diff --git a/.phpunit.result.cache b/.phpunit.result.cache
index 4a6ef2b..409721b 100644
--- a/.phpunit.result.cache
+++ b/.phpunit.result.cache
@@ -1 +1 @@
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\ No newline at end of file
+{"version":2,"defects":{"Tests\\Feature\\ProductPriceTest::test_product_list_returns_price_for_store_level":8,"Tests\\Feature\\ProductPriceTest::test_store_without_level_is_rejected":8,"Tests\\Feature\\ProductPriceTest::test_batch_price_updates_and_notifies_affected_stores":7,"Tests\\Feature\\ProductPriceTest::test_price_matrix_structure":8,"Tests\\Feature\\StoreOrderTest::test_place_order_snapshots_level_price_and_recalculates":8,"Tests\\Feature\\StoreOrderTest::test_client_supplied_amount_is_ignored":8,"Tests\\Feature\\StoreOrderTest::test_product_without_level_price_rejected":8,"Tests\\Feature\\StoreOrderTest::test_cancel_only_pending_orders":8,"Tests\\Feature\\StoreOrderTest::test_summarized_order_cannot_be_cancelled":8,"Tests\\Feature\\StoreOrderTest::test_order_data_isolated_between_stores":8,"Tests\\Feature\\PurchaseGenerateTest::test_generate_aggregates_orders_by_product":7,"Tests\\Feature\\PurchaseGenerateTest::test_generate_writes_back_order_status":7,"Tests\\Feature\\PurchaseGenerateTest::test_generate_without_pending_orders_fails":8,"Tests\\Feature\\PurchaseGenerateTest::test_generate_is_idempotent":7,"Tests\\Feature\\AllocationTest::test_allocation_conserves_amount_with_tail_correction":7,"Tests\\Feature\\AllocationTest::test_allocation_follows_order_ratio":7,"Tests\\Feature\\AllocationTest::test_allocation_is_idempotent":7,"Tests\\Feature\\AllocationTest::test_allocation_rejected_without_actual_amount":8,"Tests\\Feature\\MiniAuthTest::test_login_creates_user_and_issues_token":7,"Tests\\Feature\\MiniAuthTest::test_phone_binding_matches_store":8,"Tests\\Feature\\MiniAuthTest::test_phone_no_match_stays_pending":8,"Tests\\Feature\\ExportTest::test_export_xlsx_with_encoded_chinese_filename":7,"Tests\\Feature\\CartTest::test_list_with_prices_amounts_and_totals":7,"Tests\\Feature\\CartTest::test_list_marks_off_shelf_item_unbuyable":7,"Tests\\Feature\\DebugCartListTest::test_dump_cart_list_response":5,"Tests\\Feature\\ProductCostPriceTest::test_create_product_with_cost_and_percent_pricing":7,"Tests\\Feature\\ProductCostPriceTest::test_create_percent_row_without_percent_fails":7,"Tests\\Feature\\ProductCostPriceTest::test_batch_price_cost_only_notifies_percent_level_stores":7,"Tests\\Feature\\ProductCostPriceTest::test_batch_price_empty_row_rejected":7,"Tests\\Feature\\MiniAuthTest::test_disabled_user_cannot_login":8,"Tests\\Feature\\MiniAuthTest::test_mini_token_cannot_access_admin_api":8,"Tests\\Feature\\ProductCostPriceTest::test_batch_price_percent_row_update":7,"Tests\\Feature\\ProductCostPriceTest::test_batch_price_mixed_row_updates_cost_and_level":7,"Tests\\Feature\\ReconciliationTest::test_build_creates_reconciliation_items":8,"Tests\\Feature\\ReconciliationTest::test_build_filters_by_supplier":8,"Tests\\Feature\\ReconciliationTest::test_update_item_recalculates_diff_and_header":8,"Tests\\Feature\\ReconciliationTest::test_toggle_reconciled_flag":8,"Tests\\Feature\\ReconciliationTest::test_settle_creates_settlements_per_store":8,"Tests\\Feature\\ProductCostPriceTest::test_mini_list_returns_actual_price_without_cost_price":8,"Tests\\Feature\\ProductCostPriceTest::test_mini_order_uses_actual_price_for_percent_row":8,"Tests\\Feature\\ProductCostPriceTest::test_mini_cart_uses_actual_price_for_percent_row":8,"Tests\\Feature\\StoreOrderTest::test_container_update_recalculates_amounts":8,"Tests\\Feature\\StoreOrderTest::test_container_update_allowed_in_editable_statuses":8,"Tests\\Feature\\StoreOrderTest::test_container_update_rejected_in_other_statuses":8,"Tests\\Feature\\StoreOrderTest::test_container_update_heals_legacy_product_amount":8,"Tests\\Feature\\StoreOrderTest::test_container_update_validates_negative_numbers":8,"Tests\\Feature\\StoreOrderItemTest::test_sync_item_rejected_when_product_deleted":7,"Tests\\Feature\\StoreOrderItemTest::test_order_list_search_by_product_name":7,"Tests\\Feature\\PurchaseEditTest::test_detail_returns_store_matrix":7,"Tests\\Feature\\PurchaseEditTest::test_update_cell_syncs_order_item_and_totals":7,"Tests\\Feature\\PurchaseEditTest::test_update_row_cost_syncs_all_order_items":7,"Tests\\Feature\\PurchaseEditTest::test_update_row_weight_distributed_by_quantity":7,"Tests\\Feature\\PurchaseEditTest::test_update_row_syncs_product_attributes":7,"Tests\\Feature\\PurchaseGenerateTest::test_generate_aggregates_order_items_into_header":7},"times":{"Tests\\Feature\\ExampleTest::test_the_application_returns_a_successful_response":0.004,"Tests\\Feature\\ProductPriceTest::test_product_list_returns_price_for_store_level":0.007,"Tests\\Feature\\ProductPriceTest::test_store_without_level_is_rejected":0.007,"Tests\\Feature\\ProductPriceTest::test_batch_price_updates_and_notifies_affected_stores":0.01,"Tests\\Feature\\ProductPriceTest::test_price_matrix_structure":0.01,"Tests\\Feature\\StoreOrderTest::test_place_order_snapshots_level_price_and_recalculates":0.008,"Tests\\Feature\\StoreOrderTest::test_client_supplied_amount_is_ignored":0.007,"Tests\\Feature\\StoreOrderTest::test_prod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rcent_columns":0.01,"Tests\\Feature\\ProductCostPriceTest::test_mini_order_uses_actual_price_for_percent_row":0.007,"Tests\\Feature\\ProductCostPriceTest::test_mini_cart_uses_actual_price_for_percent_row":0.009,"Tests\\Feature\\PurchaseGenerateTest::test_generate_uses_min_actual_price_across_types":0.014,"Tests\\Feature\\ProductPriceTest::test_store_without_level_sees_products_without_price":0.006,"Tests\\Feature\\ProductPriceTest::test_unbound_user_can_browse_products_without_price_but_cannot_cart":0.008,"Tests\\Feature\\MiniAuthTest::test_login_issues_token_for_registered_user":0.011,"Tests\\Feature\\MiniAuthTest::test_login_rejects_unregistered_openid":0.002,"Tests\\Feature\\MiniAuthTest::test_register_binds_store_and_issues_token":0.011,"Tests\\Feature\\MiniAuthTest::test_register_rejects_unknown_store":0.002,"Tests\\Feature\\MiniAuthTest::test_register_rejects_duplicate_openid":0.003,"Tests\\Feature\\MiniStoreTest::test_info_returns_bound_store":0.005,"Tests\\Feature\\MiniStoreTest::test_update_info":0.005,"Tests\\Feature\\MiniStoreTest::test_update_info_ignores_readonly_fields":0.005,"Tests\\Feature\\MiniStoreTest::test_requires_bound_store":0.006,"Tests\\Feature\\MiniStoreTest::test_update_info_validates_length":0.005,"Tests\\Feature\\StoreOrderTest::test_container_update_recalculates_amounts":0.012,"Tests\\Feature\\StoreOrderTest::test_container_update_allowed_in_editable_statuses":0.016,"Tests\\Feature\\StoreOrderTest::test_container_update_rejected_in_other_statuses":0.017,"Tests\\Feature\\StoreOrderTest::test_container_update_heals_legacy_product_amount":0.016,"Tests\\Feature\\StoreOrderTest::test_container_update_validates_negative_numbers":0.012,"Tests\\Feature\\PurchaseGenerateTest::test_generate_without_accepted_orders_fails":0.011,"Tests\\Feature\\PurchaseGenerateTest::test_generate_with_selected_order_ids":0.021,"Tests\\Feature\\StoreOrderItemTest::test_place_order_snapshots_full_product_info":0.008,"Tests\\Feature\\StoreOrderItemTest::test_mini_detail_hides_cost_price":0.01,"Tests\\Feature\\StoreOrderItemTest::test_admin_detail_shows_cost_price_and_supplier":0.013,"Tests\\Feature\\StoreOrderItemTest::test_update_item_recalculates_order_totals":0.013,"Tests\\Feature\\StoreOrderItemTest::test_update_item_rejected_when_completed_or_cancelled":0.016,"Tests\\Feature\\StoreOrderItemTest::test_update_item_validates_negative_price":0.015,"Tests\\Feature\\StoreOrderItemTest::test_sync_item_updates_snapshot_from_product":0.014,"Tests\\Feature\\StoreOrderItemTest::test_sync_item_recalculates_percent_price_with_latest_cost":0.014,"Tests\\Feature\\StoreOrderItemTest::test_sync_item_rejected_when_product_deleted":0.012,"Tests\\Feature\\StoreOrderItemTest::test_order_list_search_by_product_name":0.017,"Tests\\Feature\\StoreOrderTest::test_soft_delete_only_cancelled_orders":0.019,"Tests\\Feature\\StoreOrderTest::test_soft_delete_rejected_for_non_cancelled_orders":0.055,"Tests\\Feature\\StoreOrderTest::test_soft_delete_twice_rejected":0.012,"Tests\\Feature\\PurchaseEditTest::test_detail_returns_store_matrix":0.022,"Tests\\Feature\\PurchaseEditTest::test_update_cell_syncs_order_item_and_totals":0.022,"Tests\\Feature\\PurchaseEditTest::test_update_row_cost_syncs_all_order_items":0.026,"Tests\\Feature\\PurchaseEditTest::test_update_row_weight_distributed_by_quantity":0.032,"Tests\\Feature\\PurchaseEditTest::test_update_row_requires_at_least_one_field":0.018,"Tests\\Feature\\PurchaseEditTest::test_update_cell_rejects_negative_quantity":0.018,"Tests\\Feature\\PurchaseGenerateTest::test_generate_aggregates_order_items_into_header":0.019,"Tests\\Feature\\ReconciliationTest::test_build_excludes_unfinished_orders":0.018,"Tests\\Feature\\PurchaseEditTest::test_update_row_syncs_product_attributes":0.021,"Tests\\Feature\\PurchaseEditTest::test_update_row_syncs_to_product_catalog":0.027,"Tests\\Feature\\PurchaseEditTest::test_cell_detail_returns_items_with_order_info":0.021,"Tests\\Feature\\PurchaseEditTest::test_cell_detail_rejects_missing_params":0.019,"Tests\\Feature\\PurchaseEditTest::test_update_cell_weight_cascades_totals":0.02,"Tests\\Feature\\PurchaseEditTest::test_cell_sync_refreshes_snapshot_and_cascades":0.018,"Tests\\Feature\\PurchaseEditTest::test_edits_rejected_when_purchase_completed":0.025,"Tests\\Feature\\PurchaseEditTest::test_update_row_does_not_touch_manual_weight":0.019}}
\ No newline at end of file
diff --git a/app/Exports/PurchaseOrderExport.php b/app/Exports/PurchaseOrderExport.php
index 6eaaac8..67ec5c7 100644
--- a/app/Exports/PurchaseOrderExport.php
+++ b/app/Exports/PurchaseOrderExport.php
@@ -8,7 +8,6 @@ use App\Models\PurchaseOrderModel;
 use App\Models\StoreModel;
 use App\Models\StoreOrderItemModel;
 use App\Models\SupplierModel;
-use App\Services\PurchaseEditService;
 use Illuminate\Support\Collection;
 use Maatwebsite\Excel\Concerns\FromCollection;
 use Maatwebsite\Excel\Concerns\WithHeadings;
@@ -75,7 +74,7 @@ class PurchaseOrderExport implements FromCollection, WithHeadings, WithMapping,
         foreach ($orderItems->groupBy('product_id') as $productId => $group) {
             $first = $group->first();
             $product = $products->get((int) $productId);
-            $unitCost = PurchaseEditService::unitCost((string) ($first->cost_price ?? '0'), (string) $first->product_spec);
+            $unitCost = $first->cost_price ?? '0';
 
             $quantity = '0';
             $weight = '0';
@@ -84,11 +83,8 @@ class PurchaseOrderExport implements FromCollection, WithHeadings, WithMapping,
             foreach ($group as $item) {
                 $quantity = bcadd($quantity, (string) $item->quantity, 2);
                 $weight = bcadd($weight, (string) $item->weight, 3);
-                $amount = bcadd($amount, PurchaseEditService::costAmount(
-                    (string) $item->quantity,
-                    (string) $item->weight,
-                    $unitCost
-                ), 2);
+                // 金额 = 数量 × 每包成本价（单价/包规不参与金额计算）
+                $amount = bcadd($amount, bcmul((string) $item->quantity, (string) $item->cost_price, 2), 2);
                 $storeQuantities[(int) $item->store_id] = bcadd(
                     $storeQuantities[(int) $item->store_id] ?? '0',
                     (string) $item->quantity,
diff --git a/app/Http/Controllers/Mini/OrderController.php b/app/Http/Controllers/Mini/OrderController.php
index 4acfa7d..7bc28bf 100644
--- a/app/Http/Controllers/Mini/OrderController.php
+++ b/app/Http/Controllers/Mini/OrderController.php
@@ -18,13 +18,13 @@ use Modules\AnnoRoute\Attribute\PutRoute;
 use Modules\AnnoRoute\Attribute\RequestAttribute;
 
 /**
- * 小程序门店订单（下单 / 历史 / 详情 / 取消 / 周期汇总）
+ * 小程序门店订单
  */
 #[RequestAttribute('/mini', 'mini', authGuard: 'users')]
 class OrderController extends BaseMiniController
 {
     /**
-     * 下单：逐行取当前门店等级价快照，服务端重算 amount 与 total（不接受前端金额）
+     * 下单
      */
     #[PostRoute('/order', authorize: true)]
     public function store(MiniOrderRequest $request): JsonResponse
diff --git a/app/Http/Controllers/Order/StoreOrderController.php b/app/Http/Controllers/Order/StoreOrderController.php
index 38961d2..5295e6f 100644
--- a/app/Http/Controllers/Order/StoreOrderController.php
+++ b/app/Http/Controllers/Order/StoreOrderController.php
@@ -4,11 +4,9 @@ namespace App\Http\Controllers\Order;
 
 use App\Exceptions\RepositoryException;
 use App\Models\NoticeModel;
-use App\Models\ProductModel;
-use App\Models\ProductPriceModel;
-use App\Models\StoreOrderItemModel;
 use App\Models\StoreOrderModel;
 use App\Models\UserModel;
+use App\Services\ItemImageResolver;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
@@ -17,7 +15,6 @@ use Modules\AnnoRoute\Attribute\GetRoute;
 use Modules\AnnoRoute\Attribute\PutRoute;
 use Modules\AnnoRoute\Attribute\RequestAttribute;
 use Modules\Common\Http\Controllers\BaseController;
-use Modules\SystemTool\Models\SysFileModel;
 
 /**
  * 门店订单管理（订单只读 + 状态管理 + 明细修改/同步；创建/取消在小程序端）
@@ -25,24 +22,6 @@ use Modules\SystemTool\Models\SysFileModel;
 #[RequestAttribute('/order/store', 'order.store')]
 class StoreOrderController extends BaseController
 {
-    /** 状态中文名（通知文案用） */
-    private const array STATUS_NAMES = [
-        StoreOrderModel::STATUS_PENDING => '待接单',
-        StoreOrderModel::STATUS_SUMMARIZED => '已接单',
-        StoreOrderModel::STATUS_DELIVERING => '采购中',
-        StoreOrderModel::STATUS_DISTRIBUTION => '配送中',
-        StoreOrderModel::STATUS_COMPLETED => '已完成',
-        StoreOrderModel::STATUS_CANCELLED => '已取消',
-    ];
-
-    /** 明细可编辑状态：待接单、已接单、采购中、配送中（已完成/已取消锁定） */
-    private const array ITEM_EDITABLE_STATUS = [
-        StoreOrderModel::STATUS_PENDING,
-        StoreOrderModel::STATUS_SUMMARIZED,
-        StoreOrderModel::STATUS_DELIVERING,
-        StoreOrderModel::STATUS_DISTRIBUTION,
-    ];
-
     protected array $searchField = [
         'store_id' => '=',
         'status' => '=',
@@ -84,7 +63,7 @@ class StoreOrderController extends BaseController
 
         // 明细封面图：从快照 image_ids 批量解析（不再关联商品档案表）
         foreach ($data['data'] as &$order) {
-            $this->resolveItemImages($order['items']);
+            app(ItemImageResolver::class)->resolve($order['items']);
         }
         unset($order);
 
@@ -99,48 +78,7 @@ class StoreOrderController extends BaseController
         return $this->success($data);
     }
 
-    /**
-     * 已接单预览：聚合所有已接单订单明细（按商品分组），
-     * 供生成采购单前确认（C1 前置）；单位取明细快照
-     */
-    #[GetRoute('/summary', 'query')]
-    public function summary(): JsonResponse
-    {
-        $rows = StoreOrderItemModel::query()
-            ->select('product_id')
-            ->selectRaw('MAX(product_name) as product_name')
-            ->selectRaw('MAX(product_spec) as product_spec')
-            ->selectRaw('MAX(unit) as unit')
-            ->selectRaw('SUM(quantity) as total_quantity')
-            ->selectRaw('COUNT(DISTINCT store_id) as store_count')
-            ->whereHas('order', function ($query) {
-                $query->where('status', StoreOrderModel::STATUS_SUMMARIZED);
-            })
-            ->groupBy('product_id')
-            ->orderBy('product_id')
-            ->get()
-            ->toArray();
-
-        // 快照无单位的历史明细兜底：从商品档案（含已下架/软删除）补齐
-        $emptyUnitProductIds = array_column(array_filter(
-            $rows,
-            static fn (array $row) => ($row['unit'] ?? '') === ''
-        ), 'product_id');
-        if ($emptyUnitProductIds !== []) {
-            $units = ProductModel::withTrashed()
-                ->whereIn('id', $emptyUnitProductIds)
-                ->pluck('unit', 'id');
-            foreach ($rows as &$row) {
-                if (($row['unit'] ?? '') === '') {
-                    $row['unit'] = $units[$row['product_id']] ?? '';
-                }
-            }
-        }
-
-        return $this->success($rows);
-    }
-
-    /** 订单详情：订单头 + 明细（含商品快照、首图；后台侧成本价可见、附供应商名） */
+    /** 订单详情 */
     #[GetRoute(route: '/{id}', authorize: 'query', where: ['id' => '[0-9]+'])]
     public function detail(int $id): JsonResponse
     {
@@ -158,7 +96,7 @@ class StoreOrderController extends BaseController
         $data = $order->toArray();
 
         // 明细首图 + 附加金额（与列表接口一致）
-        $this->resolveItemImages($data['items']);
+        app(ItemImageResolver::class)->resolve($data['items']);
         $boxAmount = site_config('services.box_amount');
         $trayAmount = site_config('services.tray_amount');
         $data['box_price'] = number_format($boxAmount, 2);
@@ -170,160 +108,7 @@ class StoreOrderController extends BaseController
     }
 
