UI improvements for telemetry debugging

app/android/app/src/main/kotlin/com/dmc/dmc_app/MlrsNetworkPlugin.kt

@@ -71,6 +71,9 @@ class MlrsNetworkPlugin(
     private var networkCallback: ConnectivityManager.NetworkCallback? = null
     private var currentNetwork: Network? = null
 
+    /** Zuletzt an Dart gemeldete SSID der aktuellen Anfrage (siehe onCapabilitiesChanged unten) - vermeidet doppelte "ssid"-Ereignisse. */
+    private var reportedSsid: String? = null
+
     private var socket: DatagramSocket? = null
     @Volatile
     private var receiveLoopRunning = false
@@ -160,16 +163,35 @@ class MlrsNetworkPlugin(
             .setNetworkSpecifier(specifier)
             .build()
 
+        reportedSsid = null
         val callback = object : ConnectivityManager.NetworkCallback() {
             override fun onAvailable(network: Network) {
                 currentNetwork = network
                 val gateway = gatewayAddressOf(connectivityManager.getLinkProperties(network))
                 val ssid = ssidOf(connectivityManager.getNetworkCapabilities(network))
+                if (ssid != null) reportedSsid = ssid
                 eventSink?.success(
                     mapOf("type" to "available", "gatewayAddress" to gateway, "ssid" to ssid),
                 )
             }
 
+            // WifiInfo/SSID ist bei onAvailable() oft noch nicht befuellt -
+            // Android liefert `NetworkCapabilities.getTransportInfo()` fuer
+            // WifiNetworkSpecifier-Netze haeufig erst mit einem spaeteren
+            // onCapabilitiesChanged()-Aufruf (bekannter Android-Stolperstein).
+            // Deshalb hier zusaetzlich pruefen und die SSID nachreichen,
+            // sobald sie bekannt wird.
+            override fun onCapabilitiesChanged(
+                network: Network,
+                networkCapabilities: NetworkCapabilities,
+            ) {
+                if (network != currentNetwork) return
+                val ssid = ssidOf(networkCapabilities) ?: return
+                if (ssid == reportedSsid) return
+                reportedSsid = ssid
+                eventSink?.success(mapOf("type" to "ssid", "ssid" to ssid))
+            }
+
             override fun onUnavailable() {
                 currentNetwork = null
                 eventSink?.success(mapOf("type" to "unavailable"))
@@ -177,6 +199,7 @@ class MlrsNetworkPlugin(
 
             override fun onLost(network: Network) {
                 currentNetwork = null
+                reportedSsid = null
                 eventSink?.success(mapOf("type" to "lost"))
             }
         }