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/Contracts/ProductionServiceInterface.php

@@ -5,4 +5,21 @@ namespace App\Modules\Production\Contracts;
 interface ProductionServiceInterface
 {
     public function getPendingProductionCount(): int;
+
+    /**
+     * 尋找產出特定批號的生產工單
+     * 
+     * @param string $batchNumber
+     * @return \Illuminate\Support\Collection
+     */
+    public function getProductionOrdersByOutputBatch(string $batchNumber): \Illuminate\Support\Collection;
+
+    /**
+     * 尋找使用了特定庫存批號的生產工單項目
+     * 
+     * @param int $inventoryId
+     * @param array $with
+     * @return \Illuminate\Support\Collection
+     */
+    public function getProductionOrderItemsByInventoryId(int $inventoryId, array $with = []): \Illuminate\Support\Collection;
 }

app/Modules/Production/Models/ProductionOrderItem.php

@@ -26,4 +26,9 @@ class ProductionOrderItem extends Model
     {
         return $this->belongsTo(ProductionOrder::class);
     }
+
+    public function inventory(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+    {
+        return $this->belongsTo(\App\Modules\Inventory\Models\Inventory::class);
+    }
 }

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();
+    }
 }