修复成本问题

klp-wms/src/main/java/com/klp/controller/WmsCostCoilDailyController.java

@@ -204,6 +204,22 @@ public class WmsCostCoilDailyController extends BaseController {
         return R.ok(result);
     }
 
+    /**
+     * 按当前钢卷号维度计算成本（单卷详情）
+     *
+     * @param currentCoilNo 当前钢卷号
+     * @param calcDate      计算日期（可选，默认当前日期）
+     */
+    @PostMapping("/calculateByCurrentCoilNo")
+    public R<Map<String, Object>> calculateCostByCurrentCoilNo(@RequestParam String currentCoilNo,
+                                                                @RequestParam(required = false) @DateTimeFormat(pattern = "yyyy-MM-dd") LocalDate calcDate) {
+        Map<String, Object> result = iWmsCostCoilDailyService.calculateCostByCurrentCoilNo(currentCoilNo, calcDate);
+        if (result.containsKey("error")) {
+            return R.fail(result.get("error").toString());
+        }
+        return R.ok(result);
+    }
+
     /**
      * 现算成本检索（基于 wms_material_coil）
      */