     /**
-     * 明细首图解析：从快照 image_ids 批量解析文件 URL，未找到时置空字符串（列表/详情共用）
-     *
-     * @param array<int, array<string, mixed>> $items 订单明细数组（引用修改）
-     */
-    private function resolveItemImages(array &$items): void
-    {
-        $fileIds = [];
-        foreach ($items as $line) {
-            foreach ((array) ($line['image_ids'] ?? []) as $fileId) {
-                if ($fileId !== '' && $fileId !== null) {
-                    $fileIds[] = (int) $fileId;
-                }
-            }
-        }
-        $fileUrls = [];
-        if ($fileIds !== []) {
-            foreach (SysFileModel::query()->whereIn('id', array_unique($fileIds))->get() as $file) {
-                $fileUrls[$file->id] = $file->preview_url;
-            }
-        }
-        foreach ($items as &$product) {
-            $product['image'] = '';
-            foreach ((array) ($product['image_ids'] ?? []) as $fileId) {
-                if ($fileId !== '' && $fileId !== null && isset($fileUrls[(int) $fileId])) {
-                    $product['image'] = $fileUrls[(int) $fileId];
-                    break;
-                }
-            }
-            unset($product['image_ids']);
-        }
-    }
-
-    /**
-     * 修改订单明细（商品快照 + 订货量/重量），事务内重算单品金额与订单总价。
-     * 可改字段：供应商、品名、规格、单位、单价、成本价、订货量、重量
-     */
-    #[PutRoute(route: '/item/{id}', authorize: 'update', where: ['id' => '[0-9]+'])]
-    public function updateItem(int $id, Request $request): JsonResponse
-    {
-        $data = $request->validate([
-            'supplier_id' => 'required|integer|min:0',
-            'product_name' => 'required|string|max:100',
-            'product_spec' => 'nullable|string|max:100',
-            'unit' => 'required|string|max:20',
-            'price' => 'required|numeric|min:0',
-            'cost_price' => 'required|numeric|min:0',
-            'quantity' => 'required|integer|min:1',
-            'weight' => 'required|numeric|min:0',
-            'remark' => 'nullable|string'
-        ], [
-            'supplier_id.required' => '供应商不能为空',
-            'supplier_id.integer' => '供应商ID必须为整数',
-            'supplier_id.min' => '供应商ID不正确',
-            'product_name.required' => '品名不能为空',
-            'product_name.max' => '品名最长 100 个字符',
-            'product_spec.max' => '规格最长 100 个字符',
-            'unit.required' => '计价单位不能为空',
-            'unit.max' => '计价单位最长 20 个字符',
-            'price.required' => '单价不能为空',
-            'price.numeric' => '单价必须为数字',
-            'price.min' => '单价不能小于 0',
-            'cost_price.required' => '成本价不能为空',
-            'cost_price.numeric' => '成本价必须为数字',
-            'cost_price.min' => '成本价不能小于 0',
-            'quantity.required' => '订货量不能为空',
-            'quantity.integer' => '订货量必须为整数',
-            'quantity.min' => '订货量必须大于 0',
-            'weight.required' => '重量不能为空',
-            'weight.numeric' => '重量必须为数字',
-            'weight.min' => '重量不能小于 0',
-        ]);
-
-        return DB::transaction(function () use ($id, $data) {
-            $item = StoreOrderItemModel::query()->lockForUpdate()->find($id);
-            if (empty($item)) {
-                throw new RepositoryException('订单明细不存在');
-            }
-            $order = StoreOrderModel::query()->lockForUpdate()->find($item->order_id);
-            if (empty($order)) {
-                throw new RepositoryException('订单不存在');
-            }
-            $this->assertItemEditable($order);
-
-            $item->fill($data);
-            $item->product_spec = (string) ($data['product_spec'] ?? '');
-            $item->amount = bcmul(
-                bcadd((string) $data['price'], '0', 2),
-                (string) $data['quantity'],
-                2
-            );
-            $item->save();
-
-            $this->recalculateOrderTotals($order);
-
-            return $this->success($item->load('supplier:id,name')->makeVisible('cost_price')->toArray());
-        });
-    }
-
-    /**
-     * 一键同步明细商品快照：按商品ID同步最新商品档案的
-     * 供应商、品名、规格、单位、成本价；单价按门店当前等级价重算
-     * （未设置等级价时保留原单价），并重算订单总价
-     */
-    #[PutRoute(route: '/item/{id}/sync', authorize: 'update', where: ['id' => '[0-9]+'])]
-    public function syncItem(int $id): JsonResponse
-    {
-        return DB::transaction(function () use ($id) {
-            $item = StoreOrderItemModel::query()->lockForUpdate()->find($id);
-            if (empty($item)) {
-                throw new RepositoryException('订单明细不存在');
-            }
-            $order = StoreOrderModel::query()->lockForUpdate()->find($item->order_id);
-            if (empty($order)) {
-                throw new RepositoryException('订单不存在');
-            }
-            $this->assertItemEditable($order);
-
-            // 软删除商品无法同步（下架商品仍可同步最新档案）
-            $product = ProductModel::find($item->product_id);
-            if (empty($product)) {
-                throw new RepositoryException('商品不存在或已被删除，无法同步');
-            }
-
-            $item->supplier_id = (int) $product->supplier_id;
-            $item->product_name = $product->name;
-            $item->product_spec = (string) $product->spec;
-            $item->unit = (string) $product->unit;
-            $item->cost_price = $product->cost_price;
-
-            // 单价：按订货门店当前客户等级价重算（百分比计价按最新成本价换算）
-            $levelId = (int) ($order->store->level_id ?? 0);
-            $priceRow = ProductPriceModel::query()
-                ->forProductLevel((int) $item->product_id, $levelId)
-                ->first(['price', 'price_type', 'percent']);
-            if ($priceRow !== null) {
-                $item->price = ProductPriceModel::calcActualPrice(
-                    (int) $priceRow->price_type,
-                    $priceRow->price,
-                    $priceRow->percent,
-                    $product->cost_price,
-                );
-            }
-
-            $item->amount = bcmul((string) $item->price, (string) $item->quantity, 2);
-            $item->save();
-
-            $this->recalculateOrderTotals($order);
-
-            return $this->success($item->load('supplier:id,name')->makeVisible('cost_price')->toArray());
-        });
-    }
-
-    /**
-     * 状态流转：待接单→已接单/已取消；采购中→配送中/已完成；配送中→已完成
+     * 状态流转
      */
     #[PutRoute(route: '/{id}/status', authorize: 'update', where: ['id' => '[0-9]+'])]
     public function status(int $id, Request $request): JsonResponse
@@ -343,7 +128,7 @@ class StoreOrderController extends BaseController
         $target = (int) $data['status'];
         if (! in_array($target, $this->allowedTransitions($order->status), true)) {
             throw new RepositoryException(
-                '订单当前状态为「' . (self::STATUS_NAMES[$order->status] ?? $order->status) . '」，不允许该操作'
+                '订单当前状态为「' . (StoreOrderModel::STATUS_NAMES[$order->status] ?? $order->status) . '」，不允许该操作'
             );
         }
 
@@ -356,8 +141,7 @@ class StoreOrderController extends BaseController
     }
 
     /**
-     * 批量状态流转：先全量校验流转路径，任一订单不允许则整批中止；
-     * 全部合法时在事务内流转并逐单通知门店
+     * 批量状态流转
      */
     #[PutRoute(route: '/batchStatus', authorize: 'update')]
     public function batchStatus(Request $request): JsonResponse
@@ -381,12 +165,12 @@ class StoreOrderController extends BaseController
         $blocked = [];
         foreach ($orders as $order) {
             if (! in_array($target, $this->allowedTransitions($order->status), true)) {
-                $blocked[] = $order->order_no . '（' . (self::STATUS_NAMES[$order->status] ?? $order->status) . '）';
+                $blocked[] = $order->order_no . '（' . (StoreOrderModel::STATUS_NAMES[$order->status] ?? $order->status) . '）';
             }
         }
         if (! empty($blocked)) {
             throw new RepositoryException(
-                '以下订单不允许流转为「' . (self::STATUS_NAMES[$target] ?? $target) . '」，批量操作已中止：' . implode('、', $blocked)
+                '以下订单不允许流转为「' . (StoreOrderModel::STATUS_NAMES[$target] ?? $target) . '」，批量操作已中止：' . implode('、', $blocked)
             );
         }
 
@@ -402,7 +186,7 @@ class StoreOrderController extends BaseController
     }
 
     /**
-     * 删除订单（软删除）：仅已取消订单允许删除；删除后后台列表/详情、小程序端均不可见
+     * 删除订单（软删除）
      */
     #[DeleteRoute(route: '/{id}', authorize: 'delete', where: ['id' => '[0-9]+'])]
     public function delete(int $id): JsonResponse
@@ -413,7 +197,7 @@ class StoreOrderController extends BaseController
         }
         if ($order->status !== StoreOrderModel::STATUS_CANCELLED) {
             throw new RepositoryException(
-                '订单当前状态为「' . (self::STATUS_NAMES[$order->status] ?? $order->status) . '」，仅已取消订单可删除'
+                '订单当前状态为「' . (StoreOrderModel::STATUS_NAMES[$order->status] ?? $order->status) . '」，仅已取消订单可删除'
             );
         }
 
@@ -423,31 +207,7 @@ class StoreOrderController extends BaseController
     }
 
     /**
-     * 状态流转合法路径（与迁移状态定义一致）：
-     * 待接单→已接单/已取消；采购中→配送中/已完成；配送中→已完成
-     * （已接单→采购中 只能经「生成采购单」完成，不在本流转内）
-     *
-     * @return int[]
-     */
-    private function allowedTransitions(int $status): array
-    {
-        return match ($status) {
-            StoreOrderModel::STATUS_PENDING => [
-                StoreOrderModel::STATUS_SUMMARIZED,
-                StoreOrderModel::STATUS_CANCELLED,
-            ],
-            StoreOrderModel::STATUS_DELIVERING => [
-                StoreOrderModel::STATUS_DISTRIBUTION,
-                StoreOrderModel::STATUS_COMPLETED,
-            ],
-            StoreOrderModel::STATUS_DISTRIBUTION => [StoreOrderModel::STATUS_COMPLETED],
-            default => [],
-        };
-    }
-
-    /**
-     * 修改周转框/周转托盘数量（仅已接单、采购中、配送中可改），
-     * 自动重算附加金额与订单总金额
+     * 修改周转框/周转托盘数量
      */
     #[PutRoute(route: '/{id}/container', authorize: 'update', where: ['id' => '[0-9]+'])]
     public function container(int $id, Request $request): JsonResponse
@@ -476,7 +236,7 @@ class StoreOrderController extends BaseController
         ];
         if (! in_array($order->status, $editable, true)) {
             throw new RepositoryException(
-                '订单当前状态为「' . (self::STATUS_NAMES[$order->status] ?? $order->status) . '」，不允许修改周转框/托盘数量'
+                '订单当前状态为「' . (StoreOrderModel::STATUS_NAMES[$order->status] ?? $order->status) . '」，不允许修改周转框/托盘数量'
             );
         }
 
@@ -501,36 +261,24 @@ class StoreOrderController extends BaseController
     }
 
     /**
-     * 明细编辑状态校验：已完成/已取消订单锁定
+     * 状态流转合法路径
+     *
+     * @return int[]
      */
-    private function assertItemEditable(StoreOrderModel $order): void
+    private function allowedTransitions(int $status): array
     {
-        if (! in_array($order->status, self::ITEM_EDITABLE_STATUS, true)) {
-            throw new RepositoryException(
-                '订单当前状态为「' . (self::STATUS_NAMES[$order->status] ?? $order->status) . '」，不允许修改商品明细'
-            );
-        }
-    }
-
-    /**
-     * 重算订单汇总：明细金额合计 → 商品总金额；订货量/重量合计 → 订货总量/总重量；
-     * 订单总金额 = 商品总金额 + 附加金额（恒成立）
-     */
-    private function recalculateOrderTotals(StoreOrderModel $order): void
-    {
-        $totals = StoreOrderItemModel::query()
-            ->where('order_id', $order->id)
-            ->selectRaw('COALESCE(SUM(quantity), 0) as total_quantity')
-            ->selectRaw('COALESCE(SUM(weight), 0) as total_weight')
-            ->selectRaw('COALESCE(SUM(amount), 0) as product_amount')
-            ->first();
-
-        $productAmount = bcadd((string) $totals->product_amount, '0', 2);
-        $order->total_quantity = (int) $totals->total_quantity;
-        $order->total_weight = bcadd((string) $totals->total_weight, '0', 3);
-        $order->product_amount = $productAmount;
-        $order->total_amount = bcadd($productAmount, (string) $order->added_amount, 2);
-        $order->save();
+        return match ($status) {
+            StoreOrderModel::STATUS_PENDING => [
+                StoreOrderModel::STATUS_SUMMARIZED,
+                StoreOrderModel::STATUS_CANCELLED,
+            ],
+            StoreOrderModel::STATUS_DELIVERING => [
+                StoreOrderModel::STATUS_DISTRIBUTION,
+                StoreOrderModel::STATUS_COMPLETED,
+            ],
+            StoreOrderModel::STATUS_DISTRIBUTION => [StoreOrderModel::STATUS_COMPLETED],
+            default => [],
+        };
     }
 
     /**
@@ -543,7 +291,7 @@ class StoreOrderController extends BaseController
             ->where('status', UserModel::STATUS_NORMAL)
             ->pluck('id');
 
-        $statusName = self::STATUS_NAMES[$order->status] ?? (string) $order->status;
+        $statusName = StoreOrderModel::STATUS_NAMES[$order->status] ?? (string) $order->status;
         foreach ($userIds as $userId) {
             NoticeModel::create([
                 'user_id' => $userId,
diff --git a/app/Http/Controllers/Purchase/PurchaseOrderController.php b/app/Http/Controllers/Purchase/PurchaseOrderController.php
index ab3d57b..2ec64fc 100644
--- a/app/Http/Controllers/Purchase/PurchaseOrderController.php
+++ b/app/Http/Controllers/Purchase/PurchaseOrderController.php
@@ -9,17 +9,17 @@ use App\Models\ProductModel;
 use App\Models\PurchaseOrderModel;
 use App\Models\StoreModel;
 use App\Models\StoreOrderItemModel;
-use App\Services\ExportService;
-use App\Services\PurchaseEditService;
+use App\Models\StoreOrderModel;
+use App\Services\ItemImageResolver;
 use App\Services\PurchaseGenerateService;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
 use Modules\AnnoRoute\Attribute\GetRoute;
 use Modules\AnnoRoute\Attribute\PostRoute;
 use Modules\AnnoRoute\Attribute\PutRoute;
 use Modules\AnnoRoute\Attribute\RequestAttribute;
 use Modules\Common\Http\Controllers\BaseController;
-use Symfony\Component\HttpFoundation\Response;
 use Throwable;
 
 /**
@@ -50,8 +50,7 @@ class PurchaseOrderController extends BaseController
     }
 
     /**
-     * 采购单详情：头 + 明细矩阵（商品行 × 门店列）
-     * 行 = 商品（按分类 sort → 商品 sort 排序），列 = 商品信息 + 每个门店一格（数量/金额）
+     * 采购单详情
      */
     #[GetRoute(route: '/{id}', authorize: 'query', where: ['id' => '[0-9]+'])]
     public function detail(int $id): JsonResponse
@@ -163,8 +162,7 @@ class PurchaseOrderController extends BaseController
     }
 
     /**
-     * C1 生成采购单：合并全部「已接单」门店订单（或指定的 order_ids），
-     * 生成后源订单转为「采购中」并回写 purchase_id（订单与订货明细同步归集）
+     * 生成采购单
      */
     #[PostRoute('/generate', 'generate')]
     public function generate(Request $request): JsonResponse
@@ -192,29 +190,77 @@ class PurchaseOrderController extends BaseController
         );
     }
 
-    /** C2/C3 导出采购单：?type=all|category & format=xlsx|pdf */
-    #[GetRoute(route: '/{id}/export', authorize: 'export', where: ['id' => '[0-9]+'])]
-    public function export(int $id, Request $request): Response
+    /**
+     * 单元格下钻：采购单中某门店某商品的全部订货明细
+     */
+    #[GetRoute(route: '/{id}/cell', authorize: 'query', where: ['id' => '[0-9]+'])]
+    public function cell(int $id, Request $request): JsonResponse
     {
+        $productId = (int) $request->query('product_id', 0);
+        $storeId = (int) $request->query('store_id', 0);
+        if ($productId <= 0 || $storeId <= 0) {
+            throw new RepositoryException('缺少商品或门店参数');
+        }
         $purchase = PurchaseOrderModel::find($id);
         if (empty($purchase)) {
             throw new RepositoryException('采购单不存在');
         }
-        $type = (string) $request->query('type', 'all');
-        if (! in_array($type, ['all', 'category'], true)) {
-            throw new RepositoryException('导出类型参数不正确（all 全品类 / category 蔬果分类）');
-        }
 
-        return app(ExportService::class)->download(
-            'purchase',
-            $purchase,
-            (string) $request->query('format', ExportService::FORMAT_XLSX),
-            type: $type,
-        );
+        $items = StoreOrderItemModel::query()
+            ->join('store_order', 'store_order.id', '=', 'store_order_item.order_id')
+            ->where('store_order_item.purchase_id', $purchase->id)
+            ->where('store_order_item.product_id', $productId)
+            ->where('store_order_item.store_id', $storeId)
+            ->whereNull('store_order.deleted_at')
+            ->with('supplier:id,name')
+            ->select(
+                'store_order_item.*',
+                'store_order.order_no',
+                'store_order.order_date',
+                'store_order.status as order_status',
+            )
+            ->orderBy('store_order.id')
+            ->get()
+            ->makeVisible('cost_price');
+
+        $rows = [];
+        foreach ($items as $item) {
+            $rows[] = [
+                'id' => $item->id,
+                'order_id' => $item->order_id,
+                'order_no' => $item->order_no,
+                'order_date' => (string) $item->order_date,
+                'order_status' => (int) $item->order_status,
+                'product_name' => $item->product_name,
+                'product_spec' => $item->product_spec,
+                'unit' => $item->unit,
+                'supplier_id' => (int) $item->supplier_id,
+                'supplier' => $item->supplier ? ['id' => $item->supplier->id, 'name' => $item->supplier->name] : null,
+                'price' => (string) $item->price,
+                'cost_price' => (string) $item->cost_price,
+                'quantity' => (int) $item->quantity,
+                'weight' => (string) $item->weight,
+                'amount' => (string) $item->amount,
+                'remark' => (string) $item->remark,
+                'image_ids' => $item->image_ids,
+                'editable' => $purchase->status === PurchaseOrderModel::STATUS_PENDING
+                    && in_array((int) $item->order_status, StoreOrderItemModel::ITEM_EDITABLE_STATUS, true),
+            ];
+        }
+        app(ItemImageResolver::class)->resolve($rows);
+
+        $store = StoreModel::withTrashed()->find($storeId);
+        $product = ProductModel::withTrashed()->find($productId);
+
+        return $this->success([
+            'store' => $store ? ['id' => $store->id, 'name' => $store->name] : null,
+            'product' => $product ? ['id' => $product->id, 'name' => $product->name] : null,
+            'items' => $rows,
+        ]);
     }
 
     /**
-     * 商品行修改：品名/供应商/包规/单位/成本一键同步该商品全部订货明细；
+     * 商品行修改：品名/供应商/包规/单位/成本
      * @throws Throwable
      */
     #[PutRoute(route: '/{id}/row/{productId}', authorize: 'update', where: ['id' => '[0-9]+', 'productId' => '[0-9]+'])]
@@ -224,25 +270,77 @@ class PurchaseOrderController extends BaseController
         if (empty($purchase)) {
             throw new RepositoryException('采购单不存在');
         }
+        if ($purchase->status !== PurchaseOrderModel::STATUS_PENDING) {
+            throw new RepositoryException('采购单已完成，不允许修改明细');
+        }
+
         $validated = $request->validated();
 
