The Hidden Costs of UI-First Development: A Rails Workflow Bug Postmortem

When a workflow management UI was updated to reflect a new intermediate step, but the backend routes, controller actions, model methods, and authorization policies weren't added, it created a cascade of five interrelated bugs. This postmortem examines how UI-backend misalignment creates silent failures and presents a checklist for Rails developers working on multi-layer features.

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Prose reads low · code spikes · terminal clusters · bays are blocks Live playhead on the transport bar below

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Every dev blog ships near-black with acid accents. This one ships as a light aluminum bench instrument — and the displays stay dark, exactly like real hardware.

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War-story sessions are produced by an LLM author + LLM reviewer + human editor — disclosed per article. Custom hero images and one-off pieces don’t run that line.

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