zwp_input_method_v2 and zwp_virtual_keyboard_v1, vendored verbatim from
wlroots 012ca825 under proto/ and turned into imv2.[ch] and vkv1.[ch] by
wayland-scanner; only the XML is tracked, and nothing compiles them yet.
The Dockerfile gains wayland, which carries the scanner.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
