OFFSET is a position in a result set that keeps changing, and it gets slower the deeper you go. A cursor is a value in the data. When each one is the right answer.

An instant and a wall-clock reading are different things, and Date conflates them. What DST actually does to your data, and how Temporal's types stop the bugs at the point of modelling.

Save the row, then publish the event. Two writes, no shared transaction, and a window where one succeeds and the other doesn't. Why no ordering fixes it, and what does.

Prompt engineering without measurement is guessing with extra steps. How to build an eval set from real traffic, pick a grader that isn't lying to you, and avoid tuning your way to a number that means nothing.