feat(account): 同步资料保存后的登录态

lib/core/data/services/auth_controller.dart

@@ -90,6 +90,20 @@ class AuthController extends ChangeNotifier {
     notifyListeners();
   }
 
+  /// 资料保存成功后同步登录态摘要，保留当前令牌。
+  Future<void> applyProfile(AuthUser user) async {
+    final current = _session;
+    if (current == null) return;
+    await _apply(
+      AuthSession(
+        accessToken: current.accessToken,
+        refreshToken: current.refreshToken,
+        expiresIn: current.expiresIn,
+        user: user,
+      ),
+    );
+  }
+
   Future<void> _apply(AuthSession session) async {
     _session = session;
     await _store.save(session);