-        $attrs = [];
-        foreach (['product_name', 'supplier_id', 'product_spec', 'unit', 'cost_price'] as $field) {
-            if (isset($validated[$field])) {
-                $attrs[$field] = $validated[$field];
+        $items = StoreOrderItemModel::query()
+            ->where('purchase_id', $purchase->id)
+            ->where('product_id', $productId)
+            ->lockForUpdate()
+            ->get();
+        if ($items->isEmpty()) {
+            throw new RepositoryException('该采购单下无此商品的订货明细');
+        }
+        foreach ($items as $item) {
+            $item->fill($validated)->save();
+        }
+
+        // 重算采购单成本
+        $query = StoreOrderItemModel::query()->where('purchase_id', $purchase->id);
+        $purchase->total_quantity = $query->sum('quantity');
+        $purchase->estimate_amount = $query->sum(DB::raw('quantity * cost_price'));
+        $purchase->save();
+
+        return $this->success(['count' => $items->count()], '已同步 ' . $items->count() . ' 条订货明细');
+    }
+
+    /**
+     * 门店订单明细修改（订货量、重量、单价），自动重算价格
+     * @throws Throwable
+     */
+    #[PutRoute(route: '/cell/{itemId}', authorize: 'update', where: ['itemId' => '[0-9]+'])]
+    public function cellUpdate(int $itemId, PurchaseCellUpdateRequest $request): JsonResponse
+    {
+        $validated = $request->validated();
+
+        return DB::transaction(function () use ($itemId, $validated) {
+            $item = StoreOrderItemModel::query()->lockForUpdate()->find($itemId);
+            if (empty($item) || (int) $item->purchase_id === 0) {
+                throw new RepositoryException('采购单明细不存在');
+            }
+            $purchase = PurchaseOrderModel::find((int) $item->purchase_id);
+            if (empty($purchase)) {
+                throw new RepositoryException('采购单不存在');
+            }
+            if ($purchase->status !== PurchaseOrderModel::STATUS_PENDING) {
+                throw new RepositoryException('采购单已完成，不允许修改明细');
             }
-        }
-        if ($attrs === []) {
-            throw new RepositoryException('品名/供应商/包规/单位/成本至少填写一项');
-        }
 
-        $count = app(PurchaseEditService::class)->updateRow(
-            $purchase,
-            $productId,
-            $attrs,
-            (bool) ($validated['sync_product'] ?? false),
-        );
+            $item->quantity = $validated['quantity'];
+            $item->price = $validated['price'];
+            if (array_key_exists('weight', $validated)) {
+                $item->weight = bcadd((string) $validated['weight'], '0', 3);
+            }
+            $item->amount = bcmul($validated['quantity'], $validated['price'], 3);
+            $item->save();
 
-        return $this->success(['count' => $count], '已同步 ' . $count . ' 条订货明细');
+            // 重算订单金额
+            $order = StoreOrderModel::query()->lockForUpdate()->find($item->order_id);
+            $order->product_amount = $order->items()->sum('amount');
+            $order->total_weight = $order->items()->sum('weight');
+            $order->total_amount = bcadd($order->product_amount, $order->added_amount, 2);
+            $order->save();
+
+            // 重算采购单重量
+            $purchase->total_weight = StoreOrderItemModel::query()
+                ->where('purchase_id', $purchase->id)
+                ->sum('weight');
+            $purchase->save();
+
+            return $this->success();
+        });
     }
 }
diff --git a/app/Http/Requests/Purchase/PurchaseCellUpdateRequest.php b/app/Http/Requests/Purchase/PurchaseCellUpdateRequest.php
index a725e37..23f4cc6 100644
--- a/app/Http/Requests/Purchase/PurchaseCellUpdateRequest.php
+++ b/app/Http/Requests/Purchase/PurchaseCellUpdateRequest.php
@@ -15,6 +15,7 @@ class PurchaseCellUpdateRequest extends BaseFormRequest
     {
         return [
             'quantity' => 'required|integer|min:0',
+            'price' => 'required|numeric|min:0',
             'weight' => 'nullable|numeric|min:0',
         ];
     }
@@ -25,6 +26,9 @@ class PurchaseCellUpdateRequest extends BaseFormRequest
             'quantity.required' => '数量不能为空',
             'quantity.integer' => '数量必须为整数',
             'quantity.min' => '数量不能小于 0',
+            'price.required' => '单价不能为空',
+            'price.numeric' => '单价必须为数字',
+            'price.min' => '单价不能小于 0',
             'weight.numeric' => '实际称重必须为数字',
             'weight.min' => '实际称重不能小于 0',
         ];
diff --git a/app/Http/Requests/Purchase/PurchaseRowUpdateRequest.php b/app/Http/Requests/Purchase/PurchaseRowUpdateRequest.php
index 6abf7e9..00d7a84 100644
--- a/app/Http/Requests/Purchase/PurchaseRowUpdateRequest.php
+++ b/app/Http/Requests/Purchase/PurchaseRowUpdateRequest.php
@@ -5,8 +5,7 @@ namespace App\Http\Requests\Purchase;
 use Modules\Common\Http\Requests\BaseFormRequest;
 
 /**
- * 采购明细商品行修改 验证（C4；品名/供应商/包规/单位/成本/称重至少一项，
- * 提交后一键同步该商品在本采购单下的全部订货明细）
+ * 采购明细商品行修改
  */
 class PurchaseRowUpdateRequest extends BaseFormRequest
 {
@@ -15,12 +14,11 @@ class PurchaseRowUpdateRequest extends BaseFormRequest
     public function rules(): array
     {
         return [
-            'product_name' => 'nullable|string|max:100',
-            'supplier_id' => 'nullable|integer|exists:supplier,id',
-            'product_spec' => 'nullable|string|max:100',
-            'unit' => 'nullable|string|max:20',
-            'cost_price' => 'nullable|numeric|min:0',
-            'sync_product' => 'nullable|boolean',
+            'product_name' => 'required|string|max:100',
+            'supplier_id' => 'required|integer|exists:supplier,id',
+            'product_spec' => 'required|string|max:100',
+            'unit' => 'required|string|max:20',
+            'cost_price' => 'required|numeric|min:0',
         ];
     }
 
@@ -28,11 +26,20 @@ class PurchaseRowUpdateRequest extends BaseFormRequest
     {
         return [
             'product_name.max' => '品名不能超过 100 字',
+            'product_name.required' => '品名不能为空',
+            'product_name.string' => '品名必须为字符串',
+            'supplier_id.supplier_id' => '供应商不能为空',
+            'supplier_id.integer' => '供应商格式错误',
             'supplier_id.exists' => '供应商不存在',
+            'product_spec.required' => '包规不能为空',
+            'product_spec.string' => '包规必须为字符串',
             'product_spec.max' => '包规不能超过 100 字',
+            'unit.required' => '单位不能为空',
+            'unit.string' => '单位必须为字符串',
             'unit.max' => '单位不能超过 20 字',
-            'cost_price.numeric' => '采购成本必须为数字',
-            'cost_price.min' => '采购成本不能小于 0',
+            'cost_price.required' => '成本不能为空',
+            'cost_price.numeric' => '成本必须为数字',
+            'cost_price.min' => '成本不能小于 0',
         ];
     }
 }
diff --git a/app/Models/StoreOrderItemModel.php b/app/Models/StoreOrderItemModel.php
index 4d87b35..442fe1c 100644
--- a/app/Models/StoreOrderItemModel.php
+++ b/app/Models/StoreOrderItemModel.php
@@ -60,6 +60,14 @@ class StoreOrderItemModel extends Model
      */
     protected $hidden = ['cost_price'];
 
+    /** 明细可编辑状态：待接单、已接单、采购中、配送中（已完成/已取消锁定） */
+    public const array ITEM_EDITABLE_STATUS = [
+        StoreOrderModel::STATUS_PENDING,
+        StoreOrderModel::STATUS_SUMMARIZED,
+        StoreOrderModel::STATUS_DELIVERING,
+        StoreOrderModel::STATUS_DISTRIBUTION,
+    ];
+
     /**
      * 商品图片ID（逗号分隔字符串 ↔ 数组）
      */
diff --git a/app/Models/StoreOrderModel.php b/app/Models/StoreOrderModel.php
index 8d08af7..d38ca51 100644
--- a/app/Models/StoreOrderModel.php
+++ b/app/Models/StoreOrderModel.php
@@ -28,6 +28,16 @@ class StoreOrderModel extends Model
     /** 状态：已取消 */
     public const int STATUS_CANCELLED = 9;
 
+    /** 状态中文名（后台文案/订单通知用） */
+    public const array STATUS_NAMES = [
+        self::STATUS_PENDING => '待接单',
+        self::STATUS_SUMMARIZED => '已接单',
+        self::STATUS_DELIVERING => '采购中',
+        self::STATUS_DISTRIBUTION => '配送中',
+        self::STATUS_COMPLETED => '已完成',
+        self::STATUS_CANCELLED => '已取消',
+    ];
+
     protected $table = 'store_order';
     protected $primaryKey = 'id';
 
diff --git a/app/Services/ItemImageResolver.php b/app/Services/ItemImageResolver.php
new file mode 100644
index 0000000..9657ceb
--- /dev/null
+++ b/app/Services/ItemImageResolver.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Services;
+
+use Modules\SystemTool\Models\SysFileModel;
+
+/**
+ * 商品快照首图解析：从明细 image_ids 批量解析文件 URL（门店订单列表/详情、采购单元格下钻共用）
+ */
+class ItemImageResolver
+{
+    /**
+     * @param array<int, array<string, mixed>> $items 明细数组（引用修改：写入 image，移除 image_ids）
+     */
+    public function resolve(array &$items): void
+    {
+        $fileIds = [];
+        foreach ($items as $line) {
+            foreach ((array) ($line['image_ids'] ?? []) as $fileId) {
+                if ($fileId !== '' && $fileId !== null) {
+                    $fileIds[] = (int) $fileId;
+                }
+            }
+        }
+        $fileUrls = [];
+        if ($fileIds !== []) {
+            foreach (SysFileModel::query()->whereIn('id', array_unique($fileIds))->get() as $file) {
+                $fileUrls[$file->id] = $file->preview_url;
+            }
+        }
+        foreach ($items as &$product) {
+            $product['image'] = '';
+            foreach ((array) ($product['image_ids'] ?? []) as $fileId) {
+                if ($fileId !== '' && $fileId !== null && isset($fileUrls[(int) $fileId])) {
+                    $product['image'] = $fileUrls[(int) $fileId];
+                    break;
+                }
+            }
+            unset($product['image_ids']);
+        }
+    }
+}
diff --git a/app/Services/PurchaseEditService.php b/app/Services/PurchaseEditService.php
deleted file mode 100644
index c6b8df2..0000000
--- a/app/Services/PurchaseEditService.php
+++ /dev/null
@@ -1,138 +0,0 @@
-<?php
-
-namespace App\Services;
-
-use App\Exceptions\RepositoryException;
-use App\Models\ProductModel;
-use App\Models\PurchaseOrderModel;
-use App\Models\StoreOrderItemModel;
-use App\Models\StoreOrderModel;
-use Illuminate\Support\Facades\DB;
-use Throwable;
-
-/**
- * 采购单数据修改
- */
-class PurchaseEditService
-{
-
-    /**
-     * 商品行修改：品名/供应商/包规/单位/成本一键同步该商品全部订货明细；
-     * syncProduct = true 时同步更新商品档案（product 表）
-     *
-     * @param PurchaseOrderModel $purchase
-     * @param int $productId
-     * @param array{product_name?: string, supplier_id?: int, product_spec?: string, unit?: string, cost_price?: float} $attrs 行属性（仅同步传入键）
-     * @param bool $syncProduct
-     * @return int
-     * @throws Throwable
-     */
-    public function updateRow(PurchaseOrderModel $purchase, int $productId, array $attrs, bool $syncProduct = false): int
-    {
-        return DB::transaction(function () use ($purchase, $productId, $attrs, $syncProduct) {
-            $items = StoreOrderItemModel::query()
-                ->where('purchase_id', $purchase->id)
-                ->where('product_id', $productId)
-                ->lockForUpdate()
-                ->get();
-            if ($items->isEmpty()) {
-                throw new RepositoryException('该采购单下无此商品的订货明细');
-            }
-
-            $sync = [];
-            if (isset($attrs['product_name'])) {
-                $sync['product_name'] = $attrs['product_name'];
-            }
-            if (isset($attrs['supplier_id'])) {
-                $sync['supplier_id'] = (int) $attrs['supplier_id'];
-            }
-            if (isset($attrs['product_spec'])) {
-                $sync['product_spec'] = $attrs['product_spec'];
-            }
-            if (isset($attrs['unit'])) {
-                $sync['unit'] = $attrs['unit'];
-            }
-            if (isset($attrs['cost_price'])) {
-                $sync['cost_price'] = bcadd((string) $attrs['cost_price'], '0', 2);
-            }
-            if ($sync !== []) {
-                foreach ($items as $item) {
-                    $item->fill($sync)->save();
-                }
-
-                // 同步至商品档案
-                if ($syncProduct) {
-                    $product = ProductModel::withTrashed()->find($productId);
-                    if ($product === null || $product->trashed()) {
-                        throw new RepositoryException('商品档案不存在或已删除，无法同步至商品');
-                    }
-                    $productAttrs = [];
-                    if (isset($sync['product_name'])) {
-                        $productAttrs['name'] = $sync['product_name'];
-                    }
-                    if (isset($sync['supplier_id'])) {
-                        $productAttrs['supplier_id'] = $sync['supplier_id'];
-                    }
-                    if (isset($sync['product_spec'])) {
-                        $productAttrs['spec'] = $sync['product_spec'];
-                    }
-                    if (isset($sync['unit'])) {
-                        $productAttrs['unit'] = $sync['unit'];
-                    }
-                    if (isset($sync['cost_price'])) {
-                        $productAttrs['cost_price'] = $sync['cost_price'];
-                    }
-                    $product->fill($productAttrs)->save();
-                }
-            }
-
-            $this->recalculatePurchaseTotals($purchase);
-
-            return $items->count();
-        });
-    }
-
-    /**
-     * 重算采购金额汇总
-     */
-    public function recalculatePurchaseTotals(PurchaseOrderModel $purchase): void
-    {
-        $items = StoreOrderItemModel::query()
-            ->where('purchase_id', $purchase->id)
-            ->get(['quantity', 'cost_price']);
-
-        $totalQuantity = 0;
-        $estimate = '0';
-        foreach ($items as $item) {
-            $totalQuantity += $item->quantity;
-            $item_estimate = bcmul($item->cost_price, $item->quantity, 2);
-            $estimate = bcadd($estimate, $item_estimate, 2);
-        }
-
-        $purchase->total_quantity = $totalQuantity;
-        $purchase->estimate_amount = $estimate;
-        $purchase->save();
-    }
-
-    /**
-     * 采购成本金额：称重>0 按 称重×单价，否则按 数量×单价
-     */
-    public static function costAmount(string $quantity, string $weight, string $unitCost): string
-    {
-        return (float) $weight > 0
-            ? bcmul($weight, $unitCost, 2)
-            : bcmul($quantity, $unitCost, 2);
-    }
-
-    /**
-     * 单价 = 成本 / 包规数值（spec 解析不出正数时按 1 处理，即单价=成本）
-     */
-    public static function unitCost(string $costPrice, string $spec): string
-    {
-        if (preg_match('/\d+(?:\.\d+)?/', $spec, $matches) === 1 && (float) $matches[0] > 0) {
-            return bcdiv($costPrice, $matches[0], 2);
-        }
-
-        return bcadd($costPrice, '0', 2);
-    }
-}
diff --git a/app/Services/PurchaseGenerateService.php b/app/Services/PurchaseGenerateService.php
index 66ec60b..611fa5c 100644
--- a/app/Services/PurchaseGenerateService.php
+++ b/app/Services/PurchaseGenerateService.php
@@ -58,8 +58,9 @@ readonly class PurchaseGenerateService
                 static fn (string $carry, $item): string => bcadd($carry, (string) $item->quantity, 2),
                 '0'
             );
+            // 预估金额 = Σ订货金额（明细金额 price×quantity），与采购单修改重算口径一致
             $estimateAmount = $items->reduce(
-                static fn (string $carry, $item): string => bcadd($carry, bcmul($item->quantity, (string) $item->cost_price, 2), 2),
+                static fn (string $carry, $item): string => bcadd($carry, (string) $item->amount, 2),
                 '0'
             );
 
diff --git a/app/Services/ReconciliationBuildService.php b/app/Services/ReconciliationBuildService.php
index ff3a965..18a7196 100644
--- a/app/Services/ReconciliationBuildService.php
+++ b/app/Services/ReconciliationBuildService.php
@@ -17,8 +17,8 @@ use Illuminate\Support\Facades\DB;
  * 流程（事务内，可重复 build：先清后建）：
  * 1. 按周期 + 品类（含子孙分类）+ 供应商拉取「已完成」门店订单的订货明细
  * 2. 每条订货明细 → 一条对账明细：
- *    publish_amount = 订货金额（order_item.amount）
- *    actual_amount  = 采购成本（称重>0 ? 称重×单价 : 数量×单价，单价 = 成本/包规）
+ *    publish_amount = 订货金额（order_item.amount = 每包等级价×数量）
+ *    actual_amount  = 采购成本（数量 × 每包成本价；单价/包规不参与金额计算）
  *    diff = publish − actual，冗余 product_name / store_id
  * 3. 汇总写回头的 publish/actual/diff_amount，status → 对账中
  */
@@ -64,15 +64,7 @@ class ReconciliationBuildService
             $now = now();
             foreach ($orderItems as $orderItem) {
                 $publish = (string) $orderItem->amount;
-                $unitCost = PurchaseEditService::unitCost(
-                    (string) ($orderItem->cost_price ?? '0'),
-                    (string) $orderItem->product_spec
-                );
-                $actual = PurchaseEditService::costAmount(
-                    (string) $orderItem->quantity,
-                    (string) $orderItem->weight,
-                    $unitCost
-                );
+                $actual = bcmul((string) $orderItem->quantity, (string) ($orderItem->cost_price ?? '0'), 2);
                 $publishTotal = bcadd($publishTotal, $publish, 2);
                 $actualTotal = bcadd($actualTotal, $actual, 2);
 
diff --git a/database/migrations/2026_07_23_030610_create_store_order_table.php b/database/migrations/2026_07_23_030610_create_store_order_table.php
index 3b6eccb..26bb23c 100644
--- a/database/migrations/2026_07_23_030610_create_store_order_table.php
+++ b/database/migrations/2026_07_23_030610_create_store_order_table.php
@@ -59,7 +59,7 @@ return new class extends Migration
                 $table->decimal('weight', 10, 3)->default(0)->comment('重量');
                 $table->decimal('amount', 10, 2)->default(0)->comment('单品金额');
                 $table->decimal('cost_price', 10, 2)->default(0)->comment('成本价');
-                $table->string('remark', 255)->default('')->comment('门店下单备注');
+                $table->string('remark', 255)->default('')->nullable()->comment('门店下单备注');
                 $table->timestamps();
                 $table->index(['order_id'], 'store_order_item_order_index');
                 $table->index(['purchase_id'], 'store_order_item_purchase_index');
diff --git a/tests/Feature/PurchaseEditTest.php b/tests/Feature/PurchaseEditTest.php
index 00189b1..2724dbf 100644
--- a/tests/Feature/PurchaseEditTest.php
+++ b/tests/Feature/PurchaseEditTest.php
@@ -13,8 +13,8 @@ use App\Models\SupplierModel;
 use App\Models\UserModel;
 
 /**
- * C4 采购单数据修改：详情矩阵（商品行 × 门店列）、门店单元格数量、行级成本/称重，
- * 修改同步订货明细并重算订单/采购单汇总
+ * C4 采购单数据修改：详情矩阵（商品行 × 门店列）、门店单元格下钻编辑/同步、行级成本，
+ * 修改同步订货明细并重算订单/采购单汇总（金额口径：数量(包) × 每包价格，单价/包规不参与金额计算）
  */
 class PurchaseEditTest extends ProcurementTestCase
 {
@@ -101,9 +101,10 @@ class PurchaseEditTest extends ProcurementTestCase
         $purchase = $purchase->fresh();
         $this->assertSame('8.00', (string) $purchase->total_quantity, '5+3');
         $this->assertSame('80.00', (string) $purchase->estimate_amount, '50+30');
+        $this->assertSame('160.00', (string) $purchase->actual_amount, '8 包 × 每包成本 20.00');
     }
 
-    /** 行级成本修改 → 同步该商品全部订货明细，采购单实际金额按 数量×单价 重算 */
+    /** 行级成本修改 → 同步该商品全部订货明细，采购单实际金额按 数量×每包成本 重算 */
     public function test_update_row_cost_syncs_all_order_items(): void
     {
         [$purchase, $product] = $this->buildPurchase();
@@ -116,33 +117,20 @@ class PurchaseEditTest extends ProcurementTestCase
         $this->assertSame(2, StoreOrderItemModel::where('cost_price', '30.00')->count());
 
         $purchase = $purchase->fresh();
-        // 单价 = 30 ÷ 10 = 3.00，实际金额 = 5 × 3.00
-        $this->assertSame('15.00', (string) $purchase->actual_amount);
+        $this->assertSame('150.00', (string) $purchase->actual_amount, '5 包 × 每包成本 30.00');
         $this->assertSame('50.00', (string) $purchase->estimate_amount, '订货金额不受成本修改影响');
     }
 
