feat(inventory): 實作進貨單草稿編輯功能、價格雙向連動與批號 UI 優化

1. 實作進貨單編輯功能，支援草稿資料預填與 PUT 更新。
2. 修復進貨單儲存時 received_date 與 expiry_date 的日期格式錯誤 (Y-m-d)。
3. 實作非標準進貨類型（雜項、其他）的單價與小計雙向連動邏輯。
4. 優化品項批號 UI 為 SearchableSelect 整合模式，支援不使用批號 (NO-BATCH) 與建立新批號，與倉庫管理頁面風格統一。

app/Modules/Inventory/Routes/web.php

@@ -184,6 +184,8 @@ Route::middleware('auth')->group(function () {
         Route::get('/goods-receipts', [\App\Modules\Inventory\Controllers\GoodsReceiptController::class, 'index'])->name('goods-receipts.index');
         Route::get('/goods-receipts/create', [\App\Modules\Inventory\Controllers\GoodsReceiptController::class, 'create'])->middleware('permission:goods_receipts.create')->name('goods-receipts.create');
         Route::get('/goods-receipts/{goods_receipt}', [\App\Modules\Inventory\Controllers\GoodsReceiptController::class, 'show'])->name('goods-receipts.show');
+        Route::get('/goods-receipts/{goods_receipt}/edit', [\App\Modules\Inventory\Controllers\GoodsReceiptController::class, 'edit'])->middleware('permission:goods_receipts.edit')->name('goods-receipts.edit');
+        Route::put('/goods-receipts/{goods_receipt}', [\App\Modules\Inventory\Controllers\GoodsReceiptController::class, 'update'])->middleware('permission:goods_receipts.edit')->name('goods-receipts.update');
         Route::post('/goods-receipts/check-duplicate', [\App\Modules\Inventory\Controllers\GoodsReceiptController::class, 'checkDuplicate'])
             ->middleware('permission:goods_receipts.create')
             ->name('goods-receipts.check-duplicate');