gmdiagram — Architecture Diagram Skill

What This Skill Does

Generate publication-quality diagrams as standalone files. The output can be:

• HTML: Single .html file with inline SVG and embedded CSS (default, no JavaScript)
• SVG: Standalone .svg file
• Mermaid: Mermaid text syntax (paste into GitHub, Notion, etc.)
• PNG/PDF: Via the export script at scripts/export.sh

Interactive Selection

When the user's request does NOT already specify all three choices (diagram type, style, output format), use the AskUserQuestion tool to let the user choose.

Important: AskUserQuestion supports at most 4 options per question and 4 questions per call. When there are more than 4 choices, split into two calls or use the auto-infer + confirm pattern below.

Selection Strategy

For each dimension, follow this logic: