/arch-check What Verifies that the code still matches the architecture it claims to have. Architectures rot through small, individually-reasonable changes — a Domain project that gains an EF Core reference, a module that reaches into a sibling's internals, an endpoint defined outside the host. This workflow catches the rot using project-graph and dependency analysis, not file-by-file reading. Output: a violation report with severity, file:line evidence, and the concrete fix — or a clean conformance pass. When - "check my architecture", "are there layer violations", "dependency direction" - Be…