Initial commit

src/PowderCoating.Application/DTOs/Import/AppointmentImportDto.cs

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+using CsvHelper.Configuration.Attributes;
+
+namespace PowderCoating.Application.DTOs.Import;
+
+/// <summary>
+/// DTO for importing appointments from CSV files.
+/// </summary>
+public class AppointmentImportDto
+{
+    [Name("AppointmentNumber")]
+    public string? AppointmentNumber { get; set; }
+
+    [Name("CustomerEmail")]
+    public string? CustomerEmail { get; set; }
+
+    [Name("AppointmentType")]
+    public string AppointmentType { get; set; } = string.Empty;
+
+    [Name("Status")]
+    public string Status { get; set; } = "Scheduled";
+
+    [Name("ScheduledStart")]
+    public DateTime ScheduledStart { get; set; }
+
+    [Name("ScheduledEnd")]
+    public DateTime ScheduledEnd { get; set; }
+
+    [Name("Title")]
+    public string Title { get; set; } = string.Empty;
+
+    [Name("Description")]
+    public string? Description { get; set; }
+
+    [Name("Location")]
+    public string? Location { get; set; }
+
+    [Name("Notes")]
+    public string? Notes { get; set; }
+}

src/PowderCoating.Application/DTOs/Import/CatalogItemImportDto.cs

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+using CsvHelper.Configuration.Attributes;
+
+namespace PowderCoating.Application.DTOs.Import;
+
+/// <summary>
+/// DTO for importing catalog items from CSV files.
+/// </summary>
+public class CatalogItemImportDto
+{
+    [Name("CategoryPath")]
+    public string CategoryPath { get; set; } = string.Empty;
+
+    [Name("ItemName")]
+    public string ItemName { get; set; } = string.Empty;
+
+    [Name("SKU")]
+    public string? SKU { get; set; }
+
+    [Name("Description")]
+    public string? Description { get; set; }
+
+    [Name("BasePrice")]
+    public decimal? BasePrice { get; set; }
+
+    [Name("ApproximateArea")]
+    public decimal? ApproximateArea { get; set; }
+
+    [Name("EstimatedMinutes")]
+    public int? EstimatedMinutes { get; set; }
+
+    [Name("RequiresSandblasting")]
+    public bool? RequiresSandblasting { get; set; }
+
+    [Name("RequiresMasking")]
+    public bool? RequiresMasking { get; set; }
+
+    [Name("IsActive")]
+    public bool? IsActive { get; set; }
+}

src/PowderCoating.Application/DTOs/Import/ChartOfAccountsImportDto.cs

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+using CsvHelper.Configuration.Attributes;
+
+namespace PowderCoating.Application.DTOs.Import;
+
+/// <summary>
+/// DTO for importing Chart of Accounts entries from CSV.
+/// AccountNumber must be unique per company. System accounts (IsSystem=true) are
+/// skipped on import — they are managed by the platform seed data only.
+/// </summary>
+public class ChartOfAccountsImportDto
+{
+    [Name("AccountNumber")]
+    public string AccountNumber { get; set; } = string.Empty;
+
+    [Name("Name")]
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>Asset, Liability, Equity, Revenue, CostOfGoods, Expense</summary>
+    [Name("AccountType")]
+    public string AccountType { get; set; } = string.Empty;
+
+    /// <summary>AccountSubType enum name (e.g. Checking, AccountsReceivable, Sales).</summary>
+    [Name("AccountSubType")]
+    public string AccountSubType { get; set; } = string.Empty;
+
+    [Name("Description")]
+    public string? Description { get; set; }
+
+    [Name("OpeningBalance")]
+    public decimal? OpeningBalance { get; set; }
+
+    [Name("OpeningBalanceDate")]
+    public string? OpeningBalanceDate { get; set; }
+
+    [Name("IsActive")]
+    public bool? IsActive { get; set; }
+}

