### Summary * Added code signing for MacOS. ### Before - UNSIGNED codex-aarch64 <img width="716" height="334" alt="Screenshot 2025-10-08 at 11 53 28 AM" src="https://github.com/user-attachments/assets/276000f1-8be2-4b89-9aff-858fac28b4d4" /> ### After - SIGNED codex-aarch64 <img width="706" height="410" alt="Screenshot 2025-10-08 at 11 52 20 AM" src="https://github.com/user-attachments/assets/927528f8-2686-4d15-b3cb-c47a8f11ef29" />