Under normal load on the shared host, a /wheelofnames GIF takes 11-12s
and a /gacha wish 14-15s to render, so the 15s default turned ordinary
renders into 504s. The default is now 30s, and the bot waits 45s so it
never abandons a render the renderer is still allowed to finish.
The bot now takes the renderer's base URL and appends each /api/<name>
route itself, instead of taking the full /api/gif endpoint and swapping
its last path segment for /gacha and /genshin. The client, its files, and
its errors are named after the renderer rather than wheelofnames; the
/wheelofnames command keeps its name.
BREAKING CHANGE: WHEELOFNAMES_API_URL is replaced by RENDERER_URL, which
holds the base URL (e.g. http://renderer:3000) rather than the /api/gif
endpoint. compose.yml sets it, so Coolify needs no value.
tiennm99