Consolidate optimizer, tasks and file system on to the left of the chat window

Should move the tasks & file system components to the left hand side with the optimizer, and make the optimizer collapsable

<img width="1222" height="821" alt="Image" src="https://github.com/user-attachments/assets/c98b16d2-163f-4a7f-bcd3-e91ee28cee09" />