fix(mobile): typo for version checking

backend/system/system.mobileApp.ts

@@ -2,7 +2,6 @@ import fs from "node:fs";
 import { Router } from "express";
 import path from "path";
 import { fileURLToPath } from "url";
-import { getConfig } from "@expo/config";
 
 const router = Router();
 
@@ -10,19 +9,22 @@ const __filename = fileURLToPath(import.meta.url);
 const __dirname = path.dirname(__filename);
 
 const downloadDir = path.resolve(__dirname, "../../downloads/mobile");
-const projectRoot = path.resolve("./lstMobile"); // adjust if needed
+const projectRoot = path.resolve("./lstMobile"); // adjust as needed
+const appJsonPath = path.join(projectRoot, "app.json");
 
-const { exp } = getConfig(projectRoot);
+const raw = fs.readFileSync(appJsonPath, "utf-8");
+const config = JSON.parse(raw);
+
+const exp = config.expo;
 
 const currentApk = {
-  packageName: exp.android?.package,
-  versionName: exp.version,
-  versionCode: exp.android?.versionCode,
-  minSupportedVersionCode: 1, // keep this custom if needed
-  fileName: "lst-mobile.apk",
+	packageName: exp.android?.package,
+	versionName: exp.version,
+	versionCode: exp.android?.versionCode,
+	minSupportedVersionCode: 1, // keep this custom if needed
+	fileName: "lst-mobile.apk",
 };
 
-
 router.get("/version", async (req, res) => {
 	const baseUrl = `${req.protocol}://${req.get("host")}`;