Work on server

pkg/metrics/interfaces.go

@@ -39,6 +39,9 @@ type Provider interface {
 	// UpdateEventQueueSize updates the event queue size metric
 	UpdateEventQueueSize(size int64)
 
+	// RecordPanic records a panic event
+	RecordPanic(methodName string)
+
 	// Handler returns an HTTP handler for exposing metrics (e.g., /metrics endpoint)
 	Handler() http.Handler
 }
@@ -75,6 +78,7 @@ func (n *NoOpProvider) RecordEventPublished(source, eventType string) {}
 func (n *NoOpProvider) RecordEventProcessed(source, eventType, status string, duration time.Duration) {
 }
 func (n *NoOpProvider) UpdateEventQueueSize(size int64) {}
+func (n *NoOpProvider) RecordPanic(methodName string)   {}
 func (n *NoOpProvider) Handler() http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		w.WriteHeader(http.StatusNotFound)

pkg/metrics/prometheus.go

@@ -20,6 +20,7 @@ type PrometheusProvider struct {
 	cacheHits        *prometheus.CounterVec
 	cacheMisses      *prometheus.CounterVec
 	cacheSize        *prometheus.GaugeVec
+	panicsTotal      *prometheus.CounterVec
 }
 
 // NewPrometheusProvider creates a new Prometheus metrics provider
@@ -83,6 +84,13 @@ func NewPrometheusProvider() *PrometheusProvider {
 			},
 			[]string{"provider"},
 		),
+		panicsTotal: promauto.NewCounterVec(
+			prometheus.CounterOpts{
+				Name: "panics_total",
+				Help: "Total number of panics",
+			},
+			[]string{"method"},
+		),
 	}
 }
 
@@ -145,6 +153,11 @@ func (p *PrometheusProvider) UpdateCacheSize(provider string, size int64) {
 	p.cacheSize.WithLabelValues(provider).Set(float64(size))
 }
 
+// RecordPanic implements the Provider interface
+func (p *PrometheusProvider) RecordPanic(methodName string) {
+	p.panicsTotal.WithLabelValues(methodName).Inc()
+}
+
 // Handler implements Provider interface
 func (p *PrometheusProvider) Handler() http.Handler {
 	return promhttp.Handler()