-    /** 行级称重修改 → 按各店数量比例分摊写入明细（尾差修正守恒），实际金额按 称重×单价 计 */
-    public function test_update_row_weight_distributed_by_quantity(): void
+    /** 行级属性修改：品名/供应商/包规/单位/成本一键同步该商品全部订货明细（重量为手动录入，不受行修改影响） */
+    public function test_update_row_does_not_touch_manual_weight(): void
     {
-        [$purchase, $product, $stores] = $this->buildPurchase();
+        [$purchase, $product] = $this->buildPurchase();
         $this->actingAsSysUser();
 
-        $this->putJson("/purchase/order/{$purchase->id}/row/{$product->id}", ['weight' => 10])
+        $this->putJson("/purchase/order/{$purchase->id}/row/{$product->id}", ['cost_price' => 30])
             ->assertJsonPath('success', true);
 
-        $items = StoreOrderItemModel::query()->orderBy('store_id')->get()->keyBy('store_id');
-        $this->assertSame('4.000', (string) $items[$stores[0]->id]->weight, '10 × 2/5');
-        $this->assertSame('6.000', (string) $items[$stores[1]->id]->weight, '10 × 3/5');
-        $this->assertSame(
-            '10.000',
-            bcadd((string) $items[$stores[0]->id]->weight, (string) $items[$stores[1]->id]->weight, 3),
-            '分摊守恒'
-        );
-
-        $purchase = $purchase->fresh();
-        $this->assertSame('10.000', (string) $purchase->total_weight);
-        // 称重>0 → 金额按 称重×单价：10 × 2.00
-        $this->assertSame('20.00', (string) $purchase->actual_amount);
+        $this->assertSame(0, StoreOrderItemModel::where('weight', '<>', 0)->count(), '重量保持手动录入值，不自动计算');
     }
 
     /** 行级属性修改：品名/供应商/包规/单位/成本一键同步该商品全部订货明细 */
@@ -175,8 +163,7 @@ class PurchaseEditTest extends ProcurementTestCase
         $product = $product->fresh();
         $this->assertNotSame('优选土豆', $product->name);
 
-        // 新单价 = 25 ÷ 5 = 5.00，实际金额 = 5 件 × 5.00
-        $this->assertSame('25.00', (string) $purchase->fresh()->actual_amount);
+        $this->assertSame('125.00', (string) $purchase->fresh()->actual_amount, '5 包 × 每包成本 25.00');
     }
 
     /** sync_product=true：订货明细与商品档案同步更新；软删除商品拒绝 */
@@ -231,4 +218,145 @@ class PurchaseEditTest extends ProcurementTestCase
         $this->putJson("/purchase/order/cell/{$item->id}", ['quantity' => -1])
             ->assertJsonPath('success', false);
     }
+
+    /** 单元格下钻：返回该门店该商品的全部订货明细（订单号/状态/快照/可编辑标记），其他门店无明细 */
+    public function test_cell_detail_returns_items_with_order_info(): void
+    {
+        [$purchase, $product, $stores] = $this->buildPurchase();
+        $this->actingAsSysUser();
+
+        $response = $this->getJson("/purchase/order/{$purchase->id}/cell?product_id={$product->id}&store_id={$stores[0]->id}")
+            ->assertOk()
+            ->assertJsonPath('success', true);
+
+        $data = $response->json('data');
+        $this->assertSame($stores[0]->name, $data['store']['name']);
+        $this->assertSame($product->name, $data['product']['name']);
+        $this->assertCount(1, $data['items']);
+
+        $item = $data['items'][0];
+        $this->assertArrayHasKey('order_no', $item);
+        $this->assertSame(2, $item['quantity']);
+        $this->assertSame('20.00', (string) $item['amount']);
+        $this->assertSame(StoreOrderModel::STATUS_DELIVERING, $item['order_status'], '生成采购单后源订单为采购中');
+        $this->assertTrue($item['editable']);
+
+        // 其他门店 → 另一条明细
+        $this->getJson("/purchase/order/{$purchase->id}/cell?product_id={$product->id}&store_id={$stores[1]->id}")
+            ->assertOk()
+            ->assertJsonPath('data.items.0.quantity', 3);
+    }
+
+    /** 单元格下钻参数校验：缺少商品/门店参数拒绝 */
+    public function test_cell_detail_rejects_missing_params(): void
+    {
+        [$purchase] = $this->buildPurchase();
+        $this->actingAsSysUser();
+
+        $this->getJson("/purchase/order/{$purchase->id}/cell")
+            ->assertJsonPath('success', false);
+    }
+
+    /** 单元格称重修改 → 明细/订货单/采购单重量与金额汇总级联重算 */
+    public function test_update_cell_weight_cascades_totals(): void
+    {
+        [$purchase, , $stores] = $this->buildPurchase();
+        $this->actingAsSysUser();
+
+        $item = StoreOrderItemModel::where('store_id', $stores[0]->id)->first();
+        $this->putJson("/purchase/order/cell/{$item->id}", ['quantity' => 5, 'weight' => 4.5])
+            ->assertJsonPath('success', true)
+            ->assertJsonPath('data.amount', 50);
+
+        $item = $item->fresh();
+        $this->assertSame('4.500', (string) $item->weight);
+        $this->assertSame('50.00', (string) $item->amount, '5 × 订货单价 10.00');
+
+        $order = StoreOrderModel::find($item->order_id);
+        $this->assertSame('4.500', (string) $order->total_weight);
+        $this->assertSame('50.00', (string) $order->product_amount);
+
+        $purchase = $purchase->fresh();
+        $this->assertSame('4.500', (string) $purchase->total_weight);
+        $this->assertSame('80.00', (string) $purchase->estimate_amount, '50+30 订货金额');
+        $this->assertSame('160.00', (string) $purchase->actual_amount, '8 包 × 每包成本 20.00（称重仅参考，不参与金额）');
+    }
+
+    /** 单元格一键同步：按商品ID同步档案 + 等级价重算，订货单与采购单汇总级联 */
+    public function test_cell_sync_refreshes_snapshot_and_cascades(): void
+    {
+        $level = CustomerLevelModel::factory()->create();
+        $store = StoreModel::factory()->create(['level_id' => $level->id]);
+        $product = ProductModel::factory()->create([
+            'status' => ProductModel::STATUS_ON,
+            'cost_price' => '10.00',
+            'spec' => '1斤/袋',
+            'unit' => '斤',
+        ]);
+        ProductPriceModel::factory()->create([
+            'product_id' => $product->id,
+            'level_id' => $level->id,
+            'price_type' => ProductPriceModel::PRICE_TYPE_PERCENT,
+            'percent' => 30,
+        ]);
+
+        $this->actingAsMiniUser(UserModel::factory()->forStore($store->id)->create());
+        $this->postJson('/mini/order', ['items' => [['product_id' => $product->id, 'quantity' => 2]]])
+            ->assertJsonPath('success', true);
+        StoreOrderModel::query()->update(['status' => StoreOrderModel::STATUS_SUMMARIZED]);
+
+        $this->actingAsSysUser();
+        $this->postJson('/purchase/order/generate', ['purchase_date' => now()->toDateString()])
+            ->assertJsonPath('success', true);
+
+        $purchase = PurchaseOrderModel::first();
+        $item = StoreOrderItemModel::first();
+        $this->assertSame('13.00', (string) $item->price, '下单时 10 元上浮 30%');
+        $this->assertSame('26.00', (string) $purchase->estimate_amount);
+
+        // 成本上调后同步：单价按最新成本重算，金额与两级汇总级联
+        $product->update(['cost_price' => '20.00']);
+
+        $this->putJson("/purchase/order/cell/{$item->id}/sync")
+            ->assertJsonPath('success', true)
+            ->assertJsonPath('data.amount', 52);
+
+        $item->refresh();
+        $this->assertSame('20.00', (string) $item->cost_price);
+        $this->assertSame('26.00', (string) $item->price, '20 元上浮 30% = 26.00');
+        $this->assertSame('52.00', (string) $item->amount, '26.00 × 2');
+
+        $order = StoreOrderModel::first();
+        $this->assertSame('52.00', (string) $order->product_amount);
+        $this->assertSame('52.00', (string) $order->total_amount);
+
+        $purchase = $purchase->fresh();
+        $this->assertSame('52.00', (string) $purchase->estimate_amount);
+        $this->assertSame('40.00', (string) $purchase->actual_amount, '2 包 × 每包成本 20.00');
+    }
+
+    /** 采购单已完成：单元格编辑/同步、行修改均拒绝，明细不变 */
+    public function test_edits_rejected_when_purchase_completed(): void
+    {
+        [$purchase, $product, $stores] = $this->buildPurchase();
+        $item = StoreOrderItemModel::where('store_id', $stores[0]->id)->first();
+        $purchase->update(['status' => PurchaseOrderModel::STATUS_COMPLETED]);
+
+        $this->actingAsSysUser();
+        $this->putJson("/purchase/order/cell/{$item->id}", ['quantity' => 5])
+            ->assertJsonPath('success', false)
+            ->assertJsonPath('msg', '采购单已完成，不允许修改明细');
+        $this->putJson("/purchase/order/cell/{$item->id}/sync")
+            ->assertJsonPath('success', false);
+        $this->putJson("/purchase/order/{$purchase->id}/row/{$product->id}", ['cost_price' => 30])
+            ->assertJsonPath('success', false);
+
+        $this->assertSame(2, $item->fresh()->quantity, '被拒绝后明细不变');
+        $this->assertSame('20.00', (string) $item->fresh()->cost_price);
+
+        // 下钻明细同步标记不可编辑
+        $this->getJson("/purchase/order/{$purchase->id}/cell?product_id={$product->id}&store_id={$stores[0]->id}")
+            ->assertOk()
+            ->assertJsonPath('data.items.0.editable', false);
+    }
 }
diff --git a/web/api/order/store.ts b/web/api/order/store.ts
index 562b1c2..df453c4 100644
--- a/web/api/order/store.ts
+++ b/web/api/order/store.ts
@@ -1,8 +1,7 @@
 import createAxios from '@/utils/request';
 import type IStoreOrder from '@/domain/iStoreOrder.ts';
-import type { IOrderSummaryRow, IStoreOrderItem, IStoreOrderItemUpdate } from '@/domain/iStoreOrder.ts';
 
-/** 订单详情（头 + 明细） */
+/** 订单详情 */
 export async function getStoreOrder(id: number) {
   return createAxios<IStoreOrder>({
     url: `/order/store/${id}`,
@@ -10,7 +9,7 @@ export async function getStoreOrder(id: number) {
   });
 }
 
-/** 订单状态流转（1已接单 3配送中 4已完成 9取消；已接单→采购中由生成采购单完成） */
+/** 订单状态流转 */
 export async function updateOrderStatus(id: number, status: number) {
   return createAxios({
     url: `/order/store/${id}/status`,
@@ -19,7 +18,7 @@ export async function updateOrderStatus(id: number, status: number) {
   });
 }
 
-/** 批量订单状态流转（全量校验，任一订单不允许流转则整批中止） */
+/** 批量订单状态流转 */
 export async function batchUpdateOrderStatus(ids: number[], status: number) {
   return createAxios<{ success: number }>({
     url: '/order/store/batchStatus',
@@ -37,32 +36,7 @@ export async function updateOrderContainer(id: number, data: { box_num: number;
   });
 }
 
-/** 已接单预览（按商品聚合，生成采购单前确认） */
-export async function getOrderSummary() {
-  return createAxios<IOrderSummaryRow[]>({
-    url: '/order/store/summary',
-    method: 'get',
-  });
-}
-
-/** 修改订单明细（供应商/品名/规格/单位/单价/成本价/订货量/重量，后端重算订单总价） */
-export async function updateOrderItem(itemId: number, data: IStoreOrderItemUpdate) {
-  return createAxios<IStoreOrderItem>({
-    url: `/order/store/item/${itemId}`,
-    method: 'put',
-    data,
-  });
-}
-
-/** 一键同步明细商品快照为最新商品档案信息（供应商/品名/规格/单位/单价/成本价） */
-export async function syncOrderItem(itemId: number) {
-  return createAxios<IStoreOrderItem>({
-    url: `/order/store/item/${itemId}/sync`,
-    method: 'put',
-  });
-}
-
-/** 删除订单（软删除，仅已取消订单允许） */
+/** 删除订单 */
 export async function deleteStoreOrder(id: number) {
   return createAxios({
     url: `/order/store/${id}`,
diff --git a/web/api/purchase/order.ts b/web/api/purchase/order.ts
index e967434..9fc8a2b 100644
--- a/web/api/purchase/order.ts
+++ b/web/api/purchase/order.ts
@@ -1,12 +1,27 @@
 import createAxios from '@/utils/request';
 import type {
-  ExportFormat,
+  IPurchaseCell,
   IPurchaseDetail,
-  PurchaseExportType,
 } from '@/domain/iPurchaseOrder.ts';
-import { downloadBlob } from '@/api/common/download.ts';
 
-/** C1 合并「已接单」门店订单生成采购单（order_ids 为空 = 全部已接单；生成后源订单转采购中） */
+/** 订单商品参数修改 */
+export interface PurchaseRowUpdateParams {
+  product_name: string;
+  supplier_id: number;
+  product_spec: string;
+  unit: string;
+  cost_price: number;
+}
+
+/** 修改门店订单明细参数 */
+export interface PurchaseCellUpdateParams {
+  quantity: number;
+  price: number;
+  weight?: number;
+}
+
+
+/** 生成采购单 */
 export async function generatePurchase(purchase_date: string, order_ids?: number[]) {
   return createAxios<{ id: number; purchase_no: string }>({
     url: '/purchase/order/generate',
@@ -15,7 +30,7 @@ export async function generatePurchase(purchase_date: string, order_ids?: number
   });
 }
 
-/** 采购单详情（商品行 × 门店列矩阵） */
+/** 采购单详情 */
 export async function getPurchaseDetail(id: number) {
   return createAxios<IPurchaseDetail>({
     url: `/purchase/order/${id}`,
@@ -23,36 +38,29 @@ export async function getPurchaseDetail(id: number) {
   });
 }
 
-/** C2/C3 导出采购单（blob 下载） */
-export async function exportPurchase(id: number, type: PurchaseExportType, format: ExportFormat) {
-  return downloadBlob(
-    `/purchase/order/${id}/export`,
-    { type, format },
-    `采购单_${id}.${format}`
-  );
-}
-
-/** C4 商品行修改参数（品名/供应商/包规/单位/成本/称重，一键同步该商品全部订货明细；sync_product 追加同步商品档案） */
-export interface PurchaseRowUpdateParams {
-  product_name?: string;
-  supplier_id?: number;
-  product_spec?: string;
-  unit?: string;
-  cost_price?: number;
-  weight?: number;
-  /** true = 同时同步至商品档案（product 表） */
-  sync_product?: boolean;
-}
-
-/** C4 商品行修改 */
-export async function updatePurchaseRow(
-  purchaseId: number,
-  productId: number,
-  data: PurchaseRowUpdateParams,
-) {
+/** 商品行修改 */
+export async function updatePurchaseRow(purchaseId: number, productId: number, data: PurchaseRowUpdateParams) {
   return createAxios<{ count: number }>({
     url: `/purchase/order/${purchaseId}/row/${productId}`,
     method: 'put',
     data,
   });
 }
+
+/** 单元格下钻：采购单中某门店某商品的全部订货明细 */
+export async function getPurchaseCell(purchaseId: number, productId: number, storeId: number) {
+  return createAxios<IPurchaseCell>({
+    url: `/purchase/order/${purchaseId}/cell`,
+    method: 'get',
+    params: { product_id: productId, store_id: storeId },
+  });
+}
+
+/** 门店订单明细修改（订货量、重量、单价），自动重算价格 */
+export async function updatePurchaseCellItem(itemId: number, data: PurchaseCellUpdateParams) {
+  return createAxios({
+    url: `/purchase/order/cell/${itemId}`,
+    method: 'put',
+    data,
+  });
+}
diff --git a/web/domain/iPurchaseOrder.ts b/web/domain/iPurchaseOrder.ts
index 63e0d0b..10d5035 100644
--- a/web/domain/iPurchaseOrder.ts
+++ b/web/domain/iPurchaseOrder.ts
@@ -50,6 +50,40 @@ export interface IPurchaseDetail {
   items: IPurchaseDetailRow[];
 }
 
+/** 单元格下钻明细行（溯源订货单明细，附订单号/状态/可编辑标记） */
+export interface IPurchaseCellItem {
+  id: number;
+  order_id: number;
+  order_no: string;
+  order_date: string;
+  /** 订货单状态：0待接单 1已接单 2采购中 3配送中 4已完成 9已取消 */
+  order_status: number;
+  product_name: string;
+  product_spec: string;
+  unit: string;
+  supplier_id: number;
+  supplier?: { id: number; name: string } | null;
+  /** 等级单价 */
+  price: string;
+  cost_price: string;
+  quantity: number;
+  weight: string;
+  /** 金额 = 数量×单价（整数金额返回 number） */
+  amount: number | string;
+  remark: string;
+  /** 首图 */
+  image?: string;
+  /** 是否可编辑/同步（采购单进行中且订货单未锁定） */
+  editable: boolean;
+}
+
+/** 单元格下钻数据（门店 + 商品 + 全部订货明细） */
+export interface IPurchaseCell {
+  store: { id: number; name: string } | null;
+  product: { id: number; name: string } | null;
+  items: IPurchaseCellItem[];
+}
+
 export const PURCHASE_STATUS_MAP: Record<number, { text: string; color: string }> = {
   0: { text: '进行中', color: 'processing' },
   3: { text: '已完成', color: 'success' },
diff --git a/web/pages/order/store.tsx b/web/pages/order/store.tsx
index f3d80c2..24009d0 100644
--- a/web/pages/order/store.tsx
+++ b/web/pages/order/store.tsx
@@ -6,13 +6,11 @@ import {
   Drawer,
   Empty,
   Form,
-  Input,
   InputNumber,
   message,
   Modal,
   Popconfirm,
   Radio,
-  Select,
   Space,
   Tag,
   Typography,
@@ -26,33 +24,25 @@ import type {
   XinTableProps,
 } from '@/components/XinTable/typings.ts';
 import type IStoreOrder from '@/domain/iStoreOrder.ts';
-import type { IStoreOrderItem, IStoreOrderItemUpdate } from '@/domain/iStoreOrder.ts';
 import { STORE_ORDER_STATUS_MAP } from '@/domain/iStoreOrder.ts';
 import {
   getStoreOrder,
   updateOrderContainer,
   updateOrderStatus,
   batchUpdateOrderStatus,
-  updateOrderItem,
-  syncOrderItem,
   deleteStoreOrder,
 } from '@/api/order/store.ts';
 import { generatePurchase } from '@/api/purchase/order.ts';
 import { getStoreOptions } from '@/api/customer/store.ts';
-import { getSupplierOptions } from '@/api/customer/supplier.ts';
 import type IStore from '@/domain/iStore.ts';
-import type ISupplier from '@/domain/iSupplier.ts';
 import AuthButton from '@/components/AuthButton';
-import { DeleteOutlined, EditOutlined, SettingOutlined, SyncOutlined, UnorderedListOutlined } from '@ant-design/icons';
-import TextArea from "antd/es/input/TextArea";
+import { DeleteOutlined, SettingOutlined, UnorderedListOutlined } from '@ant-design/icons';
 
 const { Title, Text } = Typography;
 
 /** 允许修改周转框/托盘数量的订单状态：已接单、采购中、配送中 */
 const CONTAINER_EDITABLE_STATUS = [1, 2, 3];
 
-/** 允许修改/同步商品明细的订单状态：待接单、已接单、采购中、配送中（已完成/已取消锁定） */
-const ITEM_EDITABLE_STATUS = [0, 1, 2, 3];
 
 /**
  * 状态流转合法路径：待接单→已接单/已取消；采购中→配送中/已完成；配送中→已完成
@@ -99,18 +89,9 @@ const StoreOrderPage: React.FC = () => {
   const [generateLoading, setGenerateLoading] = useState(false);
   const [generateForm] = Form.useForm<{ purchase_date: dayjs.Dayjs }>();
 
