chore: clean .gitignore cache

frontend/src/hooks/useAuth.ts

@@ -0,0 +1,10 @@
+import { useContext } from 'react';
+import { AuthContext } from '../context/AuthContextValue';
+
+export const useAuth = () => {
+  const context = useContext(AuthContext);
+  if (context === undefined) {
+    throw new Error('useAuth must be used within an AuthProvider');
+  }
+  return context;
+};