Make hassfest fail on services with device filter on targets (#152794)

script/hassfest/services.py

@@ -118,8 +118,20 @@ def _service_schema(targeted: bool, custom: bool) -> vol.Schema:
         )
     }
 
+    def raise_on_target_device_filter(value: dict[str, Any]) -> dict[str, Any]:
+        """Raise error if target has a device filter."""
+        if "device" in value:
+            raise vol.Invalid(
+                "Services do not support device filters on target, use a device "
+                "selector instead"
+            )
+        return value
+
     if targeted:
-        schema_dict[vol.Required("target")] = selector.TargetSelector.CONFIG_SCHEMA
+        schema_dict[vol.Required("target")] = vol.All(
+            selector.TargetSelector.CONFIG_SCHEMA,
+            raise_on_target_device_filter,
+        )
 
     if custom:
         schema_dict |= CUSTOM_INTEGRATION_EXTRA_SCHEMA_DICT