src/PowderCoating.Application/DTOs/Import/CsvImportResultDto.cs

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+namespace PowderCoating.Application.DTOs.Import;
+
+/// <summary>
+/// Result of a CSV bulk import operation.
+/// </summary>
+public class CsvImportResultDto
+{
+    public bool Success { get; set; }
+    public int SuccessCount { get; set; }
+    public int ErrorCount { get; set; }
+    public int SkippedCount { get; set; }
+    public int TotalRows { get; set; }
+    public List<string> Errors { get; set; } = new();
+    public List<string> Warnings { get; set; } = new();
+
+    public string Summary
+    {
+        get
+        {
+            var parts = new List<string> { $"{SuccessCount} imported" };
+            if (SkippedCount > 0) parts.Add($"{SkippedCount} skipped (already exist)");
+            if (ErrorCount > 0)   parts.Add($"{ErrorCount} failed");
+            parts.Add($"{TotalRows} total rows");
+            return string.Join(", ", parts) + ".";
+        }
+    }
+}

src/PowderCoating.Application/DTOs/Import/CustomerImportDto.cs

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+using CsvHelper.Configuration.Attributes;
+
+namespace PowderCoating.Application.DTOs.Import;
+
+/// <summary>
+/// DTO for importing customers from CSV files.
+/// </summary>
+public class CustomerImportDto
+{
+    [Name("CompanyName")]
+    public string CompanyName { get; set; } = string.Empty;
+
+    [Name("ContactFirstName")]
+    public string? ContactFirstName { get; set; }
+
+    [Name("ContactLastName")]
+    public string? ContactLastName { get; set; }
+
+    [Name("Email")]
+    public string? Email { get; set; }
+
+    [Name("Phone")]
+    public string? Phone { get; set; }
+
+    [Name("MobilePhone")]
+    public string? MobilePhone { get; set; }
+
+    [Name("Address")]
+    public string? Address { get; set; }
+
+    [Name("City")]
+    public string? City { get; set; }
+
+    [Name("State")]
+    public string? State { get; set; }
+
+    [Name("ZipCode")]
+    public string? ZipCode { get; set; }
+
+    [Name("Country")]
+    public string? Country { get; set; }
+
+    [Name("CustomerType")]
+    public string? CustomerType { get; set; }
+
+    [Name("PricingTierCode")]
+    public string? PricingTierCode { get; set; }
+
+    [Name("CreditLimit")]
+    public decimal? CreditLimit { get; set; }
+
+    [Name("PaymentTerms")]
+    public string? PaymentTerms { get; set; }
+
+    [Name("TaxExempt")]
+    public bool? TaxExempt { get; set; }
+
+    [Name("TaxId")]
+    public string? TaxId { get; set; }
+
+    [Name("IsActive")]
+    public bool? IsActive { get; set; }
+
+    [Name("Notes")]
+    public string? Notes { get; set; }
+}

src/PowderCoating.Application/DTOs/Import/EquipmentImportDto.cs

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+using CsvHelper.Configuration.Attributes;
+
+namespace PowderCoating.Application.DTOs.Import;
+
+/// <summary>
+/// DTO for importing equipment from CSV files.
+/// </summary>
+public class EquipmentImportDto
+{
+    [Name("EquipmentName")]
+    public string EquipmentName { get; set; } = string.Empty;
+
+    [Name("EquipmentNumber")]
+    public string? EquipmentNumber { get; set; }
+
+    [Name("EquipmentType")]
+    public string EquipmentType { get; set; } = string.Empty;
+
+    [Name("Manufacturer")]
+    public string? Manufacturer { get; set; }
+
+    [Name("Model")]
+    public string? Model { get; set; }
+
+    [Name("SerialNumber")]
+    public string? SerialNumber { get; set; }
+
+    [Name("PurchaseDate")]
+    public DateTime? PurchaseDate { get; set; }
+
+    [Name("PurchasePrice")]
+    public decimal? PurchasePrice { get; set; }
+
+    [Name("WarrantyExpiration")]
+    public DateTime? WarrantyExpiration { get; set; }
+
+    [Name("Location")]
+    public string? Location { get; set; }
+
+    [Name("RecommendedMaintenanceIntervalDays")]
+    public int? RecommendedMaintenanceIntervalDays { get; set; }
+
+    [Name("Status")]
+    public string Status { get; set; } = "Operational";
+
+    [Name("IsActive")]
+    public bool? IsActive { get; set; }
+
+    [Name("Notes")]
+    public string? Notes { get; set; }
+}

