- docs/lx-config.md: config reference for XHTTP transport and AmneziaWG 2.0
endpoint (field tables + examples with placeholder keys)
- .github/workflows/lx-ci.yml: matrix over the two features
(baseline / with_xhttp / with_awg / full) + negative check that feature-off
rejects its config; vet job; cross-platform matrix {linux,darwin,windows}x
{amd64,arm64} building the full lx set with the merged AWG fork (submodules)
- link the config doc from SPECS/README