Newt-Agent inference layer.
backend::InferenceBackendis the trait every backend implements.local::LocalOllamaBackendandlocal::LocalVllmBackendare the only backends compiled into the default Newt binary.provider_plugin::ProviderPluginBackendspawns a subprocess that speaks the Newt-Provider JSON-RPC protocol — this is how OpenAI, Anthropic, etc. join via opt-in plugin installs.