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Field notes · Product and engineering

Writing about the systems behind the feature.

I write about building dependable AI-powered consumer mobile products: state, reliability, measurement, trust and the operating loops that turn capabilities into useful software.

018 Sep 2026 · 13 min

Where the Model Runs: A Decision Framework for On-Device vs Cloud AI in Consumer Apps

For a mobile AI feature the question is no longer which model, but where each request should run — a provider-neutral framework with a hybrid architecture and graceful degradation.

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028 Sep 2026 · 7 min

Streaming Without Lying: Progressive AI Responses That Still Honor a Contract

Keep the speed of streaming without acting on unvalidated output — separate the optimistic display path from a validation-gated commit path.

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0328 Aug 2026 · 9 min

Shipping Reliable AI Features in Consumer Mobile Apps

A production-minded framework for state, failure recovery, evaluation, observability and controlled rollout.

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0428 Aug 2026 · 10 min

From AI Capability to Consumer Habit

How recurring jobs, accumulated value, visible trust and measurement turn model capability into a product people choose to keep.

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