small fix, don't worry about it

lifetimer/lib/features/goals/application/goals_controller.dart

@@ -154,7 +154,11 @@ class GoalsState {
 }
 
 final goalsRepositoryProvider = Provider<GoalsRepository>((ref) {
-  return GoalsRepository(supabaseClient);
+  final client = supabaseClient;
+  if (client == null) {
+    throw Exception('Supabase not initialized - goals repository unavailable');
+  }
+  return GoalsRepository(client);
 });
 
 final goalsControllerProvider = StateNotifierProvider<GoalsController, GoalsState>((ref) {