Fix Yoto quality scale comments (#174088)

homeassistant/components/yoto/quality_scale.yaml

@@ -5,7 +5,7 @@ rules:
     comment: This integration does not register custom service actions.
   appropriate-polling:
     status: done
-    comment: 5 minute interval. MQTT carries live state; polling is what surfaces the online -> offline transition since the broker doesn't push disconnect events.
+    comment: Live state is pushed over MQTT; the coordinator polls REST every 5 min only for the device roster and player config (firmware, day/night times).
   brands: done
   common-modules: done
   config-flow-test-coverage: done
@@ -48,7 +48,7 @@ rules:
   diagnostics: done
   discovery-update-info:
     status: exempt
-    comment: The integration supports local DHCP discovery (via hostname pattern), but does not implement a separate discovery update handling flow.
+    comment: Cloud connection; DHCP discovery only triggers setup, no network address is persisted to update.
   docs-data-update: todo
   docs-examples: todo
   docs-known-limitations: todo
@@ -70,7 +70,7 @@ rules:
     comment: Authorization is the only configuration; reauth covers re-linking the account.
   repair-issues:
     status: exempt
-    comment: No repair issues are raised yet.
+    comment: Auth failures go through the reauth flow; other errors are transient and retried by the coordinator.
   stale-devices: todo
 
   # Platinum