Notes
Why it is built the way it is.
Short pieces on the design decisions behind Vantra. Written for people who have run a control room, not for people who write about software.
- Why an event log has to be append-only
An editable log is a document. An append-only log with attributed amendments is evidence. The difference matters when someone is asking questions under oath.
6 min · 12/02/2026
- Offline-first, because the mast does not care about your event
What offline-first actually requires in event control software: local writes, original times preserved, and references reconciled after sync.
6 min · 12/02/2026
- The welfare assessment is the ejection record
Why an ejection form should refuse to complete without a welfare assessment, and what that assessment needs to contain.
5 min · 12/02/2026