- Overflow: the preview pane's child (the markdown shell) was a flex item with
the default min-width:auto, so the editor's wide internal min-content pushed
the whole pane past the viewport's right edge. Add min-width:0 on
.preview-pane__body and its children so the editor shrinks (and its own +
the grid's minmax(0) scrolling takes over) — the pane never overhangs.
- Pop out: editor-type files (markdown, yaml/.zddc, code text) were popped into
the lightweight preview window, which can't host the bundled editor — so
markdown showed as raw <pre>. Now they open the FULL browse app deep-linked
to the file (<dir>?file=<name>) in a new window, loading the real editor.
HTML keeps its rendered popup; images/pdf/office unchanged.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
ZDDC
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