Complete all for Items

Backend/ERPCore/Dtos/Auth/AuthUserDtos.cs

@@ -175,5 +175,9 @@ public sealed class TwoFaStatusResponse
 
 public sealed class LogoutRequest
 {
-    [Required] public Guid UserId { get; set; }
+    /// <summary>
+    /// Optional: AuthHex returns no <c>userId</c> on login, so browsers cannot supply one.
+    /// When omitted, the controller resolves it from the session token's UserId claim.
+    /// </summary>
+    public Guid? UserId { get; set; }
 }

Backend/ERPCore/Dtos/Grn/GrnDtos.cs

@@ -13,6 +13,11 @@ public sealed record GrnDto(
     int GrnId, string DocNo, int? PoId, int VendorId, int WarehouseId, GrnStatus Status,
     int CreatedBy, DateTime CreatedAt, DateTime? PostedAt, IReadOnlyList<GrnLineDto> Lines);
 
+/// <summary>Row shape for <c>GET /grns</c> — line count instead of the lines themselves.</summary>
+public sealed record GrnSummaryDto(
+    int GrnId, string DocNo, int? PoId, int VendorId, int WarehouseId, GrnStatus Status,
+    int CreatedBy, DateTime CreatedAt, DateTime? PostedAt, int LineCount);
+
 public sealed record CreatedLayerDto(
     int LayerId, int ItemId, int WarehouseId, int? BatchId,
     decimal QtyReceived, decimal QtyRemaining, decimal UnitCost, DateTime ReceiptDate);

Backend/ERPCore/Dtos/Items/ItemDtos.cs

@@ -14,12 +14,21 @@ public sealed record ItemListItemDto(
 /// <summary>A single per-warehouse reorder policy row.</summary>
 public sealed record ItemReorderDto(int WarehouseId, decimal ReorderPoint, decimal ReorderQty);
 
-/// <summary>Full item resource for <c>GET /items/{id}</c> and create/update responses.</summary>
+/// <summary>
+/// Full item resource for <c>GET /items/{id}</c> and create/update responses.
+/// <para>
+/// <see cref="Conversions"/> is embedded because they are otherwise unreadable: they can
+/// only be written via <c>PUT /items/{id}/uom-conversions</c>, which returns them, but no
+/// endpoint reads them back — so a detail screen could never show current state before
+/// editing. Mirrors how <see cref="Reorder"/> is already inlined.
+/// </para>
+/// </summary>
 public sealed record ItemDetailDto(
     int ItemId, string Sku, string Name, string? Description, int CategoryId,
     int? SubCategoryId, int? BrandId, int BaseUomId, int? DefaultVendorId,
     StockNature StockNature, TrackingMode TrackingMode,
     string? TaxClass, EntityStatus Status, IReadOnlyList<ItemReorderDto> Reorder,
+    IReadOnlyList<UomConversionDto> Conversions,
     DateTime CreatedAt, DateTime? UpdatedAt);
 
 /// <summary>UOM conversion row (docs/11 §2.2).</summary>

Backend/ERPCore/Dtos/Procurement/PurchaseReturnDtos.cs

@@ -9,7 +9,12 @@ public sealed record PurchaseReturnLineDto(int ReturnLineId, int? GrnLineId, int
 
 public sealed record PurchaseReturnDto(
     int ReturnId, string DocNo, int VendorId, int WarehouseId, int ReasonCodeId, ReturnStatus Status,
-    int CreatedBy, IReadOnlyList<PurchaseReturnLineDto> Lines, IReadOnlyList<int> LedgerRefs);
+    int CreatedBy, DateTime CreatedAt, IReadOnlyList<PurchaseReturnLineDto> Lines, IReadOnlyList<int> LedgerRefs);
+
+/// <summary>Row shape for <c>GET /purchase-returns</c> — no lines/ledgerRefs (those need a per-row query).</summary>
+public sealed record PurchaseReturnSummaryDto(
+    int ReturnId, string DocNo, int VendorId, int WarehouseId, int ReasonCodeId, ReturnStatus Status,
+    int CreatedBy, DateTime CreatedAt, int LineCount);
 
 // Requests ----------------------------------------------------------------------
 

