Code Tour Create CodeTour files for codebase walkthroughs that open directly to real files and line ranges. Tours live in and are meant for the CodeTour format, not ad hoc Markdown notes. A good tour is a narrative for a specific reader: - what they are looking at - why it matters - what path they should follow next Only create JSON files. Do not modify source code as part of this skill. When to Use Use this skill when: - the user asks for a code tour, onboarding tour, architecture walkthrough, or PR tour - the user says "explain how X works" and wants a reusable guided artifact - the user wa…