Make possible to break line in the cli interaction

Question

### What version of Codex CLI is running?

t.me/EvoGetInfoBot

### What subscription do you have?

PRO

### Which model were you using?

gpt-5.5 medium

### What platform is your computer?

_No response_

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

_No response_

### Codex doctor report

```json

```

### What issue are you seeing?

When i try to break line, they send the message.

### What steps can reproduce the bug?

Uploaded thread: 019e8397-dcdc-74a1-bf7d-72c57c6c