ui fixers in 10/16

Backend/ERPCore/Dtos/Sales/SalesInvoiceDtos.cs

@@ -24,6 +24,9 @@ public sealed record SalesInvoiceDto(
     DateTime? UpdatedAt, string? GlJournalNo, DateTime? GlPostedAt,
     SalesInvoiceTotalsDto Totals, IReadOnlyList<SalesInvoiceLineDto> Lines);
 
+/// <summary>Totals over every invoice matching the list filters (GET sales-invoices/totals) — not just one page.</summary>
+public sealed record SalesInvoiceListTotalsDto(int Count, decimal NetTotal, decimal PaidTotal, decimal BalanceTotal, int UnpaidCount, int OverdueCount);
+
 public sealed record SalesInvoiceSummaryDto(
     int SalesInvoiceId, string InvoiceNo, DateTime InvoiceDate, int CustomerId,
     string CustomerSnapshotName, int WarehouseId, int BranchId, SalesInvoiceType InvoiceType,

Backend/ERPCore/Dtos/Warehouses/WarehouseDtos.cs

@@ -10,12 +10,20 @@ public sealed record WarehouseDto(int WarehouseId, string Code, string Name, str
 /// <summary>Bin/location resource (docs/11 §2.5).</summary>
 public sealed record BinDto(int BinId, int WarehouseId, string Code, string? BinType);
 
+/// <summary>Sri Lankan phone rule for master data — mirrors the frontend's `lib/validations/phone.ts`:
+/// 10 digits starting with 0, or +94 followed by 9 digits; spaces and hyphens allowed between digits.</summary>
+public static class PhoneRules
+{
+    public const string Pattern = @"^(?:0(?:[\s-]*\d){9}|\+94(?:[\s-]*\d){9})[\s-]*$";
+    public const string Message = "Enter a valid Sri Lankan phone number: 10 digits starting with 0 (0771234567) or +94 followed by 9 digits (+94771234567).";
+}
+
 public sealed class CreateWarehouseRequest
 {
     [Required, StringLength(50)] public string Code { get; set; } = string.Empty;
     [Required, StringLength(200)] public string Name { get; set; } = string.Empty;
     [StringLength(300)] public string? Address { get; set; }
-    [StringLength(30)] public string? Phone { get; set; }
+    [StringLength(30), RegularExpression(PhoneRules.Pattern, ErrorMessage = PhoneRules.Message)] public string? Phone { get; set; }
     [Required] public int BranchId { get; set; }
 }
 
@@ -24,7 +32,7 @@ public sealed class UpdateWarehouseRequest
     [Required, StringLength(50)] public string Code { get; set; } = string.Empty;
     [Required, StringLength(200)] public string Name { get; set; } = string.Empty;
     [StringLength(300)] public string? Address { get; set; }
-    [StringLength(30)] public string? Phone { get; set; }
+    [StringLength(30), RegularExpression(PhoneRules.Pattern, ErrorMessage = PhoneRules.Message)] public string? Phone { get; set; }
     [Required] public int BranchId { get; set; }
 }