fix: stabilize auth and home error flows

lib/screens/home_edit_screen.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../app/error_message.dart';
 import '../models/home_config.dart';
 import '../providers/providers.dart';
 import '../services/api_client.dart';
@@ -321,7 +322,7 @@ class _HomeEditScreenState extends ConsumerState<HomeEditScreen> {
 
       final currentHome = ref.read(currentHomeProvider);
       if (currentHome?.id == home.id) {
-        await ref.read(currentHomeProvider.notifier).switchTo(home);
+        await ref.read(currentHomeProvider.notifier).select(home);
       }
 
       // Синхронизировать фоновый таск с новыми настройками
@@ -331,9 +332,13 @@ class _HomeEditScreenState extends ConsumerState<HomeEditScreen> {
       if (mounted) Navigator.of(context).pop();
     } catch (e) {
       if (mounted) {
-        ScaffoldMessenger.of(
-          context,
-        ).showSnackBar(SnackBar(content: Text('Не удалось проверить дом: $e')));
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text(
+              'Не удалось сохранить дом: ${describeLoadError(e)}',
+            ),
+          ),
+        );
       }
     } finally {
       if (mounted) setState(() => _saving = false);