[FEATURE] new setting to use Control-ENTER (instead of ENTER) to submit prompt

Preflight Checklist

• [x] I have searched existing requests and this feature hasn't been requested yet
• [x] This is a single feature request (not multiple features)

Problem Statement

Most AI tools I used allow switching to Control-ENTER (e.g. Cursor) instead of ENTER to submit prompt. Backslash + ENTER (CC CLI) is not a common convention. I often hit ENTER by mistake to send a partial prompt.

Also, CC vscode extention use a different key combination (control-enter vs alt-enter) to add a new line.

Proposed Solution

Claude AI said there is currently no setting to control this behavior. So add a new setting to configure this.

Alternative Solutions

_No response_

Priority

Medium - Would be very helpful

Feature Category

Interactive mode (TUI)

Use Case Example

_No response_

Additional Context

_No response_