Mixed Case Dir Page
A fixture page living in a non-slug-stable directory (content/My Notes Dir/,
route /my-notes-dir/page). Story 2.4 review fix #1 (CRITICAL): a same-dir media
embed must resolve against the page’s VERBATIM on-disk directory (My Notes Dir),
NOT its slugged route directory (my-notes-dir), because the copy step writes the
asset to dist/My Notes Dir/pic.png verbatim. A slugged src would 404.
Media (AC: 2.4, review fix #1)
A same-dir embed whose served src must match the verbatim-copied path: