{"version":"1.0","type":"rich","title":"Hello Worldz","description":"A minimal VizHub template renders \"Hello Worldz!\" in centered text at a font size of 151 pixels. The `main` function receives a container element and uses its dimensions for layout, writing directly to `container.innerHTML` with inline CSS styling. This example demonstrates the V3 runtime's fundamental pattern: exporting a `main` function that receives a measured DOM element, with no separate `index.html` required.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/a1035ab03cb3409aaf64809518620d88?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}