Добавьте файлы проекта.

Configuration/CrawlerOptions.cs

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+namespace CRAWLER.Configuration;
+
+internal sealed class CrawlerOptions
+{
+    public string BaseUrl { get; set; } = "https://www.ktopoverit.ru";
+    public string CatalogPathFormat { get; set; } = "/poverka/gosreestr_sredstv_izmereniy?page={0}";
+    public int RequestDelayMilliseconds { get; set; } = 350;
+    public int DefaultPagesToScan { get; set; } = 1;
+    public string PdfStoragePath { get; set; } = "%LOCALAPPDATA%\\CRAWLER\\PdfStore";
+    public int TimeoutSeconds { get; set; } = 30;
+    public string UserAgent { get; set; } = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) CRAWLER/1.0";
+}

Configuration/DatabaseOptions.cs

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+namespace CRAWLER.Configuration;
+
+internal sealed class DatabaseOptions
+{
+    public string ApplicationName { get; set; } = "CRAWLER";
+    public int CommandTimeoutSeconds { get; set; } = 60;
+    public int ConnectRetryCount { get; set; } = 3;
+    public int ConnectRetryIntervalSeconds { get; set; } = 5;
+    public int ConnectTimeoutSeconds { get; set; } = 15;
+    public string Database { get; set; } = "CRAWLER";
+    public bool Encrypt { get; set; }
+    public bool IntegratedSecurity { get; set; } = true;
+    public bool MultipleActiveResultSets { get; set; } = true;
+    public bool Pooling { get; set; } = true;
+    public int MaxPoolSize { get; set; } = 100;
+    public int MinPoolSize { get; set; }
+    public string Server { get; set; } = @".\SQLEXPRESS";
+    public bool TrustServerCertificate { get; set; } = true;
+}