fix: thumbnail not shown actualy pdf page

integration_test/export_flow_test.dart

@@ -13,7 +13,7 @@ import 'package:pdf_signature/data/repositories/signature_card_repository.dart';
 import 'package:pdf_signature/data/repositories/document_repository.dart';
 import 'package:pdf_signature/domain/models/model.dart';
 import 'package:pdf_signature/ui/features/pdf/view_model/pdf_view_model.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 import 'package:pdf_signature/ui/features/pdf/widgets/ui_services.dart';
 import 'package:pdf_signature/ui/features/pdf/widgets/pages_sidebar.dart';
 import 'package:pdf_signature/ui/features/pdf/widgets/pdf_screen.dart';
@@ -48,11 +48,7 @@ void main() {
             (ref) => PreferencesStateNotifier(prefs),
           ),
           documentRepositoryProvider.overrideWith(
-            (ref) =>
+            (ref) => DocumentStateNotifier()..openPicked(pageCount: 3),
-                DocumentStateNotifier()..openPicked(
-                  path: 'integration_test/data/sample-local-pdf.pdf',
-                  pageCount: 3,
-                ),
           ),
           useMockViewerProvider.overrideWith((ref) => false),
           exportServiceProvider.overrideWith((_) => fake),
@@ -110,11 +106,8 @@ void main() {
           ),
           documentRepositoryProvider.overrideWith(
             (ref) =>
-                DocumentStateNotifier()..openPicked(
+                DocumentStateNotifier()
-                  path: 'integration_test/data/sample-local-pdf.pdf',
+                  ..openPicked(pageCount: 3, bytes: pdfBytes),
-                  pageCount: 3,
-                  bytes: pdfBytes,
-                ),
           ),
           signatureAssetRepositoryProvider.overrideWith((ref) {
             final c = SignatureAssetRepository();
@@ -196,11 +189,8 @@ void main() {
           ),
           documentRepositoryProvider.overrideWith(
             (ref) =>
-                DocumentStateNotifier()..openPicked(
+                DocumentStateNotifier()
-                  path: 'integration_test/data/sample-local-pdf.pdf',
+                  ..openPicked(pageCount: 3, bytes: pdfBytes),
-                  pageCount: 3,
-                  bytes: pdfBytes,
-                ),
           ),
           useMockViewerProvider.overrideWithValue(false),
         ],
@@ -239,11 +229,8 @@ void main() {
           ),
           documentRepositoryProvider.overrideWith(
             (ref) =>
-                DocumentStateNotifier()..openPicked(
+                DocumentStateNotifier()
-                  path: 'integration_test/data/sample-local-pdf.pdf',
+                  ..openPicked(pageCount: 3, bytes: pdfBytes),
-                  pageCount: 3,
-                  bytes: pdfBytes,
-                ),
           ),
           useMockViewerProvider.overrideWithValue(false),
         ],
@@ -285,11 +272,8 @@ void main() {
           ),
           documentRepositoryProvider.overrideWith(
             (ref) =>
-                DocumentStateNotifier()..openPicked(
+                DocumentStateNotifier()
-                  path: 'integration_test/data/sample-local-pdf.pdf',
+                  ..openPicked(pageCount: 3, bytes: pdfBytes),
-                  pageCount: 3,
-                  bytes: pdfBytes,
-                ),
           ),
           useMockViewerProvider.overrideWithValue(false),
         ],
@@ -305,6 +289,14 @@ void main() {
     final ctx = tester.element(find.byType(PdfSignatureHomePage));
     final container = ProviderScope.containerOf(ctx);
     expect(container.read(pdfViewModelProvider), 1);
+
+    final pagesSidebar = find.byType(PagesSidebar);
+    expect(pagesSidebar, findsOneWidget);
+
+    // Scroll to make page 3 thumbnail visible
+    await tester.drag(pagesSidebar, const Offset(0, -300));
+    await tester.pumpAndSettle();
+
     final page3Thumb = find.text('3');
     expect(page3Thumb, findsOneWidget);
     await tester.tap(page3Thumb);
@@ -326,11 +318,8 @@ void main() {
           ),
           documentRepositoryProvider.overrideWith(
             (ref) =>
-                DocumentStateNotifier()..openPicked(
+                DocumentStateNotifier()
-                  path: 'integration_test/data/sample-local-pdf.pdf',
+                  ..openPicked(pageCount: 3, bytes: pdfBytes),
-                  pageCount: 3,
-                  bytes: pdfBytes,
-                ),
           ),
           useMockViewerProvider.overrideWithValue(false),
         ],

integration_test/pdf_view_test.dart

@@ -6,7 +6,7 @@ import 'dart:io';
 import 'package:flutter/services.dart';
 
