View source for Bot:PDF viewer

''Source-PDF viewer.'' This page is an application shell: with the
<code>figureSource</code> gadget enabled it renders a mirrored source PDF and
highlights a clicked figure's stored rectangle.

Open it from any archived document — click a figure, then ''open ↗'' in the
popover. Direct form: <code>?doc=&lt;archive page title&gt;&amp;fig=&lt;figure
id&gt;</code>, e.g. <code>?doc=AXA/2025/FY/Earnings release&amp;fig=chq99br5nr-p13-n47</code>.

Figure locations come from the document's
<code>Data:&lt;page&gt;.figures.json</code> sidecar (<code>by_id figures</code>);
the PDF is the sha-pinned <code>File:</code> mirror of the registry
<code>source_url</code>.

''If this text stays visible, the gadget is not enabled — the viewer needs
JavaScript and the figureSource gadget.''