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The Margins & Letters

Reflections on software architecture, craft, and systems design.

10 active readers · 3 published dispatches

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No. 3 6 recipients

The Art of Minimal State in Modern Web Clients

Why eliminating redundant state reduces bug surface area by an order of magnitude.

State coordination is often the single greatest source of frontend entropy. In this essay we examine reactive derivation, event streams, and bounded stores.

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No. 2 4 recipients

Bounded Queues and Abort Signals

A pattern for cancellable, observable background work in the browser.

Abortable controllers are the missing primitive for user-initiated long jobs: they let an operator halt a distribution run without corrupting state.

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No. 1 5 recipients

Reading the Room on Open Rates

Issue-weighted averages, small samples, and the metrics that mislead.

An average open rate across a mixed list of issues can hide a dispatch that reached nobody. Weighting per issue keeps the number honest.

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