Add nginx server block for api.fxhnt.ai with grpc_pass to the
api-gateway ClusterIP service. Add Scaleway DNS A record via Terraform
module. Fix fxt gRPC client to enable TLS when connecting to https://
endpoints (tonic requires explicit ClientTlsConfig).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Keep existing git.fxhnt.ai hostname for GitLab CE (repoint DNS
to new Tailscale IP after deploy). Add Terraform DNS module to
manage the A record via Terragrunt instead of manual scw CLI.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>