Replace cast with @ts-expect-error

web/apps/photos/src/utils/native-stream.ts

@@ -21,16 +21,15 @@ export const writeStream = async (path: string, stream: ReadableStream) => {
     // only within our desktop (Electron) app, Chromium, don't support 'full'
     // duplex mode (i.e. streaming both the request and the response).
     // https://developer.chrome.com/docs/capabilities/web-apis/fetch-streaming-requests
-    //
-    // In another twist, the TypeScript libdom.d.ts does not include the
-    // "duplex" parameter, so we need to cast to get TypeScript to let this code
-    // through. e.g. see https://github.com/node-fetch/node-fetch/issues/1769
     const req = new Request(`stream://write${path}`, {
         // GET can't have a body
         method: "POST",
         body: stream,
+        // @ts-expect-error TypeScript's libdom.d.ts does not include the
+        // "duplex" parameter, e.g. see
+        // https://github.com/node-fetch/node-fetch/issues/1769.
         duplex: "half",
-    } as unknown as RequestInit);
+    });
     const res = await fetch(req);
     if (!res.ok)
         throw new Error(