feat: 優化操作紀錄顯示與邏輯 (恢復描述欄位、支援來源標記、改進快照)

app/Http/Controllers/TransferOrderController.php

@@ -56,6 +56,9 @@ class TransferOrderController extends Controller
             // 3. 執行庫存轉移 (扣除來源)
             $oldSourceQty = $sourceInventory->quantity;
             $newSourceQty = $oldSourceQty - $validated['quantity'];
+            
+            // 設定活動紀錄原因
+            $sourceInventory->activityLogReason = "撥補出庫 至 {$targetWarehouse->name}";
             $sourceInventory->update(['quantity' => $newSourceQty]);
 
             // 記錄來源異動
@@ -72,6 +75,9 @@ class TransferOrderController extends Controller
             // 4. 執行庫存轉移 (增加目標)
             $oldTargetQty = $targetInventory->quantity;
             $newTargetQty = $oldTargetQty + $validated['quantity'];
+
+            // 設定活動紀錄原因
+            $targetInventory->activityLogReason = "撥補入庫 來自 {$sourceWarehouse->name}";
             $targetInventory->update(['quantity' => $newTargetQty]);
 
             // 記錄目標異動