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Cover image for From Prompt to Practical: Evolving HandyFEM’s User Flow with Claude.ai + Mermaid.live
Constanza Diaz
Constanza Diaz

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From Prompt to Practical: Evolving HandyFEM’s User Flow with Claude.ai + Mermaid.live

In my previous post about HandyFEM user flow I used Figma and ChatGPT to create a user flow for may app. This time I asked claude.ai, and I've got a much more complete version.
First of all I explained Claude all about my app, and I tried creating a prompt to create my chart in RapidChart, because I saw a post about it, but unfortunately it didn't work as expected, the chart was never built, and I tried several times, I even tried to make a smaller one, but nothing was built at all.

So I asked claude.ai for alternatives to RapidChart, and I decided to give a try to Mermaid.

First attempt of Mermaid code made by Claude.ai

It gave me a good enough result, already more complete than what I've done before, but with less visual references... so I copy/pasted my previous diagram and suggested to integrate both ideas.

Asking Claude to integrate both charts

new diagram:

Color-coded:
Yellow = Buttons
Light blue = Forms
Teal = Screens
Purple = Decision points
Blue = Professional UI
Green = Client UI
Red = Admin UI
Gray = System processes

The diagram shows the actual interface elements and navigation flow, making it practical for your developers to reference when building the app!

(Disclaimer: I had to iterate a few times in Claude, to get the correct flow, as the admin flow was incomplete).

The following image is just an unreadable screenshot for a reference, it was too large to attach in real size:

UI/Navigation flow and User journey flow:

Final UI/Navigation flow diagram (unreadable)

View fullsize.

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