Optimistic UI needs a rollback plan
An instant interface is only trustworthy when pending, rejected, and retried work all have a clear path.
Notes
Things worth
remembering.
Short, source-backed observations from building interfaces, data paths, and systems on the web.
What belongs at the edge?
The right execution point follows the whole data path, not the word “edge” on an architecture diagram.
Shape a D1 model around its query paths
A small schema stays adaptable when its constraints, indexes, and migrations describe work the product already performs.