feat(android): add attachment pending banner on boxing page

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

lib/pages/boxing/parts/boxing_scan_part.dart

@@ -71,6 +71,13 @@ extension _BoxingScanPart on _BoxingPageState {
           : FeedbackEvent.scanValid,
     );
 
+    final attSummary = result.attachmentSummary;
+    final pending =
+        attSummary != null &&
+        attSummary['determination'] == 'has' &&
+        attSummary['all_complete'] != true;
+    final pendingCount = attSummary?['pending_count'] as int? ?? 0;
+
     setState(() {
       _zongpaiNo = zongpai;
       _paichanNo = result.paichanNo;
@@ -87,6 +94,8 @@ extension _BoxingScanPart on _BoxingPageState {
       _deletingAssignedItemId = null;
       _completedJumpBoxNo = null;
       _statusOverrideText = null;
+      _attachmentPending = pending;
+      _attachmentPendingCount = pendingCount;
       if (_mode == BoxingMode.singleCode) {
         _paichanSwitchNotice = null;
       }

lib/pages/boxing/widgets/boxing_notice_banners.dart

@@ -12,6 +12,8 @@ class BoxingNoticeBanners extends StatelessWidget {
   final int remainingQuantity;
   final String? zongpaiNo;
   final int? completedJumpBoxNo;
+  final bool attachmentPending;
+  final int attachmentPendingCount;
   final VoidCallback onJumpToCompletedBox;
 
   const BoxingNoticeBanners({
@@ -26,6 +28,8 @@ class BoxingNoticeBanners extends StatelessWidget {
     required this.remainingQuantity,
     required this.zongpaiNo,
     required this.completedJumpBoxNo,
+    this.attachmentPending = false,
+    this.attachmentPendingCount = 0,
     required this.onJumpToCompletedBox,
   });
 
@@ -76,6 +80,21 @@ class BoxingNoticeBanners extends StatelessWidget {
         ),
       );
     }
+    if (attachmentPending) {
+      banners.add(
+        _NoticeBanner(
+          icon: Icon(
+            Icons.warning_amber,
+            size: 14,
+            color: Colors.amber.shade900,
+          ),
+          text: '本单有附件，尚未到齐（剩 $attachmentPendingCount 种）',
+          background: Colors.amber.shade50,
+          foreground: Colors.amber.shade900,
+          border: Colors.amber.shade200,
+        ),
+      );
+    }
     if (isDuplicateBoxNo && phase == BoxingPhase.scanned) {
       banners.add(
         _NoticeBanner(

lib/pages/boxing_page.dart

@@ -118,6 +118,10 @@ class _BoxingPageState extends State<BoxingPage> with WidgetsBindingObserver {
   // ignore: unused_field -- already boxed qty for this category (later task)
   int? _attachmentBoxedQty;
 
+  /// Whether to show the attachment-pending banner.
+  bool _attachmentPending = false;
+  int _attachmentPendingCount = 0;
+
   @override
   void initState() {
     super.initState();
@@ -265,6 +269,8 @@ class _BoxingPageState extends State<BoxingPage> with WidgetsBindingObserver {
     _attachmentCategoryName = null;
     _attachmentExpectedQty = null;
     _attachmentBoxedQty = null;
+    _attachmentPending = false;
+    _attachmentPendingCount = 0;
   }
 
   // === 重复箱号检测 ===
@@ -388,6 +394,8 @@ class _BoxingPageState extends State<BoxingPage> with WidgetsBindingObserver {
               remainingQuantity: _remainingQuantity,
               zongpaiNo: _zongpaiNo,
               completedJumpBoxNo: _completedJumpBoxNo,
+              attachmentPending: _attachmentPending,
+              attachmentPendingCount: _attachmentPendingCount,
               onJumpToCompletedBox: () => this._jumpToCompletedBox(),
             ),
 

lib/services/api_service.dart

@@ -195,6 +195,7 @@ class BoxInfoResult {
   final List<BoxDetailData> existingBoxes;
   final int maxBoxNo;
   final int suggestedBoxNo;
+  final Map<String, dynamic>? attachmentSummary;
 
   BoxInfoResult({
     required this.success,
@@ -207,6 +208,7 @@ class BoxInfoResult {
     this.existingBoxes = const [],
     this.maxBoxNo = 0,
     this.suggestedBoxNo = 1,
+    this.attachmentSummary,
   });
 
   factory BoxInfoResult.ok(Map<String, dynamic> json) {
@@ -232,6 +234,7 @@ class BoxInfoResult {
       existingBoxes: boxes,
       maxBoxNo: json['max_box_no'] as int? ?? 0,
       suggestedBoxNo: json['suggested_box_no'] as int? ?? 1,
+      attachmentSummary: json['attachment_summary'] as Map<String, dynamic>?,
     );
   }