src/PowderCoating.Application/DTOs/Import/ExpenseImportDto.cs

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+using CsvHelper.Configuration.Attributes;
+
+namespace PowderCoating.Application.DTOs.Import;
+
+/// <summary>
+/// DTO for importing expenses from CSV files.
+/// ExpenseNumber is optional — a new EXP-YYMM-#### number is generated when left blank.
+/// ExpenseAccountNumber and PaymentAccountNumber are matched against Account.AccountNumber.
+/// VendorName is matched against Vendor.CompanyName (optional).
+/// JobNumber is matched against Job.JobNumber (optional).
+/// PaymentMethod accepts: Cash, Check, CreditDebitCard, BankTransferACH, DigitalPayment.
+/// </summary>
+public class ExpenseImportDto
+{
+    // Optional — auto-generated if blank
+    [Name("ExpenseNumber")]
+    public string? ExpenseNumber { get; set; }
+
+    [Name("Date")]
+    public DateTime Date { get; set; }
+
+    // Optional — matched to Vendor by CompanyName
+    [Name("VendorName")]
+    public string? VendorName { get; set; }
+
+    // Required — matched to Account by AccountNumber (e.g. "6200")
+    [Name("ExpenseAccountNumber")]
+    public string ExpenseAccountNumber { get; set; } = string.Empty;
+
+    // Required — matched to Account by AccountNumber (e.g. "1000")
+    [Name("PaymentAccountNumber")]
+    public string PaymentAccountNumber { get; set; } = string.Empty;
+
+    // Optional — matched to Job by JobNumber
+    [Name("JobNumber")]
+    public string? JobNumber { get; set; }
+
+    [Name("PaymentMethod")]
+    public string PaymentMethod { get; set; } = "Cash";
+
+    [Name("Amount")]
+    public decimal Amount { get; set; }
+
+    [Name("Memo")]
+    public string? Memo { get; set; }
+}

