scaffold the app: tauri crate, vite front end, icons, ci

src/ipc.ts

@@ -0,0 +1,10 @@
+// Placeholder. The contract lands in F3.
+import { invoke } from "@tauri-apps/api/core";
+
+export const isTauri = typeof window !== "undefined" && "__TAURI_INTERNALS__" in window;
+export const isMacDesktop =
+  isTauri && typeof navigator !== "undefined" && /mac/i.test(navigator.userAgent);
+
+export function call<T>(command: string, args?: Record<string, unknown>): Promise<T> {
+  return invoke<T>(command, args);
+}