AeroToss: исправлен broadcast адрес + логирование

- getBroadcastAddress() вычисляет реальный broadcast адрес подсети
- Логирование: TCP подключения, UDP broadcast, найденные устройства
- Логирование broadcast ошибок для отладки

app/src/commonMain/kotlin/com/aerotoss/discovery/TcpDiscovery.kt

@@ -37,12 +37,12 @@ class TcpDiscovery(
     override fun startDiscovery(servicePort: Int) {
         if (serverThread != null) return
 
-        // TCP server
         serverThread = Thread {
             try {
                 val ss = ServerSocket(TCP_PORT, 50, InetAddress.getByName("0.0.0.0"))
                 serverSocket = ss
-                println("AeroToss: TCP=$TCP_PORT, service=$servicePort, type=$myDeviceType, name=$deviceName")
+                val myIp = findMyIp()
+                println("AeroToss: TCP server=$TCP_PORT service=$servicePort type=$myDeviceType ip=$myIp name=$deviceName")
                 while (!Thread.currentThread().isInterrupted) {
                     try {
                         val client = ss.accept()
@@ -53,17 +53,19 @@ class TcpDiscovery(
                 }
                 ss.close()
             } catch (e: Exception) {
-                if (!Thread.currentThread().isInterrupted) println("AeroToss: Server error: ${e.message}")
+                if (!Thread.currentThread().isInterrupted) println("AeroToss: TCP server error: ${e.message}")
             }
         }.apply { isDaemon = true; name = "aerotoss-tcp"; start() }
 
-        // UDP broadcast
         discoveryThread = Thread {
             try {
                 val socket = DatagramSocket(UDP_PORT, InetAddress.getByName("0.0.0.0"))
                 socket.broadcast = true
                 socket.soTimeout = 2000
                 udpSocket = socket
+
+                println("AeroToss: UDP broadcast port=$UDP_PORT")
+
                 var lastBroadcast = System.currentTimeMillis()
                 while (!Thread.currentThread().isInterrupted) {
                     val now = System.currentTimeMillis()
@@ -75,6 +77,8 @@ class TcpDiscovery(
                     try {
                         val pkt = DatagramPacket(buf, buf.size)
                         socket.receive(pkt)
+                        val from = pkt.address.hostAddress
+                        println("AeroToss: UDP received from $from")
                         onBroadcastReceived(pkt, servicePort)
                     } catch (_: java.net.SocketTimeoutException) {}
                 }
@@ -88,10 +92,13 @@ class TcpDiscovery(
     private fun handleRequest(client: Socket, servicePort: Int) {
         try {
             client.use { sock ->
+                val from = sock.inetAddress?.hostAddress ?: "unknown"
+                println("AeroToss: TCP connection from $from")
                 sock.soTimeout = 5000
                 val reader = sock.getInputStream().bufferedReader()
                 val writer = sock.getOutputStream().bufferedWriter()
                 val line = reader.readLine() ?: return
+                println("AeroToss: TCP request: $line")
                 if (line == "DISCOVER") {
                     val resp = DiscoveryResponse(
                         id = deviceId,
@@ -100,20 +107,48 @@ class TcpDiscovery(
                         port = servicePort,
                         ip = findMyIp()
                     )
-                    writer.write(json.encodeToString(resp))
+                    val jsonStr = json.encodeToString(resp)
+                    writer.write(jsonStr)
                     writer.newLine()
                     writer.flush()
+                    println("AeroToss: TCP response: $jsonStr")
                 }
             }
-        } catch (_: Exception) {}
+        } catch (e: Exception) {
+            println("AeroToss: TCP handler error: ${e.message}")
+        }
     }
 
