Articles
Engineering write-ups on durable execution, reliability, agentic systems, security, and infrastructure, from the team building Vectorbea.
2 articles
Feb 2, 2026·5 min read·Execution Engine
Designing Event History as a Primitive for AI Workflows
How we modeled the append-only event log that backs every Vectorbea run, and why we treat it as the source of truth rather than an audit trail bolted on afterward.
event-sourcingarchitectureobservability
Jan 12, 2026·5 min read·Execution Engine
Why Long-Running AI Workflows Need Durable Execution
Async jobs and retry decorators get you most of the way to a working agent, and then they don't. Here's why we built Vectorbea around durable execution from day one.
durable-executionarchitecturereliability