 import 'package:pdf_signature/ui/features/pdf/widgets/pdf_screen.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 import 'package:pdf_signature/ui/features/pdf/widgets/pages_sidebar.dart';
 import 'package:pdf_signature/ui/features/pdf/view_model/pdf_view_model.dart';
 import 'package:shared_preferences/shared_preferences.dart';
@@ -34,11 +34,8 @@ void main() {
           ),
           documentRepositoryProvider.overrideWith(
             (ref) =>
-                DocumentStateNotifier()..openPicked(
+                DocumentStateNotifier()
-                  path: 'integration_test/data/sample-local-pdf.pdf',
+                  ..openPicked(pageCount: 3, bytes: pdfBytes),
-                  pageCount: 3,
-                  bytes: pdfBytes,
-                ),
           ),
           useMockViewerProvider.overrideWithValue(false),
         ],
@@ -85,11 +82,8 @@ void main() {
           ),
           documentRepositoryProvider.overrideWith(
             (ref) =>
-                DocumentStateNotifier()..openPicked(
+                DocumentStateNotifier()
-                  path: 'integration_test/data/sample-local-pdf.pdf',
+                  ..openPicked(pageCount: 3, bytes: pdfBytes),
-                  pageCount: 3,
-                  bytes: pdfBytes,
-                ),
           ),
           useMockViewerProvider.overrideWithValue(false),
         ],
@@ -136,11 +130,8 @@ void main() {
           ),
           documentRepositoryProvider.overrideWith(
             (ref) =>
-                DocumentStateNotifier()..openPicked(
+                DocumentStateNotifier()
-                  path: 'integration_test/data/sample-local-pdf.pdf',
+                  ..openPicked(pageCount: 3, bytes: pdfBytes),
-                  pageCount: 3,
-                  bytes: pdfBytes,
-                ),
           ),
           useMockViewerProvider.overrideWithValue(false),
         ],
@@ -159,6 +150,13 @@ void main() {
     final container = ProviderScope.containerOf(ctx);
     expect(container.read(pdfViewModelProvider), 1);
 
+    final pagesSidebar = find.byType(PagesSidebar);
+    expect(pagesSidebar, findsOneWidget);
+
+    // Scroll to make page 3 thumbnail visible
+    await tester.drag(pagesSidebar, const Offset(0, -300));
+    await tester.pumpAndSettle();
+
     final page3Thumbnail = find.text('3');
     expect(page3Thumbnail, findsOneWidget);
     await tester.tap(page3Thumbnail);
@@ -181,11 +179,8 @@ void main() {
           ),
           documentRepositoryProvider.overrideWith(
             (ref) =>
-                DocumentStateNotifier()..openPicked(
+                DocumentStateNotifier()
-                  path: 'integration_test/data/sample-local-pdf.pdf',
+                  ..openPicked(pageCount: 3, bytes: pdfBytes),
-                  pageCount: 3,
-                  bytes: pdfBytes,
-                ),
           ),
           useMockViewerProvider.overrideWithValue(false),
         ],

lib/data/repositories/document_repository.dart

@@ -16,7 +16,6 @@ class DocumentStateNotifier extends StateNotifier<Document> {
   }
 
   void openPicked({
-    required String path,
     required int pageCount,
     Uint8List? bytes,
   }) {

lib/ui/features/pdf/view_model/pdf_view_model.dart

@@ -29,7 +29,7 @@ class PdfViewModel extends StateNotifier<int> {
     }
     ref
         .read(documentRepositoryProvider.notifier)
-        .openPicked(path: path, pageCount: pageCount, bytes: bytes);
+        .openPicked(pageCount: pageCount, bytes: bytes);
     ref.read(signatureCardRepositoryProvider.notifier).clearAll();
     state = 1; // Reset current page to 1
   }

lib/ui/features/pdf/widgets/pages_sidebar.dart

@@ -1,11 +1,11 @@
 import 'package:flutter/material.dart';
-import 'pdf_pages_overview.dart';
+import 'thumbnails_view.dart';
 
 class PagesSidebar extends StatelessWidget {
   const PagesSidebar({super.key});
 
   @override
   Widget build(BuildContext context) {
-    return Card(margin: EdgeInsets.zero, child: const PdfPagesOverview());
+    return Card(margin: EdgeInsets.zero, child: const ThumbnailsView());
   }
 }

lib/ui/features/pdf/widgets/pdf_mock_continuous_list.dart

@@ -4,7 +4,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:pdf_signature/l10n/app_localizations.dart';
 
 import 'pdf_page_overlays.dart';
-import 'pdf_providers.dart';
+import '../view_model/pdf_providers.dart';
 import 'package:pdf_signature/data/repositories/signature_asset_repository.dart';
 // using only adjusted overlay, no direct model imports needed
 import '../../signature/widgets/signature_drag_data.dart';

lib/ui/features/pdf/widgets/pdf_page_area.dart

@@ -6,7 +6,7 @@ import 'package:pdf_signature/l10n/app_localizations.dart';
 import 'package:pdf_signature/data/repositories/document_repository.dart';
 import 'pdf_viewer_widget.dart';
 import '../view_model/pdf_view_model.dart';
-import 'pdf_providers.dart';
+import '../view_model/pdf_providers.dart';
 
 class PdfPageArea extends ConsumerStatefulWidget {
   const PdfPageArea({
@@ -159,6 +159,7 @@ class _PdfPageAreaState extends ConsumerState<PdfPageArea> {
 
