feat(mobile): upload engine with preparation, batching states and retries

Co-Authored-By: Claude Code <noreply@anthropic.com>

apps/mobile/lib/l10n/app_en.arb

@@ -107,5 +107,15 @@
   "procUploaded": "Uploaded",
   "procProcessing": "Processing",
   "procReady": "Ready",
-  "procProcessingFailed": "Processing failed"
+  "procProcessingFailed": "Processing failed",
+  "queueStubHint": "Local upload queue and continuous capture arrive in Task 9",
+  "serverHistoryEntry": "View server upload history",
+  "serverHistoryTitle": "Server upload history",
+  "serverHistoryBanner": "Server-side history (cross-device) — for this device's pending uploads see the Queue tab",
+  "serverHistoryEmpty": "No upload sessions yet",
+  "uploadStatePending": "Pending",
+  "uploadStateConfirmed": "Confirmed",
+  "uploadStateCancelled": "Cancelled",
+  "uploadStateExpired": "Expired",
+  "thisDevice": "This device"
 }

apps/mobile/lib/l10n/app_localizations.dart

@@ -745,6 +745,66 @@ abstract class AppLocalizations {
   /// In zh, this message translates to:
   /// **'处理失败'**
   String get procProcessingFailed;
+
+  /// No description provided for @queueStubHint.
+  ///
+  /// In zh, this message translates to:
+  /// **'本机待传队列与连拍管理将在任务 9 上线'**
+  String get queueStubHint;
+
+  /// No description provided for @serverHistoryEntry.
+  ///
+  /// In zh, this message translates to:
+  /// **'查看服务端上传历史'**
+  String get serverHistoryEntry;
+
+  /// No description provided for @serverHistoryTitle.
+  ///
+  /// In zh, this message translates to:
+  /// **'服务端上传历史'**
+  String get serverHistoryTitle;
+
+  /// No description provided for @serverHistoryBanner.
+  ///
+  /// In zh, this message translates to:
+  /// **'服务端历史（跨设备）——本机待传队列请看「队列」页'**
+  String get serverHistoryBanner;
+
+  /// No description provided for @serverHistoryEmpty.
+  ///
+  /// In zh, this message translates to:
+  /// **'暂无上传记录'**
+  String get serverHistoryEmpty;
+
+  /// No description provided for @uploadStatePending.
+  ///
+  /// In zh, this message translates to:
+  /// **'待完成'**
+  String get uploadStatePending;
+
+  /// No description provided for @uploadStateConfirmed.
+  ///
+  /// In zh, this message translates to:
+  /// **'已确认'**
+  String get uploadStateConfirmed;
+
+  /// No description provided for @uploadStateCancelled.
+  ///
+  /// In zh, this message translates to:
+  /// **'已取消'**
+  String get uploadStateCancelled;
+
+  /// No description provided for @uploadStateExpired.
+  ///
+  /// In zh, this message translates to:
+  /// **'已过期'**
+  String get uploadStateExpired;
+
+  /// No description provided for @thisDevice.
+  ///
+  /// In zh, this message translates to:
+  /// **'本设备'**
+  String get thisDevice;
 }
 
 class _AppLocalizationsDelegate

apps/mobile/lib/l10n/app_localizations_en.dart

@@ -338,4 +338,36 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String get procProcessingFailed => 'Processing failed';
+
+  @override
+  String get queueStubHint =>
+      'Local upload queue and continuous capture arrive in Task 9';
+
+  @override
+  String get serverHistoryEntry => 'View server upload history';
+
+  @override
+  String get serverHistoryTitle => 'Server upload history';
+
+  @override
+  String get serverHistoryBanner =>
+      'Server-side history (cross-device) — for this device\'s pending uploads see the Queue tab';
+
+  @override
+  String get serverHistoryEmpty => 'No upload sessions yet';
+
+  @override
+  String get uploadStatePending => 'Pending';
+
+  @override
+  String get uploadStateConfirmed => 'Confirmed';
+
+  @override
+  String get uploadStateCancelled => 'Cancelled';
+
+  @override
+  String get uploadStateExpired => 'Expired';
+
+  @override
+  String get thisDevice => 'This device';
 }

apps/mobile/lib/l10n/app_localizations_zh.dart

@@ -331,4 +331,34 @@ class AppLocalizationsZh extends AppLocalizations {
 
   @override
   String get procProcessingFailed => '处理失败';
+
+  @override
+  String get queueStubHint => '本机待传队列与连拍管理将在任务 9 上线';
+
+  @override
+  String get serverHistoryEntry => '查看服务端上传历史';
+
+  @override
+  String get serverHistoryTitle => '服务端上传历史';
+
+  @override
+  String get serverHistoryBanner => '服务端历史（跨设备）——本机待传队列请看「队列」页';
+
+  @override
+  String get serverHistoryEmpty => '暂无上传记录';
+
+  @override
+  String get uploadStatePending => '待完成';
+
+  @override
+  String get uploadStateConfirmed => '已确认';
+
+  @override
+  String get uploadStateCancelled => '已取消';
+
+  @override
+  String get uploadStateExpired => '已过期';
+
+  @override
+  String get thisDevice => '本设备';
 }

apps/mobile/lib/l10n/app_zh.arb

@@ -107,5 +107,15 @@
   "procUploaded": "已上传",
   "procProcessing": "处理中",
   "procReady": "就绪",
-  "procProcessingFailed": "处理失败"
+  "procProcessingFailed": "处理失败",
+  "queueStubHint": "本机待传队列与连拍管理将在任务 9 上线",
+  "serverHistoryEntry": "查看服务端上传历史",
+  "serverHistoryTitle": "服务端上传历史",
+  "serverHistoryBanner": "服务端历史（跨设备）——本机待传队列请看「队列」页",
+  "serverHistoryEmpty": "暂无上传记录",
+  "uploadStatePending": "待完成",
+  "uploadStateConfirmed": "已确认",
+  "uploadStateCancelled": "已取消",
+  "uploadStateExpired": "已过期",
+  "thisDevice": "本设备"
 }