fix: when qps workers limit give user one friendly tips

Author: hqer927

packages/flat-i18n/locales/en.json

@@ -132,6 +132,9 @@
     },
     "guidance": {
       "TurnOffWhiteboard": "Click again to close the whiteboard"
+    },
+    "message": {
+      "100001": "AI conversation demand is too hot, please try again later"
     }
   },
   "room-status": {

packages/flat-i18n/locales/zh-CN.json

@@ -132,6 +132,9 @@
     },
     "guidance": {
       "TurnOffWhiteboard": "再次点击可以关闭白板"
+    },
+    "message": {
+      "10001": "AI对话需求过于火热，请稍后再试"
     }
   },
   "class-room-type": {

packages/flat-stores/src/classroom-store/ai-chat-store.ts

@@ -2,6 +2,7 @@ import { AIChatMsgUser, ChatMsg } from "flat-components";
 import { makeAutoObservable, observable } from "mobx";
 import { SideEffectManager } from "side-effect-manager";
 import { TIMEOUT_MS } from "./constants";
+import { FlatI18n } from "@netless/flat-i18n";
 import {
     agoraAIPing,
     AgoraAIResult,
@@ -79,11 +80,19 @@ export class AIChatStore {
         if (r.code === "10002") {
             const res = await agoraAIStart(payload);
             if (res.code !== "0") {
-                throw new Error(`AI service start failed: ${res.msg}`);
+                if (res.code === "10001") {
+                    throw new Error(FlatI18n.t(`home-page-AI-teacher-class.message.${res.code}`));
+                } else {
+                    throw new Error(`AI service start failed: ${res.msg}`);
+                }
             }
             bol = false;
         } else if (r.code !== "0") {
-            throw new Error(`AI service is ${r.msg}`);
+            if (r.code === "10001") {
+                throw new Error(FlatI18n.t(`home-page-AI-teacher-class.message.${r.code}`));
+            } else {
+                throw new Error(`AI service is ${r.msg}`);
+            }
         }
         this.pingTasker();
         return bol;