feat(chat): 发收消息全量实现 (#25~#28)
- 移除 @riverpod/@freezed 注解依赖,全部改为手写 Provider(无需 build_runner) · LoginState 改为纯 Dart,LoginViewModel/ThemeViewModel/ChatViewModel 改为 Notifier · UserNotifier 改为 FamilyAsyncNotifier<User?,int>,mini_app_provider 改为手写 Provider · 15 个 StreamProvider/StreamProvider.family 从 @riverpod 迁移至手写 - 发送消息(#25) · SendMessageRequest/SendMessageResponse DTO · SendMessageUseCase:乐观写入 DB → HTTP POST → 更新 Chat 摘要 - 接收消息 WS(#26) · WsMessageService:监听 mode2 WS 帧 → HTTP 补拉 → DB 写入 → Chat 更新 · FetchHistoryRequest/FetchHistoryResponse DTO(GET /app/api/chat/history) · FetchHistoryUseCase:拉取 → insertOrReplaceAll - DI 装配(chat_service_providers.dart) · wsMessageServiceProvider、sendMessageUseCaseProvider、fetchHistoryUseCaseProvider - 聊天列表页(#27) · ChatListViewModel(Notifier<void>)+ chat_page.dart 真实会话列表 UI · ListTile:头像首字母、最新消息摘要、未读角标、时间格式化 - 聊天详情页(#28) · ChatDetailViewModel(FamilyNotifier<ChatDetailState,int>)+ chat_detail_page.dart · 消息气泡(自己/他人分左右)、底部输入框、发送状态与错误提示 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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@@ -1,29 +1,11 @@
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import 'package:flutter/material.dart';
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import 'package:riverpod_annotation/riverpod_annotation.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:im_app/app/di/app_providers.dart';
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import 'package:im_app/features/settings/di/settings_providers.dart';
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part 'theme_view_model.g.dart';
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/// 主题 ViewModel
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///
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/// View 层只感知此 ViewModel,不直接依赖 app 级 Provider。
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///
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/// ## 数据流
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///
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/// ```
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/// ThemeView
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/// → ref.watch(themeViewModelProvider) ← 当前 ThemeMode
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/// → ref.read(themeViewModelProvider.notifier).setMode(mode)
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/// → ★ ThemeViewModel.setMode() ★ ← 你在这里
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/// → SetThemeUseCase.execute()
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/// → 幂等校验(相同模式直接返回)
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/// → onApply → ThemeModeNotifier.setMode() ← 更新内存状态
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/// → TODO: 持久化(storage_sdk)
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/// ```
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@riverpod
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class ThemeViewModel extends _$ThemeViewModel {
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/// 主题 ViewModel(手动 NotifierProvider)
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class ThemeViewModel extends Notifier<ThemeMode> {
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@override
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ThemeMode build() => ref.watch(themeModeProvider);
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@@ -35,3 +17,6 @@ class ThemeViewModel extends _$ThemeViewModel {
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);
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}
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}
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final themeViewModelProvider =
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NotifierProvider<ThemeViewModel, ThemeMode>(ThemeViewModel.new);
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