feat: add barcode display to loyalty dashboard and subscription list using barcode_widget

lib/screens/loyalty_dashboard.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:barcode_widget/barcode_widget.dart';
 import '../services/odoo_service.dart';
 import '../widgets/carousel_widget.dart';
 import '../widgets/promo_card_widget.dart';
@@ -253,7 +254,14 @@ class _LoyaltyCardTile extends StatelessWidget {
                   ),
                   const SizedBox(height: 36),
 
-                  // Middle Section: Card Label
+                   // Middle Section: Card Label + Barcode beside it
+                  Row(
+                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                    crossAxisAlignment: CrossAxisAlignment.center,
+                    children: [
+                      Column(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        children: [
                           Text(
                             'MEMBER ID',
                             style: theme.textTheme.labelSmall?.copyWith(
@@ -263,8 +271,6 @@ class _LoyaltyCardTile extends StatelessWidget {
                             ),
                           ),
                           const SizedBox(height: 8),
-
-                  // Card Number (Membership Code)
                           Text(
                             '${card['code'] ?? 'N/A'}',
                             style: theme.textTheme.titleMedium?.copyWith(
@@ -281,6 +287,33 @@ class _LoyaltyCardTile extends StatelessWidget {
                               ],
                             ),
                           ),
+                        ],
+                      ),
+                      if (card['code'] != null && (card['code'] as String).isNotEmpty)
+                        Container(
+                          padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 4),
+                          decoration: BoxDecoration(
+                            color: Colors.white.withValues(alpha: 0.9),
+                            borderRadius: BorderRadius.circular(6),
+                            boxShadow: [
+                              BoxShadow(
+                                color: Colors.black.withValues(alpha: 0.1),
+                                blurRadius: 4,
+                                offset: const Offset(0, 2),
+                              ),
+                            ],
+                          ),
+                          child: BarcodeWidget(
+                            barcode: Barcode.code128(),
+                            data: card['code'] as String,
+                            width: 130,
+                            height: 36,
+                            color: colorScheme.primary,
+                            drawText: false,
+                          ),
+                        ),
+                    ],
+                  ),
                   const SizedBox(height: 24),
 
                   // Divider line

lib/widgets/subscription_list_widget.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:barcode_widget/barcode_widget.dart';
 import '../utils/safe_cast.dart';
 
 /// "My Subscriptions" list displayed on the home tab below the loyalty card.
@@ -208,6 +209,31 @@ class _SubscriptionCard extends StatelessWidget {
                           color: colorScheme.onSurface,
                         ),
                       ),
+                      if (code.isNotEmpty) ...[
+                        const SizedBox(height: 6),
+                        Container(
+                          padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 3),
+                          decoration: BoxDecoration(
+                            color: active 
+                                ? colorScheme.tertiary.withValues(alpha: 0.06)
+                                : colorScheme.primary.withValues(alpha: 0.06),
+                            borderRadius: BorderRadius.circular(4),
+                            border: Border.all(
+                              color: active
+                                  ? colorScheme.tertiary.withValues(alpha: 0.15)
+                                  : colorScheme.primary.withValues(alpha: 0.15),
+                            ),
+                          ),
+                          child: BarcodeWidget(
+                            barcode: Barcode.code128(),
+                            data: code,
+                            width: 110,
+                            height: 28,
+                            color: active ? colorScheme.tertiary : colorScheme.primary,
+                            drawText: false,
+                          ),
+                        ),
+                      ],
                     ],
                   ),
                   if (sub['points'] != null)

pubspec.lock

@@ -33,6 +33,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.13.0"
+  barcode:
+    dependency: transitive
+    description:
+      name: barcode
+      sha256: "7b6729c37e3b7f34233e2318d866e8c48ddb46c1f7ad01ff7bb2a8de1da2b9f4"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.9"
+  barcode_widget:
+    dependency: "direct main"
+    description:
+      name: barcode_widget
+      sha256: "6f2c5b08659b1a5f4d88d183e6007133ea2f96e50e7b8bb628f03266c3931427"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.4"
   boolean_selector:
     dependency: transitive
     description:
@@ -584,6 +600,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.2.0"
+  qr:
+    dependency: transitive
+    description:
+      name: qr
+      sha256: "5a1d2586170e172b8a8c8470bbbffd5eb0cd38a66c0d77155ea138d3af3a4445"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
   shared_preferences:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -45,6 +45,7 @@ dependencies:
   geolocator: ^13.0.2
   smooth_page_indicator: ^1.2.0
   flutter_html: ^3.0.0-beta.2
+  barcode_widget: ^2.0.4
 
 dev_dependencies:
   flutter_test: