feat: 完成進貨單自動拋轉應付帳款流程與AP介面優化

1. 新增 AccountPayable (應付帳款) 模組，包含 Migration、Model、Service 與 Controller
2. 修改 GoodsReceipt (進貨單) 流程，在確認進貨時自動產生對應的應付帳款單 (AP-YYYYMMDD-XX)
3. 實作應付帳款詳細頁面 (Show.tsx)，包含發票登記與標記付款功能
4. 修正應付帳款 Show 頁面的排版，將發票資訊套用標準的綠色背景區塊，並調整按鈕位置
5. 更新相關的 Service Provider 與 Routes

app/Modules/Inventory/Controllers/StoreRequisitionController.php

@@ -299,15 +299,16 @@ class StoreRequisitionController extends Controller
         $requisition = StoreRequisition::findOrFail($id);
 
         $request->validate([
-            'supply_warehouse_id' => 'required|exists:warehouses,id',
             'items' => 'required|array',
             'items.*.id' => 'required|exists:store_requisition_items,id',
             'items.*.approved_qty' => 'required|numeric|min:0',
-        ], [
-            'supply_warehouse_id.required' => '請選擇供貨倉庫',
         ]);
 
-        $this->service->approve($requisition, $request->only(['supply_warehouse_id', 'items']), auth()->id());
+        if (empty($requisition->supply_warehouse_id)) {
+            return back()->withErrors(['supply_warehouse_id' => '請先選擇供貨倉庫']);
+        }
+
+        $this->service->approve($requisition, $request->only(['items']), auth()->id());
 
         return redirect()->route('store-requisitions.show', $id)
             ->with('success', '叫貨單已核准，調撥單已自動產生');
@@ -332,6 +333,28 @@ class StoreRequisitionController extends Controller
             ->with('success', '叫貨單已駁回');
     }
 
+    /**
+     * 更新供貨倉庫
+     */
+    public function updateSupplyWarehouse(Request $request, $id)
+    {
+        $requisition = StoreRequisition::findOrFail($id);
+
+        if ($requisition->status !== 'pending') {
+            return back()->withErrors(['error' => '僅能在待審核狀態修改供貨倉庫']);
+        }
+
+        $request->validate([
+            'supply_warehouse_id' => 'required|exists:warehouses,id',
+        ]);
+
+        $requisition->update([
+            'supply_warehouse_id' => $request->supply_warehouse_id,
+        ]);
+
+        return redirect()->back()->with('success', '供貨倉庫已更新');
+    }
+
     /**
      * 刪除叫貨單（僅限草稿）
      */