NomadCrew: Real-Time Group Travel Coordination, Built in Go
A real-time platform for the messy reality of group travel — a fine-grained WebSocket hub, matrix-based authorization, penny-perfect expense splitting, and database-enforced location privacy.
Reading the Black Box: An Observability Layer for Agent CLIs
Five agent CLIs, two storage shapes, one schema waist — and a remedy engine whose cheapest path through the code is "I have nothing comparable."
The Star Rating That Read Backwards: System Design for a Bilingual Lead-Gen Site
No cart, no checkout, no SKU table. Two ORMs on one Postgres, a system-of-record write path, and authorization compiled into a WHERE clause — in two languages and both directions.
Same Workbook In, Same PDF Out: Engineering Determinism End to End
A layout problem wearing a document problem’s clothes. The adversary was nondeterminism, and the deliverable had to match to the byte on every run — including after an operator edits the notes.
Earning the Right to Write a Passport Number into a Legal Form
Five specialized agents on a LangGraph StateGraph, two extractors reconciled per field, and a confidence score honest enough to say "I am not sure" — retrofitted behind seven flags onto a live PII pipeline.