feat(characters): support character-scoped conversations

src/data/repositories/interfaces/index.ts

@@ -4,6 +4,7 @@
 
 export * from "./iauth_repository";
 export * from "./ichat_repository";
+export * from "./icharacter_repository";
 export * from "./ifeedback_repository";
 export * from "./imetrics_repository";
 export * from "./ipayment_repository";