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Add max length to user input fields

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typescript
领域
frontend

调研方向

Start by reading application/common/types/commonTypes.ts to find the defined limits, then inspect the Participant and Admin clients and the existing Contact Us form implementation. Identify all user input fields and how their length limits are presented; done means the clients communicate limits consistently with the shared types and the approach is easy to extend to new fields.

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描述

PR related to #891 adds max length to most fields in the api validation, but users are still able to input unreasonably large strings.

Below I was able to input an extremely long string in the first name field (note: that it failed validation):

...JudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudithJudi'
... 31159 more characters
[backend]:     }
[backend]:   },
[backend]:   status: 400
[backend]: }
[backend]: {
[backend]:   message: 'Validation Failed',
[backend]:   details: { 'bodyRequest.firstName': { message: 'Invalid value provided' } },
[backend]:   level: 'error',
[backend]:   timestamp: '2026-09-22T03:41:55.923Z'
[backend]: }

It is good practice to communicate limits to users, so we should add max length information to all user input fields (Participant and Admin clients). The max lengths should align with those in application/common/types/commonTypes.ts.

There are a couple of cases where this exists already (e.g. Contact Us form). Ideally the implementation of this is done in a way that makes it easy to maintain and add to new fields that are created.

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从这里开始

  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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