Function createMetricsInterceptor

Returns {
    requestInterceptor: RequestInterceptorFn;
    responseInterceptor: ResponseInterceptorFn;
    errorInterceptor: ErrorInterceptorFn;
    snapshot: () => MetricsSnapshot;
    reset: () => void;
}

• requestInterceptor: RequestInterceptorFn

  Records request start time and increments request counter

• responseInterceptor: ResponseInterceptorFn

  Records response duration and updates status code buckets

• errorInterceptor: ErrorInterceptorFn

  Increments the error counter on pipeline errors

• snapshot: () => MetricsSnapshot

  Returns a snapshot of accumulated metrics

• reset: () => void

  Resets all metrics counters to zero