修改名字接口

lib/features/v2/device_list/presentation/cubit/rename_device_cubit.dart

@@ -0,0 +1,61 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+import '../../domain/usecases/update_device_alias_usecase.dart';
+import 'rename_device_state.dart';
+
+/// 设备改名 Cubit
+///
+/// 调用链：UI → RenameDeviceCubit → UpdateDeviceAliasUseCase → Repository → DataSource，
+/// 页面不再直接依赖用例或数据源。
+class RenameDeviceCubit extends Cubit<RenameDeviceState> {
+  final UpdateDeviceAliasUseCase _updateDeviceAlias;
+
+  RenameDeviceCubit(this._updateDeviceAlias) : super(const RenameDeviceState());
+
+  /// 下发修改设备别名（后端只写 deviceAlias，deviceName 保持不变）
+  Future<void> rename({required String deviceId, required String alias}) async {
+    if (state.isSubmitting) return;
+
+    emit(
+      RenameDeviceState(
+        isSubmitting: true,
+        deviceId: deviceId,
+        alias: alias,
+      ),
+    );
+
+    final result = await _updateDeviceAlias.execute(
+      deviceId: deviceId,
+      deviceAlias: alias,
+    );
+
+    result.fold(
+      (failure) => emit(
+        RenameDeviceState(
+          errorMessage: failure.message,
+          deviceId: deviceId,
+          alias: alias,
+        ),
+      ),
+      (updated) => emit(
+        updated
+            ? RenameDeviceState(
+                isSuccess: true,
+                deviceId: deviceId,
+                alias: alias,
+              )
+            : RenameDeviceState(
+                errorMessage: '',
+                deviceId: deviceId,
+                alias: alias,
+              ),
+      ),
+    );
+  }
+
+  /// 结果已被界面消费，复位避免重复弹提示
+  void reset() {
+    if (state.isSubmitting) return;
+    emit(const RenameDeviceState());
+  }
+}

lib/features/v2/device_list/presentation/cubit/rename_device_state.dart

@@ -0,0 +1,39 @@
+import 'package:equatable/equatable.dart';
+
+/// 设备改名（写 deviceAlias）提交状态
+///
+/// 一次性结果用 [isSuccess] / [errorMessage] 表达：
+/// [errorMessage] 非 null 即失败，空串表示只知失败、文案由 UI 套本地化提示。
+class RenameDeviceState extends Equatable {
+  /// 请求进行中（用于拦截重复提交）
+  final bool isSubmitting;
+
+  /// 后端已成功写入 deviceAlias
+  final bool isSuccess;
+
+  /// 失败原因；null 表示尚无结果
+  final String? errorMessage;
+
+  /// 本次操作的设备 ID
+  final String? deviceId;
+
+  /// 本次提交的新别名
+  final String? alias;
+
+  const RenameDeviceState({
+    this.isSubmitting = false,
+    this.isSuccess = false,
+    this.errorMessage,
+    this.deviceId,
+    this.alias,
+  });
+
+  @override
+  List<Object?> get props => [
+    isSubmitting,
+    isSuccess,
+    errorMessage,
+    deviceId,
+    alias,
+  ];
+}

lib/features/v2/device_list/presentation/widgets/rename_device_dialog.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:maibu_satabot_v2/core/localization/app_localizations.dart';
 
 /// 修改设备名称（设计稿：设备卡片铅笔图标 → 底部弹窗）
 ///
@@ -63,8 +64,18 @@ class _RenameDeviceSheetState extends State<_RenameDeviceSheet> {
   static const Color _fieldBorder = Color(0xFFDCEBFA);
   static const Color _divider = Color(0xFFF0F4FA);
 
-  /// 快捷命名（最后一项是「自定义」：清空输入，自由填写）
-  static const List<String> _presets = ['1号机', '2号机', '北区', '南区', '测试车', '自定义'];
+  /// 快捷命名代码（最后一项 custom：清空输入，自由填写）
+  static const List<String> _presetKeys = [
+    'preset_1',
+    'preset_2',
+    'preset_north',
+    'preset_south',
+    'preset_test',
+    'preset_custom',
+  ];
+
+  static String _presetLabel(AppLocalizations l10n, String key) =>
+      l10n.translate('device_list_v2.$key');
 
   late final TextEditingController _controller = TextEditingController(
     text: widget.currentName,
@@ -104,10 +115,11 @@ class _RenameDeviceSheetState extends State<_RenameDeviceSheet> {
   }
 
   /// 快捷命名：前五项作为名称填入（可继续编辑），自定义则清空待输入
-  void _applyPreset(String preset) {
+  void _applyPreset(String key) {
+    final label = _presetLabel(AppLocalizations.of(context), key);
     setState(() {
       _empty = false;
-      _controller.text = preset == '自定义' ? '' : preset;
+      _controller.text = key == 'preset_custom' ? '' : label;
       _controller.selection = TextSelection.collapsed(
         offset: _controller.text.length,
       );
@@ -117,6 +129,7 @@ class _RenameDeviceSheetState extends State<_RenameDeviceSheet> {
 
