[FEATURE] Need history on vscode 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

Need history of chats so I can go back and understand everything I have done, everything that is running. It's quite confusing without it. This is a core cursor feature.

Proposed Solution

A history dropdown containing running and past chats.

Alternative Solutions

_No response_

Priority

High - Significant impact on productivity

Feature Category

Interactive mode (TUI)

Use Case Example

_No response_

Additional Context

_No response_