src/PowderCoating.Application/DTOs/Import/InventoryItemImportDto.cs

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+using CsvHelper.Configuration.Attributes;
+
+namespace PowderCoating.Application.DTOs.Import;
+
+/// <summary>
+/// DTO for importing inventory items from CSV files.
+/// </summary>
+public class InventoryItemImportDto
+{
+    [Name("SKU")]
+    public string SKU { get; set; } = string.Empty;
+
+    // "Name" = old export header; "ItemName" = new export header
+    [Name("ItemName", "Name")]
+    public string ItemName { get; set; } = string.Empty;
+
+    [Name("Description")]
+    public string? Description { get; set; }
+
+    // "Category" = old export header; "CategoryName" = new export header
+    [Name("CategoryName", "Category")]
+    public string? CategoryName { get; set; }
+
+    [Name("Manufacturer")]
+    public string? Manufacturer { get; set; }
+
+    [Name("ManufacturerPartNumber")]
+    public string? ManufacturerPartNumber { get; set; }
+
+    // "Color" = old export header; "ColorName" = new export header
+    [Name("ColorName", "Color")]
+    public string? ColorName { get; set; }
+
+    [Name("ColorCode")]
+    public string? ColorCode { get; set; }
+
+    [Name("Finish")]
+    public string? Finish { get; set; }
+
+    // Vendor name is used to look up PrimaryVendorId
+    [Name("VendorName")]
+    public string? VendorName { get; set; }
+
+    [Name("VendorPartNumber")]
+    public string? VendorPartNumber { get; set; }
+
+    // "QuantityOnHand" / "Qty on Hand" = old export headers; "QuantityInStock" = new export header
+    [Name("QuantityInStock", "QuantityOnHand", "Qty on Hand")]
+    public decimal? QuantityInStock { get; set; }
+
+    // "Unit" = old export header; "UnitOfMeasure" = new export header
+    [Name("UnitOfMeasure", "Unit")]
+    public string? UnitOfMeasure { get; set; }
+
+    // "Unit Cost" = old export header; "UnitCost" = new export header
+    [Name("UnitCost", "Unit Cost")]
+    public decimal? UnitCost { get; set; }
+
+    [Name("LastPurchasePrice")]
+    public decimal? LastPurchasePrice { get; set; }
+
+    // "Reorder Point" = old export header; "ReorderPoint" = new export header
+    [Name("ReorderPoint", "Reorder Point")]
+    public decimal? ReorderPoint { get; set; }
+
+    [Name("ReorderQuantity")]
+    public decimal? ReorderQuantity { get; set; }
+
+    [Name("MinimumStock")]
+    public decimal? MinimumStock { get; set; }
+
+    [Name("MaximumStock")]
+    public decimal? MaximumStock { get; set; }
+
+    // Powder-specific coverage fields
+    [Name("CoverageSqFtPerLb")]
+    public decimal? CoverageSqFtPerLb { get; set; }
+
+    [Name("TransferEfficiencyPct")]
+    public decimal? TransferEfficiencyPct { get; set; }
+
+    [Name("Location")]
+    public string? Location { get; set; }
+
+    // "Active" = old export header (Yes/No); "IsActive" = new export header (true/false)
+    [Name("IsActive", "Active")]
+    public bool? IsActive { get; set; }
+
+    [Name("Notes")]
+    public string? Notes { get; set; }
+}

src/PowderCoating.Application/DTOs/Import/InvoiceImportDto.cs

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+using CsvHelper.Configuration.Attributes;
+
+namespace PowderCoating.Application.DTOs.Import;
+
+/// <summary>
+/// DTO for importing invoice headers from CSV files.
+/// Column names match the native CSV export (ExportInvoicesCsv) for round-trip compatibility.
+/// CustomerEmail is an additional optional column for more reliable customer matching when
+/// the file did not originate from the native export.
+/// </summary>
+public class InvoiceImportDto
+{
+    [Name("InvoiceNumber")]
+    public string? InvoiceNumber { get; set; }
+
+    // Customer resolution: email takes priority, name is the fallback
+    [Name("CustomerEmail")]
+    public string? CustomerEmail { get; set; }
+
+    // "Customer" matches the column written by ExportInvoicesCsv
+    [Name("Customer")]
+    public string? CustomerName { get; set; }
+
+    [Name("JobNumber")]
+    public string? JobNumber { get; set; }
+
+    [Name("Status")]
+    public string Status { get; set; } = "Draft";
+
+    [Name("InvoiceDate")]
+    public DateTime InvoiceDate { get; set; }
+
+    [Name("DueDate")]
+    public DateTime? DueDate { get; set; }
+
+    [Name("SubTotal")]
+    public decimal SubTotal { get; set; }
+
+    [Name("TaxPercent")]
+    public decimal TaxPercent { get; set; }
+
+    [Name("TaxAmount")]
+    public decimal TaxAmount { get; set; }
+
+    [Name("DiscountAmount")]
+    public decimal DiscountAmount { get; set; }
+
+    [Name("Total")]
+    public decimal Total { get; set; }
+
+    [Name("AmountPaid")]
+    public decimal AmountPaid { get; set; }
+
+    // BalanceDue is computed (Total - AmountPaid); ignored on import
+    [Ignore]
+    public decimal BalanceDue { get; set; }
+
+    [Name("CustomerPO")]
+    public string? CustomerPO { get; set; }
+
+    [Name("Terms")]
+    public string? Terms { get; set; }
+
+    [Name("Notes")]
+    public string? Notes { get; set; }
+}

