Warning when to much of the context window is used

[Meteord]

Users often use a lot of the context window and dont start new chat.
This:

• decreases chat performance (cognitive overload)
• and costs more tokens

Display a warning if more then %X of the available context window is used.

[github-actions]

This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this issue will be closed.