.RelayInfo, apiErr *types.NewAPIError) {
-	if info == nil {
+	if info == nil || !info.IsStream {
 		return
 	}
 	outcome := ClassifyRelayOutcome(ctx, info, apiErr)