feat(Inventory): 實作批號溯源完整功能與 UI 呈現，包含文字敘述卡片與更完整的關聯屬性

app/Modules/Production/Services/ProductionService.php

@@ -4,6 +4,7 @@ namespace App\Modules\Production\Services;
 
 use App\Modules\Production\Contracts\ProductionServiceInterface;
 use App\Modules\Production\Models\ProductionOrder;
+use App\Modules\Production\Models\ProductionOrderItem;
 
 class ProductionService implements ProductionServiceInterface
 {
@@ -11,4 +12,18 @@ class ProductionService implements ProductionServiceInterface
     {
         return ProductionOrder::where('status', 'pending')->count();
     }
+
+    public function getProductionOrdersByOutputBatch(string $batchNumber): \Illuminate\Support\Collection
+    {
+        return ProductionOrder::with(['items.inventory.product', 'items.inventory'])
+            ->where('output_batch_number', $batchNumber)
+            ->get();
+    }
+
+    public function getProductionOrderItemsByInventoryId(int $inventoryId, array $with = []): \Illuminate\Support\Collection
+    {
+        return ProductionOrderItem::with($with)
+            ->where('inventory_id', $inventoryId)
+            ->get();
+    }
 }