c88cff93

By: Michael Lynch <git@mtlynch.io>

Refactor mediaDisplayImages to use unexported fields with typed accessors

File fields are now clearly named with a File suffix and expose their
values via accessor methods. Size fields store int widths and format
them as CSS pixel strings via accessors.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>