CogVideoX-Fun MLX runtime

Vendored from https://github.com/dgrauet/VideoX-Fun-mlx at commit
26326e7d52e6762375227b320d77003dac764d14 (2026-07-21).

That repository is itself a fork of the original VideoX-Fun, developed by the
Alibaba PAI team:

    https://github.com/aigc-apps/VideoX-Fun

Both are licensed under the Apache License, Version 2.0. The upstream projects
publish no NOTICE file and assert no copyright line in their LICENSE; the
LICENSE file in this directory is a verbatim copy of the upstream Apache-2.0
text and has not been modified.

The sources in this directory are an MLX port and have been changed relative to
the original VideoX-Fun. Neither upstream project endorses this distribution.

Model weights are not distributed here — they are downloaded at runtime from
their publishers under their own separate licenses.
