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05 / Journal

Journal

Notes on shipping AI features, backend architecture and product design.

  1. Evals before features: what we ship before an agent goes live

    The checklist we run on every LLM feature — golden sets, cost ceilings, fallback paths.

    AI
  2. Aggregating metrics at the database level, and why the dashboard got 40× faster

    A rewrite story from Sales Simulator: moving analytics out of the app layer.

    Backend
  3. A design system for a team of three

    How much system you actually need when the whole team fits in one call.

    Design
  4. Why we stopped writing estimates before architecture

    The two-week definition phase that made our delivery dates believable.

    Studio

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