/**
 * The transport signal, shared by the app and the Vite build config.
 *
 * `vite.config.ts` imports {@link transportFromEnv} to compute the
 * `__IDEA_TRANSPORT__` build constant from the very same `VITE_TRANSPORT`
 * variable that {@link shouldUseHttp} reads (ticket #74, F1). One predicate,
 * one variable: the greppable constant and the resolved transport cannot drift.
 */

/** The selected transport backing the gateways. */
export type Transport = "mock" | "http" | "tauri";

/**
 * The transport a raw `VITE_TRANSPORT` value selects, mock aside. Web is opt-in
 * (`"http"`) so the desktop path stays the default and is never affected.
 */
export function transportFromEnv(value: string | undefined): "http" | "tauri" {
  return value === "http" ? "http" : "tauri";
}