chore: finish frontend ESLint migration #18

Enable every plugin recommended preset and replace Biome with ESLint formatting.

Preserve API contracts and JSX whitespace; verify source, tests, builds and tooling.

src/features/auth/model/auth-context.ts

@@ -1,23 +1,24 @@
-import { createContext, useContext } from "react";
+import { createContext, use } from "react";
+
 import type { paths } from "@/shared/api";
 
-type User =
-	paths["/api/v1/auth/me"]["get"]["responses"][200]["content"]["application/json"];
 type AuthContextValue = {
-	user: User | null;
-	accessToken: string | null;
-	ready: boolean;
+	accessToken: string | undefined;
 	login: (email: string, password: string) => Promise<void>;
-	register: (email: string, password: string) => Promise<void>;
 	logout: () => Promise<void>;
+	ready: boolean;
 	refresh: () => Promise<boolean>;
+	register: (email: string, password: string) => Promise<void>;
+	user: undefined | User;
 };
-const AuthContext = createContext<AuthContextValue | null>(null);
+type User
+	= paths["/api/v1/auth/me"]["get"]["responses"][200]["content"]["application/json"];
+const AuthContext = createContext<AuthContextValue | undefined>(undefined);
 
 function useAuth() {
-	const context = useContext(AuthContext);
+	const context = use(AuthContext);
 	if (!context) throw new Error("AuthProvider is required");
 	return context;
 }
 
-export { AuthContext, type User, useAuth };
+export { AuthContext, useAuth, type User };