Feat: Show Context Window Percentage

[linoyabut]

Checks

• I could not find an existing setting that solved my issue
• I searched the discussions in this repo and there are no duplicates of my feature request

Feature Details

Description:

I have noticed that if Q near its context window limit, its reasoning ability can degrade. This is crucial for me especially if i'm in the middle of debugging and creating feature. It is hard for me to explain again if i will start a new conversation like db schema, other integration things....