src/PowderCoating.Application/DTOs/Import/JobImportDto.cs

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+using CsvHelper.Configuration.Attributes;
+
+namespace PowderCoating.Application.DTOs.Import;
+
+/// <summary>
+/// DTO for importing jobs from CSV files.
+/// CustomerEmail is the preferred customer lookup key; CustomerName is used as a fallback
+/// when the customer has no email address on file (the importer tries email first, then name).
+/// </summary>
+public class JobImportDto
+{
+    // "Job Number" = old export header (spaced); "JobNumber" = current header
+    [Name("JobNumber", "Job Number")]
+    public string? JobNumber { get; set; }
+
+    // Optional — importer falls back to CustomerName when blank
+    [Name("CustomerEmail")]
+    public string? CustomerEmail { get; set; }
+
+    // Fallback identifier when CustomerEmail is absent; matched against CompanyName
+    [Name("CustomerName")]
+    public string? CustomerName { get; set; }
+
+    [Name("Status")]
+    public string Status { get; set; } = "Pending";
+
+    [Name("Priority")]
+    public string Priority { get; set; } = "Normal";
+
+    [Name("ScheduledDate")]
+    public DateTime? ScheduledDate { get; set; }
+
+    // "Due Date" = old export header (spaced); "DueDate" = current header
+    [Name("DueDate", "Due Date")]
+    public DateTime? DueDate { get; set; }
+
+    // "Final Price" = old export header (spaced); "FinalPrice" = current header
+    [Name("FinalPrice", "Final Price")]
+    public decimal? FinalPrice { get; set; }
+
+    [Name("CustomerPO")]
+    public string? CustomerPO { get; set; }
+
+    [Name("SpecialInstructions")]
+    public string? SpecialInstructions { get; set; }
+
+    [Name("Notes")]
+    public string? Notes { get; set; }
+}

src/PowderCoating.Application/DTOs/Import/MaintenanceImportDto.cs

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+using CsvHelper.Configuration.Attributes;
+
+namespace PowderCoating.Application.DTOs.Import;
+
+/// <summary>
+/// DTO for importing maintenance records from CSV files.
+/// </summary>
+public class MaintenanceImportDto
+{
+    [Name("EquipmentName")]
+    public string EquipmentName { get; set; } = string.Empty;
+
+    [Name("MaintenanceType")]
+    public string MaintenanceType { get; set; } = string.Empty;
+
+    [Name("ScheduledDate")]
+    public DateTime ScheduledDate { get; set; }
+
+    [Name("CompletedDate")]
+    public DateTime? CompletedDate { get; set; }
+
+    [Name("Status")]
+    public string Status { get; set; } = "Scheduled";
+
+    [Name("Priority")]
+    public string Priority { get; set; } = "Normal";
+
+    [Name("LaborCost")]
+    public decimal? LaborCost { get; set; }
+
+    [Name("PartsCost")]
+    public decimal? PartsCost { get; set; }
+
+    [Name("TotalCost")]
+    public decimal? TotalCost { get; set; }
+
+    [Name("Description")]
+    public string Description { get; set; } = string.Empty;
+
+    [Name("WorkPerformed")]
+    public string? WorkPerformed { get; set; }
+
+    [Name("Notes")]
+    public string? Notes { get; set; }
+}

