fix(android): consume local socket snapshots on core events

tools/chatgui-android/app/src/main/java/com/utun/chat/data/ChatRepository.kt

@@ -123,8 +123,19 @@ data class MemberLinks(val connected: Boolean = false, val initialized: Boolean
 data class LocalSocketState(
     val sockId: Int = 0, val ifName: String = "", val bindIp: String = "",
     val port: Int = 0, val protocol: String = "", val state: Int = 0,
-    val linksUp: Int = 0, val linksDown: Int = 0
+    val linksUp: Int = 0, val linksDown: Int = 0,
+    val natMapping: Int = 0, val natInbound: Int = 0, val natSource: Int = 0,
+    val externalIp: String = "", val externalPort: Int = 0
 ) {
+    val natLabelRes: Int get() = when {
+        natSource == 0 -> R.string.socket_nat_unmeasured
+        natMapping == 1 -> R.string.socket_no_nat
+        natMapping == 2 && natInbound == 1 -> R.string.socket_eim_open
+        natMapping == 2 && natInbound == 2 -> R.string.socket_eim_filtered
+        natMapping == 2 -> R.string.address_nat_eim_unverified
+        natMapping == 3 -> R.string.address_nat_dependent
+        else -> R.string.address_nat_unknown
+    }
     val stateLabel: String get() = AppLanguage.text(when (state) {
         2 -> R.string.connection_up; 1 -> R.string.connection_connecting; else -> R.string.connection_down
     })
@@ -543,9 +554,9 @@ class ChatRepository {
         return MemberLinks()
     }
 
-    fun getLocalSockets(): List<LocalSocketState> {
+    fun parseLocalSockets(json: String): List<LocalSocketState> {
         try {
-            val arr = JSONArray(NativeLib.getLocalSockets())
+            val arr = JSONArray(json)
             val list = mutableListOf<LocalSocketState>()
             for (i in 0 until arr.length()) {
                 val obj = arr.getJSONObject(i)
@@ -559,12 +570,17 @@ class ChatRepository {
                     protocol = obj.optString("pt", ""),
                     state = obj.optInt("st", 0),
                     linksUp = obj.optInt("lu", 0),
-                    linksDown = obj.optInt("ld", 0)
+                    linksDown = obj.optInt("ld", 0),
+                    natMapping = obj.getInt("nmapping"),
+                    natInbound = obj.getInt("ninbound"),
+                    natSource = obj.getInt("nsource"),
+                    externalIp = obj.getString("external"),
+                    externalPort = obj.getInt("externalPort")
                 ))
             }
             list.sortWith(compareBy<LocalSocketState> { it.ifName }.thenBy { it.bindIp }.thenBy { it.protocol }.thenBy { it.port })
             return list
-        } catch (e: Exception) { Log.w("utun-gui", "getLocalSockets error", e) }
+        } catch (e: Exception) { Log.w("utun-gui", "local sockets snapshot parse error", e) }
         return emptyList()
     }
 

tools/chatgui-android/app/src/main/java/com/utun/chat/data/NativeLib.kt

@@ -169,7 +169,7 @@ object NativeLib {
     fun getMemberLinks(nodeId: Long): String = nativeGetMemberLinks(nodeId) ?: "{}"
 
     /* ── Local sockets (for auto-mode display) ── */
-    fun getLocalSockets(): String = nativeGetLocalSockets() ?: "[]"
+    fun requestLocalSockets() = nativeRequestLocalSockets()
 
     /* ── Voice recording ── */
     fun voiceStart(channelId: String, replyTo: String = "", requestId: Long = 0): Boolean =
@@ -364,7 +364,7 @@ object NativeLib {
     private external fun nativeGetMemberLinks(nodeId: Long): String?
 
     /* ── Local sockets JNI ── */
-    private external fun nativeGetLocalSockets(): String?
+    private external fun nativeRequestLocalSockets()
 
     /* ── Voice recording JNI ── */
     private external fun nativeVoiceStart(channelId: String, replyTo: ByteArray, requestId: Long): Boolean

tools/chatgui-android/app/src/main/java/com/utun/chat/viewmodel/ChatViewModel.kt

@@ -675,7 +675,10 @@ class ChatViewModel : ViewModel() {
                     LogManager.addLog("ERROR", "stream", "source snapshot parse group=$group: ${e.message}")
                 }
             }
-            19 -> { if (repo != null) refreshLocalSockets() }  /* LOCAL_SOCKETS */
+            19 -> { /* LOCAL_SOCKETS: снимок создан в потоке ядра; пустое событие просит обновить его. */
+                if (data == null || data.isEmpty()) refreshLocalSockets()
+                else repo?.let { _localSockets.value = it.parseLocalSockets(String(data, Charsets.UTF_8)) }
+            }
             23 -> { /* MEMBER_LIST: live-снимок дополняет расширенный JSON-список. */
                 if (data == null || data.size < 3) {
                     LogManager.addLog("ERROR", "VM", "MEMBER_LIST: missing header"); return
@@ -1487,10 +1490,7 @@ class ChatViewModel : ViewModel() {
     }
 
     fun refreshLocalSockets() {
-        val r = repo ?: return
-        viewModelScope.launch {
-            _localSockets.value = withContext(Dispatchers.IO) { r.getLocalSockets() }
-        }
+        if (repo != null) NativeLib.requestLocalSockets()
     }
 
     fun sendMessage(text: String) {