apply_patch tool do not exists

Question

### What version of Codex CLI is running?

codex-cli 0.116.0

### What subscription do you have?

none

### Which model were you using?

gpt-oss-20b

### What platform is your computer?

Linux 6.6.87.2-microsoft-standard-WSL2 x86_64 unknown

### What terminal emulator and version are you using (if applicable)?

Windows Terminal (WSL)

### What issue are you seeing?

I try to create a simple hello world in C++, the model want to call that does not exists: "apply_patch".

### What steps can reprod