   @override
   Widget build(BuildContext context) {
+    final l10n = AppLocalizations.of(context);
     final keyboard = MediaQuery.of(context).viewInsets.bottom;
     return Container(
       decoration: const BoxDecoration(
@@ -141,9 +154,9 @@ class _RenameDeviceSheetState extends State<_RenameDeviceSheet> {
                 const SizedBox(height: 16),
                 const Divider(height: 1, thickness: 0.6, color: _divider),
                 const SizedBox(height: 16),
-                const Text(
-                  '设备名称',
-                  style: TextStyle(
+                Text(
+                  l10n.translate('device_list_v2.rename_label'),
+                  style: const TextStyle(
                     fontSize: 13.5,
                     fontWeight: FontWeight.w700,
                     color: _navy,
@@ -154,24 +167,26 @@ class _RenameDeviceSheetState extends State<_RenameDeviceSheet> {
                 const SizedBox(height: 8),
                 Text(
                   _empty
-                      ? '名称不能为空'
-                      : '支持中文、英文、数字和常用符号，建议 1-${widget.maxLength} 个字符',
+                      ? l10n.translate('device_list_v2.rename_empty')
+                      : l10n
+                            .translate('device_list_v2.rename_hint')
+                            .replaceAll('%s', '${widget.maxLength}'),
                   style: TextStyle(
                     fontSize: 11.5,
                     color: _empty ? _danger : _hint,
                   ),
                 ),
                 const SizedBox(height: 16),
-                const Text(
-                  '快捷命名',
-                  style: TextStyle(
+                Text(
+                  l10n.translate('device_list_v2.rename_quick'),
+                  style: const TextStyle(
                     fontSize: 13.5,
                     fontWeight: FontWeight.w700,
                     color: _navy,
                   ),
                 ),
                 const SizedBox(height: 10),
-                _buildPresets(),
+                _buildPresets(l10n),
                 const SizedBox(height: 20),
                 _buildActions(),
                 const SizedBox(height: 12),
@@ -201,12 +216,14 @@ class _RenameDeviceSheetState extends State<_RenameDeviceSheet> {
   Widget _buildHeader() {
     return Row(
       children: [
-        const Expanded(
+        Expanded(
           child: Text(
-            '修改设备名称',
+            AppLocalizations.of(
+              context,
+            ).translate('device_list_v2.rename_title'),
             maxLines: 1,
             overflow: TextOverflow.ellipsis,
-            style: TextStyle(
+            style: const TextStyle(
               fontSize: 20,
               fontWeight: FontWeight.w800,
               color: _navy,
@@ -333,14 +350,16 @@ class _RenameDeviceSheetState extends State<_RenameDeviceSheet> {
                     color: _navy,
                   ),
                   cursorColor: _blue,
-                  decoration: const InputDecoration(
+                  decoration: InputDecoration(
                     isDense: true,
                     border: InputBorder.none,
                     enabledBorder: InputBorder.none,
                     focusedBorder: InputBorder.none,
-                    contentPadding: EdgeInsets.symmetric(vertical: 16),
-                    hintText: '请输入设备名称',
-                    hintStyle: TextStyle(fontSize: 16, color: _hint),
+                    contentPadding: const EdgeInsets.symmetric(vertical: 16),
+                    hintText: AppLocalizations.of(
+                      context,
+                    ).translate('device_list_v2.rename_field_hint'),
+                    hintStyle: const TextStyle(fontSize: 16, color: _hint),
                   ),
                 ),
               ),
@@ -372,14 +391,14 @@ class _RenameDeviceSheetState extends State<_RenameDeviceSheet> {
   }
 
   /// 快捷命名胶囊
-  Widget _buildPresets() {
+  Widget _buildPresets(AppLocalizations l10n) {
     return Wrap(
       spacing: 8,
       runSpacing: 8,
       children: [
-        for (final p in _presets)
+        for (final key in _presetKeys)
           GestureDetector(
-            onTap: () => _applyPreset(p),
+            onTap: () => _applyPreset(key),
             behavior: HitTestBehavior.opaque,
             child: Container(
               padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 9),
@@ -389,7 +408,7 @@ class _RenameDeviceSheetState extends State<_RenameDeviceSheet> {
                 border: Border.all(color: _fieldBorder),
               ),
               child: Text(
-                p,
+                _presetLabel(l10n, key),
                 style: const TextStyle(
                   fontSize: 13,
                   fontWeight: FontWeight.w600,
@@ -416,9 +435,11 @@ class _RenameDeviceSheetState extends State<_RenameDeviceSheet> {
                 color: _softBlue,
                 borderRadius: BorderRadius.circular(14),
               ),
-              child: const Text(
-                '取消',
-                style: TextStyle(
+              child: Text(
+                AppLocalizations.of(
+                  context,
+                ).translate('device_list_v2.action_cancel'),
+                style: const TextStyle(
                   fontSize: 16,
                   fontWeight: FontWeight.w700,
                   color: _blue,
@@ -446,9 +467,11 @@ class _RenameDeviceSheetState extends State<_RenameDeviceSheet> {
                   ),
                 ],
               ),
-              child: const Text(
-                '保存',
-                style: TextStyle(
+              child: Text(
+                AppLocalizations.of(
+                  context,
+                ).translate('device_list_v2.action_save'),
+                style: const TextStyle(
                   fontSize: 16,
                   fontWeight: FontWeight.w700,
                   color: Colors.white,
@@ -469,7 +492,9 @@ class _RenameDeviceSheetState extends State<_RenameDeviceSheet> {
         const SizedBox(width: 6),
         Flexible(
           child: Text(
-            '仅修改显示名称，不影响 SN、绑定关系和设备权限',
+            AppLocalizations.of(
+              context,
+            ).translate('device_list_v2.rename_footer'),
             textAlign: TextAlign.center,
             style: const TextStyle(fontSize: 11.5, color: _hint),
           ),