     // Use real PDF viewer
     if (isContinuous) {
+      final controller = ref.watch(pdfViewerControllerProvider);
       return PdfViewerWidget(
         pageSize: widget.pageSize,
         onDragSignature: widget.onDragSignature,
@@ -168,6 +169,7 @@ class _PdfPageAreaState extends ConsumerState<PdfPageArea> {
         onSelectPlaced: widget.onSelectPlaced,
         pageKeyBuilder: _pageKey,
         scrollToPage: _scrollToPage,
+        controller: controller,
       );
     }
     return const SizedBox.shrink();

lib/ui/features/pdf/widgets/pdf_page_overlays.dart

@@ -4,7 +4,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import '../../../../domain/models/model.dart';
 import 'package:pdf_signature/data/repositories/document_repository.dart';
 import 'signature_overlay.dart';
-import 'pdf_providers.dart';
+import '../view_model/pdf_providers.dart';
 
 /// Builds all overlays for a given page: placed signatures and the active one.
 class PdfPageOverlays extends ConsumerWidget {

lib/ui/features/pdf/widgets/pdf_pages_overview.dart

@@ -1,7 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:pdfrx/pdfrx.dart';
 import 'package:pdf_signature/data/repositories/document_repository.dart';
-import 'pdf_providers.dart';
+import '../view_model/pdf_providers.dart';
 
 class PdfPagesOverview extends ConsumerWidget {
   const PdfPagesOverview({super.key});
@@ -9,12 +10,23 @@ class PdfPagesOverview extends ConsumerWidget {
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     final pdf = ref.watch(documentRepositoryProvider);
-    ref.watch(useMockViewerProvider);
+    final controller = ref.watch(pdfViewerControllerProvider);
     final theme = Theme.of(context);
 
-    if (!pdf.loaded) return const SizedBox.shrink();
+    if (!pdf.loaded || pdf.pickedPdfBytes == null)
+      return const SizedBox.shrink();
 
-    Widget buildList(int pageCount, {Widget Function(int i)? item}) {
+    final documentRef = PdfDocumentRefData(
+      pdf.pickedPdfBytes!,
+      sourceName: 'document.pdf',
+    );
+
+    return Container(
+      color: theme.colorScheme.surface,
+      child: PdfDocumentViewBuilder(
+        documentRef: documentRef,
+        builder: (context, document) {
+          final pageCount = document?.pages.length ?? 0;
           return ListView.separated(
             padding: const EdgeInsets.symmetric(vertical: 8, horizontal: 8),
             itemCount: pageCount,
@@ -24,9 +36,10 @@ class PdfPagesOverview extends ConsumerWidget {
               final isSelected = ref.watch(currentPageProvider) == pageNumber;
               return InkWell(
                 onTap: () {
-              final controller = ref.read(pdfViewerControllerProvider);
+                  controller.goToPage(
-              if (controller.isReady)
+                    pageNumber: pageNumber,
-                controller.goToPage(pageNumber: pageNumber);
+                    anchor: PdfPageAnchor.top,
+                  );
                 },
                 child: DecoratedBox(
                   decoration: BoxDecoration(
@@ -44,24 +57,30 @@ class PdfPagesOverview extends ConsumerWidget {
                   ),
                   child: Padding(
                     padding: const EdgeInsets.all(6),
-                child: AspectRatio(
+                    child: Column(
-                  aspectRatio: 1 / 1.4142, // A4 portrait approx
+                      children: [
+                        SizedBox(
+                          height: 180,
                           child: ClipRRect(
                             borderRadius: BorderRadius.circular(4),
-                    child:
+                            child: PdfPageView(
-                        item != null
+                              document: document,
-                            ? item(index)
+                              pageNumber: pageNumber,
-                            : Center(child: Text('$pageNumber')),
+                              alignment: Alignment.center,
                             ),
                           ),
                         ),
+                        const SizedBox(height: 4),
+                        Text('$pageNumber', style: theme.textTheme.bodySmall),
+                      ],
+                    ),
+                  ),
                 ),
               );
             },
           );
-    }
+        },
-
+      ),
-    final count = pdf.pageCount == 0 ? 1 : pdf.pageCount;
+    );
-    return buildList(count);
   }
 }

