WIP: Refactor and polyfill updates

- Add crypto polyfill for Expo
- Update daemon client and websocket server
- Simplify codex agent tests

packages/app/src/polyfills/crypto.ts

@@ -0,0 +1,24 @@
+import * as ExpoCrypto from "expo-crypto";
+
+declare global {
+  interface Crypto {
+    randomUUID(): `${string}-${string}-${string}-${string}-${string}`;
+  }
+}
+
+export function polyfillCrypto(): void {
+  if (typeof globalThis.crypto === "undefined") {
+    (globalThis as any).crypto = {};
+  }
+
+  if (typeof globalThis.crypto.randomUUID !== "function") {
+    globalThis.crypto.randomUUID = () =>
+      ExpoCrypto.randomUUID() as `${string}-${string}-${string}-${string}-${string}`;
+  }
+
+  if (typeof globalThis.crypto.getRandomValues !== "function") {
+    globalThis.crypto.getRandomValues = <T extends ArrayBufferView>(array: T): T => {
+      return ExpoCrypto.getRandomValues(array as any) as T;
+    };
+  }
+}