import type { Backend, RuntimeTarget, ServeRuntime } from "@/lib/types"; const ENGINE_LABEL: Record<Backend, string> = {  vllm: "vLLM",  sglang: "SGLang",  llamacpp: "llama.cpp",  mlx: "MLX",}; export const runtimeId = (runtime: ServeRuntime): string => `${runtime.kind}:${runtime.ref}`; export const defaultRuntimeForBackend = (backend: Backend): ServeRuntime =>  backend === "llamacpp"    ? { kind: "binary", ref: "llama-server", label: "Managed llama.cpp" }    : {        kind: "managed_venv",        ref: backend,        label: `Managed ${ENGINE_LABEL[backend]}`,      }; export const isManagedServeRuntimeTarget = (backend: Backend, target: RuntimeTarget): boolean =>  target.backend === backend &&  target.kind === "venv" &&  Boolean(target.pythonPath?.includes(`/runtime/venvs/${backend}-latest/`));