lib/ui/features/pdf/widgets/pdf_screen.dart

@@ -8,7 +8,7 @@ import 'package:pdf_signature/l10n/app_localizations.dart';
 import 'package:multi_split_view/multi_split_view.dart';
 
 import 'package:pdf_signature/data/repositories/document_repository.dart';
-import 'pdf_providers.dart';
+import '../view_model/pdf_providers.dart';
 import 'package:pdfrx/pdfrx.dart';
 import 'draw_canvas.dart';
 import 'pdf_toolbar.dart';
@@ -31,6 +31,7 @@ class _PdfSignatureHomePageState extends ConsumerState<PdfSignatureHomePage> {
   bool _showPagesSidebar = true;
   bool _showSignaturesSidebar = true;
   int _zoomLevel = 100; // percentage for display only
+  fs.XFile _file = fs.XFile('');
 
   // Split view controller to manage resizable sidebars without remounting the center area.
   late final MultiSplitViewController _splitController;
@@ -57,6 +58,9 @@ class _PdfSignatureHomePageState extends ConsumerState<PdfSignatureHomePage> {
     final typeGroup = const fs.XTypeGroup(label: 'PDF', extensions: ['pdf']);
     final file = await fs.openFile(acceptedTypeGroups: [typeGroup]);
     if (file != null) {
+      setState(() {
+        _file = file;
+      });
       Uint8List? bytes;
       try {
         bytes = await file.readAsBytes();
@@ -75,7 +79,7 @@ class _PdfSignatureHomePageState extends ConsumerState<PdfSignatureHomePage> {
       }
       ref
           .read(documentRepositoryProvider.notifier)
-          .openPicked(path: file.path, pageCount: pageCount, bytes: bytes);
+          .openPicked(pageCount: pageCount, bytes: bytes);
     }
   }
 
@@ -331,7 +335,7 @@ class _PdfSignatureHomePageState extends ConsumerState<PdfSignatureHomePage> {
                     });
                   },
                   zoomLevel: _zoomLevel,
-                  fileName: 'mock.pdf',
+                  fileName: _file.name,
                   showPagesSidebar: _showPagesSidebar,
                   showSignaturesSidebar: _showSignaturesSidebar,
                   onTogglePagesSidebar:

lib/ui/features/pdf/widgets/pdf_toolbar.dart

@@ -4,7 +4,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:pdf_signature/l10n/app_localizations.dart';
 
 import 'package:pdf_signature/data/repositories/document_repository.dart';
-import 'pdf_providers.dart';
+import '../view_model/pdf_providers.dart';
 
 class PdfToolbar extends ConsumerStatefulWidget {
   const PdfToolbar({

lib/ui/features/pdf/widgets/pdf_viewer_widget.dart

@@ -5,8 +5,8 @@ import 'package:pdf_signature/data/repositories/document_repository.dart';
 import 'package:pdf_signature/l10n/app_localizations.dart';
 import 'pdf_page_overlays.dart';
 import './pdf_mock_continuous_list.dart';
-import '../../signature/widgets/signature_drag_data.dart';
+import '../view_model/pdf_providers.dart';
-import 'pdf_providers.dart';
+import '../view_model/pdf_view_model.dart';
 
 class PdfViewerWidget extends ConsumerStatefulWidget {
   const PdfViewerWidget({
@@ -19,6 +19,7 @@ class PdfViewerWidget extends ConsumerStatefulWidget {
     required this.onSelectPlaced,
     this.pageKeyBuilder,
     this.scrollToPage,
+    required this.controller,
   });
 
   final Size pageSize;
@@ -29,22 +30,21 @@ class PdfViewerWidget extends ConsumerStatefulWidget {
   final ValueChanged<int?> onSelectPlaced;
   final GlobalKey Function(int page)? pageKeyBuilder;
   final void Function(int page)? scrollToPage;
+  final PdfViewerController controller;
 
   @override
   ConsumerState<PdfViewerWidget> createState() => _PdfViewerWidgetState();
 }
 
 class _PdfViewerWidgetState extends ConsumerState<PdfViewerWidget> {
-  PdfViewerController? _controller;
   PdfDocumentRef? _documentRef;
 
   // Public getter for testing the actual viewer page
-  int? get viewerCurrentPage => _controller?.pageNumber;
+  int? get viewerCurrentPage => widget.controller.pageNumber;
 
   @override
   void initState() {
     super.initState();
-    _controller = PdfViewerController();
   }
 
   @override
@@ -99,14 +99,12 @@ class _PdfViewerWidgetState extends ConsumerState<PdfViewerWidget> {
       );
     }
 
