I Built a Suite of 6 Financial Tools in My Browser Stack — Here's the Architecture

I Built a Suite of 6 Financial Tools in My Browser Stack — Here's the Architecture KashVector is live. Six free, client-side financial tools at kashvector.com . No login, no backend database, no data leaving your device. Everything runs in the browser. I came back to coding after 15 years away — last time I wrote software was mobile apps before the iPhone. I used Claude Code as my development partner throughout. This is a writeup of the architecture, the key decisions, and the AI-assisted workfl