Merge remote-tracking branch 'duckie/main' into merge-duckie-main-2026-05-06

# Conflicts:
#	packages/communication/src/messages/parser/room/unit/RoomUnitInfoParser.ts
#	packages/communication/src/messages/parser/user/data/UserProfileParser.ts
#	packages/events/src/session/RoomSessionUserFigureUpdateEvent.ts
#	packages/session/src/handler/RoomUsersHandler.ts

packages/api/src/nitro/avatar/IAvatarImage.ts

@@ -17,6 +17,7 @@ export interface IAvatarImage
     processAsImageUrl(setType: string): string;
     processAsContainer(setType: string): Container;
     getDirection(): number;
+    getDirectionOffset(): number;
     getFigure(): IAvatarFigureContainer;
     getPartColor(_arg_1: string): IPartColor;
     getMainAction(): IActiveActionData;

packages/api/src/nitro/session/IRoomUserData.ts

@@ -2,6 +2,10 @@ export interface IRoomUserData
 {
     readonly roomIndex: number;
     activityPoints: number;
+    background: number;
+    stand: number;
+    overlay: number;
+    cardBackground: number;
     name: string;
     type: number;
     sex: string;

packages/api/src/nitro/session/IUserDataManager.ts

@@ -18,6 +18,7 @@ export interface IUserDataManager
     updateMotto(roomIndex: number, custom: string): void;
     updateNickIcon(roomIndex: number, nickIcon: string): void;
     updateCustomization(roomIndex: number, nickIcon: string, prefixText: string, prefixColor: string, prefixIcon: string, prefixEffect: string, prefixFont: string, displayOrder: string): void;
+    updateBackground(roomIndex: number, background: number, stand: number, overlay: number, cardBackground?: number): void;
     updateAchievementScore(roomIndex: number, score: number): void;
     updatePetLevel(roomIndex: number, level: number): void;
     updatePetBreedingStatus(roomIndex: number, canBreed: boolean, canHarvest: boolean, canRevive: boolean, hasBreedingPermission: boolean): void;