Release v2.8.0

Features

• Add per-model image-capability gating so text-only models no longer offer image input
• Add Android assist-gesture launch support

Fixes

• Reload conversations after importing settings
• Restore the Fetch URL tool in the Android tool list

Improvements

• Group sponsored sections in the UI
• More prominent interactive loading animation
• Update model catalog (including DeepSeek V4 1M context window)
• Additional localizations
• Upgrade dependencies