// A service config that draws defaults from base.fson and overrides some.
{
  %include "base.fson",              // merge base's members as defaults
  %include "secrets.fson" as vault,  // bind secrets' root under "vault"

  timeout: 60,                       // host wins over base's 30
  service: "auth",
  logging: { level: "debug" }        // shallow: wholly shadows base logging

  // --%include "extra.fson"          disabled directive: kept, not resolved
}