refactor(chat): rely on server message limits

src/data/dto/chat/guest_chat_quota.ts

@@ -1,82 +0,0 @@
-/**
- * 游客每日聊天配额数据 DTO
- */
-import {
-  GuestChatQuotaSchema,
-  type GuestChatQuotaInput,
-  type GuestChatQuotaData,
-} from "@/data/schemas/chat/guest_chat_quota";
-import { AppEnvUtil } from "@/utils";
-
-export class GuestChatQuota {
-  // 静态常量
-  static readonly maxQuotaPerDay = 30;
-  static readonly maxQuotaPerDayTest = 4;
-
-  static readonly defaultTotalQuota = 50;
-  static readonly defaultTotalQuotaTest = 5;
-  static readonly quotaExhausted = 0;
-
-  declare readonly remaining: number;
-  declare readonly date: string;
-
-  private constructor(input: GuestChatQuotaInput) {
-    const data = GuestChatQuotaSchema.parse(input);
-    Object.assign(this, data);
-    Object.freeze(this);
-  }
-
-  static from(input: GuestChatQuotaInput): GuestChatQuota {
-    return new GuestChatQuota(input);
-  }
-
-  static fromJson(json: unknown): GuestChatQuota {
-    return GuestChatQuota.from(json as GuestChatQuotaInput);
-  }
-
-  /**
-   * 配额耗尽状态值
-   */
-  static get exhausted(): number {
-    return GuestChatQuota.quotaExhausted;
-  }
-
-  /**
-   * 获取当前环境的每日最大配额
-   */
-  static get threshold(): number {
-    return AppEnvUtil.isProduction()
-      ? GuestChatQuota.maxQuotaPerDay
-      : GuestChatQuota.maxQuotaPerDayTest;
-  }
-
-  /**
-   * 获取当前环境的总配额默认值
-   */
-  static get totalQuotaDefault(): number {
-    return AppEnvUtil.isProduction()
-      ? GuestChatQuota.defaultTotalQuota
-      : GuestChatQuota.defaultTotalQuotaTest;
-  }
-
-  /**
-   * 创建初始配额实例
-   */
-  static initial(todayString: string): GuestChatQuota {
-    return new GuestChatQuota({
-      remaining: GuestChatQuota.threshold,
-      date: todayString,
-    });
-  }
-
-  /**
-   * 是否需要重置（跨天）
-   */
-  needsReset(todayString: string): boolean {
-    return this.date !== todayString;
-  }
-
-  toJson(): GuestChatQuotaData {
-    return GuestChatQuotaSchema.parse(this);
-  }
-}

src/data/dto/chat/index.ts

@@ -8,7 +8,6 @@ export * from "./chat_message";
 export * from "./chat_send_response";
 export * from "./chat_sync_data";
 export * from "./chat_sync_request";
-export * from "./guest_chat_quota";
 export * from "./image_upload_response";
 export * from "./send_message_request";
 export * from "./stt_data";

src/data/schemas/chat/guest_chat_quota.ts

@@ -1,13 +0,0 @@
-/**
- * 游客每日聊天配额数据
- * 原始 Dart: GuestChatQuota (lib/data/models/chat/guest_chat_quota.dart)
- */
-import { z } from "zod";
-
-export const GuestChatQuotaSchema = z.object({
-  remaining: z.number(),
-  date: z.string(),
-});
-
-export type GuestChatQuotaInput = z.input<typeof GuestChatQuotaSchema>;
-export type GuestChatQuotaData = z.output<typeof GuestChatQuotaSchema>;

src/data/schemas/chat/index.ts

@@ -7,7 +7,6 @@ export * from "./chat_message";
 export * from "./chat_send_response";
 export * from "./chat_sync_data";
 export * from "./chat_sync_request";
-export * from "./guest_chat_quota";
 export * from "./image_upload_response";
 export * from "./send_message_request";
 export * from "./stt_data";

src/data/services/index.ts

@@ -35,7 +35,6 @@ export * from "../dto/chat/chat_message";
 export * from "../dto/chat/chat_send_response";
 export * from "../dto/chat/chat_sync_data";
 export * from "../dto/chat/chat_sync_request";
-export * from "../dto/chat/guest_chat_quota";
 export * from "../dto/chat/image_upload_response";
 export * from "../dto/chat/send_message_request";
 export * from "../dto/chat/stt_data";
@@ -69,7 +68,6 @@ export * from "../schemas/chat/chat_message";
 export * from "../schemas/chat/chat_send_response";
 export * from "../schemas/chat/chat_sync_data";
 export * from "../schemas/chat/chat_sync_request";
-export * from "../schemas/chat/guest_chat_quota";
 export * from "../schemas/chat/image_upload_response";
 export * from "../schemas/chat/send_message_request";
 export * from "../schemas/chat/stt_data";

