Mermaid Expert

Provides clear Mermaid diagram instructions with good type coverage and professional approach

• +Covers comprehensive range of diagram types with concrete syntax examples
• +Establishes clear 5-step approach for diagram creation and validation
• +Specifies useful output requirements including accessibility and styling
• -Requests file and network permissions without clear justification for diagram generation
• -References implementation-playbook.md that may not exist or provide value