feat: Add debug notification for broadcasting the station name.

server.R

@@ -408,6 +408,8 @@ server <- function(input, output, session) {
             start = start_date,
             end = end_date
         ))
+        # Debug notification
+        showNotification(paste("Broadcasting:", station_name), duration = 3, type = "message")
     }
 
     # --- Selection Logic via Dropdown ---