src/data/storage/chat/__tests__/chat_storage.test.ts

@@ -1,62 +0,0 @@
-import { beforeEach, describe, expect, it } from "vitest";
-import { createStorage } from "unstorage";
-import memoryDriver from "unstorage/drivers/memory";
-
-import { GuestChatQuota } from "@/data/dto/chat/guest_chat_quota";
-import { StorageKeys } from "@/data/storage/storage_keys";
-import { todayString, SpAsyncUtil } from "@/utils";
-
-import { ChatStorage } from "../chat_storage";
-
-describe("ChatStorage guest quota", () => {
-  beforeEach(() => {
-    SpAsyncUtil.setStorage(createStorage({ driver: memoryDriver() }));
-    ChatStorage._resetForTests();
-  });
-
-  it("keeps an existing daily quota for the current day", async () => {
-    const storage = ChatStorage.getInstance();
-    await storage.setGuestDailyChatQuota(2, todayString());
-
-    const result = await storage.getGuestDailyChatQuota();
-
-    expect(result.success).toBe(true);
-    expect(result.success ? result.data : null).toEqual({
-      remaining: 2,
-      date: todayString(),
-    });
-  });
-
-  it("resets daily quota only when the stored date is not today", async () => {
-    const storage = ChatStorage.getInstance();
-    await storage.setGuestDailyChatQuota(1, "2000-01-01");
-
-    const result = await storage.getGuestDailyChatQuota();
-
-    expect(result.success).toBe(true);
-    expect(result.success ? result.data : null).toEqual({
-      remaining: GuestChatQuota.threshold,
-      date: todayString(),
-    });
-  });
-
-  it("does not overwrite invalid daily quota data with the default value", async () => {
-    await SpAsyncUtil.setString(StorageKeys.guestChatQuota, "{not-json");
-
-    const result = await ChatStorage.getInstance().getGuestDailyChatQuota();
-    const stored = await SpAsyncUtil.getString(StorageKeys.guestChatQuota);
-
-    expect(result.success).toBe(false);
-    expect(stored.success ? stored.data : null).toBe("{not-json");
-  });
-
-  it("does not overwrite invalid total quota data with the default value", async () => {
-    await SpAsyncUtil.setString(StorageKeys.guestTotalQuotaRemaining, "{not-json");
-
-    const result = await ChatStorage.getInstance().getGuestTotalQuota();
-    const stored = await SpAsyncUtil.getString(StorageKeys.guestTotalQuotaRemaining);
-
-    expect(result.success).toBe(false);
-    expect(stored.success ? stored.data : null).toBe("{not-json");
-  });
-});

src/data/storage/chat/chat_storage.ts

@@ -1,17 +1,6 @@
 "use client";
 
-import {
-  GuestChatQuotaSchema,
-  type GuestChatQuotaData,
-} from "@/data/schemas/chat/guest_chat_quota";
-import { GuestChatQuota as GuestChatQuotaDto } from "@/data/dto/chat/guest_chat_quota";
-import { z } from "zod";
-
-import { type Result as ResultT, Result, todayString, SpAsyncUtil } from "@/utils";
-import { StorageKeys } from "../storage_keys";
-import type { IChatStorage } from "./ichat_storage";
-
-export class ChatStorage implements IChatStorage {
+export class ChatStorage {
   private static _instance: ChatStorage | null = null;
 
   static getInstance(): ChatStorage {
@@ -24,65 +13,6 @@ export class ChatStorage implements IChatStorage {
     ChatStorage._instance = null;
   }
 
