Tests for #88, before the change:
the format chosen for each Accept header (AVIF-capable, WebP-only,
neither, wildcard only, absent, q=0 on AVIF, malformed), both image
routes serving an auto URL in the chosen format with Vary: Accept, also
on HEAD and 304, the signature covering auto rather than the chosen
format, each chosen format cached apart, and Vary: Accept next to the
CORS middleware's Vary: Origin. They do not compile yet: FormatAuto and
formatForAccept do not exist.
Model: opus-5-5
clawbot
39a647b6c5