refactor(user): persist compact user cache

src/data/schemas/user/index.ts

@@ -5,6 +5,7 @@
 export * from "./avatar_data";
 export * from "./credits_data";
 export * from "./credits_history_data";
+export * from "./persisted_user";
 export * from "./personality_traits";
 export * from "./recent_memory";
 export * from "./update_profile_request";

src/data/schemas/user/persisted_user.ts

@@ -0,0 +1,22 @@
+/**
+ * 本地持久化用户模型。
+ *
+ * 后端 UserSchema 保持完整，用于接口解析；本 schema 只描述本地缓存真正
+ * 会用到的字段，避免把完整 profile 长期写入 localStorage。
+ */
+import { z } from "zod";
+
+import { numberOrZero, stringOrEmpty } from "../nullable-defaults";
+
+export const PersistedUserSchema = z.object({
+  id: stringOrEmpty,
+  username: stringOrEmpty,
+  countryCode: stringOrEmpty,
+  dailyFreeChatLimit: numberOrZero,
+  dailyFreeChatRemaining: numberOrZero,
+  dailyFreePrivateLimit: numberOrZero,
+  dailyFreePrivateRemaining: numberOrZero,
+});
+
+export type PersistedUserInput = z.input<typeof PersistedUserSchema>;
+export type PersistedUserData = z.output<typeof PersistedUserSchema>;