[FEATURE] Lines in code diffs in VS Code extension

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

It gets a bit confusing not seeing the lines next to each line of code in the code diffs it shows.

<img width="1896" height="379" alt="Image" src="https://github.com/user-attachments/assets/3d63a711-7fd9-403b-8e98-bc0fcbf22066" />

Proposed Solution

Make the diffs show the line numbers in the left.

Alternative Solutions

_No response_

Priority

Medium - Would be very helpful

Feature Category

Developer tools/SDK

Use Case Example

_No response_

Additional Context

_No response_