feat(characters): support character-scoped conversations

src/stores/private-room/private-room-state.ts

@@ -1,4 +1,5 @@
 import type { PrivateAlbum } from "@/data/dto/private-room";
+import { DEFAULT_CHARACTER_ID } from "@/data/constants/character";
 
 export interface PrivateRoomUnlockPaywallRequest {
   albumId: string;
@@ -9,6 +10,7 @@ export interface PrivateRoomUnlockPaywallRequest {
 }
 
 export interface PrivateRoomState {
+  characterId: string;
   items: PrivateAlbum[];
   creditBalance: number;
   errorMessage: string | null;
@@ -19,13 +21,20 @@ export interface PrivateRoomState {
   unlockSuccessNonce: number;
 }
 
-export const initialState: PrivateRoomState = {
-  items: [],
-  creditBalance: 0,
-  errorMessage: null,
-  unlockingAlbumId: null,
-  unlockErrorMessage: null,
-  pendingConfirmAlbumId: null,
-  unlockPaywallRequest: null,
-  unlockSuccessNonce: 0,
-};
+export function createInitialPrivateRoomState(
+  characterId = DEFAULT_CHARACTER_ID,
+): PrivateRoomState {
+  return {
+    characterId,
+    items: [],
+    creditBalance: 0,
+    errorMessage: null,
+    unlockingAlbumId: null,
+    unlockErrorMessage: null,
+    pendingConfirmAlbumId: null,
+    unlockPaywallRequest: null,
+    unlockSuccessNonce: 0,
+  };
+}
+
+export const initialState = createInitialPrivateRoomState();