Backend/ERPCore/Dtos/Procurement/RequisitionDtos.cs

@@ -12,7 +12,7 @@ public sealed record RequisitionDto(
     DateTime CreatedAt, IReadOnlyList<RequisitionLineDto> Lines);
 
 public sealed record RequisitionSummaryDto(
-    int RequisitionId, string DocNo, RequisitionStatus Status, int RequestedBy, DateTime CreatedAt);
+    int RequisitionId, string DocNo, RequisitionStatus Status, int RequestedBy, DateTime CreatedAt, int LineCount);
 
 // Requests — server sets docNo, status, requestedBy (audit actor), timestamps ----
 

Backend/ERPCore/Dtos/Procurement/RfqDtos.cs

@@ -10,6 +10,10 @@ public sealed record RfqLineDto(int RfqLineId, int ItemId, decimal Qty);
 public sealed record RfqDto(
     int RfqId, string DocNo, int RequisitionId, RfqStatus Status, IReadOnlyList<RfqLineDto> Lines);
 
+/// <summary>Row shape for <c>GET /rfqs</c> — line/quotation counts instead of the lines themselves.</summary>
+public sealed record RfqSummaryDto(
+    int RfqId, string DocNo, int RequisitionId, RfqStatus Status, int LineCount, int QuotationCount);
+
 public sealed record QuotationLineDto(int ItemId, decimal UnitPrice, int LeadDays);
 
 public sealed record VendorQuotationDto(

Backend/ERPCore/Dtos/Stock/AdjustmentDtos.cs

@@ -11,6 +11,11 @@ public sealed record AdjustmentDto(
     int AdjustmentId, string DocNo, int WarehouseId, int ReasonCodeId, AdjustmentStatus Status,
     int CreatedBy, DateTime CreatedAt, IReadOnlyList<AdjustmentLineDto> Lines, IReadOnlyList<int> LedgerRefs);
 
+/// <summary>Row shape for <c>GET /stock-adjustments</c> — no lines/ledgerRefs (those need a per-row query).</summary>
+public sealed record AdjustmentSummaryDto(
+    int AdjustmentId, string DocNo, int WarehouseId, int ReasonCodeId, AdjustmentStatus Status,
+    int CreatedBy, DateTime CreatedAt, int LineCount);
+
 // Requests ----------------------------------------------------------------------
 
 public sealed class CreateAdjustmentLineInput

Backend/ERPCore/Dtos/Stock/CountDtos.cs

@@ -8,7 +8,13 @@ namespace ERPCore.Dtos.Stock;
 public sealed record CountLineDto(int CountLineId, int ItemId, int? BinId, decimal SystemQty, decimal? CountedQty, decimal? Variance);
 
 public sealed record CountDto(
-    int CountId, string DocNo, int WarehouseId, CountType CountType, CountStatus Status, IReadOnlyList<CountLineDto> Lines);
+    int CountId, string DocNo, int WarehouseId, CountType CountType, CountStatus Status,
+    int CreatedBy, DateTime CreatedAt, IReadOnlyList<CountLineDto> Lines);
+
+/// <summary>Row shape for <c>GET /stock-counts</c> — line count instead of the lines themselves.</summary>
+public sealed record CountSummaryDto(
+    int CountId, string DocNo, int WarehouseId, CountType CountType, CountStatus Status,
+    int CreatedBy, DateTime CreatedAt, int LineCount);
 
 public sealed record CountPostResultDto(int CountId, CountStatus Status, int? AdjustmentId, IReadOnlyList<int> LedgerRefs);
 

Backend/ERPCore/Dtos/Stock/TransferDtos.cs

@@ -10,7 +10,12 @@ public sealed record TransferLineDto(
 
 public sealed record TransferDto(
     int TransferId, string DocNo, int SrcWarehouseId, int DestWarehouseId,
-    TransferStatus Status, IReadOnlyList<TransferLineDto> Lines);
+    TransferStatus Status, int CreatedBy, DateTime CreatedAt, IReadOnlyList<TransferLineDto> Lines);
+
+/// <summary>Row shape for <c>GET /stock-transfers</c> — line count instead of the lines themselves.</summary>
+public sealed record TransferSummaryDto(
+    int TransferId, string DocNo, int SrcWarehouseId, int DestWarehouseId,
+    TransferStatus Status, int CreatedBy, DateTime CreatedAt, int LineCount);
 
 public sealed record ConsumedLayerDto(int LayerId, decimal QtyConsumed, decimal UnitCost);