Building on top of AI, and writing down every pit we fell into.
Engineering notes from PlAIground Lab. Every post opens with the story — what happened and why — and closes with the complete technical runbook, written step by step so your AI can read it and build along.
Receiver, canary, mailbox fallback — three lines of defense fell asleep on the same afternoon. The full story, then the fix written as a runbook you (and your AI) can follow directly.
