feat(event-receiver): add user ip

Add the user's ip to event data, enabling detection of false positives during
geoblocking.

- add ip to each event

api/handler/handlers.go

@@ -37,8 +37,24 @@ func EventReceiver(w http.ResponseWriter, r *http.Request) {
 
 	w.Header().Set("Access-Control-Allow-Origin", "*")
 
+	ip := r.RemoteAddr
+	data := map[string]any{}
+	if err := json.Unmarshal(body, &data); err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	// Add user ip
+	data["user_ip"] = ip
+
+	broadcastData, err := json.Marshal(data)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
 	// Forward the JSON payload to connected clients
-	sse.Broadcast(string(body))
+	sse.Broadcast(string(broadcastData))
 }
 
 // EventDispatcher enables clients to listen for events via Server-Sent Events.