feat(app): block selecting already-uploaded photos at picker tap (double-tap to force)
方案 A(选图点选拦截):multiImagePickerProvider 经 wechat_assets_picker 10.1.3 官方钩子 AssetPickerConfig.selectPredicate 挂 PickerDuplicateGate—— 点选「已上传到目标相册」的照片当场拦下(SnackBar 提示),再次点击同一张 强制选择(escape hatch)。 - MultiImagePicker typedef 增参 accountId/albumId(拦截判定范围=当前 目标相册;相册详情/连拍页两处调用点传入); - 判定口径同 checkDuplicatesUnified:本机 TaskStore(同账号+相册+ completed,filename+bytes)∪ 服务器单项预检(bytes;本机命中短路 服务器,点选延迟考量);任一半场异常按该半场无命中,fileSize 失败等 整体异常直接放行——enqueue 弹窗 + init 409 兜底不变; - per-asset 判定缓存(二次点击瞬回)+ 二次点击放行集;取消选择恒放行 且不预热放行集; - AssetEntity 事实适配(PickerAssetFact 测试接缝):fileSize 为 photo_manager 3.12 的 Future<int> 平台通道 getter(entity.dart:778), 惰性求值;title 为 String?(Android 恒有值;iOS 需 needTitle——null 时本机半场跳过,服务器按 bytes 仍可判); - l10n pickerDuplicateBlocked(zh/en);测试替身签名同步 (album_detail/capture_page 页测 + integration_test app_boot), 页测补 (accountId, albumId) 接线断言;gate 五态用例入 enqueue_test。 Co-Authored-By: Claude Code <noreply@anthropic.com>
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- Modify: `apps/mobile/lib/l10n/app_zh.arb`、`app_en.arb`(+pickerDuplicateBlocked)
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- Test: `apps/mobile/test/features/uploads/enqueue_test.dart`(gate 用例)、`test/pages/{album_detail_page,capture_page}_test.dart`、`integration_test/helpers/app_boot.dart`(替身签名)
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- [ ] **Step 1: 失败测试**(gate 五态:本机命中首次拒/二次放行;服务器单项命中拒;两路空放行;服务器异常放行;取消选择恒放行——用 ProviderScope override 注入 fake taskStore/apiClient)
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- [ ] **Step 2: 确认失败 → 实现**(先查 photo_manager AssetEntity 文件大小 API 与 title 语义)
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- [ ] **Step 3: 全绿**(flutter analyze + 全量 test)
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- [ ] **Step 4: Commit** `feat(app): block selecting already-uploaded photos at picker tap (double-tap to force)`
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- [x] **Step 1: 失败测试**(gate 五态:本机命中首次拒/二次放行;服务器单项命中拒;两路空放行;服务器异常放行;取消选择恒放行——用 ProviderScope override 注入 fake taskStore/apiClient)
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- [x] **Step 2: 确认失败 → 实现**(先查 photo_manager AssetEntity 文件大小 API 与 title 语义)
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- [x] **Step 3: 全绿**(flutter analyze + 全量 test)
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- [x] **Step 4: Commit** `feat(app): block selecting already-uploaded photos at picker tap (double-tap to force)`
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**风险与回退:** 谓词异步查询在点选瞬间有 ~100-300ms 延迟(有缓存后二次即瞬回);查询失败放行=最坏回到现状(弹窗+409 兜底);revert 单 commit 即回退。置灰视觉(方案 B)不在本次。
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