Blog
Written by the people who broke it.
Engineering writing about things that actually happened — including the ones that were our fault.
More articles
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The metadata you can never capture again
We hold a corpus of scans and only recently understood what we had failed to record at capture time. Capture the context first.
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Projection onto a curved surface is a geodesic problem
Standard decal projection is a box projector. It is fast, it is well understood, and it is wrong on anything that curves in two directions at once.
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Your UI test is lying to you
The tests called the handlers directly. A real trackpad click jitters more than three pixels, and the drag guard swallowed it. Verification has to dispatch real events.
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The bug that only appeared when someone was fast
The key allocator read the maximum, incremented, and wrote — with no guard between the read and the write. Two parallel writes computed the same key.
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What an adversarial audit of our own stack found
They found a cross-project boundary that shared a workspace identifier and therefore trusted too much. Publishing what they found is the point.
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Agents need a chain of command
That boundary is enforced at the authorisation layer, not by prompt, because a prompt is a suggestion and a policy is not.
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We removed the buttons that did nothing
They were demo scaffolding that had outlived the demo. We deleted them rather than wiring them, because a control that lies is worse than a missing feature.