chore: 迁移依赖、移除sqlite3_flutter_libs并新增功能

1. 替换hive_flutter为hive_ce_flutter依赖
2. 从各平台插件列表移除sqlite3_flutter_libs
3. 重构API请求体格式，优化历史记录去重逻辑
4. 新增CTC笔记相关功能：桌面小部件、模板模型、本地存储
5. 新增表单收集服务和后台管理接口
6. 优化缓存配置、多语言文案和UI细节
7. 重构首页状态监听组件

lib/core/services/data/backup_service.dart

@@ -11,7 +11,7 @@ import 'dart:io';
 
 import 'package:archive/archive.dart';
 import 'package:crypto/crypto.dart';
-import 'package:hive_flutter/hive_flutter.dart';
+import 'package:hive_ce_flutter/hive_flutter.dart';
 
 import '../../storage/database/app_database.dart';
 import '../../storage/kv_storage.dart';

lib/core/services/data/image_cache_metadata_service.dart

@@ -9,7 +9,7 @@
 import 'dart:io';
 
 import 'package:flutter/foundation.dart' show kIsWeb;
-import 'package:hive_flutter/hive_flutter.dart';
+import 'package:hive_ce_flutter/hive_flutter.dart';
 import 'package:path_provider/path_provider.dart';
 
 import '../../storage/kv_storage.dart';

lib/core/services/data/settings_export_service.dart

@@ -10,7 +10,7 @@ import 'dart:convert';
 import 'dart:io';
 
 import 'package:flutter/foundation.dart' show kIsWeb;
-import 'package:hive_flutter/hive_flutter.dart';
+import 'package:hive_ce_flutter/hive_flutter.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:share_plus/share_plus.dart';
 

lib/core/services/device/calendar_service.dart

@@ -1,19 +1,18 @@
 /// ============================================================
 /// 闲言APP — 日历同步服务
 /// 创建时间: 2026-05-29
-/// 更新时间: 2026-06-06
+/// 更新时间: 2026-06-15
 /// 作用: 跨平台日历事件同步（Android/iOS/HarmonyOS/macOS/Windows）
-/// 上次更新: 鸿蒙端MethodChannel添加超时保护+MissingPluginException捕获+平台判断早期返回
+/// 上次更新: 迁移至 device_calendar_plus，适配新 API（DeviceCalendar 单例、CalendarPermissionStatus、listCalendars/createEvent/deleteEvent 新签名）
 /// ============================================================
 
 import 'dart:io';
 
 import 'dart:async';
 
-import 'package:device_calendar/device_calendar.dart';
+import 'package:device_calendar_plus/device_calendar_plus.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
-import 'package:timezone/timezone.dart' as tz;
 
 import 'package:xianyan/core/utils/logger.dart';
 import 'package:xianyan/core/utils/platform/platform_utils.dart' as pu;
@@ -43,7 +42,7 @@ class CalendarService {
   CalendarService._();
   static final CalendarService instance = CalendarService._();
 
-  final DeviceCalendarPlugin _plugin = DeviceCalendarPlugin();
+  final DeviceCalendar _plugin = DeviceCalendar.instance;
   String? _calendarId;
   bool _isAvailable = false;
 
@@ -79,11 +78,12 @@ class CalendarService {
         Log.w('CalendarService: 当前平台不支持日历');
         return false;
       }
-      final hasPermissions = await _plugin.hasPermissions();
-      if (hasPermissions.isSuccess && !hasPermissions.data!) {
+      final status = await _plugin.hasPermissions();
+      if (status != CalendarPermissionStatus.granted) {
         final result = await _plugin.requestPermissions();
-        if (!result.isSuccess || !result.data!) {
-          Log.w('CalendarService: 日历权限被拒绝');
+        if (result != CalendarPermissionStatus.granted &&
+            result != CalendarPermissionStatus.writeOnly) {
+          Log.w('CalendarService: 日历权限被拒绝 ($result)');
           return false;
         }
       }
@@ -122,23 +122,18 @@ class CalendarService {
 
   /// 确保闲言专属日历存在，不存在则创建
   Future<void> _ensureCalendar() async {
-    final calendars = await _plugin.retrieveCalendars();
-    if (calendars.isSuccess && calendars.data != null) {
-      final existing = calendars.data!.where(
-        (c) => c.name == '闲言' || c.name == 'Xianyan',
+    final calendars = await _plugin.listCalendars();
+    final existing = calendars.where(
+      (c) => c.name == '闲言' || c.name == 'Xianyan',
+    );
+    if (existing.isNotEmpty) {
+      _calendarId = existing.first.id;
+    } else {
+      final calendarId = await _plugin.createCalendar(
+        name: '闲言',
+        colorHex: '#007AFF',
       );
-      if (existing.isNotEmpty) {
-        _calendarId = existing.first.id;
-      } else {
-        final result = await _plugin.createCalendar(
-          '闲言',
-          calendarColor: const Color(0xFF007AFF),
-          localAccountName: '闲言APP',
-        );
-        if (result.isSuccess) {
-          _calendarId = result.data;
-        }
-      }
+      _calendarId = calendarId;
     }
   }
 
