feat&fix: 完善半成品/序列号闭环流转逻辑

1. 调整物料编码字段为可空，优化注释说明
2. 修复Vite构建自动清空产物目录冲突问题
3. 优化前端提示文案与表单占位符
4. 为各前端项目添加内联SVG图标
5. 重构MES半成品流转逻辑，不再静默吞掉WMS错误并记录日志
6. 生成并添加空的WMS客户端静态文件
7. 完善Ent ORM模型的空值支持与查询谓词
8. 优化半成品入库接口，支持doneProcessCodes数组格式，新增SN反查物料编码逻辑
9. 更新帮助文档与操作手册

bj_power_wms/ent/semifinished/where.go

@@ -218,6 +218,16 @@ func MaterialCodeHasSuffix(v string) predicate.SemiFinished {
 	return predicate.SemiFinished(sql.FieldHasSuffix(FieldMaterialCode, v))
 }
 
+// MaterialCodeIsNil applies the IsNil predicate on the "material_code" field.
+func MaterialCodeIsNil() predicate.SemiFinished {
+	return predicate.SemiFinished(sql.FieldIsNull(FieldMaterialCode))
+}
+
+// MaterialCodeNotNil applies the NotNil predicate on the "material_code" field.
+func MaterialCodeNotNil() predicate.SemiFinished {
+	return predicate.SemiFinished(sql.FieldNotNull(FieldMaterialCode))
+}
+
 // MaterialCodeEqualFold applies the EqualFold predicate on the "material_code" field.
 func MaterialCodeEqualFold(v string) predicate.SemiFinished {
 	return predicate.SemiFinished(sql.FieldEqualFold(FieldMaterialCode, v))