fix: the deprecated listener+reload combo is gone — reauth uses async_update_reload_and_abort(_get_reauth_entry()), zeroconf host update is update-only, the __init__ options-reload listener is removed (grep-pinned); host-change tests assert update-without-reload (t29 G3a)

custom_components/nvidia_shield/__init__.py

@@ -25,6 +25,7 @@ from .const import (
     CONF_PROTOCOL_ENABLED,
     CONF_PROTOCOL_HOST,
     DOMAIN,
+    SERVICE_ADB_COMMAND,
 )
 from .helpers import discover_adb_host, protocol_cert_paths, resolve_adb_config
 
@@ -33,6 +34,25 @@ _LOGGER = logging.getLogger(__name__)
 PLATFORMS = [Platform.MEDIA_PLAYER, Platform.SENSOR, Platform.REMOTE, Platform.BUTTON]
 
 
+async def async_setup(hass: HomeAssistant, config) -> bool:
+    """Register the integration's services (t29 G8, always-on).
+
+    ``adb_command`` exists regardless of loaded entries or option state —
+    the entry's adb_command_enabled option gates USE (participants self-
+    register from the media_player platform), so automations validate and
+    errors are informative instead of 'service not found'.
+    """
+    from .media_player import _ADB_COMMAND_SCHEMA, _async_adb_command_service
+
+    hass.services.async_register(
+        DOMAIN,
+        SERVICE_ADB_COMMAND,
+        _async_adb_command_service,
+        schema=_ADB_COMMAND_SCHEMA,
+    )
+    return True
+
+
 async def _build_poller_factory(hass: HomeAssistant, entry: ConfigEntry):
     """Poller factory when ADB is configured AND usable today, else None.