Runtime Debug Use this skill when reproducing runtime-bundle, module-resolution, or user-bundle inclusion regressions. Local Repro Discipline - Mirror CI env vars when reproducing CI failures. - Key variables: forces webpack (turbopack is default), skips packing next.js. - For module-resolution validation, always rerun without . Stack Trace Visibility Set to disable the ignore-list filtering in dev server error output. By default, Next.js collapses internal frames to , which hides useful context when debugging framework internals. Defined in . User-Bundle Regression Guardrail When user starts…