V0.7.0 shell contract (#54)

server/events/ws.go

@@ -173,6 +173,12 @@ func (h *Hub) IsConnected(userID string) bool {
 	return false
 }
 
+// Broadcast sends an event to all connected clients via the bus.
+// No TargetUserID — every WS subscriber receives it.
+func (h *Hub) Broadcast(event Event) {
+	h.bus.Publish(event)
+}
+
 // PublishToUser sends an event to a specific user via the bus.
 // All replicas receive the event; only the one with the user's connection delivers it.
 func (h *Hub) PublishToUser(userID string, event Event) {