-    return Stack(
+    return PdfViewer(
-      children: [
-        PdfViewer(
       _documentRef!,
       key: const Key(
         'pdf_continuous_mock_list',
       ), // Keep the same key for test compatibility
-          controller: _controller,
+      controller: widget.controller,
       params: PdfViewerParams(
         onViewerReady: (document, controller) {
           // Update page count in repository
@@ -117,56 +115,13 @@ class _PdfViewerWidgetState extends ConsumerState<PdfViewerWidget> {
         onPageChanged: (page) {
           if (page != null) {
             ref.read(currentPageProvider.notifier).state = page;
+            // Also update the view model to keep them in sync
+            ref.read(pdfViewModelProvider.notifier).jumpToPage(page);
           }
         },
-          ),
+        viewerOverlayBuilder: (context, size, handle) {
-        ),
+          return [
-        // Drag target for dropping signatures
+            PdfPageOverlays(
-        Positioned.fill(
-          child: DragTarget<SignatureDragData>(
-            onAcceptWithDetails: (details) {
-              final dragData = details.data;
-
-              // For real PDF viewer, we need to calculate which page was dropped on
-              // This is a simplified implementation - in a real app you'd need to
-              // determine the exact page and position within that page
-              final currentPage = ref.read(currentPageProvider);
-
-              // Create a default rect for the signature (can be adjusted later)
-              final rect = const Rect.fromLTWH(0.1, 0.1, 0.2, 0.1);
-
-              // Add placement to the document
-              ref
-                  .read(documentRepositoryProvider.notifier)
-                  .addPlacement(
-                    page: currentPage,
-                    rect: rect,
-                    asset: dragData.card?.asset,
-                    rotationDeg: dragData.card?.rotationDeg ?? 0.0,
-                    graphicAdjust: dragData.card?.graphicAdjust,
-                  );
-            },
-            builder: (context, candidateData, rejectedData) {
-              return Container(
-                color:
-                    candidateData.isNotEmpty
-                        ? Colors.blue.withOpacity(0.1)
-                        : Colors.transparent,
-              );
-            },
-          ),
-        ),
-        // Add signature overlays on top
-        Positioned.fill(
-          child: Consumer(
-            builder: (context, ref, _) {
-              final visible = ref.watch(signatureVisibilityProvider);
-              if (!visible) return const SizedBox.shrink();
-
-              // For now, just add a simple overlay for the first page
-              // This is a simplified version - in a real implementation you'd need
-              // to handle overlays for each page properly
-              return PdfPageOverlays(
               pageSize: widget.pageSize,
               pageNumber: ref.watch(currentPageProvider),
               onDragSignature: widget.onDragSignature,
@@ -174,11 +129,10 @@ class _PdfViewerWidgetState extends ConsumerState<PdfViewerWidget> {
               onConfirmSignature: widget.onConfirmSignature,
               onClearActiveOverlay: widget.onClearActiveOverlay,
               onSelectPlaced: widget.onSelectPlaced,
-              );
+            ),
+          ];
         },
       ),
-        ),
-      ],
     );
   }
 }

lib/ui/features/pdf/widgets/signature_drawer.dart

@@ -8,7 +8,7 @@ import 'package:pdf_signature/data/repositories/signature_asset_repository.dart'
 import 'package:pdf_signature/data/repositories/signature_card_repository.dart';
 import 'image_editor_dialog.dart';
 import '../../signature/widgets/signature_card.dart';
-import 'pdf_providers.dart';
+import '../view_model/pdf_providers.dart';
 
 /// Data for drag-and-drop is in signature_drag_data.dart
 

lib/ui/features/pdf/widgets/thumbnails_view.dart

@@ -0,0 +1,86 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:pdfrx/pdfrx.dart';
+import 'package:pdf_signature/data/repositories/document_repository.dart';
+import '../view_model/pdf_providers.dart';
+
+class ThumbnailsView extends ConsumerWidget {
+  const ThumbnailsView({super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final pdf = ref.watch(documentRepositoryProvider);
+    final controller = ref.watch(pdfViewerControllerProvider);
+    final theme = Theme.of(context);
+
+    if (!pdf.loaded || pdf.pickedPdfBytes == null)
+      return const SizedBox.shrink();
+
+    final documentRef = PdfDocumentRefData(
+      pdf.pickedPdfBytes!,
+      sourceName: 'document.pdf',
+    );
+
+    return Container(
+      color: theme.colorScheme.surface,
+      child: PdfDocumentViewBuilder(
+        documentRef: documentRef,
+        builder: (context, document) {
+          final pageCount = document?.pages.length ?? 0;
+          return ListView.separated(
+            padding: const EdgeInsets.symmetric(vertical: 8, horizontal: 8),
+            itemCount: pageCount,
+            separatorBuilder: (_, _) => const SizedBox(height: 8),
+            itemBuilder: (context, index) {
+              final pageNumber = index + 1;
+              final isSelected = ref.watch(currentPageProvider) == pageNumber;
+              return InkWell(
+                onTap: () {
+                  controller.goToPage(
+                    pageNumber: pageNumber,
+                    anchor: PdfPageAnchor.top,
+                  );
+                },
+                child: DecoratedBox(
+                  decoration: BoxDecoration(
+                    color:
+                        isSelected
+                            ? theme.colorScheme.primaryContainer
+                            : theme.cardColor,
+                    borderRadius: BorderRadius.circular(8),
+                    border: Border.all(
+                      color:
+                          isSelected
+                              ? theme.colorScheme.primary
+                              : theme.dividerColor,
+                    ),
+                  ),
+                  child: Padding(
+                    padding: const EdgeInsets.all(6),
+                    child: Column(
+                      children: [
+                        SizedBox(
+                          height: 180,
+                          child: ClipRRect(
+                            borderRadius: BorderRadius.circular(4),
+                            child: PdfPageView(
+                              document: document,
+                              pageNumber: pageNumber,
+                              alignment: Alignment.center,
+                            ),
+                          ),
+                        ),
+                        const SizedBox(height: 4),
+                        Text('$pageNumber', style: theme.textTheme.bodySmall),
+                      ],
+                    ),
+                  ),
+                ),
+              );
+            },
+          );
+        },
+      ),
+    );
+  }
+}

