refactor(chat): remove redundant auth state management from ChatScreen documentation

refactor(chat): update guest chat quota logic to use isProduction utility
fix(user): add TODO for user initialization event on login status change

src/app/chat/chat-screen.tsx

@@ -2,11 +2,6 @@
 /**
  * ChatScreen 编排层
  *
- * 职责（本文件）：
- *   - 订阅 auth 状态机（loginStatus）—— 派生 isGuest / 派鉴权生命周期事件给 chat 机器
- *   - 屏幕生命周期事件（init / visible / invisible）
- *   - 不直接管理 WebSocket / 不直接读 AuthStorage（除 token 取值）
- *
  * 子组件职责：
  *   - ChatHeader：顶部栏（游客 banner / 菜单按钮）
  *   - ChatArea：消息列表

src/data/dto/chat/guest_chat_quota.ts

@@ -6,6 +6,7 @@ import {
   type GuestChatQuotaInput,
   type GuestChatQuotaData,
 } from "@/data/schemas/chat/guest_chat_quota";
+import { isProduction } from "@/utils/app-env";
 
 export class GuestChatQuota {
   // 静态常量
@@ -13,7 +14,7 @@ export class GuestChatQuota {
   static readonly maxQuotaPerDayTest = 4;
 
   static readonly defaultTotalQuota = 50;
-  static readonly defaultTotalQuotaDev = 5;
+  static readonly defaultTotalQuotaTest = 5;
   static readonly quotaExhausted = 0;
 
   declare readonly remaining: number;
@@ -40,29 +41,22 @@ export class GuestChatQuota {
     return GuestChatQuota.quotaExhausted;
   }
 
-  /**
-   * 是否处于开发环境
-   */
-  static get isDevelopment(): boolean {
-    return process.env.NODE_ENV !== "production";
-  }
-
   /**
    * 获取当前环境的每日最大配额
    */
   static get threshold(): number {
-    return GuestChatQuota.isDevelopment
-      ? GuestChatQuota.maxQuotaPerDayTest
-      : GuestChatQuota.maxQuotaPerDay;
+    return isProduction()
+      ? GuestChatQuota.maxQuotaPerDay
+      : GuestChatQuota.maxQuotaPerDayTest;
   }
 
   /**
    * 获取当前环境的总配额默认值
    */
   static get totalQuotaDefault(): number {
-    return GuestChatQuota.isDevelopment
-      ? GuestChatQuota.defaultTotalQuotaDev
-      : GuestChatQuota.defaultTotalQuota;
+    return isProduction()
+      ? GuestChatQuota.defaultTotalQuota
+      : GuestChatQuota.defaultTotalQuotaTest;
   }
 
   /**

src/stores/user/user-auth-sync.tsx

@@ -19,6 +19,7 @@ export function UserAuthSync() {
   const userDispatch = useUserDispatch();
   const lastInitializedStatusRef = useRef<string | null>(null);
 
+  //TODO 在测位栏界面监听变化，监听登录状态的变化若发生变化，则需要分发 user init 事件
   useEffect(() => {
     if (loginStatus === "notLoggedIn" || loginStatus === "guest") {
       lastInitializedStatusRef.current = null;