From Lab to Life · Essay

Six Months After I Shipped Lumina; Here's What Actually Happened

No funding round. No big pivot. Just real customers, one broken character limit, and the unglamorous work nobody puts in a launch post.

Published
10 July 2026
Author
Dr. Tali Režun
Series
Lumina
Topics
Lumina AI

Running Lumina with real customers six months after launch. A Ljubljana massage studio hit a forgotten 2,000-character personality limit mid-conversation; the systemic fix raised the limit fourfold and added live counters. Introduces the "Responsibility Threshold". Infrastructure work: a rebuilt admin back office, a security audit, 258 automated tests and VAT compliance. Whole documents are read in a ~1M-token window. The Google Calendar integration is gated on Google's own security review.