lib/ui/features/welcome/view_model/welcome_view_model.dart

@@ -21,7 +21,7 @@ class WelcomeViewModel {
     }
     ref
         .read(documentRepositoryProvider.notifier)
-        .openPicked(path: path, pageCount: pageCount, bytes: bytes);
+        .openPicked(pageCount: pageCount, bytes: bytes);
     ref.read(signatureCardRepositoryProvider.notifier).clearAll();
   }
 }

test/features/_test_helper.dart

@@ -6,7 +6,7 @@ import 'package:shared_preferences/shared_preferences.dart';
 import 'package:pdf_signature/app.dart';
 import 'package:pdf_signature/data/repositories/preferences_repository.dart';
 import 'package:pdf_signature/data/repositories/document_repository.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 import 'package:pdf_signature/ui/features/pdf/widgets/ui_services.dart';
 import 'package:pdf_signature/data/services/export_service.dart';
 import 'package:pdf_signature/domain/models/model.dart';

test/features/step/a_document_is_open_and_contains_at_least_one_signature_placement.dart

@@ -14,7 +14,7 @@ Future<void> aDocumentIsOpenAndContainsAtLeastOneSignaturePlacement(
   TestWorld.container = container;
   container
       .read(documentRepositoryProvider.notifier)
-      .openPicked(path: 'test.pdf', pageCount: 5);
+      .openPicked(pageCount: 5);
   container
       .read(documentRepositoryProvider.notifier)
       .addPlacement(

test/features/step/a_document_is_open_and_contains_multiple_placed_signature_placements_across_pages.dart

@@ -15,7 +15,7 @@ aDocumentIsOpenAndContainsMultiplePlacedSignaturePlacementsAcrossPages(
   TestWorld.container = container;
   container
       .read(documentRepositoryProvider.notifier)
-      .openPicked(path: 'multi.pdf', pageCount: 5);
+      .openPicked(pageCount: 5);
   container
       .read(documentRepositoryProvider.notifier)
       .addPlacement(

test/features/step/a_document_is_open_with_no_signature_placements_placed.dart

@@ -11,6 +11,6 @@ Future<void> aDocumentIsOpenWithNoSignaturePlacementsPlaced(
   TestWorld.container = container;
   container
       .read(documentRepositoryProvider.notifier)
-      .openPicked(path: 'empty.pdf', pageCount: 5);
+      .openPicked(pageCount: 5);
   // No placements added
 }

test/features/step/a_multipage_document_is_open.dart

@@ -4,7 +4,7 @@ import 'package:pdf_signature/data/repositories/document_repository.dart';
 import 'package:pdf_signature/data/repositories/signature_card_repository.dart';
 import 'package:pdf_signature/data/repositories/signature_asset_repository.dart';
 import 'package:pdf_signature/domain/models/model.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 import 'package:pdf_signature/ui/features/pdf/view_model/pdf_view_model.dart';
 import '_world.dart';
 
@@ -18,9 +18,7 @@ Future<void> aMultipageDocumentIsOpen(WidgetTester tester) async {
   container.read(signatureCardRepositoryProvider.notifier).state = [
     SignatureCard.initial(),
   ];
-  container
+  container.read(documentRepositoryProvider.notifier).openPicked(pageCount: 5);
-      .read(documentRepositoryProvider.notifier)
-      .openPicked(path: 'mock.pdf', pageCount: 5);
   // Reset page state providers
   try {
     container.read(currentPageProvider.notifier).state = 1;

test/features/step/a_sample_multipage_document5_pages_is_available.dart

@@ -11,5 +11,5 @@ Future<void> aSampleMultipageDocument5PagesIsAvailable(
   TestWorld.container = container;
   container
       .read(documentRepositoryProvider.notifier)
-      .openPicked(path: 'sample.pdf', pageCount: 5);
+      .openPicked(pageCount: 5);
 }

test/features/step/a_signature_asset_is_placed_on_the_page.dart

@@ -17,7 +17,7 @@ Future<void> aSignatureAssetIsPlacedOnThePage(WidgetTester tester) async {
   if (!container.read(documentRepositoryProvider).loaded) {
     container
         .read(documentRepositoryProvider.notifier)
-        .openPicked(path: 'mock.pdf', pageCount: 5);
+        .openPicked(pageCount: 5);
   }
 
