chore: release v1.0.40

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

client/lib/core/utils/print_util_stub.dart

@@ -194,6 +194,7 @@ double _fitFont(String s, double maxW, double maxH, bool bold, double cap) {
 Future<ui.Image> _renderLabelBitmap({
   required String shop,
   required String name,
+  required String code,
   required String degSpec,
   required String date,
   required Uint8List qrBytes,
@@ -226,9 +227,11 @@ Future<ui.Image> _renderLabelBitmap({
   // 左侧文字（无字段名标签）：按行等比分配高度铺满，字号自适应填充
   const lx = 22.0;
   const textMaxW = qrLeft - lx - 6; // 164
+  final codeText = code.isNotEmpty ? '编号：$code' : '';
   final rows = <(String, double, bool)>[
     (shop, 0.9, true),
     (name, 1.5, true),
+    if (codeText.isNotEmpty) (codeText, 1.0, false),
     if (degSpec.isNotEmpty) (degSpec, 1.05, false),
     if (date.isNotEmpty) (date, 1.0, false),
   ];
@@ -253,6 +256,7 @@ Future<ui.Image> _renderLabelBitmap({
 Future<bool> _printFlatLabelThermal({
   required String shop,
   required String name,
+  required String code,
   required String degSpec,
   required String date,
   required Uint8List qrBytes,
@@ -265,7 +269,7 @@ Future<bool> _printFlatLabelThermal({
 
   const w = 320, h = 160;
   final img = await _renderLabelBitmap(
-      shop: shop, name: name, degSpec: degSpec, date: date, qrBytes: qrBytes);
+      shop: shop, name: name, code: code, degSpec: degSpec, date: date, qrBytes: qrBytes);
   final bd = await img.toByteData(format: ui.ImageByteFormat.rawRgba);
   final rgba = bd!.buffer.asUint8List();
 
@@ -332,6 +336,7 @@ Future<void> printProductLabelImpl({
   if (await _printFlatLabelThermal(
       shop: shopName,
       name: name,
+      code: code,
       degSpec: degSpecVal,
       date: dateVal == '—' ? '' : dateVal, // 无生产日期(商品详情)则不显示该行
       qrBytes: qrBytes,
@@ -398,6 +403,12 @@ Future<void> printProductLabelImpl({
                               fontWeight: pw.FontWeight.bold,
                               color: _ink, letterSpacing: 0.3)),
                       pw.SizedBox(height: 2.5),
+                      // 商品编号（度数上方）
+                      if (code.isNotEmpty) ...[
+                        pw.Text('编号：$code',
+                            style: pw.TextStyle(font: font, fontSize: 5.5, color: _ink)),
+                        pw.SizedBox(height: 1.5),
+                      ],
                       // 度数(系列) + 规格 同一行, 无字段名标签
                       pw.Text(degSpecVal,
                           style: pw.TextStyle(font: font, fontSize: 5.5, color: _ink)),
@@ -482,6 +493,7 @@ Future<Uint8List> renderLabelPreviewImpl(LabelData label) async {
   final img = await _renderLabelBitmap(
     shop: label.shopName,
     name: label.name,
+    code: label.code,
     degSpec: degSpecVal,
     date: dateVal,
     qrBytes: label.qrBytes!,