I Shipped a Multi-Tenant Flutter SaaS Overnight — Without Writing a Single Line of App Code (opens in new tab)

This is a submission for the What this post unpacks I shipped a multi-tenant Flutter SaaS — a futsal-pitch booking app with a consumer app, an operator admin console, QR check-in, walk-in POS, and a deployed Firebase backend — in one overnight sitting. The git timeline runs from 19:38 to 03:09. I never typed app code. I drove four (then five) Claude Code agents in parallel, each in its own pane, each owning one directory of a shared monorepo. The conductor was Hermes Agent (Nous Research, MIT...