chat: автоподключение к узлам группы (вкл/выкл) + ручной connect к узлу (desktop+android); фикс reinit при QR-join

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

@@ -385,6 +385,7 @@ class ChatRepository {
     fun joinChannel(channelId: Long, nodeId: Long, pubkey: ByteArray, addrs: ByteArray, addrCount: Int) =
         NativeLib.joinChannel(channelId, nodeId, pubkey, addrs, addrCount)
     fun connectChannel(channelId: String) = NativeLib.connectChannel(channelId)
+    fun connectMemberNode(channelId: String, nodeId: Long) = NativeLib.connectMemberNode(channelId, nodeId)
     fun isReady() = NativeLib.isReady()
 
     fun getMembers(channelId: String): List<ChatMember> {

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

@@ -46,6 +46,7 @@ class ConfigProvider(private val context: Context) {
     private val chatStandbyActiveSec = intPreferencesKey("chat_standby_active_sec")
     private val chatStandbySleepSec = intPreferencesKey("chat_standby_sleep_sec")
     private val chatStandbyMinSleepSec = intPreferencesKey("chat_standby_min_sleep_sec")
+    private val chatGroupAutoconnect = intPreferencesKey("chat_group_autoconnect")
     private val firstLaunchDone = booleanPreferencesKey("first_launch_done")
     private val connectionModeKey = stringPreferencesKey("connection_mode")
     private val serviceEnabledKey = booleanPreferencesKey("service_enabled")
@@ -127,6 +128,7 @@ class ConfigProvider(private val context: Context) {
             key == "chat.standby_active_sec" -> context.dataStore.data.first()[chatStandbyActiveSec] ?: 2
             key == "chat.standby_sleep_sec" -> context.dataStore.data.first()[chatStandbySleepSec] ?: 60
             key == "chat.standby_min_sleep_sec" -> context.dataStore.data.first()[chatStandbyMinSleepSec] ?: 15
+            key == "chat.group_autoconnect" -> context.dataStore.data.first()[chatGroupAutoconnect] ?: 1
             else -> 0
         }
     }
@@ -157,6 +159,7 @@ class ConfigProvider(private val context: Context) {
                 "chat.standby_active_sec" -> prefs[chatStandbyActiveSec] = value.toIntOrNull() ?: 2
                 "chat.standby_sleep_sec" -> prefs[chatStandbySleepSec] = value.toIntOrNull() ?: 60
                 "chat.standby_min_sleep_sec" -> prefs[chatStandbyMinSleepSec] = value.toIntOrNull() ?: 15
+                "chat.group_autoconnect" -> prefs[chatGroupAutoconnect] = value.toIntOrNull() ?: 1
             }
         }
     }
@@ -387,6 +390,7 @@ class ConfigProvider(private val context: Context) {
             appendLine("standby_active_sec=${getInt("chat.standby_active_sec")}")
             appendLine("standby_sleep_sec=${getInt("chat.standby_sleep_sec")}")
             appendLine("standby_min_sleep_sec=${getInt("chat.standby_min_sleep_sec")}")
+            appendLine("group_autoconnect=${getInt("chat.group_autoconnect")}")
             appendLine()
             appendLine("[debug]")
             appendLine("console_level=info")

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

@@ -75,6 +75,7 @@ object NativeLib {
     }
     fun deriveNodeId(pubkey: ByteArray): Long = nativeDeriveNodeId(pubkey)
     fun connectChannel(channelId: String) { nativeConnectChannel(channelId) }
+    fun connectMemberNode(channelId: String, nodeId: Long) { nativeConnectMemberNode(channelId, nodeId) }
     fun getChannels(): String = nativeGetChannels() ?: "[]"
     fun getMessages(channelId: String, limit: Int = 50): String = nativeGetMessages(channelId, limit) ?: "[]"
     fun clearDatabase(): Boolean = nativeClearDatabase()
@@ -148,6 +149,7 @@ object NativeLib {
     private external fun nativeJoinChannel(channelId: Long, nodeId: Long, pubkey: ByteArray, addrs: ByteArray, addrCount: Int)
     private external fun nativeDeriveNodeId(pubkey: ByteArray): Long
     private external fun nativeConnectChannel(channelId: String)
+    private external fun nativeConnectMemberNode(channelId: String, nodeId: Long)
     private external fun nativeGetChannels(): String?
     private external fun nativeGetMessages(channelId: String, limit: Int): String?
     private external fun nativeSetDebugLevel(category: String, level: String)

tools/chatgui-android/app/src/main/java/com/utun/chat/ui/screens/MemberListScreen.kt