   // Get or create an asset

test/features/step/page_is_displayed.dart

@@ -1,6 +1,6 @@
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 import 'package:pdf_signature/ui/features/pdf/view_model/pdf_view_model.dart';
 import '_world.dart';
 

test/features/step/the_app_launches.dart

@@ -7,7 +7,7 @@ import 'package:pdf_signature/data/repositories/document_repository.dart';
 import 'package:pdf_signature/data/repositories/signature_asset_repository.dart';
 import 'package:pdf_signature/data/repositories/signature_card_repository.dart';
 import 'package:pdf_signature/domain/models/model.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 import '_world.dart';
 
 class _BridgedSignatureCardStateNotifier extends SignatureCardStateNotifier {

test/features/step/the_last_page_is_displayed_page.dart

@@ -2,7 +2,7 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:pdf_signature/data/repositories/document_repository.dart';
 import 'package:pdf_signature/ui/features/pdf/view_model/pdf_view_model.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 import '_world.dart';
 
 /// Usage: the last page is displayed (page {5})

test/features/step/the_user_clicks_the_go_to_apply_button.dart

@@ -1,6 +1,6 @@
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 import 'package:pdf_signature/ui/features/pdf/view_model/pdf_view_model.dart';
 import '_world.dart';
 

test/features/step/the_user_clicks_the_thumbnail_for_page.dart

@@ -1,6 +1,6 @@
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 import 'package:pdf_signature/ui/features/pdf/view_model/pdf_view_model.dart';
 import '_world.dart';
 

test/features/step/the_user_drags_it_on_the_page_of_the_document_to_place_signature_placements_in_multiple_locations_in_the_document.dart

@@ -22,7 +22,7 @@ theUserDragsItOnThePageOfTheDocumentToPlaceSignaturePlacementsInMultipleLocation
   if (!container.read(documentRepositoryProvider).loaded) {
     container
         .read(documentRepositoryProvider.notifier)
-        .openPicked(path: 'mock.pdf', pageCount: 5);
+        .openPicked(pageCount: 5);
   }
 
   container

test/features/step/the_user_drags_this_signature_card_on_the_page_of_the_document_to_place_a_signature_placement.dart

@@ -21,7 +21,7 @@ theUserDragsThisSignatureCardOnThePageOfTheDocumentToPlaceASignaturePlacement(
   if (!container.read(documentRepositoryProvider).loaded) {
     container
         .read(documentRepositoryProvider.notifier)
-        .openPicked(path: 'mock.pdf', pageCount: 5);
+        .openPicked(pageCount: 5);
   }
 
   // Get or create an asset

test/features/step/the_user_enters_into_the_go_to_input_and_applies_it.dart

@@ -1,6 +1,6 @@
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 import 'package:pdf_signature/ui/features/pdf/view_model/pdf_view_model.dart';
 import '_world.dart';
 

test/features/step/the_user_jumps_to_page.dart

@@ -1,6 +1,6 @@
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 import 'package:pdf_signature/ui/features/pdf/view_model/pdf_view_model.dart';
 import '_world.dart';
 

test/features/step/the_user_navigates_to_page_and_places_another_signature_placement.dart

@@ -4,7 +4,7 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:pdf_signature/data/repositories/document_repository.dart';
 import 'package:pdf_signature/domain/models/model.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 import 'package:pdf_signature/ui/features/pdf/view_model/pdf_view_model.dart';
 import '_world.dart';
 

test/features/step/the_user_places_it_in_multiple_locations_in_the_document.dart

@@ -12,7 +12,7 @@ Future<void> theUserPlacesItInMultipleLocationsInTheDocument(
   TestWorld.container = container;
   final notifier = container.read(documentRepositoryProvider.notifier);
   // Always open a fresh doc to avoid state bleed between scenarios
-  notifier.openPicked(path: 'mock.pdf', pageCount: 6);
+  notifier.openPicked(pageCount: 6);
   // Place two on page 2 and one on page 4
   notifier.addPlacement(page: 2, rect: const Rect.fromLTWH(10, 10, 80, 40));
   notifier.addPlacement(page: 2, rect: const Rect.fromLTWH(120, 50, 80, 40));

