core.nix defines the lnbits-sensei.* options (user, host, features,
backend). lib.nix reserves the config.lnbits-sensei.lib helper namespace
with placeholder stubs. lnbits.nix is a no-op stub that documents the
intended services.lnbits wrap shape and the FakeWallet default.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
