OpenRouter: Update quality scale (#166921)

homeassistant/components/open_router/quality_scale.yaml

@@ -45,7 +45,7 @@ rules:
     comment: the integration only integrates state-less entities
   parallel-updates: todo
   reauthentication-flow: todo
-  test-coverage: todo
+  test-coverage: done
 
   # Gold
   devices: done
@@ -63,8 +63,12 @@ rules:
   docs-supported-functions: todo
   docs-troubleshooting: todo
   docs-use-cases: todo
-  dynamic-devices: todo
-  entity-category: todo
+  dynamic-devices:
+    status: exempt
+    comment: devices are created via subentries, not discovered dynamically
+  entity-category:
+    status: exempt
+    comment: conversation and AI task entities do not use entity categories
   entity-device-class:
     status: exempt
     comment: no suitable device class for the conversation entity