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Found 8 Skills
arc42 architecture documentation template and guidance
Write, edit, or review chapters of an arc42 architecture documentation. Use when user says 'write arc42', 'update the architecture documentation', 'fill out chapter 5', 'arc42 chapter', 'architecture docs', or 'document our building blocks'. Do NOT use for ADRs (use document-decision — ADRs belong inside arc42 chapter 9) or user-facing feature docs (use document-feature).
Use when working on this project's architecture documentation in .arc42.md files.
Generate a SYSTEM_OVERVIEW.md that orients a senior engineer new to an unfamiliar codebase, with a Mermaid architecture diagram, a sequence diagram for data flow, and a legacy-pattern assessment. Use when user says 'give me a system overview', 'onboard me on this repo', 'walk me into this legacy codebase', 'document the high-level architecture', or 'create a SYSTEM_OVERVIEW.md'. Do NOT use for code walkthroughs (use explain), persistent architecture chapters (use arc42), or ADRs (use document-decision).
Write user-facing documentation for a new or changed feature, in the project's docs site. Use when user says 'document this feature', 'write user docs', 'create feature page', 'add to the docs site', or 'write the end-user guide'. Do NOT use for internal architecture docs (use arc42 or write-doc), ADRs (use document-decision), or CLAUDE.md updates (use create-or-audit-claude-md).
Explain a piece of code, a subsystem, or an architectural concept in the codebase, grounded in real files. Use when user says 'explain this', 'walk me through X', 'how does Y work', 'what does this module do', 'help me understand the Z flow', or 'onboard me on this component'. Do NOT use for writing permanent docs (use write-doc or arc42) or for code review (use review-diff).
Update existing object-oriented component documentation following industry best practices and architectural documentation standards.
Creates 4 core project docs (requirements.md, architecture.md, tech_stack.md, patterns_catalog.md). L3 Worker invoked by ln-110-project-docs-coordinator. ALWAYS created.