     private fun broadcast(socket: DatagramSocket, servicePort: Int) {
         try {
             val msg = "AEROTOSS:$TCP_PORT:$servicePort:$deviceId:$deviceName"
-            val pkt = DatagramPacket(msg.toByteArray(Charsets.UTF_8), msg.length, InetAddress.getByName("255.255.255.255"), UDP_PORT)
+            val data = msg.toByteArray(Charsets.UTF_8)
+            val broadcastAddr = getBroadcastAddress()
+            println("AeroToss: Broadcasting to $broadcastAddr:$UDP_PORT")
+            val pkt = DatagramPacket(data, data.size, broadcastAddr, UDP_PORT)
             socket.send(pkt)
+        } catch (e: Exception) {
+            println("AeroToss: Broadcast error: ${e.message}")
+        }
+    }
+
+    private fun getBroadcastAddress(): InetAddress {
+        try {
+            val interfaces = NetworkInterface.getNetworkInterfaces()
+            while (interfaces.hasMoreElements()) {
+                val iface = interfaces.nextElement()
+                if (iface.isLoopback || !iface.isUp) continue
+                for (interfaceAddress in iface.interfaceAddresses) {
+                    val broadcast = interfaceAddress.broadcast
+                    if (broadcast != null && interfaceAddress.address is java.net.Inet4Address) {
+                        println("AeroToss: Found broadcast ${broadcast.hostAddress} on ${iface.name}")
+                        return broadcast
+                    }
+                }
+            }
         } catch (_: Exception) {}
+        println("AeroToss: Using default broadcast 255.255.255.255")
+        return InetAddress.getByName("255.255.255.255")
     }
 
     private fun onBroadcastReceived(pkt: DatagramPacket, myServicePort: Int) {
@@ -130,13 +165,18 @@ class TcpDiscovery(
             if (remoteServicePort == myServicePort) return
 
             val host = pkt.address.hostAddress ?: return
+            println("AeroToss: Broadcast from $host:$remoteTcpPort name=$remoteName")
             val device = queryRemote(host, remoteTcpPort)
             if (device != null) {
                 discoveredDevices[device.id] = device
                 _devices.value = discoveredDevices.values.toList()
                 println("AeroToss: Found ${device.name} [${device.type}] at ${device.hostAddress}:${device.port}")
+            } else {
+                println("AeroToss: Failed to query $host:$remoteTcpPort")
+            }
+        } catch (e: Exception) {
+            println("AeroToss: Broadcast processing error: ${e.message}")
         }
-        } catch (_: Exception) {}
     }
 
     private fun queryRemote(host: String, tcpPort: Int): Device? {
@@ -150,7 +190,7 @@ class TcpDiscovery(
                 writer.newLine()
                 writer.flush()
                 val line = reader.readLine() ?: return null
-                val resp = json.decodeFromString<DiscoveryResponse>(line)
+                json.decodeFromString<DiscoveryResponse>(line).let { resp ->
                     Device(
                         id = resp.id,
                         name = resp.name,
@@ -159,18 +199,27 @@ class TcpDiscovery(
                         port = resp.port
                     )
                 }
-        } catch (_: Exception) { null }
+            }
+        } catch (e: Exception) {
+            println("AeroToss: queryRemote $host:$tcpPort failed: ${e.message}")
+            null
+        }
     }
 
     private fun findMyIp(): String {
-        return try {
+        try {
-            NetworkInterface.getNetworkInterfaces()?.toList()
+            val interfaces = NetworkInterface.getNetworkInterfaces()
-                ?.filter { it.isUp && !it.isLoopback }
+            while (interfaces.hasMoreElements()) {
-                ?.flatMap { it.inetAddresses.toList() }
+                val iface = interfaces.nextElement()
-                ?.filterIsInstance<java.net.Inet4Address>()
+                if (iface.isLoopback || !iface.isUp) continue
-                ?.firstOrNull { isPrivate(it) }
+                for (addr in iface.inetAddresses) {
-                ?.hostAddress ?: "127.0.0.1"
+                    if (addr is java.net.Inet4Address && isPrivate(addr)) {
-        } catch (_: Exception) { "127.0.0.1" }
+                        return addr.hostAddress
+                    }
+                }
+            }
+        } catch (_: Exception) {}
+        return "127.0.0.1"
     }
 
     private fun isPrivate(addr: java.net.InetAddress): Boolean {