src/PowderCoating.Application/DTOs/Import/PaymentImportDto.cs

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+using CsvHelper.Configuration.Attributes;
+
+namespace PowderCoating.Application.DTOs.Import;
+
+/// <summary>
+/// DTO for importing payment records from CSV. Column names match the native
+/// ExportPaymentsCsv output for round-trip compatibility. Payments are matched
+/// to invoices by InvoiceNumber; duplicates are detected by InvoiceNumber + PaymentDate + Amount.
+/// </summary>
+public class PaymentImportDto
+{
+    [Name("InvoiceNumber")]
+    public string? InvoiceNumber { get; set; }
+
+    [Name("Amount")]
+    public decimal Amount { get; set; }
+
+    [Name("PaymentDate")]
+    public DateTime PaymentDate { get; set; }
+
+    /// <summary>
+    /// Valid values: Cash, Check, CreditDebitCard, BankTransferACH, DigitalPayment
+    /// </summary>
+    [Name("PaymentMethod")]
+    public string PaymentMethod { get; set; } = "Cash";
+
+    [Name("Reference")]
+    public string? Reference { get; set; }
+
+    [Name("Notes")]
+    public string? Notes { get; set; }
+}

src/PowderCoating.Application/DTOs/Import/PrepServiceImportDto.cs

@@ -0,0 +1,21 @@
+using CsvHelper.Configuration.Attributes;
+
+namespace PowderCoating.Application.DTOs.Import;
+
+/// <summary>
+/// DTO for importing prep services from CSV files.
+/// </summary>
+public class PrepServiceImportDto
+{
+    [Name("ServiceName")]
+    public string ServiceName { get; set; } = string.Empty;
+
+    [Name("Description")]
+    public string? Description { get; set; }
+
+    [Name("DisplayOrder")]
+    public int? DisplayOrder { get; set; }
+
+    [Name("IsActive")]
+    public bool? IsActive { get; set; }
+}

src/PowderCoating.Application/DTOs/Import/PurchaseOrderImportDto.cs

@@ -0,0 +1,44 @@
+using CsvHelper.Configuration.Attributes;
+
+namespace PowderCoating.Application.DTOs.Import;
+
+/// <summary>
+/// DTO for importing purchase order headers from CSV. Column names match the native
+/// ExportPurchaseOrdersCsv output for round-trip compatibility. Upsert key is PoNumber.
+/// </summary>
+public class PurchaseOrderImportDto
+{
+    [Name("PoNumber")]
+    public string? PoNumber { get; set; }
+
+    /// <summary>Vendor company name — must match an existing vendor record.</summary>
+    [Name("Vendor")]
+    public string? Vendor { get; set; }
+
+    /// <summary>
+    /// Valid values: Draft, Submitted, PartiallyReceived, Received, Cancelled
+    /// </summary>
+    [Name("Status")]
+    public string Status { get; set; } = "Draft";
+
+    [Name("OrderDate")]
+    public DateTime OrderDate { get; set; }
+
+    [Name("ExpectedDeliveryDate")]
+    public DateTime? ExpectedDeliveryDate { get; set; }
+
+    [Name("ReceivedDate")]
+    public DateTime? ReceivedDate { get; set; }
+
+    [Name("SubTotal")]
+    public decimal SubTotal { get; set; }
+
+    [Name("ShippingCost")]
+    public decimal ShippingCost { get; set; }
+
+    [Name("TotalAmount")]
+    public decimal TotalAmount { get; set; }
+
+    [Name("Notes")]
+    public string? Notes { get; set; }
+}

