feat: location field scope

--story=1020776@tapd-34675357 --user=陈建星 【系统】期望地区选择框支持配置第一层只显示国内省份，方便快速选择 https://www.tapd.cn/34675357/s/1884028

Author: AgAngle

backend/crm/src/main/java/cn/cordys/crm/system/constants/LocationScope.java

@@ -0,0 +1,16 @@
+package cn.cordys.crm.system.constants;
+
+/**
+ * @Author: jianxing
+ * @CreateTime: 2026-03-31  14:00
+ */
+public enum LocationScope {
+    /**
+     * 全部
+     */
+    ALL,
+    /**
+     * 中国（包含港澳台）
+     */
+    CN
+}

backend/crm/src/main/java/cn/cordys/crm/system/dto/field/LocationField.java

@@ -1,5 +1,7 @@
 package cn.cordys.crm.system.dto.field;
 
+import cn.cordys.common.constants.EnumValue;
+import cn.cordys.crm.system.constants.LocationScope;
 import cn.cordys.crm.system.dto.field.base.BaseField;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -11,6 +13,10 @@
 @EqualsAndHashCode(callSuper = true)
 public class LocationField extends BaseField {
 
+    @Schema(description = "地址范围")
+    @EnumValue(enumClass = LocationScope.class)
+    private String scope;
+
     @Schema(description = "地址类型|格式")
     private String locationType;
 }