feat(characters): support character-scoped conversations

src/data/repositories/interfaces/ichat_repository.ts

@@ -18,6 +18,7 @@ import type { ChatImageData, ChatLockType } from "@/data/schemas/chat";
 import type { LocalChatMediaRow } from "@/data/storage/chat";
 
 export interface ChatMediaLookupInput {
+  characterId: string;
   messageId: string;
   kind: ChatMediaKind;
 }
@@ -34,6 +35,7 @@ export interface UnlockedPrivateMessageLocalPatch {
 }
 
 export interface UnlockPrivateMessageInput {
+  characterId: string;
   messageId?: string;
   lockType?: ChatLockType;
   clientLockId?: string;
@@ -42,12 +44,17 @@ export interface UnlockPrivateMessageInput {
 export interface IChatRepository {
   /** 发送一条消息。 */
   sendMessage(
+    characterId: string,
     message: string,
     options?: { image?: string; useWebSocket?: boolean },
   ): Promise<Result<ChatSendResponse>>;
 
   /** 获取聊天历史，分页参数默认 limit=50, offset=0。 */
-  getHistory(limit?: number, offset?: number): Promise<Result<ChatHistoryResponse>>;
+  getHistory(
+    characterId: string,
+    limit?: number,
+    offset?: number,
+  ): Promise<Result<ChatHistoryResponse>>;
 
   /** 解锁单条历史付费 / 私密消息。 */
   unlockPrivateMessage(
@@ -55,7 +62,7 @@ export interface IChatRepository {
   ): Promise<Result<UnlockPrivateResponse>>;
 
   /** 一键解锁历史锁定消息。 */
-  unlockHistory(): Promise<Result<UnlockHistoryResponse>>;
+  unlockHistory(characterId: string): Promise<Result<UnlockHistoryResponse>>;
 
   /** 把本地缓存中的单条锁定消息标记为已解锁。 */
   markPrivateMessageUnlockedInLocal(
@@ -99,12 +106,14 @@ export interface IChatRepository {
   /** 后台预缓存历史消息中的图片 / 音频。失败不影响聊天主流程。 */
   prefetchMediaForMessages(
     messages: readonly ChatMessage[],
+    characterId: string,
     cacheIdentity?: string,
   ): Promise<Result<void>>;
 
   /** 后台预缓存发送响应中的图片 / 音频。失败不影响聊天主流程。 */
   prefetchMediaForSendResponse(
     response: ChatSendResponse,
+    characterId: string,
     cacheIdentity?: string,
   ): Promise<Result<void>>;
 }