observablehq/framework ? reverse-engineered prompt

Build me a static site generator for data apps, dashboards, reports, and similar projects.

I want it to let me write content in markdown, add interactive charts and visualizations on the front end, and pull in data from scripts or other back end code so parts of the site can be prepared ahead of time. The goal is for dashboards to load fast, with data snapshots generated at build time instead of everything happening in the browser.

Please include a clean way to create pages, examples that show how to make a simple dashboard and a report, and a docs site that explains how to use it. Keep it flexible enough for data work, but easy enough that someone can start a new project without much setup. If you need to check anything, look up the current docs online first.