25484aadb8
ProfileUpdateRequest.nickname 的 max_length 16 → 20,与客户端 take(20) 和 原型 settings.html(maxlength=20)对齐。修复 17–20 字昵称保存时后端返回 422、 客户端弹「更新失败,请重试」的问题。DB 列为 String(64),放得下,无需迁移。 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> --------- Co-authored-by: zzhyyyyy <2685922758@qq.com> Reviewed-on: #47 Co-authored-by: zhuzihao <zhuzihao@wonderable.ai> Co-committed-by: zhuzihao <zhuzihao@wonderable.ai>