Refactor(user): 引入分布式ID生成服务替代Redis自增ID

- 添加对 han-note-distributed-id-generator-api 模块的依赖
- 实现 DistributedIdGeneratorRpcService 调用远程ID生成服务
- 替换用户注册时使用的Redis自增ID为RPC方式获取
- 删除原有从数据库获取用户ID的逻辑
- 更新pom.xml引入新的API依赖并管理版本

han-note-user/han-note-user-biz/src/main/java/com/hanserwei/hannote/user/biz/rpc/DistributedIdGeneratorRpcService.java

@@ -0,0 +1,40 @@
+package com.hanserwei.hannote.user.biz.rpc;
+
+import com.hanserwei.hannote.distributed.id.generator.api.DistributedIdGeneratorFeignApi;
+import jakarta.annotation.Resource;
+import org.springframework.stereotype.Component;
+
+@Component
+public class DistributedIdGeneratorRpcService {
+
+    @Resource
+    private DistributedIdGeneratorFeignApi distributedIdGeneratorFeignApi;
+
+    /**
+     * Leaf 号段模式：小憨书 ID 业务标识
+     */
+    private static final String BIZ_TAG_HANNOTE_ID = "leaf-segment-hannote-id";
+
+    /**
+     * Leaf 号段模式：用户 ID 业务标识
+     */
+    private static final String BIZ_TAG_USER_ID = "leaf-segment-user-id";
+
+    /**
+     * 调用分布式 ID 生成服务生成小憨书 ID
+     *
+     * @return 小憨书 ID
+     */
+    public String getHannoteId() {
+        return distributedIdGeneratorFeignApi.getSegmentId(BIZ_TAG_HANNOTE_ID);
+    }
+
+    /**
+     * 调用分布式 ID 生成服务用户 ID
+     *
+     * @return 用户 ID
+     */
+    public String getUserId() {
+        return distributedIdGeneratorFeignApi.getSegmentId(BIZ_TAG_USER_ID);
+    }
+}

han-note-user/han-note-user-biz/src/main/java/com/hanserwei/hannote/user/biz/service/impl/UserServiceImpl.java

@@ -21,6 +21,7 @@ import com.hanserwei.hannote.user.biz.domain.mapper.UserRoleDOMapper;
 import com.hanserwei.hannote.user.biz.enums.ResponseCodeEnum;
 import com.hanserwei.hannote.user.biz.enums.SexEnum;
 import com.hanserwei.hannote.user.biz.model.vo.UpdateUserInfoReqVO;
+import com.hanserwei.hannote.user.biz.rpc.DistributedIdGeneratorRpcService;
 import com.hanserwei.hannote.user.biz.rpc.OssRpcService;
 import com.hanserwei.hannote.user.biz.service.UserService;
 import com.hanserwei.hannote.user.dto.req.FindUserByEmailReqDTO;
@@ -53,6 +54,8 @@ public class UserServiceImpl extends ServiceImpl<UserDOMapper, UserDO> implement
     private RoleDOMapper roleDOMapper;
     @Resource
     private RedisTemplate<String, Object> redisTemplate;
+    @Resource
+    private DistributedIdGeneratorRpcService distributedIdGeneratorRpcService;
 
     @Override
     public Response<?> updateUserInfo(UpdateUserInfoReqVO updateUserInfoReqVO) {
@@ -155,10 +158,14 @@ public class UserServiceImpl extends ServiceImpl<UserDOMapper, UserDO> implement
         }
 
         // 否则注册新用户
-        // 获取全局自增的小憨书 ID
-        Long hanNoteId = redisTemplate.opsForValue().increment(RedisKeyConstants.HAN_NOTE_ID_GENERATOR_KEY);
+        // RPC获取全局自增的小憨书 ID
+        String hanNoteId = distributedIdGeneratorRpcService.getHannoteId();
+        // RPC调用获取用户ID
+        String userIdStr = distributedIdGeneratorRpcService.getUserId();
+        Long userId = Long.valueOf(userIdStr);
 
         UserDO userDO = UserDO.builder()
+                .id(userId)
                 .email(email)
                 .hanNoteId(String.valueOf(hanNoteId)) // 自动生成小憨书号 ID
                 .nickname("小憨憨" + hanNoteId) // 自动生成昵称, 如：小憨憨10000
@@ -171,9 +178,6 @@ public class UserServiceImpl extends ServiceImpl<UserDOMapper, UserDO> implement
         // 添加入库
         this.save(userDO);
 
-        // 获取刚刚添加入库的用户 ID
-        Long userId = userDO.getId();
-
         // 给该用户分配一个默认角色
         UserRoleDO userRoleDO = UserRoleDO.builder()
                 .userId(userId)