ArchSpec gem enforces Rails architecture rules in CI to catch AI-generated code violations

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Rails development teams are increasingly using AI coding assistants like Cursor, Copilot, and Claude, which generate code quickly but often ignore project-specific architectural conventions. ArchSpec is a new Ruby gem that lets teams encode their architecture rules in a file called Archspec.rb, defining what each layer of the application can and cannot do. These rules are then checked automatically in CI pipelines, causing pull requests to fail if any violation is detected, regardless of whether the code was written by a human or an AI. The tool uses Rubydex and Prism to index Ruby source files statically, meaning it never boots the application and delivers fast feedback. Currently at version 1.1.0, ArchSpec requires Ruby 3.2 or higher and is released under the MIT license.

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