feat(characters): support character-scoped conversations

src/data/repositories/chat_repository.ts

@@ -36,18 +36,20 @@ export class ChatRepository implements IChatRepository {
 
   /** 发送一条消息。 */
   async sendMessage(
+    characterId: string,
     message: string,
     options?: { image?: string; useWebSocket?: boolean },
   ): Promise<Result<ChatSendResponse>> {
-    return this.remote.sendMessage(message, options);
+    return this.remote.sendMessage(characterId, message, options);
   }
 
   /** 获取聊天历史，分页参数默认 limit=50, offset=0。 */
   async getHistory(
+    characterId: string,
     limit = 50,
     offset = 0,
   ): Promise<Result<ChatHistoryResponse>> {
-    return this.remote.getHistory(limit, offset);
+    return this.remote.getHistory(characterId, limit, offset);
   }
 
   /** 解锁单条历史付费 / 私密消息。 */
@@ -58,8 +60,8 @@ export class ChatRepository implements IChatRepository {
   }
 
   /** 一键解锁历史锁定消息。 */
-  async unlockHistory(): Promise<Result<UnlockHistoryResponse>> {
-    return this.remote.unlockHistory();
+  async unlockHistory(characterId: string): Promise<Result<UnlockHistoryResponse>> {
+    return this.remote.unlockHistory(characterId);
   }
 
   /** 把本地缓存中的单条锁定消息标记为已解锁。 */
@@ -133,17 +135,24 @@ export class ChatRepository implements IChatRepository {
 
   async prefetchMediaForMessages(
     messages: readonly ChatMessage[],
+    characterId: string,
     cacheIdentity?: string,
   ): Promise<Result<void>> {
-    return this.mediaCache.prefetchMediaForMessages(messages, cacheIdentity);
+    return this.mediaCache.prefetchMediaForMessages(
+      messages,
+      characterId,
+      cacheIdentity,
+    );
   }
 
   async prefetchMediaForSendResponse(
     response: ChatSendResponse,
+    characterId: string,
     cacheIdentity?: string,
   ): Promise<Result<void>> {
     return this.mediaCache.prefetchMediaForSendResponse(
       response,
+      characterId,
       cacheIdentity,
     );
   }