Create Embed

Build a workspace-local .html mini app, then embed it from Markdown:

<iframe src="./file-index.html"></iframe>

The src must be a relative workspace-local .html path from the Markdown file.

Runtime

Hubble provides the embed runtime. Write plain HTML that assumes these globals are already available:

• hubble
• Alpine
• Tailwind browser v4
• Hubble theme tokens

Use Alpine and Tailwind by default. Do not add dependency <script> tags or set up package files, lockfiles, or node_modules for an embed.