How I auto-generate 800+ App Store screenshots across 39 languages and 3 devices

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App Store screenshots are the highest-leverage marketing asset an app has — and the most painful to maintain. Now multiply that pain by 39 languages and 3 device classes. Doing that by hand is not "tedious," it's impossible to keep in sync. So I built a pipeline that turns one command into ~800 finished, captioned, device-correct screenshots for Cadento, my SwiftUI focus timer. Here's the architecture.

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