chore(cleanup): 移除三角洲改枪码模块全套代码

- 删除 DeltaGunCodeController/Entity/Mapper/Service/Impl 与建表脚本
- WebSecurityConfig 移除 /delta-gun-code/** 白名单
- 配套数据库清理（已执行）：菜单 1000/1001/1002、角色关联 3 行、
  delta_gun_code 表；备份在服务器 /opt/freedom/backup/*-20261020.sql
- 项目保留范围：系统管理 + 待办清单（含公开看板）

src/main/java/com/freedom/admin/config/WebSecurityConfig.java

@@ -76,11 +76,6 @@ public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
                 .authorizeRequests()// 验证码允许匿名访问
                     .antMatchers("/email-sender/sendEmailVerificationCode","/sys-user/register")
                     .anonymous()
-                    // 三角洲改枪码：公开复制接口无需登录，后台管理接口需登录
-                    .antMatchers("/delta-gun-code/public/**")
-                    .permitAll()
-                    .antMatchers("/delta-gun-code/**")
-                    .authenticated()
                     // 待办清单：多人数据隔离，必须登录后访问
                     .antMatchers("/todo/**")
                     .authenticated()

src/main/java/com/freedom/admin/controller/DeltaGunCodeController.java

@@ -1,145 +0,0 @@
-package com.freedom.admin.controller;
-
-import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
-import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
-import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
-import com.freedom.admin.base.BaseController;
-import com.freedom.admin.common.Result;
-import com.freedom.admin.entity.DeltaGunCode;
-import com.freedom.admin.service.DeltaGunCodeService;
-import lombok.extern.log4j.Log4j2;
-import org.apache.commons.lang3.StringUtils;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
-
-import java.util.Date;
-import java.util.List;
-
-/**
- * 控制层-三角洲改枪码表
- *
- * @author zhangjiaxun
- * @description 后台维护改枪码 + 公开复制接口（无需登录）
- */
-@RestController
-@RequestMapping("delta-gun-code")
-@Log4j2
-public class DeltaGunCodeController extends BaseController {
-
-    @Autowired
-    private DeltaGunCodeService deltaGunCodeService;
-
-    /**
-     * 后台管理-分页查询改枪码列表
-     */
-    @RequestMapping("findPageList")
-    public Result<DeltaGunCode> findPageList(long pageNum, long pageSize, DeltaGunCode deltaGunCode) {
-        QueryWrapper<DeltaGunCode> queryWrapper = new QueryWrapper<>();
-        queryWrapper.eq("del_flag", 0);
-        queryWrapper.like(StringUtils.isNotBlank(deltaGunCode.getName()), "name", deltaGunCode.getName());
-        queryWrapper.like(StringUtils.isNotBlank(deltaGunCode.getGunName()), "gun_name", deltaGunCode.getGunName());
-        queryWrapper.like(StringUtils.isNotBlank(deltaGunCode.getCategory()), "category", deltaGunCode.getCategory());
-        queryWrapper.eq(deltaGunCode.getStatus() != null, "status", deltaGunCode.getStatus());
-        queryWrapper.orderByAsc("sort").orderByDesc("id");
-        Page<DeltaGunCode> page = deltaGunCodeService.page(new Page<>(pageNum, pageSize), queryWrapper);
-        return Result.ok().setData(page);
-    }
-
-    /**
-     * 公开页面-查询所有启用的改枪码（无需登录）
-     */
-    @RequestMapping("public/list")
-    public Result<DeltaGunCode> publicList() {
-        QueryWrapper<DeltaGunCode> queryWrapper = new QueryWrapper<>();
-        queryWrapper.eq("del_flag", 0);
-        queryWrapper.eq("status", 1);
-        queryWrapper.orderByAsc("sort").orderByDesc("id");
-        List<DeltaGunCode> list = deltaGunCodeService.list(queryWrapper);
-        return Result.ok().setData(list);
-    }
-
-    /**
-     * 公开页面-复制成功后增加复制次数（无需登录）
-     */
-    @RequestMapping("public/addCopyCount")
-    public Result addCopyCount(Long id) {
-        if (id == null) {
-            return Result.error().message("参数缺失");
-        }
-        UpdateWrapper<DeltaGunCode> updateWrapper = new UpdateWrapper<>();
-        updateWrapper.eq("id", id).eq("del_flag", 0)
-                .setSql("copy_count = copy_count + 1");
-        deltaGunCodeService.update(updateWrapper);
-        return Result.ok();
-    }
-
-    /**
-     * 后台管理-新增改枪码
-     */
-    @RequestMapping("add")
-    public Result add(DeltaGunCode deltaGunCode) {
-        if (StringUtils.isBlank(deltaGunCode.getName())) {
-            return Result.error().message("配装名称不能为空");
-        }
-        if (StringUtils.isBlank(deltaGunCode.getCode())) {
-            return Result.error().message("改枪码不能为空");
-        }
-        try {
-            if (deltaGunCode.getStatus() == null) {
-                deltaGunCode.setStatus(1);
-            }
-            if (deltaGunCode.getSort() == null) {
-                deltaGunCode.setSort(0);
-            }
-            deltaGunCode.setCopyCount(0);
-            deltaGunCode.setCreateBy(getUsername());
-            deltaGunCode.setCreateDate(new Date());
-            boolean save = deltaGunCodeService.save(deltaGunCode);
-            return Result.ok().setData(save);
-        } catch (Exception e) {
-            log.error("新增改枪码失败", e);
-            return Result.error().message("新增失败");
-        }
-    }
-
-    /**
-     * 后台管理-更新改枪码
-     */
-    @RequestMapping("update")
-    public Result update(DeltaGunCode deltaGunCode) {
-        if (deltaGunCode.getId() == null) {
-            return Result.error().message("参数缺失");
-        }
-        if (StringUtils.isBlank(deltaGunCode.getName())) {
-            return Result.error().message("配装名称不能为空");
-        }
-        if (StringUtils.isBlank(deltaGunCode.getCode())) {
-            return Result.error().message("改枪码不能为空");
-        }
-        try {
-            deltaGunCode.setUpdateBy(getUsername());
-            deltaGunCode.setUpdateDate(new Date());
-            boolean update = deltaGunCodeService.updateById(deltaGunCode);
-            return Result.ok().setData(update);
-        } catch (Exception e) {
-            log.error("更新改枪码失败", e);
-            return Result.error().message("更新失败");
-        }
-    }
-
-    /**
-     * 后台管理-删除改枪码（逻辑删除）
-     */
-    @RequestMapping("remove")
-    public Result remove(DeltaGunCode deltaGunCode) {
-        try {
-            boolean remove = deltaGunCodeService.removeById(deltaGunCode.getId());
-            return Result.ok().setData(remove);
-        } catch (Exception e) {
-            log.error("删除改枪码失败", e);
-            return Result.error().message("删除失败");
-        }
-    }
-
-}