test/features/step/the_user_selects.dart

@@ -10,9 +10,7 @@ Future<void> theUserSelects(WidgetTester tester, dynamic file) async {
   final container = ProviderContainer();
   TestWorld.container = container;
   // Mark page for signing to enable signature ops
-  container
+  container.read(documentRepositoryProvider.notifier).openPicked(pageCount: 1);
-      .read(documentRepositoryProvider.notifier)
-      .openPicked(path: 'mock.pdf', pageCount: 1);
   // For invalid/unsupported/empty selections we do NOT set image bytes.
   // This simulates a failed load and keeps rect null.
   final token = file.toString();

test/features/step/the_user_types_into_the_go_to_input_and_presses_enter.dart

@@ -1,6 +1,6 @@
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 import 'package:pdf_signature/ui/features/pdf/view_model/pdf_view_model.dart';
 import '_world.dart';
 

test/features/step/three_signature_placements_are_placed_on_the_current_page.dart

@@ -22,9 +22,7 @@ Future<void> threeSignaturePlacementsArePlacedOnTheCurrentPage(
   container.read(signatureCardRepositoryProvider.notifier).state = [
     SignatureCard.initial(),
   ];
-  container
+  container.read(documentRepositoryProvider.notifier).openPicked(pageCount: 5);
-      .read(documentRepositoryProvider.notifier)
-      .openPicked(path: 'mock.pdf', pageCount: 5);
   final pdfN = container.read(documentRepositoryProvider.notifier);
   final page = container.read(pdfViewModelProvider);
   pdfN.addPlacement(

test/widget/export_flow_test.dart

@@ -8,7 +8,7 @@ import 'package:shared_preferences/shared_preferences.dart';
 import 'package:pdf_signature/data/services/export_service.dart';
 import 'package:pdf_signature/ui/features/pdf/widgets/ui_services.dart';
 import 'package:pdf_signature/data/repositories/preferences_repository.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 
 import 'package:pdf_signature/data/repositories/document_repository.dart';
 import 'package:pdf_signature/ui/features/pdf/widgets/pdf_screen.dart';
@@ -55,11 +55,8 @@ void main() {
           ),
           documentRepositoryProvider.overrideWith(
             (ref) =>
-                DocumentStateNotifier()..openPicked(
+                DocumentStateNotifier()
-                  path: 'test.pdf',
+                  ..openPicked(pageCount: 5, bytes: Uint8List(0)),
-                  pageCount: 5,
-                  bytes: Uint8List(0),
-                ),
           ),
           useMockViewerProvider.overrideWith((ref) => true),
           exportServiceProvider.overrideWith((_) => fake),

test/widget/helpers.dart

@@ -5,7 +5,7 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:image/image.dart' as img;
 
 import 'package:pdf_signature/ui/features/pdf/widgets/pdf_screen.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 import 'package:pdf_signature/ui/features/pdf/widgets/ui_services.dart';
 import 'package:pdf_signature/data/repositories/document_repository.dart';
 import 'package:pdf_signature/data/repositories/signature_asset_repository.dart';

test/widget/pdf_navigation_widget_test.dart

@@ -5,7 +5,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:pdf_signature/ui/features/pdf/widgets/pdf_screen.dart';
 import 'package:pdf_signature/data/repositories/document_repository.dart';
 import 'package:pdf_signature/domain/models/model.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 
 import 'package:pdf_signature/l10n/app_localizations.dart';
 

test/widget/pdf_page_area_early_jump_test.dart

@@ -4,7 +4,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 
 import 'package:pdf_signature/ui/features/pdf/widgets/pdf_page_area.dart';
 import 'package:pdf_signature/data/repositories/document_repository.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 import 'package:pdf_signature/ui/features/pdf/view_model/pdf_view_model.dart';
 
 import 'package:pdf_signature/l10n/app_localizations.dart';

test/widget/pdf_page_area_jump_test.dart

@@ -4,7 +4,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 
 import 'package:pdf_signature/ui/features/pdf/widgets/pdf_page_area.dart';
 import 'package:pdf_signature/data/repositories/document_repository.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 import 'package:pdf_signature/ui/features/pdf/view_model/pdf_view_model.dart';
 
 import 'package:pdf_signature/l10n/app_localizations.dart';

test/widget/pdf_page_area_test.dart

@@ -6,7 +6,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 
 import 'package:pdf_signature/ui/features/pdf/widgets/pdf_page_area.dart';
 import 'package:pdf_signature/data/repositories/document_repository.dart';
-import 'package:pdf_signature/ui/features/pdf/widgets/pdf_providers.dart';
+import 'package:pdf_signature/ui/features/pdf/view_model/pdf_providers.dart';
 
 import 'package:pdf_signature/l10n/app_localizations.dart';
 import 'package:pdf_signature/domain/models/model.dart';