edit

MainWindow.xaml

@@ -53,9 +53,6 @@
                              VerticalAlignment="Center"
                              KeyDown="SearchTextBox_KeyDown"
                              Text="{Binding SearchText, UpdateSourceTrigger=PropertyChanged}" />
-                    <Button Margin="0,0,8,0"
-                            Click="RefreshButton_Click"
-                            Content="Обновить список" />
                     <TextBlock Margin="12,0,8,0"
                                VerticalAlignment="Center"
                                FontWeight="SemiBold"
@@ -94,7 +91,7 @@
 
             <GroupBox Grid.Column="0" Header="Реестр средств измерений">
                 <Grid Margin="8">
-                    <DataGrid x:Name="InstrumentGrid"
+                    <DataGrid x:Name="InstrumentGrid" AutoGenerateColumns="False"
                               ItemsSource="{Binding Instruments}"
                               SelectedItem="{Binding SelectedSummary, Mode=TwoWay}"
                               IsReadOnly="True"
@@ -241,7 +238,7 @@
                                             Content="Удалить привязку" />
                                 </StackPanel>
 
-                                <DataGrid x:Name="AttachmentGrid"
+                                <DataGrid x:Name="AttachmentGrid" AutoGenerateColumns="False"
                                           Grid.Row="1"
                                           ItemsSource="{Binding SelectedInstrument.Attachments}"
                                           IsReadOnly="True">

MainWindow.xaml.cs

@@ -29,11 +29,6 @@ public partial class MainWindow : Window
         await ExecuteUiAsync(_viewModel.InitializeAsync);
     }
 
-    private async void RefreshButton_Click(object sender, RoutedEventArgs e)
-    {
-        await ExecuteUiAsync(() => _viewModel.RefreshAsync());
-    }
-
     private async void SyncButton_Click(object sender, RoutedEventArgs e)
     {
         await ExecuteUiAsync(async () =>

Services/PdfStorageService.cs

@@ -15,7 +15,15 @@ internal sealed class PdfStorageService
         _client = client;
         var options = configuration.GetSection("Crawler").Get<CrawlerOptions>()
                       ?? throw new InvalidOperationException("Раздел Crawler не найден в appsettings.json.");
-        _rootPath = Environment.ExpandEnvironmentVariables(options.PdfStoragePath);
+        var configuredPath = Environment.ExpandEnvironmentVariables(options.PdfStoragePath ?? string.Empty).Trim();
+        if (string.IsNullOrWhiteSpace(configuredPath))
+        {
+            configuredPath = "PdfStore";
+        }
+
+        _rootPath = Path.IsPathRooted(configuredPath)
+            ? configuredPath
+            : Path.GetFullPath(Path.Combine(AppContext.BaseDirectory, configuredPath));
         Directory.CreateDirectory(_rootPath);
     }
 

ViewModels/MainWindowViewModel.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
 using System.Threading;
@@ -11,6 +12,8 @@ namespace CRAWLER.ViewModels;
 
 internal sealed class MainWindowViewModel : ObservableObject
 {
+    private const int SearchRefreshDelayMilliseconds = 350;
+
     private readonly InstrumentCatalogService _catalogService;
     private readonly IPdfOpener _pdfOpener;
     private InstrumentSummary _selectedSummary;
@@ -19,6 +22,8 @@ internal sealed class MainWindowViewModel : ObservableObject
     private int _pagesToScan;
     private string _statusText;
     private bool _isBusy;
+    private bool _isInitialized;
+    private CancellationTokenSource _searchRefreshCancellationTokenSource;
     private CancellationTokenSource _selectionCancellationTokenSource;
 
     public MainWindowViewModel(InstrumentCatalogService catalogService, IPdfOpener pdfOpener)
@@ -53,7 +58,13 @@ internal sealed class MainWindowViewModel : ObservableObject
     public string SearchText
     {
         get { return _searchText; }
-        set { SetProperty(ref _searchText, value); }
+        set
+        {
+            if (SetProperty(ref _searchText, value) && _isInitialized)
+            {
+                ScheduleSearchRefresh();
+            }
+        }
     }
 
     public int PagesToScan
@@ -80,40 +91,14 @@ internal sealed class MainWindowViewModel : ObservableObject
         {
             StatusText = "Подготовка базы данных...";
             await _catalogService.InitializeAsync(CancellationToken.None);
-            await RefreshAsync();
+            await RefreshCoreAsync();
+            _isInitialized = true;
         });
     }
 
     public async Task RefreshAsync(long? selectId = null)
     {
-        await RunBusyAsync(async () =>
+        await RunBusyAsync(() => RefreshCoreAsync(selectId));
-        {
-            StatusText = "Загрузка списка записей...";
-
-            var items = await _catalogService.SearchAsync(SearchText, CancellationToken.None);
-            Instruments.Clear();
-            foreach (var item in items)
-            {
-                Instruments.Add(item);
-            }
-
-            if (Instruments.Count == 0)
-            {
-                SelectedInstrument = null;
-                SelectedSummary = null;
-                StatusText = "Записи не найдены.";
-                return;
-            }
-
-            var summary = selectId.HasValue
-                ? Instruments.FirstOrDefault(item => item.Id == selectId.Value)
-                : SelectedSummary == null
-                    ? Instruments.FirstOrDefault()
-                    : Instruments.FirstOrDefault(item => item.Id == SelectedSummary.Id) ?? Instruments.FirstOrDefault();
-
-            SelectedSummary = summary;
-            StatusText = $"Загружено записей: {Instruments.Count}.";
-        });
     }
 
