[BUG][UX] Improve UX with actionable insights and self-recovery attempt, in case ollama is not running

Until the model is not embedded, show clear actionable guides (via links), to user, to trobulesoot the issue.
Even better, we can (automatically), install all dependencies, such ollama.



<img width="419" alt="Image" src="https://github.com/user-attachments/assets/479bd9cc-90db-4e9b-9e10-45efded079fd" />