Fix Codex process spawning and health checks on Windows

- Run Codex-related child processes with `shell` on Windows for reliable command execution
- Switch provider auth probe to `codex login status` and update health-check expectations
- Use Node PTY on Windows instead of Bun PTY in server runtime setup
0a12333448julius committed on 3/4/2026, 5:03:16 AM· committed by Julius Marmingeparent9db54c9
7 files changedLine totals unavailable