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What problem does it solve? Understanding how a large or unfamiliar repository is structured takes hours of reading code, and written documentation often goes stale or misses how components actually interact. This Skill explores a codebase and produces a single visual HTML map showing systems, their roles, and how they call or depend on each other. ## Core Features & Use Cases - Architecture Exploration: Reads entry points, manifests, configs, directory structure, and source code to build a mental model of what each system is and how it interacts. - Focused Subsystem Mode: Accepts an optional argument (e.g. a subsystem name) to explore that area in depth while still diagramming its direct neighbors so boundaries stay visible. - Self-Contained Visual Output: Produces one HTML file with inline CSS, SVG diagrams, and JavaScript that opens directly from disk with no server, network, or external dependencies. - Use Case: After cloning an unfamiliar monorepo, run the Skill to get a clickable diagram where each node shows a generic role plus its real name, with full explanations revealed on click. ## Quick Start Ask the AI to map this repository's architecture, or pass a subsystem name like payments to focus the diagram on that area.