-  // ---- guest daily chat quota ----
-
-  async getGuestDailyChatQuota(): Promise<ResultT<GuestChatQuotaData | null>> {
-    const existing = await SpAsyncUtil.getJson(
-      StorageKeys.guestChatQuota,
-      GuestChatQuotaSchema,
-    );
-    if (Result.isErr(existing)) return existing;
-
-    const today = todayString();
-    if (existing.data != null) {
-      const quota = GuestChatQuotaDto.from(existing.data);
-      if (!quota.needsReset(today)) return existing;
-    }
-
-    const initResult = await this.setGuestDailyChatQuota(
-      GuestChatQuotaDto.threshold,
-      today,
-    );
-    if (Result.isErr(initResult)) return existing;
-
-    return {
-      success: true,
-      data: { remaining: GuestChatQuotaDto.threshold, date: today },
-    };
-  }
-
-  setGuestDailyChatQuota(remaining: number, date: string): Promise<ResultT<void>> {
-    const value: GuestChatQuotaData = { remaining, date };
-    return SpAsyncUtil.setJson(StorageKeys.guestChatQuota, value, GuestChatQuotaSchema);
-  }
-
-  clearGuestDailyChatQuota(): Promise<ResultT<void>> {
-    return SpAsyncUtil.remove(StorageKeys.guestChatQuota);
-  }
-
-  // ---- guest total quota ----
-
-  async getGuestTotalQuota(): Promise<ResultT<number | null>> {
-    const existing = await SpAsyncUtil.getJson(
-      StorageKeys.guestTotalQuotaRemaining,
-      z.number(),
-    );
-    if (Result.isErr(existing)) return existing;
-    if (existing.data != null) return existing;
-
-    const initResult = await this.setGuestTotalQuota(
-      GuestChatQuotaDto.totalQuotaDefault,
-    );
-    if (Result.isErr(initResult)) return existing;
-
-    return { success: true, data: GuestChatQuotaDto.totalQuotaDefault };
-  }
-
-  setGuestTotalQuota(remaining: number): Promise<ResultT<void>> {
-    return SpAsyncUtil.setJson(StorageKeys.guestTotalQuotaRemaining, remaining, z.number());
-  }
-
-  clearGuestTotalQuota(): Promise<ResultT<void>> {
-    return SpAsyncUtil.remove(StorageKeys.guestTotalQuotaRemaining);
-  }
+  // 本地游客消息数量额度逻辑已停用：
+  // 游客 / 非游客的消息数量限制统一由后端接口返回 blocked/daily_limit。
 }

src/data/storage/chat/ichat_storage.ts

@@ -1,28 +0,0 @@
-"use client";
-
-/**
- * IChatStorage 接口
- *
- * 对齐 Dart 端 `IChatStorage`（lib/data/services/storage/chat/ichat_storage.dart）：
- *   - 游客每日聊天配额 + 游客总配额 两个独立字段的 CRUD
- *
- * 注：`GuestChatQuota` 模型见 `src/data/dto/chat/guest_chat_quota.ts`，
- * 数据形态 `{ remaining: number, date: string }`。
- * 跨天判断逻辑（`needsReset`）保留在 `GuestChatQuota` 类上。
- */
-
-import type { Result } from "@/utils";
-import type { GuestChatQuotaData } from "@/data/schemas/chat/guest_chat_quota";
-
-export interface IChatStorage {
-  getGuestDailyChatQuota(): Promise<Result<GuestChatQuotaData | null>>;
-  setGuestDailyChatQuota(
-    remaining: number,
-    date: string,
-  ): Promise<Result<void>>;
-  clearGuestDailyChatQuota(): Promise<Result<void>>;
-
-  getGuestTotalQuota(): Promise<Result<number | null>>;
-  setGuestTotalQuota(remaining: number): Promise<Result<void>>;
-  clearGuestTotalQuota(): Promise<Result<void>>;
-}

src/data/storage/chat/index.ts

@@ -3,7 +3,6 @@
  */
 
 export * from "./chat_storage";
-export * from "./ichat_storage";
 export * from "./local_chat_db";
 export * from "./local_chat_storage";
 export * from "./local_message";

src/data/storage/index.ts

@@ -14,7 +14,6 @@ export * from "./app/app_storage";
 export * from "./auth/auth_storage";
 export * from "./auth/iauth_storage";
 export * from "./chat/chat_storage";
-export * from "./chat/ichat_storage";
 export * from "./chat/local_chat_db";
 export * from "./chat/local_chat_storage";
 export * from "./chat/local_message";

src/data/storage/storage_keys.ts

@@ -21,8 +21,6 @@ export const StorageKeys = {
 
   // chat
   chatHistory: "chat_history",
-  guestChatQuota: "guest_chat_quota",
-  guestTotalQuotaRemaining: "guest_total_quota_remaining",
 
   // pwa / app info
   lastPwaDialogShown: "last_pwa_dialog_shown",