@seanleecoder
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Sean Lee's blogs
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Making AI agent rule application visible — stable IDs and trace blocks
May 12 · 9 min read · You wrote the rule. You loaded it into your AI agent. Did the agent use it? You can't tell. A rule that was loaded and ignored looks identical, in the response, to a rule that was loaded and followed.
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Root-default / screen-claim tracking: redesigning Expo Router analytics with two AIs in the loop
Apr 22 · 14 min read · Where I picked up the MR A new requirement had come in: every Expo Router screen should fire a screen_view event, with a handful of screens attaching extra payload. I sketched an initial direction wit
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Upgrading from Expo SDK 52 → 54 (new architecture) in a Monorepo: A Survival Journal
Sep 30, 2025 · 9 min read · When a dependency forces you forward, you don’t always get to upgrade on your own terms. That’s what happened with @sourcepoint/react-native-cmp. We were waiting on a critical bug fix, but when it finally landed, the maintainer had already migrated t...
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