feat: 實作出貨單模組並暫時導向通用製作中頁面，同步優化盤點與調撥功能的活動日誌顯示

app/Modules/Inventory/Services/TransferService.php

@@ -31,9 +31,9 @@ class TransferService
     /**
      * 更新調撥單明細 (支援精確 Diff 與自動日誌整合)
      */
-    public function updateItems(InventoryTransferOrder $order, array $itemsData): void
+    public function updateItems(InventoryTransferOrder $order, array $itemsData): bool
     {
-        DB::transaction(function () use ($order, $itemsData) {
+        return DB::transaction(function () use ($order, $itemsData) {
             // 1. 準備舊資料索引 (Key: product_id . '_' . batch_number)
             $oldItemsMap = $order->items->mapWithKeys(function ($item) {
                 $key = $item->product_id . '_' . ($item->batch_number ?? '');
@@ -88,9 +88,13 @@ class TransferService
                         ];
                     }
                 } else {
-                    // 新增
-                    $diff['added'][] = [
+                    // 新增 (使用者需求：顯示為更新，從 0 -> X)
+                    $diff['updated'][] = [
                         'product_name' => $item->product->name,
+                        'old' => [
+                            'quantity' => 0,
+                            'notes' => null,
+                        ],
                         'new' => [
                             'quantity' => (float)$item->quantity,
                             'notes' => $item->notes,
@@ -113,10 +117,12 @@ class TransferService
             }
 
             // 4. 將 Diff 注入到 Model 的暫存屬性中
-            // 如果 Diff 有內容，才注入
-            if (!empty($diff['added']) || !empty($diff['removed']) || !empty($diff['updated'])) {
+            $hasChanged = !empty($diff['added']) || !empty($diff['removed']) || !empty($diff['updated']);
+            if ($hasChanged) {
                  $order->activityProperties['items_diff'] = $diff;
             }
+
+            return $hasChanged;
         });
     }
 
@@ -149,6 +155,9 @@ class TransferService
 
                 $oldSourceQty = $sourceInventory->quantity;
                 $newSourceQty = $oldSourceQty - $item->quantity;
+
+                // 儲存庫存快照
+                $item->update(['snapshot_quantity' => $oldSourceQty]);
                 
                 $sourceInventory->quantity = $newSourceQty;
                 // 更新總值 (假設成本不變)