New source found from dndbeyond.com

ddb_main/packages/rules-engine/es/engine/Character/generators/Configuration.js

@@ -1,4 +1,4 @@
-import { MovementTypeEnum, PreferenceAbilityScoreDisplayTypeEnum, PreferenceEncumbranceTypeEnum, PreferenceHitPointTypeEnum, PreferencePrivacyTypeEnum, PreferenceProgressionTypeEnum, PreferenceSharingTypeEnum, SenseTypeEnum, } from '../../Core';
+import { MovementTypeEnum, PreferenceAbilityScoreDisplayTypeEnum, PreferenceEncumbranceTypeEnum, PreferenceHitPointTypeEnum, PreferenceLongRestTypeEnum, PreferencePrivacyTypeEnum, PreferenceProgressionTypeEnum, PreferenceSharingTypeEnum, SenseTypeEnum, } from '../../Core';
 /**
  *
  * @param race
@@ -56,6 +56,7 @@ export function generateCharacterPreferences(preferencesContract, featureFlagInf
         enableDarkMode: false,
         useHomebrewContent: true,
         enableContainerCurrency: false,
+        longRestType: PreferenceLongRestTypeEnum.HALF,
     };
 }
 /**

ddb_main/packages/rules-engine/es/engine/Character/utils/Configuration.js

@@ -24,6 +24,8 @@ export function getPreferenceKey(preKey) {
             return preKey;
         case 'ignoreCoinWeight':
             return preKey;
+        case 'longRestType':
+            return preKey;
         case 'primaryMovement':
             return preKey;
         case 'primarySense':