Aligns naming with the convention that "Config" is for file-level configuration
while "Options" and "Settings" describe runtime parameters. Also applies
rustfmt formatting fixes in web_auth.rs.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Update build context, dockerfile path, and volume mounts in
docker-compose.yaml to account for the new location.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>