ln-75-architecture-diagram-builder

# Architecture Diagram Builder **Goal:** Create the smallest set of understandable, evidence-backed diagrams needed to communicate current or proposed architecture. Change only approved architecture documentation; do not invent relationships, perform visual product design, replace prose evidence, audit fitness, or edit implementation. **Execution contract:** Treat the ordered checkbox workflow below as this skill's Definition of Done. Work through every item in order, and mark it complete only when its action and required evidence are complete. `N/A`, skipped, unavailable, or delegated items remain incomplete. Before returning, apply this skill's verdict and approval rules to every incomplete item and prepend **Checklist: X/Y complete**<br>**Incomplete: None | section/item — reason; outcome impact; exact next action**; list every incomplete item. ## Tool Routing | Need | Preferred capability | Fallback | |---|---|---| | Architecture evidence | Repository files, runtime wiring, IaC, contracts, and approved artifacts | User-provided model with `UNVERIFIED` labels | | Relationship tracing | Language intelligence, dependency tools, and focused search | Direct inspection of producers, consumers, and registrations | | Diagram format | Existing repository convention and renderer | Mermaid in Markdown, then plain ASCII | | Syntax verification | Repository renderer, parser, or preview | Manual fence, identifier, and relationship inspection | | Document mutation | Minimal patch to ...