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Engineering5 min read
Fire-and-Forget Is a Lie: Why Your Async Jobs Need a Persistence Safety Net
Your async server function runs to completion, broadcasts results via WebSocket, and... nobody is listening. The user closed the tab. All that AI generation work? Gone. Here's why fire-and-forget needs a persistence safety net.
Engineering5 min read
The Video That Wasn't There: A Cautionary Tale About API Race Conditions
When LinkedIn says your video post is published but visitors see "post not found" — you've hit a classic async processing race condition. Here's the pattern, the fix, and the architectural lesson.