Commit remaining changes: logging upgrades and E2E test

app/object_definitions/events_registration.py

@@ -33,6 +33,12 @@ events_registration_obj_li = {
             'member_status', 'registration_type_code',
             'notes', 'created_on', 'updated_on', 'default_qry_str'
         ],
+        # Allow nested operations under both `event` and `event_person` parents.
+        # `event_badge` is directly linked to `event_person` (FK: event_person_id),
+        # but views expose it under `event` as well. Explicitly register both
+        # so nested CRUD routes like POST /v3/crud/event_person/{id}/event_badge/
+        # will be accepted by the generic nested router.
+        'parent_types': ['event', 'event_person'],
     },
     'event_badge_template': {
         'tbl': 'event_badge_template',