v3 split the swarm provider out of `--providers.docker.swarmmode`. New
flags use `--providers.swarm.*`. v2.11.22 is well past its EoL.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Mirrors cipherdolls/devops layout. Hostinger Swarm stacks for the t4t
hosted-gateway and local docker-compose for development + e2e tests.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>