-  /** 供应商选项（明细编辑用） */
-  const [suppliers, setSuppliers] = useState<ISupplier[]>([]);
-
-  /** 商品明细编辑（弹窗表单，保存后后端重算订单总价） */
-  const [itemEditOpen, setItemEditOpen] = useState(false);
-  const [itemEditTarget, setItemEditTarget] = useState<IStoreOrderItem | null>(null);
-  const [itemSaving, setItemSaving] = useState(false);
-  const [itemForm] = Form.useForm<IStoreOrderItemUpdate>();
 
   useEffect(() => {
     getStoreOptions().then((res) => setStores(res.data.data ?? []));
-    getSupplierOptions().then((res) => setSuppliers(res.data.data ?? []));
   }, []);
 
   const openDetail = async (id: number) => {
@@ -184,47 +165,6 @@ const StoreOrderPage: React.FC = () => {
     }
   };
 
-  /** 打开明细编辑弹窗（商品快照 + 订货量/重量） */
-  const openItemEdit = (item: IStoreOrderItem) => {
-    setItemEditTarget(item);
-    itemForm.setFieldsValue({
-      supplier_id: item.supplier_id ?? 0,
-      product_name: item.product_name ?? '',
-      product_spec: item.product_spec ?? '',
-      unit: item.unit ?? '',
-      price: Number(item.price ?? 0),
-      cost_price: Number(item.cost_price ?? 0),
-      quantity: Number(item.quantity ?? 0),
-      weight: Number(item.weight ?? 0),
-      remark: item.remark ?? '',
-    });
-    setItemEditOpen(true);
-  };
-
-  /** 保存明细修改：后端重算单品金额与订单总价 */
-  const handleItemSave = async (values: IStoreOrderItemUpdate) => {
-    if (!itemEditTarget?.id || !detail?.id) return;
-    setItemSaving(true);
-    try {
-      await updateOrderItem(itemEditTarget.id, values);
-      message.success('明细已更新，订单总价已重算');
-      setItemEditOpen(false);
-      await openDetail(detail.id);
-      await tableRef.current?.reload();
-    } finally {
-      setItemSaving(false);
-    }
-  };
-
-  /** 一键同步：按商品ID拉取最新商品档案（供应商/品名/规格/单位/单价/成本价） */
-  const handleItemSync = async (item: IStoreOrderItem) => {
-    if (!item.id || !detail?.id) return;
-    await syncOrderItem(item.id);
-    message.success('已同步最新商品信息，订单总价已重算');
-    await openDetail(detail.id);
-    await tableRef.current?.reload();
-  };
-
   /** 删除订单（软删除，仅已取消订单可删；删除后后台/小程序端均不可见） */
   const handleDelete = async (id: number) => {
     await deleteStoreOrder(id);
@@ -240,9 +180,6 @@ const StoreOrderPage: React.FC = () => {
     + watchTrayNum * Number(containerOrder?.tray_price ?? 0);
   const previewTotal = Number(containerOrder?.product_amount ?? 0) + previewAdded;
 
-  /** 明细行编辑/同步按钮（仅未完成、未取消订单可见） */
-  const itemEditable = ITEM_EDITABLE_STATUS.includes(detail?.status ?? -1);
-
   const columns: XinTableColumn<IStoreOrder>[] = [
     {
       title: '订单号',
@@ -622,8 +559,8 @@ const StoreOrderPage: React.FC = () => {
                 <div className="w-30 shrink-0 text-center">供应商</div>
                 <div className="w-30 shrink-0 text-center">单价</div>
                 <div className="w-26 shrink-0 text-center">订货量</div>
-                <div className="w-33 shrink-0 text-center">金额</div>
-                {itemEditable ? <div className="w-40 shrink-0 text-center">操作</div> : null}
+                <div className="w-33 shrink-0 text-center">订货金额</div>
+                <div className="w-33 shrink-0 text-center">重量</div>
               </div>
               {(detail.items ?? []).map((item) => (
                 <div key={item.id} className="flex items-center border-t border-gray-100 px-4 py-3">
@@ -645,9 +582,8 @@ const StoreOrderPage: React.FC = () => {
                     <div className="ml-3 min-w-0">
                       <div className="text-sm font-medium">{item.product_name}</div>
                       <div className="mt-0.5 text-xs text-gray-500">
-                        {item.product_spec || '-'} / {item.unit || '-'}  · 成本价 ¥
-                        {item.cost_price ?? '0.00'}
-                        {Number(item.weight ?? 0) > 0 ? ` · 重量：${item.weight}` : ''}
+                        {item.product_spec || '-'} {item.unit || '-'}
+                        <div>成本：¥{item.cost_price ?? '0.00'}</div>
                       </div>
                       {item.remark ? (
                         <div className="mt-0.5 truncate text-xs text-gray-500">备注：{item.remark}</div>
@@ -660,42 +596,18 @@ const StoreOrderPage: React.FC = () => {
                   <div className="w-33 shrink-0 text-center">
                     <Text strong>¥{item.amount}</Text>
                   </div>
-                  {itemEditable ? (
-                    <div className="w-40 shrink-0 text-center">
-                      <Space size={0}>
-                        <AuthButton auth="order.store.update">
-                          <Button
-                            type="link"
-                            size="small"
-                            icon={<EditOutlined />}
-                            onClick={() => openItemEdit(item)}
-                          >
-                            编辑
-                          </Button>
-                        </AuthButton>
-                        <AuthButton auth="order.store.update">
-                          <Popconfirm
-                            title="确认同步最新商品信息？"
-                            description="将按商品ID同步供应商、品名、规格、单位、成本价，并按门店等级价重算单价"
-                            onConfirm={() => handleItemSync(item)}
-                          >
-                            <Button type="link" size="small" icon={<SyncOutlined />}>
-                              同步
-                            </Button>
-                          </Popconfirm>
-                        </AuthButton>
-                      </Space>
-                    </div>
-                  ) : null}
+                  <div className="w-33 shrink-0 text-center">
+                    {item.weight ?? '-'} 斤
+                  </div>
                 </div>
               ))}
-              {(detail.items ?? []).length === 0 ? (
+              {(detail.items ?? []).length === 0 && (
                 <Empty
                   image={Empty.PRESENTED_IMAGE_SIMPLE}
                   description="暂无商品明细"
                   className="py-8!"
                 />
-              ) : null}
+              )}
             </div>
 
             {/* 附加信息 */}
@@ -828,87 +740,6 @@ const StoreOrderPage: React.FC = () => {
           </div>
         </Space>
       </Modal>
-
-      {/* 编辑商品明细（保存后后端重算单品金额与订单总价） */}
-      <Modal
-        title="编辑商品明细"
-        open={itemEditOpen}
-        onCancel={() => setItemEditOpen(false)}
-        onOk={() => itemForm.submit()}
-        confirmLoading={itemSaving}
-        okText="保存"
-        width={640}
-        destroyOnHidden
-      >
-        <div className="py-2 text-gray-500">
-          订单 {detail?.order_no}；修改保存后，系统将自动重算单品金额与订单总价。
-        </div>
-        <Form form={itemForm} layout="vertical" onFinish={handleItemSave}>
-          <div className="grid grid-cols-2 gap-x-4">
-            <Form.Item
-              label="供应商"
-              name="supplier_id"
-              rules={[{ required: true, message: '请选择供应商' }]}
-            >
-              <Select
-                showSearch={{
-                  optionFilterProp: 'label'
-                }}
-                placeholder="请选择供应商"
-                options={suppliers.map((s) => ({ label: s.name, value: s.id }))}
-              />
-            </Form.Item>
-            <Form.Item
-              label="品名"
-              name="product_name"
-              rules={[{ required: true, message: '请输入品名' }]}
-            >
-              <Input placeholder="请输入品名" maxLength={100} />
-            </Form.Item>
-            <Form.Item label="规格/包规" name="product_spec">
-              <Input placeholder="请输入规格/包规" maxLength={100} />
-            </Form.Item>
-            <Form.Item
-              label="计价单位"
-              name="unit"
-              rules={[{ required: true, message: '请输入计价单位' }]}
-            >
-              <Input placeholder="斤/件/箱等" maxLength={20} />
-            </Form.Item>
-            <Form.Item
-              label="单价（元）"
-              name="price"
-              rules={[{ required: true, message: '请输入单价' }]}
-            >
-              <InputNumber className="w-full" min={0} precision={2} placeholder="请输入单价" />
-            </Form.Item>
-            <Form.Item
-              label="成本价（元）"
-              name="cost_price"
-              rules={[{ required: true, message: '请输入成本价' }]}
-            >
-              <InputNumber className="w-full" min={0} precision={2} placeholder="请输入成本价" />
-            </Form.Item>
-            <Form.Item
-              label="订货量"
-              name="quantity"
-              rules={[{ required: true, message: '请输入订货量' }]}
-            >
-              <InputNumber className="w-full" min={1} precision={0} placeholder="请输入订货量" />
-            </Form.Item>
-            <Form.Item
-              label="重量"
-              name="weight"
-              rules={[{ required: true, message: '请输入重量' }]}
-            >
-              <InputNumber className="w-full" min={0} precision={3} placeholder="请输入重量" />
-            </Form.Item>
-            <Form.Item label="备注" name="remark">
-              <TextArea className="w-full" placeholder="请输入备注" />
-            </Form.Item>
-          </div>
-        </Form>
-      </Modal>
     </>
   );
 };
diff --git a/web/pages/purchase/order.tsx b/web/pages/purchase/order.tsx
index ba42676..a56e94c 100644
--- a/web/pages/purchase/order.tsx
+++ b/web/pages/purchase/order.tsx
@@ -3,13 +3,17 @@ import {
   Button,
   Descriptions,
   Drawer,
+  Empty,
   Form,
+  Image,
   Input,
   InputNumber,
   message,
   Modal,
   Popconfirm,
   Select,
+  Space,
+  Spin,
   Table,
   Tag,
   Typography,
@@ -24,12 +28,17 @@ import type {
 } from '@/components/XinTable/typings.ts';
 import type IPurchaseOrder from '@/domain/iPurchaseOrder.ts';
 import type {
+  IPurchaseCell,
+  IPurchaseCellItem,
   IPurchaseDetail,
   IPurchaseDetailRow,
 } from '@/domain/iPurchaseOrder.ts';
 import { PURCHASE_STATUS_MAP } from '@/domain/iPurchaseOrder.ts';
+import { STORE_ORDER_STATUS_MAP } from '@/domain/iStoreOrder.ts';
 import {
-  getPurchaseDetail,
+  getPurchaseCell,
+  getPurchaseDetail, type PurchaseCellUpdateParams, type PurchaseRowUpdateParams,
+  updatePurchaseCellItem,
   updatePurchaseRow,
 } from '@/api/purchase/order.ts';
 import { Update } from '@/api/common/table.ts';
@@ -39,16 +48,7 @@ import AuthButton from '@/components/AuthButton';
 
 const { Title, Text } = Typography;
 
-/** 行修改表单：品名/供应商/包规/单位/成本 */
-interface RowEditForm {
-  product_name: string;
-  supplier_id?: number;
-  product_spec: string;
-  unit: string;
-  cost_price: number;
-}
-
-/** 单价 = 成本 / 包规数值（包规解析不出正数时按 1 处理，与后端同口径） */
+/** 参考单价 = 成本 / 包规数值（包规解析不出正数时按 1 处理，与后端同口径；仅展示参考，不参与金额计算） */
 const calcUnitCost = (cost: number, spec: string): number => {
   const pack = parseFloat(spec);
   return Number.isFinite(pack) && pack > 0 ? cost / pack : cost;
@@ -70,14 +70,32 @@ const PurchaseOrderPage: React.FC = () => {
   // 行修改弹窗
   const [editingRow, setEditingRow] = useState<IPurchaseDetailRow | null>(null);
   const [rowSaving, setRowSaving] = useState(false);
-  const [syncTarget, setSyncTarget] = useState<'purchase' | 'product'>('purchase');
-  const [editForm] = Form.useForm<RowEditForm>();
+  const [editForm] = Form.useForm<PurchaseRowUpdateParams>();
   const [suppliers, setSuppliers] = useState<ISupplier[]>([]);
 
+  // 单元格下钻弹窗（门店 × 商品订货明细）
+  const [cellOpen, setCellOpen] = useState(false);
+  const [cellLoading, setCellLoading] = useState(false);
+  const [cellData, setCellData] = useState<IPurchaseCell | null>(null);
+  const [cellQuery, setCellQuery] = useState<{ productId: number; storeId: number } | null>(null);
+
+  // 单元格明细编辑（数量/称重）
+  const [cellItemOpen, setCellItemOpen] = useState(false);
+  const [cellItemTarget, setCellItemTarget] = useState<IPurchaseCellItem | null>(null);
+  const [cellItemSaving, setCellItemSaving] = useState(false);
+  const [cellItemForm] = Form.useForm<PurchaseCellUpdateParams>();
+
   useEffect(() => {
     getSupplierOptions().then((res) => setSuppliers(res.data.data ?? []));
   }, []);
 
+  // 单元格下钻弹窗打开时加载明细
+  useEffect(() => {
+    if (cellOpen && cellQuery) {
+      loadCell();
+    }
+  }, [cellOpen, cellQuery]);
+
   const loadDetail = async (id: number) => {
     setDetailLoading(true);
     try {
@@ -93,6 +111,63 @@ const PurchaseOrderPage: React.FC = () => {
     await loadDetail(id);
   };
 
+  /** 打开单元格下钻：门店 + 商品 → 该采购单下全部订货明细 */
+  const openCell = (row: IPurchaseDetailRow, store: { id: number; name: string }) => {
+    setCellQuery({ productId: row.product_id, storeId: store.id });
+    setCellData(null);
+    setCellOpen(true);
+  };
+
+  /** 加载单元格明细 */
+  const loadCell = async () => {
+    if (!detail || !cellQuery) {
+      return;
+    }
+    setCellLoading(true);
+    try {
+      const res = await getPurchaseCell(detail.purchase.id!, cellQuery.productId, cellQuery.storeId);
+      setCellData(res.data.data ?? null);
+    } finally {
+      setCellLoading(false);
+    }
+  };
+
+  /** 单元格明细修改/同步后：刷新弹窗、采购单详情与列表 */
+  const refreshAfterCellChange = async () => {
+    await loadCell();
+    if (detail) {
+      await loadDetail(detail.purchase.id!);
+    }
+    await tableRef.current?.reload();
+  };
+
+  const openCellItemEdit = (item: IPurchaseCellItem) => {
+    setCellItemTarget(item);
+    cellItemForm.setFieldsValue({
+      quantity: item.quantity,
+      price: Number(item.price ?? 0),
+      weight: Number(item.weight ?? 0),
+    });
+    setCellItemOpen(true);
+  };
+
+  /** 提交单元格明细修改：级联重算明细金额、订货单与采购单汇总 */
+  const handleCellItemSave = async (values: PurchaseCellUpdateParams) => {
+    if (!cellItemTarget?.id) {
+      return;
+    }
+    setCellItemSaving(true);
+    try {
+      await updatePurchaseCellItem(cellItemTarget.id, values);
+      message.success('明细已更新，订货单与采购单汇总已重算');
+      setCellItemOpen(false);
+      setCellItemTarget(null);
+      await refreshAfterCellChange();
+    } finally {
+      setCellItemSaving(false);
+    }
+  };
+
   const openEdit = (row: IPurchaseDetailRow) => {
     setEditingRow(row);
     editForm.setFieldsValue({
@@ -105,7 +180,7 @@ const PurchaseOrderPage: React.FC = () => {
   };
 
   /** 提交行修改：同步该商品全部订货明细；syncTarget=product 时追加同步商品档案 */
-  const handleEditSave = async (values: RowEditForm) => {
+  const handleEditSave = async (values: PurchaseRowUpdateParams) => {
     if (!detail || !editingRow) {
       return;
     }
@@ -114,13 +189,8 @@ const PurchaseOrderPage: React.FC = () => {
       const res = await updatePurchaseRow(detail.purchase.id!, editingRow.product_id, {
         ...values,
         supplier_id: values.supplier_id ?? 0,
-        sync_product: syncTarget === 'product',
       });
-      message.success(
-        syncTarget === 'product'
-          ? `已同步 ${res.data.data?.count ?? 0} 条订货明细，并更新商品档案`
-          : `已同步 ${res.data.data?.count ?? 0} 条订货明细`,
-      );
+      message.success(`已更新 ${res.data.data?.count ?? 0} 条订货明细`);
       setEditingRow(null);
       await loadDetail(detail.purchase.id!);
       await tableRef.current?.reload();
@@ -156,9 +226,9 @@ const PurchaseOrderPage: React.FC = () => {
         render: (_, row) => row.supplier?.name ?? '-',
       },
       {
-        title: '单价',
+        title: '参考单价',
         key: 'unit_cost',
-        width: 90,
+        width: 100,
         align: 'center',
         render: (_, row) => `¥${calcUnitCost(Number(row.cost_price), row.product_spec ?? '').toFixed(2)}`,
       },
@@ -174,7 +244,11 @@ const PurchaseOrderPage: React.FC = () => {
       align: 'center' as const,
       render: (_: unknown, row: IPurchaseDetailRow) => {
         const quantity = row.cells[store.id];
-        return quantity !== undefined ? <Text>{quantity}</Text> : <Text type="secondary">-</Text>;
+        return quantity !== undefined ? (
+          <Typography.Link onClick={() => openCell(row, store)}>{quantity}</Typography.Link>
+        ) : (
+          <Text type="secondary">-</Text>
+        );
       },
     }));
 
@@ -387,7 +461,7 @@ const PurchaseOrderPage: React.FC = () => {
         )}
       </Drawer>
 
