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Last week I showed my risk filter flagging a dark-theme CSS change as touching auth, billing, and secrets. Wrong, for a dumb reason...it decides what's "sensitive" by matching file paths against sensitive-sounding names. So how should it actually know? 🧵

Option 1: name/path matching plus an optional config file teams fill in. Dead simple, ships now, zero data.

Option 2: CODEOWNERS, reusing the ownership signals already in the repo. Option 3: incident history, learning which parts of the codebase actually caused problems, whatever they're named. Most accurate by far.

The version that fixes this needs real incident data. But I won't have that data until people use the thing. That's the bind...the simple version is what I can launch, but the good version only exists on the far side of people using the simple one.