Embedded PDF is not rendered with a preview

[jannesblobel]

Bug

When embedding a PDF in a markdown document, Flashtype does not render a preview. In Obsidian, the same embed shows an inline PDF preview.

Reproduction

1. Embed a PDF in a markdown file:

   ![example](example.pdf)

2. Open the file in Flashtype
3. No preview is shown

Expected behavior

The PDF should render as an inline preview, the same way Obsidian does.

Actual behavior

Nothing is rendered — the embed is blank.