Add stock report features r

Distribution/Features/Stock/StockDTOs.cs

@@ -45,7 +45,12 @@ public record StockMovementResponse(
     DateTime CreatedAt,
     Guid CreatedBy,
     string? FromLocationName,
-    string? ToLocationName);
+    string? ToLocationName,
+    Guid? BatchId = null,
+    string? BatchNumber = null,
+    DateTime? BatchExpiryDate = null,
+    Guid? SerialId = null,
+    string? SerialNumber = null);
 
 // Write requests
 public record TransferRequest(
@@ -82,3 +87,23 @@ public record AdjustmentRequest(
 // Movements are an immutable ledger — quantity, locations, and type can never change once recorded
 // (the running stock balance is the sum of all movements). Only the free-text reason/note is editable.
 public record UpdateMovementReasonRequest(string ReasonCode);
+
+// Movement report filters
+public record MovementFilter(
+    Guid? LocationId = null,
+    Guid? ItemId = null,
+    MovementType? Type = null,
+    DateTime? From = null,
+    DateTime? To = null,
+    Guid? ReferenceId = null,
+    Guid? BatchId = null,
+    Guid? SerialId = null,
+    Guid? CreatedBy = null,
+    string? ReasonCode = null);
+
+public record MovementSummary(
+    decimal OpeningQuantity,
+    decimal QuantityIn,
+    decimal QuantityOut,
+    decimal ClosingQuantity,
+    decimal CurrentBalance);