fix(ai-help): refetch quota after an ai error (#10615)

Author: argl

Diff for: client/src/plus/ai-help/use-ai.ts

@@ -5,12 +5,13 @@ import { useCallback, useEffect, useReducer, useRef, useState } from "react";
 import { useSearchParams } from "react-router-dom";
 
 import { SSE } from "sse.js";
-import useSWR from "swr";
+import useSWR, { mutate } from "swr";
 import { AIHelpLog } from "./rust-types";
 import { useGleanClick } from "../../telemetry/glean-context";
 import { AI_HELP } from "../../telemetry/constants";
 import { useAIHelpSettings } from "./utils";
 import { EVENT_TIMEOUT } from "./constants";
+import { AI_HELP_QUOTA_PATH } from "../common/api";
 
 const RETRY_INTERVAL = 10000;
 const ERROR_TIMEOUT = 60000;
@@ -384,6 +385,7 @@ export function useAiChat({
       eventSourceRef.current?.close();
       eventSourceRef.current = undefined;
       setLoadingState("failed");
+      mutate(AI_HELP_QUOTA_PATH);
       console.error(err);
     },
     [gleanClick]
@@ -694,18 +696,15 @@ export function useAiChat({
   }, [state, path, setMessages]);
 
   function useRemoteQuota() {
-    const { data } = useSWR<Quota>(
-      "/api/v1/plus/ai/help/quota",
-      async (url) => {
-        const response = await fetch(url);
-        if (!response.ok) {
-          const text = await response.text();
-          throw new Error(`${response.status} on ${url}: ${text}`);
-        }
-        const data = await response.json();
-        return data.quota;
+    const { data } = useSWR<Quota>(AI_HELP_QUOTA_PATH, async (url) => {
+      const response = await fetch(url);
+      if (!response.ok) {
+        const text = await response.text();
+        throw new Error(`${response.status} on ${url}: ${text}`);
       }
-    );
+      const data = await response.json();
+      return data.quota;
+    });
 
     return data;
   }

Diff for: client/src/plus/common/api.tsx

@@ -1,6 +1,7 @@
 export const STRIPE_PLANS_PATH = "/api/v1/stripe/plans";
 export const SETTINGS_BASE_PATH = "/api/v1/plus/settings/";
 export const NEWSLETTER_BASE_PATH = "/api/v1/plus/newsletter/";
+export const AI_HELP_QUOTA_PATH = "/api/v1/plus/ai/help/quota";
 
 export type PLUS_SETTINGS = {
   col_in_search: boolean;