src/main/java/com/freedom/admin/entity/DeltaGunCode.java

@@ -1,94 +0,0 @@
-package com.freedom.admin.entity;
-
-import com.baomidou.mybatisplus.annotation.IdType;
-import com.baomidou.mybatisplus.annotation.TableId;
-import com.baomidou.mybatisplus.annotation.TableName;
-import lombok.Data;
-
-import java.io.Serializable;
-import java.util.Date;
-
-/**
- * delta_gun_code
- * 三角洲行动-改枪码
- *
- * @author zhangjiaxun
- */
-@Data
-@TableName("delta_gun_code")
-public class DeltaGunCode implements Serializable {
-
-    private static final long serialVersionUID = 1L;
-
-    /**
-     * 主键
-     */
-    @TableId(type = IdType.AUTO)
-    private Long id;
-
-    /**
-     * 配装名称
-     */
-    private String name;
-
-    /**
-     * 枪械/载具名称
-     */
-    private String gunName;
-
-    /**
-     * 分类标签（如：主武器/副武器/载具配置）
-     */
-    private String category;
-
-    /**
-     * 改枪码内容
-     */
-    private String code;
-
-    /**
-     * 备注说明
-     */
-    private String remark;
-
-    /**
-     * 排序
-     */
-    private Integer sort;
-
-    /**
-     * 状态：1显示 0隐藏
-     */
-    private Integer status;
-
-    /**
-     * 被复制次数
-     */
-    private Integer copyCount;
-
-    /**
-     * 创建者
-     */
-    private String createBy;
-
-    /**
-     * 创建时间
-     */
-    private Date createDate;
-
-    /**
-     * 更新者
-     */
-    private String updateBy;
-
-    /**
-     * 更新时间
-     */
-    private Date updateDate;
-
-    /**
-     * 删除标记
-     */
-    private Boolean delFlag;
-
-}

src/main/java/com/freedom/admin/mapper/DeltaGunCodeMapper.java

@@ -1,13 +0,0 @@
-package com.freedom.admin.mapper;
-
-import com.baomidou.mybatisplus.core.mapper.BaseMapper;
-import com.freedom.admin.entity.DeltaGunCode;
-
-/**
- * 数据访问层-三角洲改枪码表
- *
- * @author zhangjiaxun
- */
-public interface DeltaGunCodeMapper extends BaseMapper<DeltaGunCode> {
-
-}

src/main/java/com/freedom/admin/service/DeltaGunCodeService.java

@@ -1,13 +0,0 @@
-package com.freedom.admin.service;
-
-import com.baomidou.mybatisplus.extension.service.IService;
-import com.freedom.admin.entity.DeltaGunCode;
-
-/**
- * 业务层-三角洲改枪码表
- *
- * @author zhangjiaxun
- */
-public interface DeltaGunCodeService extends IService<DeltaGunCode> {
-
-}

src/main/java/com/freedom/admin/service/impl/DeltaGunCodeServiceImpl.java

@@ -1,19 +0,0 @@
-package com.freedom.admin.service.impl;
-
-import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
-import com.freedom.admin.entity.DeltaGunCode;
-import com.freedom.admin.mapper.DeltaGunCodeMapper;
-import com.freedom.admin.service.DeltaGunCodeService;
-import lombok.extern.log4j.Log4j2;
-import org.springframework.stereotype.Service;
-
-/**
- * 业务层实现-三角洲改枪码表
- *
- * @author zhangjiaxun
- */
-@Service
-@Log4j2
-public class DeltaGunCodeServiceImpl extends ServiceImpl<DeltaGunCodeMapper, DeltaGunCode> implements DeltaGunCodeService {
-
-}