use getBackendUserCore for taskAvailability

website/src/pages/api/admin/status.ts

@@ -1,17 +1,14 @@
 import { getToken } from "next-auth/jwt";
 import { withRole } from "src/lib/auth";
 import { oasstApiClient } from "src/lib/oasst_api_client";
+import { getBackendUserCore } from "src/lib/users";
 
 /**
  * Returns tasks availability, stats, and tree manager stats.
  */
 const handler = withRole("admin", async (req, res) => {
   const token = await getToken({ req });
-  const currentUser = {
-    id: token.sub,
-    display_name: token.name,
-    auth_method: "local",
-  };
+  const currentUser = await getBackendUserCore(token.sub);
   const [tasksAvailabilityData, statsData, treeManagerData] = await Promise.all([
     oasstApiClient.fetch_tasks_availability(currentUser),
     oasstApiClient.fetch_stats(),