     public async Task<SyncResult> SyncAsync()
@@ -124,7 +109,7 @@ internal sealed class MainWindowViewModel : ObservableObject
         {
             var progress = new Progress<string>(message => StatusText = message);
             result = await _catalogService.SyncFromSiteAsync(PagesToScan, progress, CancellationToken.None);
-            await RefreshAsync(SelectedSummary?.Id);
+            await RefreshCoreAsync(SelectedSummary?.Id);
         });
 
         return result;
@@ -143,7 +128,7 @@ internal sealed class MainWindowViewModel : ObservableObject
         return SelectedInstrument?.Clone();
     }
 
-    public async Task<long> SaveAsync(InstrumentRecord draft, System.Collections.Generic.IEnumerable<string> pendingPdfPaths)
+    public async Task<long> SaveAsync(InstrumentRecord draft, IEnumerable<string> pendingPdfPaths)
     {
         long id = 0;
 
@@ -151,7 +136,7 @@ internal sealed class MainWindowViewModel : ObservableObject
         {
             StatusText = "Сохранение записи...";
             id = await _catalogService.SaveInstrumentAsync(draft, pendingPdfPaths, CancellationToken.None);
-            await RefreshAsync(id);
+            await RefreshCoreAsync(id);
             StatusText = "Изменения сохранены.";
         });
 
@@ -171,12 +156,12 @@ internal sealed class MainWindowViewModel : ObservableObject
         {
             StatusText = "Удаление записи...";
             await _catalogService.DeleteInstrumentAsync(SelectedInstrument, CancellationToken.None);
-            await RefreshAsync();
+            await RefreshCoreAsync();
             StatusText = $"Запись {deletedId} удалена.";
         });
     }
 
-    public async Task AddAttachmentsToSelectedAsync(System.Collections.Generic.IEnumerable<string> paths)
+    public async Task AddAttachmentsToSelectedAsync(IEnumerable<string> paths)
     {
         if (SelectedInstrument == null)
         {
@@ -221,9 +206,66 @@ internal sealed class MainWindowViewModel : ObservableObject
         }
     }
 
+    private async Task RefreshCoreAsync(long? selectId = null)
+    {
+        StatusText = "Загрузка списка записей...";
+
+        var items = await _catalogService.SearchAsync(SearchText, CancellationToken.None);
+        Instruments.Clear();
+        foreach (var item in items)
+        {
+            Instruments.Add(item);
+        }
+
+        if (Instruments.Count == 0)
+        {
+            SelectedInstrument = null;
+            SelectedSummary = null;
+            StatusText = "Записи не найдены.";
+            return;
+        }
+
+        var summary = selectId.HasValue
+            ? Instruments.FirstOrDefault(item => item.Id == selectId.Value)
+            : SelectedSummary == null
+                ? Instruments.FirstOrDefault()
+                : Instruments.FirstOrDefault(item => item.Id == SelectedSummary.Id) ?? Instruments.FirstOrDefault();
+
+        SelectedSummary = summary;
+        StatusText = $"Загружено записей: {Instruments.Count}.";
+    }
+
+    private void ScheduleSearchRefresh()
+    {
+        _searchRefreshCancellationTokenSource?.Cancel();
+        _searchRefreshCancellationTokenSource?.Dispose();
+        _searchRefreshCancellationTokenSource = new CancellationTokenSource();
+        _ = RunSearchRefreshAsync(_searchRefreshCancellationTokenSource.Token);
+    }
+
+    private async Task RunSearchRefreshAsync(CancellationToken cancellationToken)
+    {
+        try
+        {
+            await Task.Delay(SearchRefreshDelayMilliseconds, cancellationToken);
+
+            while (IsBusy)
+            {
+                await Task.Delay(100, cancellationToken);
+            }
+
+            cancellationToken.ThrowIfCancellationRequested();
+            await RefreshAsync();
+        }
+        catch (OperationCanceledException)
+        {
+        }
+    }
+
     private async Task LoadSelectedInstrumentAsync(long? id)
     {
         _selectionCancellationTokenSource?.Cancel();
+        _selectionCancellationTokenSource?.Dispose();
         _selectionCancellationTokenSource = new CancellationTokenSource();
         var token = _selectionCancellationTokenSource.Token;
 

appsettings.json

@@ -20,7 +20,7 @@
     "CatalogPathFormat": "/poverka/gosreestr_sredstv_izmereniy?page={0}",
     "RequestDelayMilliseconds": 350,
     "DefaultPagesToScan": 1,
-    "PdfStoragePath": "%LOCALAPPDATA%\\CRAWLER\\PdfStore",
+    "PdfStoragePath": "PdfStore",
     "TimeoutSeconds": 30,
     "UserAgent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) CRAWLER/1.0"
   }