chore: update flyer import features and resources

- Remove outdated Willys flyer PDF (0001-0008_WIL_V21_ED1pdf.pdf)
- Add new Willys flyer PDF (willys_reklamblad.pdf)
- Improve offer detection logic in backend flyer-import service
- Add offer limit text extraction and sanitization in Flutter UI
- Fix Swedish character encoding issues in UI text

flutter/lib/features/import/presentation/flyer_import_tab.dart

@@ -116,6 +116,17 @@ class _FlyerImportTabState extends ConsumerState<FlyerImportTab> {
     return '$raw kr$unitPart';
   }
 
+  String _removeLimitTextFromOfferText(String offerText, String? limitText) {
+    final trimmedOffer = offerText.trim();
+    final trimmedLimit = limitText?.trim() ?? '';
+    if (trimmedOffer.isEmpty || trimmedLimit.isEmpty) return trimmedOffer;
+
+    final escaped = RegExp.escape(trimmedLimit);
+    final withoutLimit = trimmedOffer.replaceAll(RegExp(escaped, caseSensitive: false), '').trim();
+    final withoutLeadingPunctuation = withoutLimit.replaceAll(RegExp(r'^[,.;:\s-]+'), '').trim();
+    return withoutLeadingPunctuation.replaceAll(RegExp(r'[,.;:\s-]+$'), '').trim();
+  }
+
   Widget _buildOfferBadge(FlyerImportItem item, ThemeData theme) {
     final hasOffer = item.isOffer || (item.offerText?.trim().isNotEmpty ?? false) || item.price != null;
     if (!hasOffer) return const SizedBox.shrink();
@@ -157,7 +168,7 @@ class _FlyerImportTabState extends ConsumerState<FlyerImportTab> {
               isImage ? Icons.image_outlined : Icons.picture_as_pdf_outlined,
               color: theme.colorScheme.primary,
             ),
-            title: const Text('Flyerförhandsvisning'),
+            title: const Text('Flyerförhandsvisning'),
             subtitle: Text(file?.name ?? ''),
             trailing: isImage
                 ? null
@@ -170,7 +181,7 @@ class _FlyerImportTabState extends ConsumerState<FlyerImportTab> {
                       if (!context.mounted || opened) return;
                       ScaffoldMessenger.of(context).showSnackBar(
                         const SnackBar(
-                          content: Text('PDF kan bara öppnas direkt i webbversionen just nu.'),
+                          content: Text('PDF kan bara öppnas direkt i webbversionen just nu.'),
                         ),
                       );
                     },
@@ -206,14 +217,14 @@ class _FlyerImportTabState extends ConsumerState<FlyerImportTab> {
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
           Text(
-            'Ladda upp flyer, granska erbjudanden och planera inköp med ett klick.',
+            'Ladda upp flyer, granska erbjudanden och planera inköp med ett klick.',
             style: theme.textTheme.bodyMedium,
           ),
           const SizedBox(height: 16),
           OutlinedButton.icon(
             onPressed: _isLoading ? null : _pickFile,
             icon: const Icon(Icons.attach_file),
-            label: Text(_pickedFile?.name ?? 'Välj flyerfil'),
+            label: Text(_pickedFile?.name ?? 'Välj flyerfil'),
           ),
           const SizedBox(height: 12),
           FilledButton.icon(
@@ -242,7 +253,7 @@ class _FlyerImportTabState extends ConsumerState<FlyerImportTab> {
                       }
                     });
                   },
-                  child: Text(selectedCount < items.length ? 'Välj alla' : 'Avmarkera alla'),
+                  child: Text(selectedCount < items.length ? 'Välj alla' : 'Avmarkera alla'),
                 ),
               ],
             ),
@@ -253,6 +264,9 @@ class _FlyerImportTabState extends ConsumerState<FlyerImportTab> {
               final priceText = _formatPrice(item.price, item.priceUnit);
               final comparisonText = _formatPrice(item.comparisonPrice, item.comparisonUnit);
               final limitText = item.offerLimitText?.trim();
+              final sanitizedOfferText = item.offerText == null
+                  ? ''
+                  : _removeLimitTextFromOfferText(item.offerText!, limitText);
 
               return CheckboxListTile(
                 value: _selected[index] ?? false,
@@ -267,9 +281,16 @@ class _FlyerImportTabState extends ConsumerState<FlyerImportTab> {
                   crossAxisAlignment: CrossAxisAlignment.start,
                   children: [
                     if (priceText.isNotEmpty) Text('Pris: $priceText'),
-                    if (comparisonText.isNotEmpty) Text('Jämförpris: $comparisonText'),
-                    if (limitText != null && limitText.isNotEmpty) Text('Begränsning: $limitText'),
-                    if ((item.offerText?.trim().isNotEmpty ?? false)) Text(item.offerText!.trim()),
+                    if (comparisonText.isNotEmpty) Text('Jämförpris: $comparisonText'),
+                    if (limitText != null && limitText.isNotEmpty)
+                      Text(
+                        'Begränsning: $limitText',
+                        style: theme.textTheme.bodyMedium?.copyWith(
+                          color: Colors.orange.shade900,
+                          fontWeight: FontWeight.w600,
+                        ),
+                      ),
+                    if (sanitizedOfferText.isNotEmpty) Text(sanitizedOfferText),
                     if (item.matchedProductName != null) Text('Match: ${item.matchedProductName}'),
                   ],
                 ),
@@ -296,5 +317,4 @@ class _FlyerImportTabState extends ConsumerState<FlyerImportTab> {
       ),
     );
   }
-}
-
+}