refactor: align frontend ownership boundaries

Close audit gaps across API drift, query policy, UI, and tests.

src/features/auth/model/auth.tsx

@@ -8,8 +8,7 @@ import {
 	useRef,
 	useState,
 } from "react";
-import { apiClient, configureAuthClient } from "@/shared/api";
-import type { paths } from "@/shared/api/generated/schema";
+import { apiClient, configureAuthClient, type paths } from "@/shared/api";
 
 type User =
 	paths["/api/v1/auth/me"]["get"]["responses"][200]["content"]["application/json"];