fix: 盘点功能补货员权限问题

- 新增POST /replenisher/stock/adjust补货员专用盘点接口
- 验证设备绑定关系，无需admin权限
- 小程序adjustStock改为调用补货员接口

Co-Authored-By: Claude <noreply@anthropic.com>

haha-admin-mp/src/api/inventory.ts

@@ -86,7 +86,7 @@ export async function increaseStock(data: {
 }
 
 /**
- * 调整库存（盘点修正，直接设置库存为指定值）
+ * 补货员盘点修正库存（调用补货员专用接口，无需admin权限）
  */
 export async function adjustStock(data: {
   deviceId: string;
@@ -94,5 +94,5 @@ export async function adjustStock(data: {
   newStock: number;
   remark?: string;
 }): Promise<any> {
-  return post('/inventory/adjust', data);
+  return post('/replenisher/stock/adjust', data);
 }

haha-admin/src/main/java/com/haha/admin/controller/ReplenisherOperationController.java

@@ -442,6 +442,37 @@ public class ReplenisherOperationController {
         return Result.success(String.format("补货完成，成功%d项，失败%d项", successCount, dto.getItems().size() - successCount), result);
     }
 
+    /**
+     * 补货员盘点修正库存
+     * 直接设置指定商品的库存为 newStock
+     */
+    @PostMapping("/stock/adjust")
+    public Result<DeviceInventory> adjustStock(@RequestBody Map<String, Object> body) {
+        Replenisher replenisher = getCurrentReplenisher();
+
+        String deviceId = (String) body.get("deviceId");
+        Number productIdNum = (Number) body.get("productId");
+        Number newStockNum = (Number) body.get("newStock");
+        String remark = (String) body.getOrDefault("remark", "补货员盘点修正");
+
+        if (deviceId == null || productIdNum == null || newStockNum == null) {
+            return Result.error(400, "deviceId, productId, newStock 不能为空");
+        }
+
+        if (!canAccessDevice(deviceId)) {
+            return Result.error(403, "您无权对此设备进行操作");
+        }
+
+        Long productId = productIdNum.longValue();
+        int newStock = newStockNum.intValue();
+
+        DeviceInventory inventory = deviceInventoryService.adjustStock(
+                deviceId, productId, newStock, remark,
+                replenisher.getId(), replenisher.getName());
+
+        return Result.success("库存修正成功", inventory);
+    }
+
     /**
      * 获取补货员关联的补货单列表
      */