feat: 大量优化和bug修复

app/interfaces/answer.ts

@@ -2,7 +2,6 @@
 export type {
   IApiResponse,
   IClearCacheResponse,
-  IHealthResponse,
   IQaRecord,
   IRecordsData,
   IRecordsRequest,
@@ -11,6 +10,5 @@ export type {
   ISearchRequest,
   ISearchResponse,
   ISearchSuccessResponse,
-  IStatsResponse,
   QuestionType
 } from "~~/shared/types/answer";

app/interfaces/index.ts

@@ -1,2 +1,10 @@
 // app/interfaces/index.ts - 前端共享类型统一出口
 export * from "./answer";
+export type {
+  ISystemConfigPublic,
+  ISystemConfigResponse,
+  ISystemConfigUpdateRequest,
+  IUserSettings,
+  IUserSettingsResponse,
+  IUserSettingsUpdateRequest
+} from "~~/shared/types/settings";