[FEATURE] Replace Ctrl-g with Ctrl-x Ctrl-e

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

Why not let users continue to use their existing muscle memory?

Proposed Solution

Just use C-x C-e instead of C-g for "open and edit prompt in vim"

Alternative Solutions

_No response_

Priority

Low - Nice to have

Feature Category

Interactive mode (TUI)

Use Case Example

_No response_

Additional Context

_No response_