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嗨，HN，我最近推出了 visadocs.ai，这是一个小项目，旨在帮助旅行者生成专业的签证申请文件，如行程和住宿计划。这个项目源于我自己在准备签证申请时的挫折——整理航班、酒店和日常计划既耗时又常常让人觉得是在做无用功。这个工具自动化了很多步骤：你只需输入旅行细节，它就能在几分钟内生成一份可直接使用的 PDF。我是一个独立创始人，整个项目都是我自己完成的（设计、前端、后端、部署）。技术栈方面，前端使用 React + Vite，托管使用 Cloudflare Pages/Workers，数据库使用 D1，支付则采用 Stripe。我有更多的产品设计背景（在这个行业工作了 10 年），所以在某些方面可能有些学习曲线，尤其是在后端的构建上，可能没有做到最好。我希望听听你们对以下几个问题的看法：对于那些经常旅行的人来说，你们觉得这种工具有价值吗？有没有明显的使用场景或痛点是我可能忽略的？你们认为在扩展性方面有没有什么红旗（或者说可能会遇到的问题）？提前感谢大家的反馈，我非常期待来自这个社区的任何意见。

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Hi HN,I recently launched visadocs.ai, a small project that helps travelers generate professional visa application documents like itineraries and accommodation plans.It came out of my own frustrations preparing visa applications — piecing together flights, hotels, and day-to-day plans was time-consuming and often felt like busywork. The tool automates a lot of that: you enter your trip details, and it generates a ready-to-use PDF in minutes.I’m a solo founder and built this end-to-end (design, front-end, back-end, deployment). The technical stack is React + Vite for the front end, Cloudflare Pages/Workers for hosting, D1 for the database, and Stripe for payments. I've got more of a Product Designer background (been working in the industry for the past 10 years) so there was a bit of a learning curve and I might have not build this in the best way possible (especially on the back-end).I’d love your thoughts on a couple of things:For those who travel often, do you see value in this type of tool?Are there obvious use cases or pain points I might be overlooking?Any red flags you see with how this might scale (or not)?Thanks in advance — I’d really appreciate any feedback from this community

我开发了一个工具来简化签证申请文件——希望能听到你的反馈。