-      {/* 行修改：品名/供应商/包规/单位/成本，同步采购单明细 / 追加同步商品档案 */}
+      {/* 行修改：品名/供应商/包规/单位/成本 */}
       <Modal
         title={editingRow ? `修改「${editingRow.product_name}」` : '修改明细行'}
         open={editingRow !== null}
@@ -397,31 +471,13 @@ const PurchaseOrderPage: React.FC = () => {
           <Button key="cancel" onClick={() => setEditingRow(null)}>
             取消
           </Button>,
-          <Button
-            key="product"
-            loading={rowSaving && syncTarget === 'product'}
-            onClick={() => {
-              setSyncTarget('product');
-              editForm.submit();
-            }}
-          >
-            保存并同步
-          </Button>,
-          <Button
-            key="purchase"
-            type="primary"
-            loading={rowSaving && syncTarget === 'purchase'}
-            onClick={() => {
-              setSyncTarget('purchase');
-              editForm.submit();
-            }}
-          >
+          <Button key="purchase" type="primary" loading={rowSaving} onClick={() => editForm.submit()}>
             保存
-          </Button>,
+          </Button>
         ]}
       >
         <div className="py-2 text-gray-500">
-          「保存」仅修改本采购单中该商品的所有订单项；「保存并同步」在此基础上同时更新商品档案（后续新订单生效）。
+          「保存」仅修改本采购单中该商品的所有订单项
         </div>
         <Form form={editForm} layout="vertical" onFinish={handleEditSave}>
           <Form.Item
@@ -431,7 +487,11 @@ const PurchaseOrderPage: React.FC = () => {
           >
             <Input maxLength={100} />
           </Form.Item>
-          <Form.Item label="供应商" name="supplier_id">
+          <Form.Item
+            label="供应商"
+            name="supplier_id"
+            rules={[{ required: true, message: '请选择供应商' }]}
+          >
             <Select
               allowClear
               showSearch={{ optionFilterProp: 'label' }}
@@ -439,10 +499,18 @@ const PurchaseOrderPage: React.FC = () => {
               options={suppliers.map((s) => ({ value: s.id, label: s.name }))}
             />
           </Form.Item>
-          <Form.Item label="包规" name="product_spec" rules={[{ max: 100 }]}>
+          <Form.Item
+            label="包规"
+            name="product_spec"
+            rules={[{ required: true, message: '请输入包规' }, { max: 100 }]}
+          >
             <Input maxLength={100} placeholder="如：10斤/箱" />
           </Form.Item>
-          <Form.Item label="单位" name="unit" rules={[{ max: 20 }]}>
+          <Form.Item
+            label="单位"
+            name="unit"
+            rules={[{ required: true, message: '请输入单位' },{ max: 20 }]}
+          >
             <Input maxLength={20} placeholder="如：斤" />
           </Form.Item>
           <Form.Item
@@ -454,6 +522,161 @@ const PurchaseOrderPage: React.FC = () => {
           </Form.Item>
         </Form>
       </Modal>
+
+      {/* 单元格下钻 */}
+      <Modal
+        title={cellData ? `${cellData.store?.name ?? ''} · ${cellData.product?.name ?? ''}` : '门店商品明细'}
+        open={cellOpen}
+        onCancel={() => setCellOpen(false)}
+        footer={null}
+        width={1000}
+        destroyOnHidden
+        styles={{ body: {paddingTop: 16} }}
+      >
+        <Spin spinning={cellLoading}>
+          {cellData && (
+            <>
+              {cellData.items.length === 0 ? (
+                <Empty
+                  image={Empty.PRESENTED_IMAGE_SIMPLE}
+                  description="该门店无此商品明细"
+                  className="py-8!"
+                />
+              ) : (
+                <div className="overflow-hidden rounded border border-gray-200">
+                  <div className="flex bg-gray-50 px-4 py-2 text-sm text-gray-500">
+                    <div className="flex-1">商品信息</div>
+                    <div className="w-30 shrink-0 text-center">单价</div>
+                    <div className="w-26 shrink-0 text-center">订货量</div>
+                    <div className="w-33 shrink-0 text-center">订货金额</div>
+                    <div className="w-33 shrink-0 text-center">重量</div>
+                    <div className="w-40 shrink-0 text-center">操作</div>
+                  </div>
+                  {cellData.items.map((item) => (
+                    <div key={item.id} className="flex items-center border-t border-gray-100 px-4 py-3">
+                      <div className="flex min-w-0 flex-1 items-center">
+                        <Image.PreviewGroup>
+                          {item.image ? (
+                            <Image
+                              src={item.image}
+                              width={48}
+                              height={48}
+                              style={{ objectFit: 'cover', borderRadius: 4 }}
+                            />
+                          ) : (
+                            <div className="flex h-12 w-12 shrink-0 items-center justify-center rounded bg-gray-100 text-xs text-gray-400">
+                              暂无图片
+                            </div>
+                          )}
+                        </Image.PreviewGroup>
+                        <div className="ml-3 min-w-0">
+                          <div className="text-sm font-medium">
+                            {item.product_name}
+                            <Tag
+                              className="ml-2!"
+                              color={STORE_ORDER_STATUS_MAP[item.order_status]?.color}
+                            >
+                              {STORE_ORDER_STATUS_MAP[item.order_status]?.text}
+                            </Tag>
+                          </div>
+                          <div className="mt-0.5 text-xs text-gray-500">
+                            订单：{item.order_no}
+                          </div>
+                          {item.remark ? (
+                            <div className="mt-0.5 truncate text-xs text-gray-500">
+                              备注：{item.remark}
+                            </div>
+                          ) : null}
+                        </div>
+                      </div>
+                      <div className="w-30 shrink-0 text-center">¥{item.price}</div>
+                      <div className="w-26 shrink-0 text-center">{item.quantity}</div>
+                      <div className="w-33 shrink-0 text-center">
+                        <Text strong>¥{item.amount}</Text>
+                      </div>
+                      <div className="w-33 shrink-0 text-center">
+                        {item.weight ?? '-'} 斤
+                      </div>
+                      <div className="w-40 shrink-0 text-center">
+                        {item.editable ? (
+                          <Space size={0}>
+                            <AuthButton auth="purchase.order.update">
+                              <Button
+                                type="link"
+                                size="small"
+                                icon={<EditOutlined />}
+                                onClick={() => openCellItemEdit(item)}
+                              >
+                                编辑
+                              </Button>
+                            </AuthButton>
+                          </Space>
+                        ) : (
+                          <Text type="secondary">-</Text>
+                        )}
+                      </div>
+                    </div>
+                  ))}
+                </div>
+              )}
+              {cellData.items.length > 0 && (
+                <div className="mt-3! flex justify-end gap-6 text-sm">
+                  <Text type="secondary">
+                    合计数量：
+                    <Text strong>{cellData.items.reduce((sum, item) => sum + item.quantity, 0)}</Text>
+                  </Text>
+                  <Text type="secondary">
+                    合计订货金额：
+                    <Text strong type="danger">
+                      ¥
+                      {cellData.items
+                        .reduce((sum, item) => sum + Number(item.amount), 0)
+                        .toFixed(2)}
+                    </Text>
+                  </Text>
+                </div>
+              )}
+            </>
+          )}
+        </Spin>
+      </Modal>
+
+      {/* 单元格明细编辑 */}
+      <Modal
+        title={cellItemTarget ? `编辑「${cellItemTarget.product_name}」` : '编辑明细'}
+        open={cellItemOpen}
+        onCancel={() => {
+          setCellItemOpen(false);
+          setCellItemTarget(null);
+        }}
+        onOk={() => cellItemForm.submit()}
+        confirmLoading={cellItemSaving}
+        okText="保存"
+        destroyOnHidden
+      >
+        <div className="py-2 text-gray-500">
+          订单 {cellItemTarget?.order_no}；修改保存后，系统将自动重算明细金额、订货单与采购单汇总。
+        </div>
+        <Form form={cellItemForm} layout="vertical" onFinish={handleCellItemSave}>
+          <Form.Item
+            label="单价（元）"
+            name="price"
+            rules={[{ required: true, message: '请输入单价' }]}
+          >
+            <InputNumber className="w-full" min={0} precision={2} placeholder="请输入单价" />
+          </Form.Item>
+          <Form.Item
+            label="订货量"
+            name="quantity"
+            rules={[{ required: true, message: '请输入订货量' }]}
+          >
+            <InputNumber className="w-full" min={0} precision={0} placeholder="请输入订货量" />
+          </Form.Item>
+          <Form.Item label="称重" name="weight" rules={[{ required: true, message: '请输入称重' }]}>
+            <InputNumber className="w-full" min={0} precision={3} placeholder="请输入称重" />
+          </Form.Item>
+        </Form>
+      </Modal>
     </>
   );
 };
diff --git a/开发计划.md b/开发计划.md
deleted file mode 100644
index 76b4875..0000000
--- a/开发计划.md
+++ /dev/null
@@ -1,517 +0,0 @@
-****# 订货采购系统 · 开发计划
-
-> 版本：V2.0（2026-07-23）
-> 依据：《项目需求规划书.md》V1.0
-> 技术栈：Laravel 13 + XinAdmin（AnnoRoute / XinTable / XinForm）+ 微信小程序（前端形态，独立项目）
->
-> ## V2.0 变更要点（相对 V1.0）
-> 1. **PC 前端不做国际化** —— 业务页面文案全部硬编码中文，不建 `web/locales/**` 业务语言包，不使用 `useTranslation()`；菜单 `sys_rule.local` 留空、`name` 直接写中文（layout 在 `local` 为空时自动回退显示 `name`）
-> 2. **业务代码进 `app/` 目录** —— 遵循 Laravel 标准目录规范（`app/Models`、`app/Http/Controllers`、`app/Http/Requests`、`app/Services`），不再往 `modules/` 写业务代码。`AppServiceProvider::boot()` 已注册 `$annoRoute->register(app_path('Http/Controllers'))` 递归扫描，**新控制器零注册即生效，无需新建 ServiceProvider**
-> 3. **小程序用户并入现有 `user` 表** —— `mini_user` 表已删除（迁移已改、库已重建）；认证复用现有 `users` guard（provider 已指向 `App\Models\UserModel`），`config/auth.php` 零改动
-> 4. 补齐后台 API 与前端 API 封装的逐接口明细
-> 5. **导出方案定案并已就绪** —— Excel 用 `maatwebsite/excel` ^3.1、PDF 用 `barryvdh/laravel-dompdf` ^3.1（**均已安装**）；中文字体 SimHei 已注册进 DomPDF（`resources/fonts/simhei.ttf`，`AppServiceProvider` 启动时幂等注册，已验证中文 PDF 生成）；所有导出接口支持 `?format=xlsx|pdf`，详见 2.5
-
----
-
-## 一、进度总览
-
-| 阶段 | 内容 | 状态 |
-|------|------|------|
-| 一 | 数据库迁移（user 表扩展 + 16 张业务表，共 17 张） | ✅ 已完成（2026-07-23，migrate:fresh 已执行） |
-| 二 | 模型层（UserModel 扩展 + 17 个新模型，含关系/常量/工厂） | ✅ 已完成（2026-07-23，18 模型 + 9 工厂 + 3 Service 骨架，104 项自检通过） |
-| 三 | PC 后台 API（`app/Http/Controllers` 下 5 个业务域 + FormRequest + Service） | ✅ 已完成（2026-07-23，14 控制器 + 9 FormRequest + 6 Service/Export，44 路由与权限点验证通过；对账明细操作拆为独立 ReconItemController 以匹配 recon.item.item.update 权限点） |
-| 四 | 小程序 API（`app/Http/Controllers/Mini`，微信登录 + 门店端 + 供应商端） | ✅ 已完成（2026-07-23，7 控制器 + WechatService 完整实现 + 20 路由验证通过；#7 已批准：purchase_order_item 补 supplier_confirmed_at） |
-| 五 | PC 前端页面 + 菜单权限 Seeder（硬编码中文，无 i18n） | ✅ 已完成（2026-07-23，12 页面 + 11 API 封装 + 12 domain 类型 + ProcurementSeeder 62 节点已入库授权，tsc/vite build 通过） |
-| 六 | PHPUnit 功能测试 | ✅ 已完成（2026-07-23，8 测试类 38 用例 225 断言全过；测试驱动修复：订单 summary DATE_FORMAT 方言适配、phpunit 切 SQLite :memory:、启用 pdo_sqlite 扩展） |
-
----
-
-## 二、架构设计
-
-### 2.1 目录结构（app/，Laravel 标准规范）
-
-```
-app/
-├── Models/                          # 所有 Eloquent 模型（扁平目录，Laravel 惯例）
-│   ├── UserModel.php                # 现有 → 扩展：小程序字段 + 关系 + 常量
-│   ├── CustomerLevelModel.php
-│   ├── StoreModel.php
-│   ├── SupplierModel.php
-│   ├── NoticeModel.php
-│   ├── ProductCategoryModel.php
-│   ├── ProductModel.php
-│   ├── ProductPriceModel.php
-│   ├── StoreOrderModel.php
-│   ├── StoreOrderItemModel.php
-│   ├── PurchaseOrderModel.php
-│   ├── PurchaseOrderItemModel.php
-│   ├── PurchaseAllocationModel.php
-│   ├── ReconciliationModel.php
-│   ├── ReconciliationItemModel.php
-│   ├── StatementModel.php
-│   ├── StatementItemModel.php
-│   └── SettlementModel.php
-├── Http/
-│   ├── Controllers/                 # AnnoRoute 自动递归扫描 *Controller.php
-│   │   ├── Customer/                # 客户等级 / 门店 / 供应商 / 小程序用户 / 通知
-│   │   ├── Product/                 # 商品分类 / 商品档案（含价格体系）
-│   │   ├── Order/                   # 门店订单
-│   │   ├── Purchase/                # 采购单（生成 / 导出 / 发送 / 分摊）
-│   │   ├── Recon/                   # 财务对账 / 门店对账单 / 结算表
-│   │   └── Mini/                    # 小程序专用（authGuard: 'users'）
-│   └── Requests/                    # FormRequest，按业务域分子目录
-│       ├── Customer/  Product/  Purchase/  Recon/  Mini/
-├── Services/                        # 新目录：复杂业务逻辑（控制器只做参数校验与编排）
-│   ├── BillNumberService.php        # 单号生成：PO/SO/RC/ST/JS + yyyyMMdd + 4位序列
-│   ├── PurchaseGenerateService.php  # C1 订单汇总生成采购单
-│   ├── PurchaseAllocateService.php  # D3 采购金额按订货比例分摊
-│   ├── ReconciliationBuildService.php # 对账明细构建（品类/供应商筛选）
-│   ├── StatementGenerateService.php # 门店对账单生成（回款周期快照）
-│   ├── WechatService.php            # code2Session / 手机号解密（HTTP 调微信 API）
-│   └── ExportService.php            # 导出统一入口：按业务类型 + format 分发到 Exports 类 / PDF 模板
-└── Exports/                         # Laravel Excel 导出类（FromQuery + WithHeadings + WithMapping + WithStyles）
-    ├── PurchaseOrderExport.php      # C2/C3 采购单导出（all 全品类 / category 蔬果分类）
-    ├── StatementExport.php          # 门店对账单导出
-    └── SettlementExport.php         # D10 结算表导出
-resources/
-├── fonts/simhei.ttf                 # 中文字体（DomPDF 用，已入库）
-└── views/exports/                   # PDF 导出 Blade 模板（统一 font-family: SimHei）
-    ├── purchase.blade.php
-    ├── statement.blade.php
-    └── settlement.blade.php
-database/factories/                  # 模型工厂（Laravel 默认位置）
-```
-
-### 2.2 认证体系（双端共用 Sanctum，零配置改动）
-
-| 端 | Guard | 模型 | 说明 |
-|----|-------|------|------|
-| PC 后台 | `sys_users`（现有默认） | `SysUserModel` | AnnoRoute 不传 authGuard 即走默认；abilities 权限点校验 |
-| 小程序 | `users`（现有） | `App\Models\UserModel` | Sanctum token，abilities = `['mini']` |
-
-- `config/auth.php` **无需改动**：`users` guard / provider 已存在且指向 `App\Models\UserModel`
-- 小程序控制器类级声明：`#[RequestAttribute('/mini', 'mini', authGuard: 'users')]`；登录等公开接口用 `authorize: false`
-- `AuthGuardMiddleware` 按 `tokenable_type` 比对 guard 的 provider model，天然隔离双端：后台 token 无法访问 `/mini/*`，反之亦然
-- Token 共用 `sys_access_token` 表（多态，`SysAccessToken` 已在 SystemUserServiceProvider 全局注册）
-
-### 2.3 微信登录流程
-
-```
-小程序 wx.login() 拿 code
-  → POST /mini/auth/login {code}（authorize: false）
-  → WechatService::code2Session（appid + secret 换 openid/session_key）
-  → UserModel::firstOrCreate(openid) → createToken('mini', ['mini']) → 返回 token + 用户信息
-  → 更新 last_login_at
-小程序 wx.getPhoneNumber 拿 phoneCode
-  → POST /mini/auth/phone {phoneCode} → WechatService::getPhone 换手机号 → 绑定 user.phone
-  → 按手机号匹配 store.phone / supplier.phone：
-      命中门店 → type=1 + store_id；命中供应商 → type=2 + supplier_id；都不命中 → type=0 待绑定（后台人工处理）
-```
-
-微信配置：`config/services.php` 增加 `wechat.mini`，读取 `WECHAT_MINI_APPID` / `WECHAT_MINI_SECRET`（需业务方提供）。
-
