Add movement retrieval and update functionality to stock

Distribution/Features/Stock/StockDTOs.cs

@@ -12,7 +12,8 @@ public record StockBalanceResponse(
     Guid LocationId,
     LocationType LocationType,
     decimal Quantity,
-    DateTime UpdatedAt);
+    DateTime UpdatedAt,
+    string LocationName);
 
 public record StockTotalResponse(
     Guid ItemId,
@@ -34,7 +35,9 @@ public record StockMovementResponse(
     string? ReasonCode,
     Guid? ReferenceId,
     DateTime CreatedAt,
-    Guid CreatedBy);
+    Guid CreatedBy,
+    string? FromLocationName,
+    string? ToLocationName);
 
 // Write requests
 public record TransferRequest(
@@ -64,4 +67,10 @@ public record AdjustmentRequest(
     Guid LocationId,
     LocationType LocationType,
     decimal Quantity,
-    string ReasonCode);
+    string ReasonCode,
+    // TEMPORARY: required while auth doesn't resolve a logged-in user server-side — see testbug.md #28.
+    Guid? AdjustedByUserId = null);
+
+// 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);