Update zeroconf.py

Uses the new util to ensure MDNS matches the device ID.

linux_voice_assistant/zeroconf.py

@@ -2,9 +2,10 @@
 
 import logging
 import socket
-import uuid
 from typing import Optional
 
+from .util import get_mac_address
+
 _LOGGER = logging.getLogger(__name__)
 
 try:
@@ -21,21 +22,27 @@ class HomeAssistantZeroconf:
         self, port: int, name: Optional[str] = None, host: Optional[str] = None
     ) -> None:
         self.port = port
-        self.name = name or _get_mac_address()
+        # Use the stable MAC address
+        self.mac_address = get_mac_address()
+        self.name = name or self.mac_address
 
         if not host:
+            try:
                 test_sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
                 test_sock.setblocking(False)
                 test_sock.connect((MDNS_TARGET_IP, 1))
                 host = test_sock.getsockname()[0]
+                test_sock.close()
                 _LOGGER.debug("Detected IP: %s", host)
+            except Exception:
+                _LOGGER.warning("Could not detect IP address, mDNS might fail.")
+                host = "127.0.0.1"
 
         assert host
         self.host = host
         self._aiozc = AsyncZeroconf()
 
     async def register_server(self) -> None:
-
         service_info = AsyncServiceInfo(
             "_esphomelib._tcp.local.",
             f"{self.name}._esphomelib._tcp.local.",
@@ -43,22 +50,12 @@ class HomeAssistantZeroconf:
             port=self.port,
             properties={
                 "version": "2025.9.0",
-                "mac": _get_mac_address(),
+                "mac": self.mac_address,
                 "board": "host",
                 "platform": "HOST",
-                "network": "ethernet",  # or "wifi"
+                "network": "ethernet", 
             },
             server=f"{self.name}.local.",
         )
         await self._aiozc.async_register_service(service_info)
         _LOGGER.debug("Zeroconf discovery enabled: %s", service_info)
-
-
-def _get_mac_address() -> str:
-    """Return MAC address formatted as hex with no colons."""
-    return "".join(
-        # pylint: disable=consider-using-f-string
-        ["{:02x}".format((uuid.getnode() >> ele) & 0xFF) for ele in range(0, 8 * 6, 8)][
-            ::-1
-        ]
-    )