-> 实现说明：`WechatService` 基于 **EasyWeChat 6.x**（`w7corp/easywechat`）`MiniApp\Application` 封装，code2Session / getPhoneNumber 走 SDK `Utils`（access_token 由 SDK 自动管理）；测试通过 `WechatService::setHttpClient()` 注入 Symfony `MockHttpClient` 拦截微信调用，`WechatService` 在 `AppServiceProvider` 注册为单例以保证注入生效。
-
-### 2.4 通用约定
-
-- **REST 命名与 XinTable 默认一致**：`GET {api}`=query、`POST {api}`=create、`PUT {api}/{id}`=update、`DELETE {api}/{id}`=delete
-- **单号生成**：`BillNumberService::make('PO')` → `PO202607230001`（采购 PO / 订货 SO / 对账 RC / 对账单 ST / 结算 JS），按「前缀+当日」计数自增
-- **快照原则**：下单/生成采购单/生成对账单时冗余品名、规格、单价；历史单据不受调价影响
-- **列表查询**：控制器继承 `Modules\Common\Http\Controllers\BaseController`，声明 `$searchField`（支持 `=` `like` `date` `betweenDate` 等算子）/ `$quickSearchField`，用 `buildSearch()` 组装
-- **数据隔离**：小程序端一切查询强制以当前用户 `store_id` / `supplier_id` 过滤，详情接口校验归属
-- **金额字段 casts `decimal:2`，重量 `decimal:3`**；金额运算用 `bcmath`（bcadd/bcmul），禁止浮点直算
-- **状态字段一律类常量**（如 `StoreOrderModel::STATUS_PENDING`），控制器/前端 render 均引用常量映射，禁止魔术数字
-- **前端文案硬编码中文**：页面 `title`、表格列名、按钮文字直接写字面量；错误提示走后端返回的 `msg`（后端校验消息也直接写中文，不用 `__()`）
-
-### 2.5 导出方案（Excel + PDF，已就绪）
-
-**依赖（已安装并验证）**
-
-| 用途 | 包 | 版本 | 状态 |
-|------|----|----|------|
-| Excel（xlsx/csv） | `maatwebsite/excel`（PhpSpreadsheet） | ^3.1 | ✅ 已安装 |
-| PDF | `barryvdh/laravel-dompdf`（纯 PHP，无外部二进制） | ^3.1 | ✅ 已安装，config/dompdf.php 已发布 |
-| PDF 中文 | SimHei 黑体 | — | ✅ `resources/fonts/simhei.ttf` 已入库；`AppServiceProvider::boot()` 幂等注册到 DomPDF（缓存写入 `storage/fonts/`，已 gitignore）；模板统一 `font-family: SimHei` |
-
-**统一入口**
-
-```php
-// 控制器只调一行，format 校验在 ExportService 内完成（xlsx|pdf，默认 xlsx）
-return app(ExportService::class)->download('purchase', $purchase, $format, type: 'all');
-return app(ExportService::class)->download('statement', $statement, $format);
-return app(ExportService::class)->download('settlement', $settlement, $format);
-```
-
-- **Excel 分支**：`Excel::download(new PurchaseOrderExport($purchase, $type), $filename)`，导出类放 `app/Exports/`，实现 `FromCollection + WithHeadings + WithMapping + WithStyles`（表头加粗冻结首行）
-- **PDF 分支**：`Pdf::loadView('exports.purchase', compact(...))->setPaper('a4')->download($filename)`；模板放 `resources/views/exports/`，顶部公共样式 `body { font-family: SimHei }`，金额列右对齐、表格细边框
-- **文件名规范**：`{单号}_{业务名}.{ext}`，如 `PO202607230001_采购单.xlsx`；中文文件名由 Laravel 下载响应自动做 RFC 5987 编码（`Content-Disposition: attachment; filename*=UTF-8''...`），前端从响应头取或按单号兜底拼接
-- **同步 vs 异步**：当前数据量用同步流式下载（不落盘）；后续量大再切队列导出 + `storage/app/exports` 暂存 + 通知下载，ExportService 签名保持不变
-- **PDF 体积提示**：DomPDF 全量嵌入字体，单文件约 10MB 量级，属正常现象；若业务方介意可后续评估换 Snappy（需 wkhtmltopdf 二进制）
-
----
-
-## 三、阶段二：模型层（app/Models）
-
-### 3.1 UserModel 扩展（改现有文件）
-
-| 项 | 内容 |
-|----|------|
-| fillable | 增加 `openid, unionid, phone, avatar, type, store_id, supplier_id, status, last_login_at`；**移除不存在的 `mobile`**（user 表无此列，系历史遗留） |
-| casts | `last_login_at` => `datetime` |
-| 常量 | `TYPE_PENDING=0, TYPE_STORE=1, TYPE_SUPPLIER=2`；`STATUS_NORMAL=1, STATUS_DISABLED=0` |
-| 关系 | `store()` belongsTo StoreModel；`supplier()` belongsTo SupplierModel；`notices()` hasMany NoticeModel（外键 `user_id`） |
-
-### 3.2 新模型清单
-
-| 模型 | 表 | 要点 |
-|------|----|------|
-| CustomerLevelModel | customer_level | hasMany stores |
-| StoreModel | store | SoftDeletes；belongsTo level；hasMany orders / users；`payment_cycle_days` 影响对账单 |
-| SupplierModel | supplier | SoftDeletes；hasMany products / purchaseItems / users |
-| NoticeModel | notice | belongsTo user；casts `data` => array；常量 `TYPE_ORDER/TYPE_PRICE/TYPE_SYSTEM` |
-| ProductCategoryModel | product_category | parent/children 自关联；提供静态 `getTreeData()`（分类树/级联选项复用） |
-| ProductModel | product | SoftDeletes；belongsTo category / supplier；hasMany prices；常量 `STATUS_ON=1, STATUS_OFF=0` |
-| ProductPriceModel | product_price | belongsTo product / level；联合键 (product_id, level_id) |
-| StoreOrderModel | store_order | belongsTo store；hasMany items；常量 `STATUS_PENDING=0 待汇总 / STATUS_SUMMARIZED=1 已汇总 / STATUS_DELIVERING=2 配送中 / STATUS_COMPLETED=3 已完成 / STATUS_CANCELLED=9 已取消` |
-| StoreOrderItemModel | store_order_item | belongsTo order / product |
-| PurchaseOrderModel | purchase_order | belongsTo operator（SysUserModel，外键 operator_id）；hasMany items；常量 `STATUS_PENDING=0 待发送 / STATUS_PART_SENT=1 部分发送 / STATUS_ALL_SENT=2 全部发送 / STATUS_COMPLETED=3 已完成` |
-| PurchaseOrderItemModel | purchase_order_item | belongsTo purchase / product / supplier；hasMany allocations |
-| PurchaseAllocationModel | purchase_allocation | belongsTo purchaseItem / orderItem / store / product |
-| ReconciliationModel | reconciliation | belongsTo operator；hasMany items；常量 `STATUS_DRAFT=0 草稿 / STATUS_WORKING=1 对账中 / STATUS_SETTLED=2 已结算` |
-| ReconciliationItemModel | reconciliation_item | belongsTo recon / store / product / purchaseItem / orderItem |
-| StatementModel | statement | belongsTo store；hasMany items；常量 `STATUS_PENDING=0 待对账 / STATUS_RECONCILED=1 已对账 / STATUS_SETTLED=2 已结算` |
-| StatementItemModel | statement_item | belongsTo statement / order / orderItem / product |
-| SettlementModel | settlement | belongsTo recon / store / operator |
-
-### 3.3 配套
-
-- 工厂（`database/factories/`）：Store、Product、ProductPrice、StoreOrder、StoreOrderItem、PurchaseOrder，供阶段六测试使用
-- `BillNumberService`、`WechatService`、`ExportService` 骨架在本阶段一并建好（空实现 + 签名），`app/Exports/` 与 `resources/views/exports/` 的具体实现在阶段三随对应控制器落地
-- 导出依赖已就绪（`maatwebsite/excel`、`barryvdh/laravel-dompdf` 均已安装，SimHei 字体已注册验证，见 2.5）
-
----
-
-## 四、阶段三：PC 后台 API（app/Http/Controllers，AnnoRoute）
-
-> 所有控制器类级 `#[RequestAttribute(前缀, 权限前缀)]` 不传 authGuard（默认 `sys_users`）；方法级 `authorize: 'xxx'` 生成权限点 `前缀.xxx`。
-
-### 4.1 客户域 `app/Http/Controllers/Customer/`
-
-**CustomerLevelController** — `#[RequestAttribute('/customer/level', 'customer.level')]`，`$searchField = ['name' => 'like', 'status' => '=']`
-
-| 路由 | 属性 | 权限点 | 说明 |
-|------|------|--------|------|
-| `GET /customer/level` | `authorize: 'query'` | customer.level.query | 分页列表，sort 排序 |
-| `POST /customer/level` | `authorize: 'create'` | customer.level.create | CustomerLevelFormRequest（name 必填唯一、sort、status、remark） |
-| `PUT /customer/level/{id}` | `authorize: 'update'` | customer.level.update | 编辑 |
-| `DELETE /customer/level/{id}` | `authorize: 'delete'` | customer.level.delete | 被 store 引用时拒绝删除 |
-| `GET /customer/level/options` | `authorize: 'query'` | customer.level.query | 下拉选项 `{id, name}`（门店表单用） |
-
-**StoreController** — `/customer/store`，`customer.store`；`$searchField = ['name' => 'like', 'code' => 'like', 'level_id' => '=', 'status' => '=']`，`$quickSearchField = ['name', 'code', 'contact', 'phone']`
-
-| 路由 | 权限点 | 说明 |
-|------|--------|------|
-| REST（query/create/update/delete） | customer.store.* | StoreFormRequest：name、code（唯一）、level_id、contact、phone、address、payment_cycle_days（≥0）、status；with('level') 回显等级名 |
-| `GET /customer/store/options` | customer.store.query | 下拉选项（小程序用户绑定、订单筛选用） |
-
-**SupplierController** — `/customer/supplier`，`customer.supplier`
-
-| 路由 | 权限点 | 说明 |
-|------|--------|------|
-| REST | customer.supplier.* | SupplierFormRequest：name、contact、phone、address、main_products、status |
-| `GET /customer/supplier/options` | customer.supplier.query | 下拉选项 |
-
-**MiniUserController** — `/customer/miniUser`，`customer.miniUser`；`$searchField = ['type' => '=', 'store_id' => '=', 'supplier_id' => '=', 'status' => '=']`，`$quickSearchField = ['nickname', 'phone']`
-
-| 路由 | 属性 | 权限点 | 说明 |
-|------|------|--------|------|
-| `GET /customer/miniUser` | `authorize: 'query'` | customer.miniUser.query | 用户列表，with('store','supplier') |
-| `PUT /customer/miniUser/{id}/bind` | `authorize: 'bind'` | customer.miniUser.bind | MiniUserBindRequest `{type, store_id?, supplier_id?}`：type=1 时 store_id 必填，type=2 时 supplier_id 必填；一个门店可绑多个账号，一个账号只绑一个主体 |
-| `PUT /customer/miniUser/{id}/status` | `authorize: 'update'` | customer.miniUser.update | 启用/停用（停用后 token 鉴权拦截：登录时检查 status） |
-
-> 无 create/delete：用户由小程序登录自动生成，后台只做绑定与状态管理。
-
-**NoticeController** — `/customer/notice`，`customer.notice`
-
-| 路由 | 属性 | 权限点 | 说明 |
-|------|------|--------|------|
-| `GET /customer/notice` | `authorize: 'query'` | customer.notice.query | 通知列表 |
-| `POST /customer/notice` | `authorize: 'create'` | customer.notice.create | NoticeFormRequest：user_id=0 为全员广播，否则指定用户；title/content/type |
-| `DELETE /customer/notice/{id}` | `authorize: 'delete'` | customer.notice.delete | 删除 |
-
-### 4.2 商品域 `app/Http/Controllers/Product/`
-
-**ProductCategoryController** — `#[RequestAttribute('/product/category', 'product.category')]`
-
-| 路由 | 属性 | 权限点 | 说明 |
-|------|------|--------|------|
-| `GET /product/category` | `authorize: 'query'` | product.category.query | 树形返回（后端组装 children，前端 XinTable 树表展示），sort 排序 |
-| `GET /product/category/tree` | `authorize: 'query'` | product.category.query | 级联选项（商品表单 category 下拉、对账筛选用） |
-| `POST /product/category` | `authorize: 'create'` | product.category.create | ProductCategoryFormRequest：name、parent_id（防自引用成环）、sort、status |
-| `PUT /product/category/{id}` | `authorize: 'update'` | product.category.update | 编辑 |
-| `DELETE /product/category/{id}` | `authorize: 'delete'` | product.category.delete | 有子分类或挂载商品时拒绝 |
-
-**ProductController** — `/product/goods`，`product.goods`；`$searchField = ['name' => 'like', 'category_id' => '=', 'supplier_id' => '=', 'status' => '=']`，`$quickSearchField = ['name', 'spec']`
-
-| 路由 | 属性 | 权限点 | 说明 |
-|------|------|--------|------|
-| `GET /product/goods` | `authorize: 'query'` | product.goods.query | A1 商品列表，with('category','supplier','prices.level') |
-| `POST /product/goods` | `authorize: 'create'` | product.goods.create | ProductFormRequest：name、spec、grade、unit、category_id、supplier_id、image、sort、status、remark + `prices: [{level_id, price}]` 数组；事务内建商品 + 同步 product_price |
-| `PUT /product/goods/{id}` | `authorize: 'update'` | product.goods.update | 编辑，prices 按 level_id upsert（删除已移除的等级行） |
-| `DELETE /product/goods/{id}` | `authorize: 'delete'` | product.goods.delete | 软删除（连带 prices 一并删） |
-| `GET /product/goods/priceMatrix` | `authorize: 'query'` | product.goods.query | A2 价格矩阵：行=商品（支持 category_id/keyword 过滤），列=全部启用等级，值=price（缺失为 null） |
-| `PUT /product/goods/batchPrice` | `authorize: 'batchPrice'` | product.goods.batchPrice | A2 批量调价：BatchPriceRequest `updates: [{product_id, level_id, price}]`；事务写入，**写完后给受影响门店生成 Notice（type=price）** 提示价格变更 |
-| `GET /product/goods/options` | `authorize: 'query'` | product.goods.query | 商品下拉 `{id, name, spec, unit}`（仅上架） |
-
-### 4.3 订单域 `app/Http/Controllers/Order/`
-
-**StoreOrderController** — `#[RequestAttribute('/order/store', 'order.store')]`；`$searchField = ['store_id' => '=', 'status' => '=', 'order_no' => 'like', 'order_date' => 'betweenDate']`
-
-| 路由 | 属性 | 权限点 | 说明 |
-|------|------|--------|------|
-| `GET /order/store` | `authorize: 'query'` | order.store.query | 订单列表，with('store')，order_date 倒序 |
-| `GET /order/store/{id}` | `authorize: 'query'` | order.store.query | 详情：订单头 + items（含商品快照） |
-| `PUT /order/store/{id}/status` | `authorize: 'update'` | order.store.update | 状态流转 `{status}`，按常量校验合法路径（待汇总→配送中→完成；待汇总可取消）；流转时可选写 Notice 通知门店 |
-| `GET /order/store/summary` | `authorize: 'query'` | order.store.query | 待汇总预览：聚合 status=PENDING 的订单明细按 product_id group，输出 `{product_id, product_name, spec, unit, total_quantity, store_count}`，供生成采购单前确认 |
-
-> 订单只读 + 状态管理：创建/取消在小程序端（阶段四），后台不提供增删。
-
-### 4.4 采购域 `app/Http/Controllers/Purchase/`
-
-**PurchaseOrderController** — `#[RequestAttribute('/purchase/order', 'purchase.order')]`；`$searchField = ['status' => '=', 'purchase_no' => 'like', 'purchase_date' => 'betweenDate']`
-
-| 路由 | 属性 | 权限点 | 说明 |
-|------|------|--------|------|
-| `GET /purchase/order` | `authorize: 'query'` | purchase.order.query | 列表，with('operator') |
-| `GET /purchase/order/{id}` | `authorize: 'query'` | purchase.order.query | 详情：头 + items（with supplier）+ allocations |
-| `PUT /purchase/order/{id}` | `authorize: 'update'` | purchase.order.update | C4 修改头信息（purchase_date、remark） |
-| `POST /purchase/order/generate` | `authorize: 'generate'` | purchase.order.generate | **C1 核心**，`PurchaseGenerateService::generate($date, $operatorId)`，见下 |
-| `GET /purchase/order/{id}/export` | `authorize: 'export'` | purchase.order.export | C2/C3 `?type=all\|category&format=xlsx\|pdf`：all=全品类按分类 sort 排序；category=仅蔬果分类。`ExportService::download('purchase', ...)` 输出 blob |
-| `PUT /purchase/order/item/{id}` | `authorize: 'update'` | purchase.order.update | C4 明细修改：PurchaseItemUpdateRequest（product_name/spec、weight、price、quantity）；**amount 后端重算** = weight>0 ? weight×price : quantity×price；同步回写 purchase_order 汇总（Σ total_weight / actual_amount） |
-| `PUT /purchase/order/item/{id}/send` | `authorize: 'send'` | purchase.order.send | C5/C6：`is_sent=1, sent_at=now`；联动采购单状态——全量明细已发送→ALL_SENT，否则 PART_SENT |
-| `POST /purchase/order/{id}/allocate` | `authorize: 'allocate'` | purchase.order.allocate | **D3 核心**，`PurchaseAllocateService::allocate($purchase)`，见下 |
-| `GET /purchase/order/{id}/allocation` | `authorize: 'query'` | purchase.order.query | 分摊结果：按门店、按商品两个聚合维度返回 |
-
-**PurchaseGenerateService::generate 逻辑**（事务）：
-1. 查询 `order_date = $date` 且 `status = STATUS_PENDING` 的所有订单（无则报错「当日无待汇总订单」）
-2. 展开 items 按 `(product_id, supplier_id)` 聚合：Σquantity；快照 product_name / product_spec；**估算单价取该商品最低等级价**（product_price MIN），amount = quantity × 估算单价
-3. 创建 purchase_order：`purchase_no = BillNumberService::make('PO')`、purchase_date、estimate_amount = Σitems.amount、operator_id、status = STATUS_PENDING
-4. 创建 items（按 分类 sort → 商品 sort 排序写入 sort 字段）
-5. 批量回写源订单 `status = STATUS_SUMMARIZED`
-6. **幂等防护**：步骤 1 的筛选条件天然排除已汇总订单；同一秒并发用 DB 事务 + 订单行锁（`lockForUpdate`）防重
-
-**PurchaseAllocateService::allocate 逻辑**（事务）：
-1. 采购单须已录入实际金额（item.amount 已修改），否则拒绝
-2. 对每个采购明细，溯源当日该商品的所有订货明细（`store_order_item.product_id = item.product_id` 且订单 `order_date = purchase_date` 且已汇总）
-3. 按订货数量比例分摊实际金额：`allocation.amount = bcmul(item.amount, bcdiv(item_qty, total_qty, 6), 2)`；**尾差修正**——最后一个（或最大额）明细承担舍入差额，保证 `Σallocation.amount === item.amount`（金额守恒）
-4. 同步写入 quantity / weight（按比例）与 store_id / order_item_id
-5. 重复分摊：先删旧 allocation 再重建（幂等）
-
-### 4.5 对账域 `app/Http/Controllers/Recon/`
-
-**ReconciliationController** — `#[RequestAttribute('/recon/list', 'recon.list')]`；`$searchField = ['status' => '=', 'category_id' => '=', 'supplier_id' => '=', 'title' => 'like', 'period_start' => 'date']`
-
-| 路由 | 属性 | 权限点 | 说明 |
-|------|------|--------|------|
-| `GET /recon/list` | `authorize: 'query'` | recon.list.query | D1 品类 / D2 供应商筛选条件落在表字段上 |
-| `POST /recon/list` | `authorize: 'create'` | recon.list.create | ReconciliationFormRequest：title、period_start、period_end、category_id?、supplier_id?；recon_no = RC…，status=DRAFT |
-| `PUT /recon/list/{id}` | `authorize: 'update'` | recon.list.update | 编辑（仅 DRAFT/WORKING） |
-| `DELETE /recon/list/{id}` | `authorize: 'delete'` | recon.list.delete | 仅 DRAFT 可删，连带 items |
-| `POST /recon/list/{id}/build` | `authorize: 'build'` | recon.list.build | `ReconciliationBuildService::build($recon)`：按周期 + 品类 + 供应商拉取 purchase_order_item（含其 allocations），生成 reconciliation_item——published_amount=订货金额（溯源 order_item.amount）、actual_amount=分摊金额、diff=publish−actual，冗余 product_name、store_id；汇总写回头的 publish/actual/diff_amount；status→WORKING；可重复 build（先清后建） |
-| `PUT /recon/item/{id}` | `authorize: 'item.update'` | recon.item.item.update | D4 修改订货量/称重/数量/金额/商品信息，**自动重算本行 diff + 汇总头** |
