refactor: organize desktop vs. mobile into separate folders

js/desktop/src/main/ipc-utils.ts

@@ -0,0 +1,23 @@
+import { ipcMain, type IpcMainInvokeEvent } from "electron";
+import { reportError } from "@/lib/errors";
+
+type InvokeHandler = (
+  event: IpcMainInvokeEvent,
+  ...args: unknown[]
+) => Promise<unknown> | unknown;
+
+/**
+ * Wraps `ipcMain.handle` so handler failures log with full stack in main and
+ * re-throw a sanitized message to the renderer.
+ */
+export function safeHandle(channel: string, handler: InvokeHandler): void {
+  ipcMain.handle(channel, async (event, ...args) => {
+    try {
+      return await handler(event, ...(args as unknown[]));
+    } catch (err) {
+      reportError(err, { scope: `ipc.${channel}` });
+      const message = err instanceof Error ? err.message : "IPC error";
+      throw new Error(message);
+    }
+  });
+}