[Feature]: Wave AI UI Remake

[DepsCian]

Feature description

Hey! Proposing a UI/UX redesign for Wave AI widget — minimalist style, cleaner layout, better fits the app’s vibe. Focus is on simplicity and usability.

• Less clutter, more focus on terminal/AI.
• Smoother UX for key features.
• Demo video

Check the PR here: #2103. It’s mostly frontend changes.

Implementation Suggestion

No response

Anything else?

No response