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This example demonstrates the minimal setup for the VizHub V3 Runtime Environment, where a blank canvas serves as a starting point for developing interactive visualizations. The code exports a `main` function that receives a container DIV, into which it injects content, while the absence of an `index.html` triggers the V3 runtime’s hot-reloading functionality. It relies on the runtime’s built-in support for continuous code updates, as shown in the linked tutorial video and course playlist, with no external libraries or data sources yet included.