feat(characters): support character-scoped conversations

src/data/repositories/index.ts

@@ -4,6 +4,7 @@
 
 export * from "./auth_repository";
 export * from "./chat_repository";
+export * from "./character_repository";
 export * from "./feedback_repository";
 export * from "./metrics_repository";
 export * from "./payment_repository";
@@ -11,6 +12,7 @@ export * from "./private_room_repository";
 export * from "./user_repository";
 export * from "./interfaces/iauth_repository";
 export * from "./interfaces/ichat_repository";
+export * from "./interfaces/icharacter_repository";
 export * from "./interfaces/ifeedback_repository";
 export * from "./interfaces/imetrics_repository";
 export * from "./interfaces/ipayment_repository";