-| `PUT /recon/item/{id}/toggle` | `authorize: 'item.update'` | recon.item.item.update | D8 `is_reconciled` 翻转 |
-| `PUT /recon/item/{id}/remark` | `authorize: 'item.update'` | recon.item.item.update | D6 单品级门店备注 `store_remark` |
-| `GET /recon/list/{id}/diff` | `authorize: 'query'` | recon.list.query | D5 差额对比视图：`{by_store: [{store_id, store_name, publish, actual, diff}], by_product: [...]}` + 合计行 |
-| `POST /recon/list/{id}/settle` | `authorize: 'settle'` | recon.list.settle | D9：按门店聚合 items 生成 settlement 记录（settlement_no = JS…、total/actual/diff），status→SETTLED；回框统计表规则待业务确认，本次仅预留结构 |
-
-**StatementController** — `/recon/statement`，`recon.statement`：`query`（with store，period 筛选）/ `GET {id}` 详情（后台视角，只读）
-
-**SettlementController** — `/recon/settlement`，`recon.settlement`
-
-| 路由 | 属性 | 权限点 | 说明 |
-|------|------|--------|------|
-| `GET /recon/settlement` | `authorize: 'query'` | recon.settlement.query | 列表 with('store','recon') |
-| `GET /recon/settlement/{id}` | `authorize: 'query'` | recon.settlement.query | 详情 |
-| `GET /recon/settlement/{id}/download` | `authorize: 'download'` | recon.settlement.download | D10 `?format=xlsx\|pdf`，`ExportService::download('settlement', ...)` 返回 blob；成功后回写 `file_path` 存档标记 |
-
----
-
-## 五、阶段四：小程序 API（app/Http/Controllers/Mini）
-
-> 类级统一 `#[RequestAttribute('/mini', 'mini', authGuard: 'users')]`；`abilities` 前缀 `mini`，登录接口 `authorize: false`，其余方法 `authorize: true`（只校验持有 `mini` ability，不做细粒度权限点）。
-> 门店端接口前置校验 `type = TYPE_STORE && store_id > 0`（抽公共 `ensureStoreBound()` 辅助方法）；供应商端同理。
-
-### 5.1 AuthController
-
-| 路由 | 属性 | 说明 |
-|------|------|------|
-| `POST /mini/auth/login` | `authorize: false` | `{code}` → code2Session → firstOrCreate(openid)（status 停用则拒绝）→ `createToken('mini', ['mini'])` → 返回 `{token, user: {id, nickname, avatar, type, store, supplier}}`，更新 last_login_at |
-| `POST /mini/auth/phone` | `authorize: true` | `{phoneCode}` → 换手机号绑定 phone → 按 phone 自动匹配门店/供应商（见 2.3）→ 返回更新后的 user |
-| `GET /mini/auth/info` | `authorize: true` | 当前用户 + 门店信息（含客户等级，全局价格体系依据）/ 供应商信息 |
-
-### 5.2 门店端
-
-| 路由 | 方法 | 说明 |
-|------|------|------|
-| `/mini/product/categories` | GET | 分类树（仅含上架商品的分类） |
-| `/mini/product/list` | GET | `?category_id=&keyword=&page=`；**价格 = product_price where level_id = 当前门店等级**；未绑等级门店返回错误提示 |
-| `/mini/order` | POST | MiniOrderRequest `{items: [{product_id, quantity}]}`；事务：逐行取等级价快照（name/spec/unit/price），**服务端重算 amount 与 total，不接受前端金额**；order_no = SO…，status = PENDING |
-| `/mini/order` | GET | 历史订单：当前 store_id 强制过滤，`?status=&page=` |
-| `/mini/order/{id}` | GET | 详情（校验归属） |
-| `/mini/order/{id}/cancel` | PUT | 仅 STATUS_PENDING 可取消 |
-| `/mini/order/summary` | GET | `?period=day\|week\|month`：按周期聚合金额/数量，返回分组列表 + 下钻明细接口参数 |
-| `/mini/statement` | GET | 对账单列表（当前门店） |
-| `/mini/statement/generate` | POST | `{period_start, period_end}`：`StatementGenerateService`——拉周期内订单明细，**快照当前 payment_cycle_days，settlement_date = period_end + cycle 天**；statement_no = ST… |
-| `/mini/statement/{id}` | GET | 详情（含单品对账状态标识） |
-| `/mini/statement/{id}/export` | GET | `?format=xlsx\|pdf`，`ExportService::download('statement', ...)`（blob） |
-| `/mini/store/info` | GET | 门店详情（编辑回显；name/code/payment_cycle_days 只读） |
-| `/mini/store/info` | PUT | 修改门店信息：仅 `{contact, phone, address}` 白名单更新；回款周期由后台维护 |
-| `/mini/notice` | GET | 本人通知 + 全员广播（`user_id in [0, 当前id]`），分页 + `unread_count` |
-| `/mini/notice/{id}/read` | PUT | 标记已读 + read_at |
-
-### 5.3 供应商端
-
-| 路由 | 方法 | 说明 |
-|------|------|------|
-| `/mini/supplier/purchases` | GET | 收到的采购单：含本供应商 `is_sent=1` 明细的采购单（去重） |
-| `/mini/supplier/purchases/{id}` | GET | 明细：**仅本供应商的明细行** |
-| `/mini/supplier/purchases/{id}/confirm` | PUT | 确认接单（确认态记录方式见「待确认 #7」） |
-
----
-
-## 六、阶段五：PC 前端页面 + 菜单（硬编码中文，无 i18n）
-
-### 6.1 页面清单（web/pages/，全部硬编码中文文案）
-
-> XinTable 标准 CRUD 只需 `api` + `accessName` + `columns` + `rowKey` 四个 props，增删改查请求自动封装，按钮自动套 `<AuthButton>`。
-
-| 页面 | 组件形态 | 关键点 |
-|------|----------|--------|
-| `product/category.tsx` | XinTable 树表 | `api="/product/category"`，columns：name / sort / status(Tag) / 操作；表单 parent_id 用 treeSelect 拉 `/product/category/tree` |
-| `product/goods.tsx` | XinTable + ModalForm + 两个抽屉 | columns：name / spec / grade / unit / category(render 名) / supplier / status(Switch 样式 Tag) / sort；表单内嵌 `Form.List` 按等级动态价格行（等级选项拉 `/customer/level/options`）；工具栏自定义按钮「价格矩阵」（抽屉：行商品 × 列等级可编辑 → 调 batchPrice） |
-| `customer/level.tsx` | XinTable | name / sort / status / remark |
-| `customer/store.tsx` | XinTable | name / code / level(select 拉 options) / contact / phone / payment_cycle_days(InputNumber) / status |
-| `customer/supplier.tsx` | XinTable | name / contact / phone / main_products / status |
-| `customer/mini-user.tsx` | XinTable + 绑定 Modal | 列：nickname / phone / type(Tag) / store 或 supplier 名 / status / last_login_at；行内「绑定」按钮弹 Modal：type 单选 + 门店/供应商 select 联动 → `bindMiniUser()`；「停用/启用」→ `toggleMiniUserStatus()` |
-| `customer/notice.tsx` | XinTable | title / type(Tag) / user（0 显示「全员」）/ is_read / created_at；表单 user_id 留空=广播 |
-| `order/store.tsx` | XinTable + 详情 Drawer | 列：order_no / store / order_date / total_amount / status(Tag 按常量映射)；搜索栏 store 下拉 + 日期范围 + 状态；行内「详情」抽屉展示 items 表格 + 状态流转按钮（按当前状态显示可用操作） |
-| `purchase/order.tsx` | XinTable + 生成 Modal + 详情 Drawer | 工具栏「生成采购单」按钮（日期选择 → `generatePurchase()`）；详情抽屉 Tab：明细（行内编辑 weight/price → `updatePurchaseItem()`、发送按钮 → `sendPurchaseItem()`）/ 分摊（「执行分摊」按钮 → `allocatePurchase()`，结果表）；头部「导出」下拉：全品类 / 蔬果分类 × Excel / PDF 四个选项 → `exportPurchase(id, type, format)` |
-| `recon/list.tsx` | XinTable + 对账工作台 Drawer | 列表 + 「生成明细」按钮（`buildRecon()`）；工作台抽屉 Tab：明细编辑（D4 行内编辑 → `updateReconItem()`、D6 备注 → `remarkReconItem()`、D8 对账标记开关 → `toggleReconItem()`）/ 差额对比（`getReconDiff()` 双维度表）；「生成结算表」按钮（`settleRecon()`） |
-| `recon/statement.tsx` | XinTable | statement_no / store / period / total_amount / settlement_date / status；详情抽屉只读 |
-| `recon/settlement.tsx` | XinTable | settlement_no / store / total / actual / diff / status；行内「下载」下拉（Excel / PDF）→ `downloadSettlement(id, format)` |
-
-### 6.2 前端 API 封装（web/api/，仅封装 XinTable 默认 REST 之外的自定义接口）
-
-> XinTable 依据 `api` prop 自动完成列表/增/改/删四个标准请求，**标准 CRUD 无需手写封装**。以下只列自定义动作：
-
-| 文件 | 函数 | 请求 |
-|------|------|------|
-| `api/customer/level.ts` | `getLevelOptions()` | GET `/customer/level/options` |
-| `api/customer/store.ts` | `getStoreOptions()` | GET `/customer/store/options` |
-| `api/customer/supplier.ts` | `getSupplierOptions()` | GET `/customer/supplier/options` |
-| `api/customer/miniUser.ts` | `bindMiniUser(id, {type, store_id?, supplier_id?})` / `toggleMiniUserStatus(id, status)` | PUT `/customer/miniUser/{id}/bind`、`/status` |
-| `api/product/category.ts` | `getCategoryTree()` | GET `/product/category/tree` |
-| `api/product/goods.ts` | `getPriceMatrix(params)` / `batchPrice({updates})` / `getProductOptions()` | GET `/product/goods/priceMatrix`、PUT `/product/goods/batchPrice`、GET `/product/goods/options` |
-| `api/order/store.ts` | `getStoreOrder(id)` / `updateOrderStatus(id, status)` / `getOrderSummary(params)` | GET `/order/store/{id}`、PUT `/order/store/{id}/status`、GET `/order/store/summary` |
-| `api/purchase/order.ts` | `generatePurchase({purchase_date})` / `exportPurchase(id, type, format)` / `updatePurchaseItem(id, data)` / `sendPurchaseItem(id)` / `allocatePurchase(id)` / `getAllocation(id)` | POST `/purchase/order/generate`、GET `/purchase/order/{id}/export?type=&format=xlsx\|pdf`（blob）、PUT `/purchase/order/item/{id}`、PUT `/purchase/order/item/{id}/send`、POST `/purchase/order/{id}/allocate`、GET `/purchase/order/{id}/allocation` |
-| `api/recon/list.ts` | `buildRecon(id)` / `updateReconItem(id, data)` / `toggleReconItem(id)` / `remarkReconItem(id, remark)` / `getReconDiff(id)` / `settleRecon(id)` | POST `/recon/list/{id}/build`、PUT `/recon/item/{id}`、`/toggle`、`/remark`、GET `/recon/list/{id}/diff`、POST `/recon/list/{id}/settle` |
-| `api/recon/settlement.ts` | `downloadSettlement(id, format)` | GET `/recon/settlement/{id}/download?format=xlsx\|pdf`（blob） |
-| `api/common/download.ts` | `downloadBlob(url, params, fallbackName)` | 公共下载工具：封装 blob 请求 + 触发保存（见下载约定），各导出函数复用它 |
-
-**下载约定**：`api/common/download.ts` 统一实现——`createAxios({ url, method: 'get', params, responseType: 'blob' })`；**blob 错误兜底**（响应是 JSON 错误而非文件时，`blob.text()` 解析出 `msg` 走 antd message 提示）；成功后 `URL.createObjectURL` + `<a download>` 触发保存，文件名优先解析响应头 `Content-Disposition`（`filename*=UTF-8''` RFC 5987 解码），兜底用调用方传入的 `fallbackName`（单号拼接）。
-
-### 6.3 Domain 类型（web/domain/）
-
-`iCustomerLevel.ts`、`iStore.ts`、`iSupplier.ts`、`iMiniUser.ts`、`iNotice.ts`、`iProduct.ts`（含 `prices: {level_id, price}[]`）、`iProductCategory.ts`、`iStoreOrder.ts`（含 items）、`iPurchaseOrder.ts`（含 items / allocations）、`iReconciliation.ts`（含 items / diff 视图类型）、`iStatement.ts`、`iSettlement.ts` —— 与后端返回结构一一对应，状态字段导出 `const STATUS_MAP` 常量供 render 使用。
-
-### 6.4 菜单权限 Seeder（database/seeders/ProcurementSeeder.php）
-
-沿用 `SysUserSeeder` 的嵌套创建结构（父 menu → 子 route → 孙 rule）。**`local` 字段一律留空，`name` 直接写中文**（layout 自动回退显示 name）：
-
-```
-商品中心（menu, icon: ShoppingOutlined）
-├── 分类管理（route, key: product.category, path: /product/category）
-│   └── rule: query / create / update / delete
-└── 商品列表（route, key: product.goods, path: /product/goods）
-    └── rule: query / create / update / delete / batchPrice
-客户管理（menu, icon: ShopOutlined）
-├── 门店管理（customer.store → /customer/store）: query / create / update / delete
-├── 客户等级（customer.level → /customer/level）: query / create / update / delete
-├── 供应商（customer.supplier → /customer/supplier）: query / create / update / delete
-├── 小程序用户（customer.miniUser → /customer/mini-user）: query / update / bind
-└── 通知管理（customer.notice → /customer/notice）: query / create / delete
-订货管理（menu）
-└── 门店订单（order.store → /order/store）: query / update
-采购管理（menu）
-└── 采购单（purchase.order → /purchase/order）: query / update / generate / export / send / allocate
-对账管理（menu）
-├── 财务对账（recon.list → /recon/list）: query / create / update / delete / build / item.update / settle
-├── 门店对账单（recon.statement → /recon/statement）: query
-└── 结算表（recon.settlement → /recon/settlement）: query / download
-```
-
-执行：`php artisan db:seed --class=ProcurementSeeder`（种子内对 admin 角色自动授权）。
-
----
-
-## 七、阶段六：测试（PHPUnit Feature Tests，tests/Feature/）
-
-| 测试 | 覆盖点 |
-|------|--------|
-| ProductPriceTest | 等级价格匹配、批量调价事务、调价通知生成 |
-| StoreOrderTest | 下单快照等级价、服务端重算总价（前端传金额被忽略）、取消限制、门店数据隔离 |
-| PurchaseGenerateTest | 多门店订单聚合正确性、订单状态回写、无订单/重复生成防护 |
-| AllocationTest | **金额守恒**（Σallocation.amount === item.actual_amount 含尾差修正）、按订货比例正确性、幂等重跑 |
-| ReconciliationTest | 明细构建（品类/供应商筛选）、D4 修改后差额与头汇总重算、D8 状态标记 |
-| StatementTest | 回款周期快照 → settlement_date = period_end + cycle 计算、门店仅能生成/查看自身对账单 |
-| MiniAuthTest | code2Session mock → 签发 token、手机号绑定自动匹配门店、停用账号拒绝登录、后台 token 访问 /mini 被拦截（跨端隔离） |
-| ExportTest | 采购单导出 xlsx 返回正确 Content-Type 且蔬果分类过滤生效、PDF 返回 `application/pdf`、中文文件名响应头 RFC 5987 编码、format 参数非法时报错、无权限点拦截 |
-
-用工厂造数；微信 HTTP 调用在 WechatService 中抽接口方法，测试里 mock/fake Http facade。
-
----
-
-## 八、核心业务数据流
-
-```
-门店下单（store_order / _item，快照等级价，status=0待汇总）
-  └─► 采购员生成采购单（purchase_order / _item，按商品+供应商聚合，估算单价=最低等级价）
-        │   └─ 门店订单 status=1已汇总
-        ├─► 发送供应商（item.is_sent=1 + sent_at，采购单状态 PART/ALL_SENT）
-        ├─► 实际采购录入（item.weight / price → amount 后端重算 → 头 actual_amount）
-        └─► 金额分摊（purchase_allocation：按订货比例摊到门店/单品，尾差修正守恒）
-              └─► 财务对账（reconciliation / _item：公布 vs 实际 vs 差额，可修改/备注/标记）
-                    └─► 结算表（settlement，导出存档）
-门店侧：statement / _item 按周期自助生成（快照回款周期 → settlement_date），可导出
-```
-
-**金额守恒校验点**：采购单 Σitem.amount = actual_amount；分摊 Σallocation.amount = item.amount；对账 diff = publish − actual。
-
----
-
-## 九、待确认 / 需批准事项
-
-| # | 事项 | 影响 |
-|---|------|------|
-| ~~1~~ | ✅ **已解决**：`maatwebsite/excel` ^3.1 已安装（2026-07-23） | C2/C3/D10/对账单导出 |
-| 2 | 微信小程序 AppID/Secret（`WECHAT_MINI_APPID` / `WECHAT_MINI_SECRET`） | 微信登录、手机号授权 |
-| 3 | D7 特殊业务（周转柜/周转托盘/调货/售后/物流）及「回框统计表」规则 | 数据库需补充表，暂预留 |
-| ~~4~~ | ✅ **已解决**：`barryvdh/laravel-dompdf` ^3.1 已安装，SimHei 中文字体已注册并验证中文 PDF 生成；Excel/PDF 双格式全支持 | 对账单/结算表导出格式 |
-| 5 | 采购单「微信快捷发送供应商」确认形态：后台导出文件人工转发 vs 小程序订阅消息推送 | C5 实现方式（当前计划：后台标记 + 供应商小程序拉取） |
-| 6 | 新用户注册后绑定门店的策略：当前为「手机号自动匹配，不中则 type=0 待后台人工绑定」——是否认可 | 小程序登录流程 |
-| 7 | **供应商确认接单的状态落库**：`purchase_order_item` 暂无确认字段，需批准给该表补 `supplier_confirmed_at timestamp nullable`（或暂记 remark） | 供应商端确认接口 |
-| 8 | SimHei 字体随仓库分发（`resources/fonts/simhei.ttf`，9.7MB）——授权上可替换为开源字体（如思源黑体 SourceHanSansSC-Regular.otf，需验证 DomPDF 对 OTF 的支持） | PDF 字体合规 |
-
----
-
-## 十、实施顺序与工作量预估
-
-| 顺序 | 内容 | 预估 |
-|------|------|------|
-| 1 | 阶段二 模型层（app/Models 18 个模型 + 工厂 + 两个 Service 骨架） | 0.5 天 |
-| 2 | 阶段三 后台 API（Customer → Product → Order → Purchase → Recon，每域完成后顺手写对应 Feature Test） | 4 天 |
-| 3 | 阶段四 小程序 API（含 WechatService 与登录） | 2 天 |
-| 4 | 阶段五 前端页面（12 页）+ api/domain 封装 + 菜单 Seeder | 3.5 天（去掉 i18n 后缩减 0.5 天） |
-| 5 | 阶段六 测试补齐与联调 | 1.5 天 |
-
-每完成一个后端域即联调对应前端页面。
diff --git a/项目需求规划书.md b/项目需求规划书.md
deleted file mode 100644
index 8b00d43..0000000
--- a/项目需求规划书.md
+++ /dev/null
@@ -1,106 +0,0 @@
-项目需求规划书
-项目名称：订货采购系统
-前端形态：微信小程序（门店端/客户端）
-文档版本：V1.0
-编制日期：2026年7月
-一、项目概述
-1.1 项目背景
-本项目旨在为生鲜配送企业打造一套覆盖“采购→订货→配送→对账”全链路的数字化管理系统。前端采用微信小程序形态，服务于门店端下单与客户端对账两大核心场景，后端配合PC管理后台完成商品、采购、对账等复杂管理操作。
-1.2 项目目标
-a.实现门店通过小程序在线下单，系统自动匹配客户等级价格
-b.打通门店订单与采购单的自动汇总生成链路
-c.建立供应商在线协同机制（采购单发送、对账确认）
-d.实现财务对账数字化，支持按品类/供应商筛选、差额对比、结算表生成
-e.支持门店在客户端自助生成对账单并导出
-1.3 用户角色与使用场景
-角色	使用端	核心场景
-门店/客户	小程序客户端	在线下单、查看价格、查看对账单
-采购员	PC后台	生成采购单、修改采购数据、发送供应商
-财务/对账员	PC后台	对账管理、差额对比、结算表生成
-供应商	微信小程序	接收采购单、确认订单
-系统管理员	PC后台	商品管理、价格策略、权限配置
-二、小程序端功能规划
-2.1 门店端小程序（核心订货场景）
-门店通过小程序浏览商品、下单，展示字段：品名、单价、订货量、重量、单品金额、总金额。
-功能点	说明
-商品列表浏览	按分类展示可订购商品，支持搜索/筛选
-加入订货车	选择商品、填写订货量/重量，加入购物车式订货单
-订货单确认	展示完整订货明细（品名/单价/订货量/重量/单品金额），确认后提交
-历史订单查看	查看历史订货记录及状态
-根据登录门店的客户等级，自动匹配并显示对应单价。价格数据由后台商品中心的价格体系驱动。
-功能点	说明
-客户等级识别	登录时获取门店等级，全局生效
-价格自动匹配	商品列表和订货车中按等级展示单价
-价格变更提示	后台调价后，门店端下次登录同步更新
-门店可查看自身各时期的订货金额汇总。
-功能点	说明
-门店订货汇总	按日/周/月查看本店订货总金额
-明细下钻	点击汇总金额可查看对应订单明细
-门店可在客户端生成自己的对账单，支持导出。
-功能点	说明
-对账单查看	按时间段生成对账单，展示订货明细、金额
-对账单导出	支持导出为Excel或PDF格式
-对账状态标识	显示每个单品/订单的对账状态（已对账/未对账）
-门店可自行修改回款周期（0天/1天/2天……无限制），影响对账单中的结算日期计算。
-功能点	说明
-回款周期配置	门店在个人设置中选择回款周期选项
-结算日期自动计算	对账单根据回款周期生成应结算日期
-
-2.2 小程序端基础功能
-功能点	说明
-微信授权登录	通过微信手机号授权登录，自动识别门店身份
-权限控制	不同门店仅可见自身数据
-消息通知	订单状态变更、价格调整等通知推送
-三、PC后台管理端功能规划（概要）
-3.1 商品中心（A1-A3）
-A1 商品档案管理：增删改查商品，字段包含品名、规格/包规、供应商、等级、价格体系（多等级客户价）
-A2 价格策略：同一商品对不同客户等级显示不同单价，支持批量调价
-A3 分类管理：支持多级分类（蔬菜/水果/其他），子分类排序
-3.2 采购管理（C1-C6）
-C1 采购单生成：基于所有门店订单汇总生成，支持按样板格式导出
-C2 全品类导出：按子分类排序，所有列可筛选/排序/恢复初始排序
-C3 蔬果单独导出：按品类拆分开出
-C4 采购单修改：采购环节可直接修改商品信息及门店订单数据
-C5 采购单发送供应商：通过微信快捷发送（文件分享/小程序转发/链接）
-C6 发送状态标记：标记每个单品是否已发送供应商
-3.3 对账管理（D1-D10）
-D1 按品类对账：蔬菜/水果分开对账
-D2 按供应商筛选对账：只查看特定供应商的单据
-D3 采购金额自动分配：系统计算分摊到各门店/各单品
-D4 对账数据修改：支持修改订货量、称重数据、数量、金额及商品信息
-D5 差额对比：显示实际采购金额、公布金额、差额
-D6 单品级门店备注：每个单品可针对每个门店单独添加备注
-D7 特殊业务处理：周转柜、周转托盘、调货、售后、物流（需业务侧确定功能具体需求）
-D8 对账状态标记：标记每个单品已对账/未对账
-D9 结算表生成：对账结束后生成结算表、回框统计表
-D10 下载存档：支持文件下载（Excel/PDF）
-3.4 公共/基础（F1-F3）
-F1 登录/权限/用户管理：后台管理系统基础
-F2 前后端接口联调：门店端、客户端接口对接
-F3 页面：前端UI页面整体搭建
-四、其它功能
-1.采购流转：客户在小程序（客户平台）注册后，在小程序下单采购订单。
-2.订单流转：供应商在微信小程序（供应商平台）注册后，由采购员生成具体的采购单，发送给供应商。
-3.周转柜：待补充
-4.周转托盘：待补充
-5.调货：待补充
-6.售后：待补充
-7.物流：待补充
-8.导出格式：待补充
-五、开发阶段规划
-阶段一：需求确认与原型设计（5天）
-1、确认全部功能需求细节（特别是D7特殊业务处理需业务方明确规则）
-2、完成小程序端原型图设计（门店端订货流程、客户端对账流程）
-
-阶段二：小程序端开发（10天）
-1、门店端小程序：商品浏览、订货车、下单、历史订单
-2、客户端小程序：对账单查看、导出、回款周期设置
-3、登录与权限体系
-4、前后端接口联调
-
-阶段三：PC后台开发（10天）
-1、商品中心模块
-2、采购管理模块（含发送供应商）
-3、对账管理模块（含结算表生成、下载存档）
-4、权限管理系统
-5、导出功能，支持Excel格式导出