more otel

internal/websocket/server.go

@@ -38,6 +38,28 @@ type Entry struct {
 	Data json.RawMessage `json:"data"`
 }
 
+// issuesNotification is broadcast when new error telemetry has been ingested,
+// so UI clients can refresh their Issues view immediately. It deliberately
+// carries no payload - clients re-fetch GET /api/issues.
+type issuesNotification struct {
+	Type string `json:"type"` // always "issues"
+}
+
+// NotifyIssues broadcasts an issues-refresh hint to all connected clients.
+func (s *Server) NotifyIssues() {
+	msg, err := json.Marshal(issuesNotification{Type: "issues"})
+	if err != nil {
+		return
+	}
+	s.mutex.Lock()
+	defer s.mutex.Unlock()
+	for client := range s.clients {
+		if err := client.WriteMessage(websocket.TextMessage, msg); err != nil {
+			log.Printf("write error: %v", err)
+		}
+	}
+}
+
 // Broadcaster interface for sending telemetry updates to all connected clients.
 type Broadcaster interface {
 	Broadcast(data *Entry)