refactor: merge profile cache into unified cache repository

apps/lib/features/settings/data/services/settings_user_cache.dart

@@ -1,49 +1,30 @@
+import 'dart:async';
+
 import '../../../users/data/models/user_response.dart';
+import 'user_profile_cache_repository.dart';
 
 class SettingsUserCache {
+  final UserProfileCacheRepository _repository;
+
+  SettingsUserCache(this._repository);
+
   UserResponse? _cachedUser;
-  Future<UserResponse>? _inflight;
-  int _generation = 0;
 
   UserResponse? get cachedUser => _cachedUser;
 
-  Future<UserResponse> getOrLoad(Future<UserResponse> Function() loader) {
-    final cached = _cachedUser;
-    if (cached != null) {
-      return Future<UserResponse>.value(cached);
-    }
-
-    final inflight = _inflight;
-    if (inflight != null) {
-      return inflight;
-    }
-
-    final generation = _generation;
-    late final Future<UserResponse> request;
-    request = loader()
-        .then((user) {
-          if (generation == _generation) {
-            _cachedUser = user;
-          }
-          return user;
-        })
-        .whenComplete(() {
-          if (identical(_inflight, request)) {
-            _inflight = null;
-          }
-        });
-
-    _inflight = request;
-    return request;
+  Future<UserResponse> getProfile({bool forceRefresh = false}) async {
+    final user = await _repository.getProfile(forceRefresh: forceRefresh);
+    _cachedUser = user;
+    return user;
   }
 
   void set(UserResponse user) {
     _cachedUser = user;
+    unawaited(_repository.setCached(user));
   }
 
   void invalidate() {
-    _generation += 1;
     _cachedUser = null;
-    _inflight = null;
+    unawaited(_repository.invalidate());
   }
 }