force check api online via JSON response

frontend/src/models/system.js

@@ -4,7 +4,8 @@ import { baseHeaders } from "../utils/request";
 const System = {
   ping: async function () {
     return await fetch(`${API_BASE}/ping`)
-      .then((res) => res.ok)
+      .then((res) => res.json())
+      .then((res) => res?.online || false)
       .catch(() => false);
   },
   totalIndexes: async function () {

frontend/src/utils/constants.js

-export const API_BASE =
-  import.meta.env.VITE_API_BASE || "/api";
+export const API_BASE = import.meta.env.VITE_API_BASE || "/api";
 
 export const AUTH_USER = "anythingllm_user";
 export const AUTH_TOKEN = "anythingllm_authToken";

server/endpoints/system.js

@@ -40,7 +40,7 @@ function systemEndpoints(app) {
   if (!app) return;
 
   app.get("/ping", (_, response) => {
-    response.sendStatus(200);
+    response.status(200).json({ online: true });
   });
 
   app.get("/migrate", async (_, response) => {