Solo Platform v1.0.0 β — UI polish, model catalog revamp & WebGPU fallback

✨ Highlights

🔄 UI / UX

• WebGPU Fallback Screen
  When a browser lacks WebGPU, users now see a sleek overlay offering alternative install options (Desktop, Android, iOS) instead of a hard block.

• Platform Preference Cards
  Added minimal, responsive cards for Browser, Desktop, Android, and iOS—with concise descriptions that fit mobile screens.

• Feature Icons & Copy Refresh
  “Simple, Performant, Personalized, Secure, Portable” cards updated with crisper language and unified icon sizing.

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