How I built a Lexware Office integration for Medusa v2

I run a flower shop in Munich and recently migrated my entire e-commerce setup to Medusa v2. The shop, the subscription service, the dashboard - everything runs on Medusa now. One thing that was completely missing: a connection to Lexware Office, which is the most popular accounting software for small businesses in Germany. Every order meant manually creating an invoice. With 5-10 orders a day, that gets old fast. So I built LexBridge - an open-source Medusa v2 plugin that automates the entire i