- Fold each agent name after every 20+ characters.
- Choose the rounded box as node shape.
- Signify disabled agents with gray color, including arrows.
- Use a shorter node name to shorten code that often exceeds the limit
of Google Chart API when an agent with a long name has lots of sources
- Use a smaller font size, and specify Helvetica as font family in SVG
output to match the rest of the site contents.