Code
Systems I have built and left open. Not snippets: working things you can run, with the architecture written down and the trade-offs argued in public.
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A deliberately small exercise: one simple workflow, built as a demo you can run yourself. A deterministic router, a parallel fan-out, a bounded evaluator loop, a score computed in code rather than guessed by a model, and a cache that makes the second run free. Public repo, running instance, and the design document that was written before the code.
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