feat(BE-59,60,61): build stock transfer API with validation and audit log

- Implement CreateOne for stock transfer with multi-delivery and validation
- Preload warehouse, location, and area relations in transfer response
- Add audit log for transfer
- Improve transaction handling and error management

internal/entities/stock_transfer_detail.go

@@ -2,21 +2,17 @@ package entities
 
 import "time"
 
-
 // DETAIL PRODUK
 type StockTransferDetail struct {
-    Id              uint64                      `gorm:"primaryKey;autoIncrement"`
-    StockTransferId uint64
-    ProductId       uint64
-    Quantity        float64
-    BeforeQuantity  float64
-    AfterQuantity   float64
-    Note            string
-    CreatedAt       time.Time
-    UpdatedAt       time.Time
-    DeletedAt       *time.Time                  `gorm:"index"`
-    // Relations
-    StockTransfer   *StockTransfer              `gorm:"foreignKey:StockTransferId"`
-    Product         *Product                    `gorm:"foreignKey:ProductId"`
-    DeliveryItems   []StockTransferDeliveryItem `gorm:"foreignKey:StockTransferDetailId"`
-}
+	Id              uint64 `gorm:"primaryKey;autoIncrement"`
+	StockTransferId uint64
+	ProductId       uint64
+	Quantity        float64
+	CreatedAt       time.Time
+	UpdatedAt       time.Time
+	DeletedAt       *time.Time `gorm:"index"`
+	// Relations
+	StockTransfer *StockTransfer              `gorm:"foreignKey:StockTransferId"`
+	Product       *Product                    `gorm:"foreignKey:ProductId"`
+	DeliveryItems []StockTransferDeliveryItem `gorm:"foreignKey:StockTransferDetailId"`
+}