@@ -83,6 +83,7 @@ fun MemberListScreen(
                     member = m,
                     isSelected = selectedMember?.nodeId == m.nodeId,
                     onClick = { viewModel.showMemberDetail(channel.id, m.nodeId) },
+                    onConnect = { viewModel.connectMemberNode(channel.id, m.nodeId) },
                     onEdit = {
                         editMember = m
                         showEditDialog = true
@@ -133,6 +134,7 @@ private fun MemberListItem(
     member: ChatMember,
     isSelected: Boolean = false,
     onClick: () -> Unit,
+    onConnect: () -> Unit,
     onEdit: () -> Unit
 ) {
     val onlineColor = when {
@@ -223,6 +225,9 @@ private fun MemberListItem(
                 }
             }
 
+            if (!member.isSelf) {
+                TextButton(onClick = onConnect) { Text("Connect") }
+            }
             TextButton(onClick = onEdit) { Text("Edit") }
         }
     }

tools/chatgui-android/app/src/main/java/com/utun/chat/ui/screens/SettingsScreen.kt

@@ -118,6 +118,7 @@ private fun GeneralSettingsTab(vm: ChatViewModel, dirty: Boolean, onDirty: (Bool
     var servers by remember { mutableStateOf<List<ServerEntry>>(emptyList()) }
     var availableIfaces by remember { mutableStateOf<List<Pair<String, String>>>(emptyList()) }
     var connectionMode by remember { mutableStateOf("manual") }
+    var autoConnect by remember { mutableStateOf(true) }
 
     val localSocketStates by vm.localSockets.collectAsState()
     val serviceEnabled by provider.serviceEnabledFlow.collectAsState(initial = true)
@@ -143,6 +144,7 @@ private fun GeneralSettingsTab(vm: ChatViewModel, dirty: Boolean, onDirty: (Bool
         servers = provider.loadServersFromConfig()
         availableIfaces = provider.getAvailableInterfaces()
         connectionMode = provider.getConnectionMode()
+        autoConnect = provider.getInt("chat.group_autoconnect") != 0
     }
 
     val save = { s: List<ServerEntry> -> onDirty(true); servers = s; provider.saveServersToConfig(s) }
@@ -336,6 +338,20 @@ private fun GeneralSettingsTab(vm: ChatViewModel, dirty: Boolean, onDirty: (Bool
 
         HorizontalDivider(Modifier.padding(vertical = 8.dp))
 
+        /* ── Chat ── */
+        Text("Chat", style = MaterialTheme.typography.titleMedium)
+        Row(verticalAlignment = Alignment.CenterVertically) {
+            Text("Auto-connect to group nodes", modifier = Modifier.weight(1f))
+            Switch(checked = autoConnect, onCheckedChange = {
+                autoConnect = it
+                val s = if (it) "1" else "0"
+                scope.launch { provider.setValue("chat.group_autoconnect", s) }
+                NativeLib.setChatSetting("group_autoconnect", s)
+            })
+        }
+
+        HorizontalDivider(Modifier.padding(vertical = 8.dp))
+
         /* Debug */
         Text("Debug", style = MaterialTheme.typography.titleMedium)
         DebugLevelDropdown(label = "Global Level", current = debugLevel.uppercase(), onSelect = setDebug)

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

@@ -519,6 +519,12 @@ class ChatViewModel : ViewModel() {
         r.transferAdmin(channelId, nodeId)
     }
 
+    fun connectMemberNode(channelId: String, nodeId: Long) {
+        val r = repo ?: return
+        r.connectMemberNode(channelId, nodeId)
+        refreshMembers(channelId)
+    }
+
     fun refreshMemberLinks(nodeId: Long) {
         if (nodeId == 0L) { _memberLinks.value = MemberLinks(); return }
         val r = repo ?: return