refactor(data): replace schema classes with readonly models

src/data/repositories/interfaces/ichat_repository.ts

@@ -4,18 +4,19 @@
  * 聚合聊天远程操作、身份隔离的本地历史，以及媒体缓存能力。
  */
 
-import type { Result } from "@/utils/result";
 import type {
   ChatHistoryResponse,
+  ChatImageData,
+  ChatLockDetailData,
+  ChatLockType,
   ChatMediaKind,
   ChatMessage,
   ChatSendResponse,
   UnlockHistoryResponse,
   UnlockPrivateResponse,
 } from "@/data/schemas/chat";
-import type { ChatLockDetailData } from "@/data/schemas/chat";
-import type { ChatImageData, ChatLockType } from "@/data/schemas/chat";
 import type { LocalChatMediaRow } from "@/data/storage/chat";
+import type { Result } from "@/utils/result";
 
 export interface ChatMediaLookupInput {
   characterId: string;
@@ -84,7 +85,9 @@ export interface IChatRepository {
   ): Promise<Result<void>>;
 
   /** 读取所有本地消息，按 dbId 升序。 */
-  getLocalMessages(cacheIdentity?: string): Promise<Result<ChatMessage[]>>;
+  getLocalMessages(
+    cacheIdentity?: string,
+  ): Promise<Result<readonly ChatMessage[]>>;
 
   /** 清空本地消息。 */
   clearLocalMessages(cacheIdentity?: string): Promise<Result<void>>;