新增：媒体上传客户端——MediaUploader 编排状态机 + 预签名直传 + 进度组件，修正 media 端点误挂 community 服务（T3-13）
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CI / flutter-gates (push) Successful in 2m30s
- MediaUploader：选图→压缩（80→60 降质阶梯，10 MiB 超限拒绝）→createUpload →预签名 PUT 直传（进度回调）→confirm→ready assetId 交付；并发槽位 2、 顺序即 position、单图失败不拖垮整批；凭据过期预检与存储侧 403 各自动 换新凭据一次；失败重试复用压缩产物、从 createUpload 全新开始 - 孤儿防护：未 confirm 的 assetId 只以管线局部变量存在，快照 assetId 与 ready 态断言绑定，buildAttachRequests 非全员 ready 即抛 StateError - 线路修正：media 两步上传端点由 user 服务（:8082 MediaController）提供, T3-12 误挂 community 客户端（:8084 无 media 路由），补 mediaApi 分端口 直连，compose 真链路实测证实 - UploadProgressOverlay 四态进度层（05 号规范 §3.3）；直传层本地 HttpServer 三线路测试（200/403/断连）；compose 冒烟测试 （PATBOND_MEDIA_SMOKE=1 启用，默认跳过） - 新依赖：image_picker、flutter_image_compress（03 号评估选型） - flutter test 379 全绿（基线 347，+32）、analyze 0、format 无 diff Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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import 'dart:async';
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import 'dart:convert';
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import 'dart:io';
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import 'package:dio/dio.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:patbond_flutter/core/network/api_client.dart';
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import 'package:patbond_flutter/core/network/token_refresher.dart';
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import 'package:patbond_flutter/features/auth/auth_models.dart';
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import 'package:patbond_flutter/features/auth/session_manager.dart';
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import 'package:patbond_flutter/features/community/community_models.dart';
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import 'package:patbond_flutter/features/community/community_repository.dart';
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import 'package:patbond_flutter/features/community/media_compression.dart';
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import 'package:patbond_flutter/features/community/media_picking.dart';
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import 'package:patbond_flutter/features/community/media_uploader.dart';
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import 'package:uuid/uuid.dart';
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import '../helpers/auth_test_helpers.dart';
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/// T3-13 compose 真链路冒烟（默认跳过，不计入常规测试套件）：
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///
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/// ```bash
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/// # 先起后端六容器（patbond-api 仓库根）：
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/// # ./deploy/init-secrets.sh
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/// # JAVA_HOME=<JDK17> ./mvnw -DskipTests package && docker compose up -d --build
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/// PATBOND_MEDIA_SMOKE=1 flutter test test/smoke/media_upload_smoke_test.dart
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/// ```
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///
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/// 驱动**真实 MediaUploader** 走完整链路：注册取 token → createUpload
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/// （user :8082）→ 预签名 PUT 直传 MinIO（:9000）→ confirm → ready
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/// assetId → 引用发帖（community :8084）→ 预签名 GET 取回字节一致。
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/// 压缩层用透传实现（flutter test VM 无原生编解码通道），其余全为生产实现。
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void main() {
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final enabled = Platform.environment['PATBOND_MEDIA_SMOKE'] == '1';
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final env = Platform.environment;
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final authBase = env['PATBOND_SMOKE_AUTH_BASE'] ?? 'http://127.0.0.1:8081';
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final userBase = env['PATBOND_SMOKE_USER_BASE'] ?? 'http://127.0.0.1:8082';
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final communityBase =
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env['PATBOND_SMOKE_COMMUNITY_BASE'] ?? 'http://127.0.0.1:8084';
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// 1x1 PNG（67 字节，合法图片本体；mime 声明与直传 Content-Type 一致）。
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final pngBytes = base64Decode(
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'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mP8'
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'z8BQDwAEhQGAhKmMIQAAAABJRU5ErkJggg==',
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);
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test(
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'选图→压缩→createUpload→直传→confirm→ready→引用发帖→GET 回读',
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() async {
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// ---- 注册测试账号（一次性，随机凭据，不落任何持久化）----
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final dio = Dio(BaseOptions(validateStatus: (_) => true));
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final seed = DateTime.now().millisecondsSinceEpoch;
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final register = await dio.post<Map<String, dynamic>>(
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'$authBase/api/v1/auth/register',
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data: {
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'username': 'smoke$seed',
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'phone': '+86139${(seed % 100000000).toString().padLeft(8, '0')}',
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'password': 'Smoke1234!$seed',
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},
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options: Options(
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headers: {
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'Idempotency-Key': const Uuid().v4(),
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'X-Device-Id': const Uuid().v4(),
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},
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),
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);
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expect(register.data?['code'], 0, reason: '注册失败：${register.data}');
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final session = SessionManager(store: InMemoryTokenStore());
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await session.updateTokens(
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AuthTokens.fromJson(register.data!['data'] as Map<String, dynamic>),
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);
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final refresher = TokenRefresher(
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dio: buildPatbondDio(session: session, baseUrl: authBase),
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session: session,
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);
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final repository = ApiCommunityRepository(
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api: ApiClient(
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dio: buildPatbondDio(session: session, baseUrl: communityBase),
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session: session,
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refresher: refresher,
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),
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mediaApi: ApiClient(
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dio: buildPatbondDio(session: session, baseUrl: userBase),
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session: session,
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refresher: refresher,
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),
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);
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// ---- 真实 MediaUploader 全链路 ----
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final uploader = MediaUploader(
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repository: repository,
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compressor: _PassthroughPngCompressor(),
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);
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final done = Completer<void>();
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uploader.addListener(() {
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if (done.isCompleted) return;
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if (uploader.allReady) done.complete();
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if (uploader.hasFailure) {
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done.completeError(
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StateError('上传失败：${uploader.items.single.errorMessage}'),
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);
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}
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});
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uploader.addImages([
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PickedMediaImage(bytes: pngBytes, name: 'smoke.png'),
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]);
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await done.future.timeout(const Duration(seconds: 60));
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final item = uploader.items.single;
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expect(item.phase, MediaItemPhase.ready);
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expect(item.assetId, isNotEmpty);
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// ---- ready assetId 引用发帖（孤儿防护出口）+ 预签名 GET 回读 ----
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final post = await repository.createPost(
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CreatePostRequest(
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content: 'T3-13 媒体上传冒烟 $seed',
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status: PostStatus.published,
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media: uploader.buildAttachRequests(),
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),
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);
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expect(post.media.single.assetId, item.assetId);
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final fetched = await dio.get<List<int>>(
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post.media.single.url,
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options: Options(responseType: ResponseType.bytes),
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);
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expect(fetched.statusCode, 200);
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expect(fetched.data, pngBytes, reason: '预签名 GET 回读字节应与上传一致');
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// 收尾：删除冒烟帖（asset 服务端软删语义随帖处理）。
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await repository.deletePost(post.id);
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},
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skip: enabled ? false : '需 compose 后端在位，PATBOND_MEDIA_SMOKE=1 时执行',
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timeout: const Timeout(Duration(minutes: 3)),
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);
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}
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/// 透传压缩器：原样输出字节并声明 image/png（仅冒烟用——测试 VM 无
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/// flutter_image_compress 平台通道；生产走 NativeMediaImageCompressor）。
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class _PassthroughPngCompressor implements MediaImageCompressor {
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@override
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Future<CompressedMediaImage> compress(
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PickedMediaImage source, {
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required int quality,
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}) async => CompressedMediaImage(bytes: source.bytes, mimeType: 'image/png');
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}
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