Use ZoneEntityStateAttribute enum in device_tracker (#175976)

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

homeassistant/components/device_tracker/entity.py

@@ -7,7 +7,7 @@ from typing import TYPE_CHECKING, Any, final, override
 from propcache.api import cached_property
 
 from homeassistant.components import zone
-from homeassistant.components.zone import ATTR_PASSIVE, ATTR_RADIUS
+from homeassistant.components.zone import ZoneEntityStateAttribute
 from homeassistant.const import (  # noqa: F401
     ATTR_BATTERY_LEVEL,
     ATTR_GPS_ACCURACY,
@@ -368,10 +368,14 @@ class TrackerEntity(
                     for entity_id in zones
                     if (zone_state := self.hass.states.get(entity_id)) is not None
                 ),
-                key=lambda z: z.attributes[ATTR_RADIUS],
+                key=lambda z: z.attributes[ZoneEntityStateAttribute.RADIUS],
             )
             self.__active_zone = next(
-                (z for z in zone_states if not z.attributes.get(ATTR_PASSIVE)),
+                (
+                    z
+                    for z in zone_states
+                    if not z.attributes.get(ZoneEntityStateAttribute.PASSIVE)
+                ),
                 None,
             )
             self.__in_zones = [z.entity_id for z in zone_states]

homeassistant/components/device_tracker/legacy.py

@@ -14,7 +14,7 @@ import voluptuous as vol
 
 from homeassistant import util
 from homeassistant.components import zone
-from homeassistant.components.zone import ENTITY_ID_HOME
+from homeassistant.components.zone import ENTITY_ID_HOME, ZoneEntityStateAttribute
 from homeassistant.config import (
     async_log_schema_error,
     config_per_platform,
@@ -24,8 +24,6 @@ from homeassistant.const import (
     ATTR_ENTITY_ID,
     ATTR_GPS_ACCURACY,
     ATTR_ICON,
-    ATTR_LATITUDE,
-    ATTR_LONGITUDE,
     ATTR_NAME,
     CONF_ICON,
     CONF_MAC,
@@ -511,8 +509,8 @@ def async_setup_scanner_platform(
             zone_home = hass.states.get(ENTITY_ID_HOME)
             if zone_home is not None:
                 kwargs["gps"] = [
-                    zone_home.attributes[ATTR_LATITUDE],
-                    zone_home.attributes[ATTR_LONGITUDE],
+                    zone_home.attributes[ZoneEntityStateAttribute.LATITUDE],
+                    zone_home.attributes[ZoneEntityStateAttribute.LONGITUDE],
                 ]
                 kwargs["gps_accuracy"] = 0