src/PowderCoating.Application/DTOs/Import/QuoteImportDto.cs

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+using CsvHelper.Configuration.Attributes;
+
+namespace PowderCoating.Application.DTOs.Import;
+
+/// <summary>
+/// DTO for importing quotes from CSV files.
+/// </summary>
+public class QuoteImportDto
+{
+    [Name("QuoteNumber")]
+    public string? QuoteNumber { get; set; }
+
+    [Name("CustomerEmail")]
+    public string? CustomerEmail { get; set; }
+
+    // Fallback when CustomerEmail is absent; matched against CompanyName then ContactName
+    [Name("CustomerName")]
+    public string? CustomerName { get; set; }
+
+    [Name("ProspectCompany")]
+    public string? ProspectCompany { get; set; }
+
+    [Name("ProspectContact")]
+    public string? ProspectContact { get; set; }
+
+    [Name("ProspectEmail")]
+    public string? ProspectEmail { get; set; }
+
+    [Name("ProspectPhone")]
+    public string? ProspectPhone { get; set; }
+
+    [Name("Status")]
+    public string Status { get; set; } = "Draft";
+
+    [Name("QuoteDate")]
+    public DateTime QuoteDate { get; set; }
+
+    [Name("ExpirationDate")]
+    public DateTime? ExpirationDate { get; set; }
+
+    [Name("Subtotal")]
+    public decimal Subtotal { get; set; }
+
+    [Name("TaxAmount")]
+    public decimal TaxAmount { get; set; }
+
+    [Name("Total")]
+    public decimal Total { get; set; }
+
+    [Name("Notes")]
+    public string? Notes { get; set; }
+
+    [Name("TermsAndConditions")]
+    public string? TermsAndConditions { get; set; }
+}

src/PowderCoating.Application/DTOs/Import/ShopWorkerImportDto.cs

@@ -0,0 +1,28 @@
+using CsvHelper.Configuration.Attributes;
+
+namespace PowderCoating.Application.DTOs.Import;
+
+/// <summary>
+/// DTO for importing shop workers from CSV files.
+/// Valid Role values: GeneralLabor, Sandblaster, Coater, Masker, QualityControl, OvenOperator, Supervisor, Maintenance
+/// </summary>
+public class ShopWorkerImportDto
+{
+    [Name("Name")]
+    public string Name { get; set; } = string.Empty;
+
+    [Name("Role")]
+    public string Role { get; set; } = "GeneralLabor";
+
+    [Name("Phone")]
+    public string? Phone { get; set; }
+
+    [Name("Email")]
+    public string? Email { get; set; }
+
+    [Name("IsActive")]
+    public bool? IsActive { get; set; }
+
+    [Name("Notes")]
+    public string? Notes { get; set; }
+}

src/PowderCoating.Application/DTOs/Import/VendorImportDto.cs

@@ -0,0 +1,60 @@
+using CsvHelper.Configuration.Attributes;
+
+namespace PowderCoating.Application.DTOs.Import;
+
+/// <summary>
+/// DTO for importing vendors from CSV files.
+/// </summary>
+public class VendorImportDto
+{
+    [Name("CompanyName")]
+    public string CompanyName { get; set; } = string.Empty;
+
+    [Name("ContactName")]
+    public string? ContactName { get; set; }
+
+    [Name("Email")]
+    public string? Email { get; set; }
+
+    [Name("Phone")]
+    public string? Phone { get; set; }
+
+    [Name("Address")]
+    public string? Address { get; set; }
+
+    [Name("City")]
+    public string? City { get; set; }
+
+    [Name("State")]
+    public string? State { get; set; }
+
+    [Name("ZipCode")]
+    public string? ZipCode { get; set; }
+
+    [Name("Country")]
+    public string? Country { get; set; }
+
+    [Name("Website")]
+    public string? Website { get; set; }
+
+    [Name("AccountNumber")]
+    public string? AccountNumber { get; set; }
+
+    [Name("TaxId")]
+    public string? TaxId { get; set; }
+
+    [Name("PaymentTerms")]
+    public string? PaymentTerms { get; set; }
+
+    [Name("CreditLimit")]
+    public decimal? CreditLimit { get; set; }
+
+    [Name("IsPreferred")]
+    public bool? IsPreferred { get; set; }
+
+    [Name("IsActive")]
+    public bool? IsActive { get; set; }
+
+    [Name("Notes")]
+    public string? Notes { get; set; }
+}