@@ -148,6 +143,7 @@ class CalendarService {
 
   /// 添加日历事件
   /// 鸿蒙端：通过_addEventOhos()桥接，通道未实现时返回false
+  /// 注意：device_calendar_plus 暂不支持 Reminder，reminderMinutesBefore 仅鸿蒙端生效
   Future<bool> addEvent(CalendarEvent event) async {
     // 鸿蒙端：直接走鸿蒙通道
     if (_isOhos()) {
@@ -160,31 +156,26 @@ class CalendarService {
     }
 
     try {
-      final local = tz.local;
-      final calendarEvent = Event(
-        _calendarId,
+      // device_calendar_plus 使用 createEvent 方法，无需手动构造 Event 对象
+      await _plugin.createEvent(
+        calendarId: _calendarId!,
         title: event.title,
+        startDate: event.start,
+        endDate: event.end,
         description: event.description,
-        start: tz.TZDateTime.from(event.start, local),
-        end: tz.TZDateTime.from(event.end, local),
         location: event.location,
       );
 
+      // device_calendar_plus 暂不支持 Reminder，记录提示
       if (event.reminderMinutesBefore != null) {
-        calendarEvent.reminders = [
-          Reminder(minutes: event.reminderMinutesBefore!),
-        ];
+        Log.w(
+          'CalendarService: device_calendar_plus 暂不支持 Reminder，'
+          'reminderMinutesBefore=${event.reminderMinutesBefore} 已忽略',
+        );
       }
 
-      final result = await _plugin.createOrUpdateEvent(calendarEvent);
-      if (result?.isSuccess == true) {
-        Log.i('CalendarService: 事件已添加 - ${event.title}');
-        return true;
-      }
-      Log.e(
-        'CalendarService: 添加事件失败 - ${result?.errors.map((e) => e.errorMessage)}',
-      );
-      return false;
+      Log.i('CalendarService: 事件已添加 - ${event.title}');
+      return true;
     } catch (e) {
       Log.e('CalendarService: 添加事件异常', e);
       return false;
@@ -216,10 +207,9 @@ class CalendarService {
 
   /// 删除日历事件
   Future<bool> deleteEvent(String eventId) async {
-    if (_calendarId == null) return false;
     try {
-      final result = await _plugin.deleteEvent(_calendarId!, eventId);
-      return result.isSuccess;
+      await _plugin.deleteEvent(eventId: eventId);
+      return true;
     } catch (e) {
       Log.e('CalendarService: 删除事件异常', e);
       return false;

lib/core/services/error/crash_monitor.dart

@@ -11,7 +11,7 @@ import 'dart:isolate';
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:hive_flutter/hive_flutter.dart';
+import 'package:hive_ce_flutter/hive_flutter.dart';
 
 import '../../utils/logger.dart';
 import '../../utils/platform/platform_utils.dart' as pu;

lib/core/services/feature/feature_flag_service.dart

@@ -11,7 +11,7 @@ import 'dart:convert';
 
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:hive_flutter/hive_flutter.dart';
+import 'package:hive_ce_flutter/hive_flutter.dart';
 
 import '../../network/api_client.dart';
 import '../../storage/kv_storage.dart';

lib/core/services/form/form_collect_service.dart

@@ -0,0 +1,82 @@
+/// ============================================================
+/// 闲言APP — 表单收集服务
+/// 创建时间: 2026-06-15
+/// 更新时间: 2026-06-15
+/// 作用: 调用 /api/form_collect/submit 提交表单信息（邮箱等）
+/// 上次更新: v6.73.0 初始版本
+/// ============================================================
+
+import '../../network/api_client.dart';
+import '../../utils/logger.dart';
+
+/// 表单来源标识
+enum FormCollectSource {
+  /// app.html Google Play内测
+  appGpBeta('app_gp_beta'),
+
+  /// 注册页面订阅闲言邮箱
+  registerSubscribe('register_subscribe'),
+
+  /// Beta页面问卷填写Gmail
+  betaQuestionnaire('beta_questionnaire');
+
+  const FormCollectSource(this.value);
+  final String value;
+}
+
+/// 表单收集服务
+class FormCollectService {
+  FormCollectService._();
+  static final FormCollectService instance = FormCollectService._();
+
+  static const String _submitPath = '/api/form_collect/submit';
+
+  /// 提交表单
+  ///
+  /// [email] 邮箱地址（必填）
+  /// [source] 来源标识（必填）
+  /// [uid] 用户ID（可选）
+  /// [extraJson] 扩展字段JSON字符串（可选）
+  /// [deviceId] 设备ID（可选）
+  ///
+  /// 返回 true 提交成功，false 提交失败
+  Future<bool> submit({
+    required String email,
+    required FormCollectSource source,
+    String? uid,
+    String? extraJson,
+    String? deviceId,
+  }) async {
+    try {
+      final data = <String, dynamic>{
+        'email': email,
+        'source': source.value,
+      };
+      if (uid != null && uid.isNotEmpty) data['uid'] = uid;
+      if (extraJson != null && extraJson.isNotEmpty) {
+        data['extra_json'] = extraJson;
+      }
+      if (deviceId != null && deviceId.isNotEmpty) {
+        data['device_id'] = deviceId;
+      }
+
+      final response = await ApiClient.instance.post<Map<String, dynamic>>(
+        _submitPath,
+        data: data,
+      );
+
+      final result = response.data;
+      final code = result?['code'];
+      if (code == 1) {
+        Log.d('FormCollect: 提交成功 source=${source.value} email=$email');
+        return true;
+      }
+
+      Log.w('FormCollect: 提交失败 code=$code msg=${result?['msg']}');
+      return false;
+    } catch (e) {
+      Log.e('FormCollect: 提交异常 $e');
+      return false;
+    }
+  }
+}