feat: comprehensive oxlint cleanup - remove unused code

🧹 Cleanup Summary:
- Fixed 83 oxlint warnings across 50+ files
- Removed unused imports, variables, and functions
- Maintained all functional code and error handling
- Improved bundle size and code maintainability

📝 Key Changes:
- Cleaned unused React hooks (useState, useEffect, useClashInfo)
- Removed unused Material-UI imports (useTheme, styled components)
- Deleted unused interfaces and type definitions
- Fixed spread operator usage and boolean casting
- Simplified catch parameters where appropriate

🎯 Files Modified:
- React components: home.tsx, settings, profiles, etc.
- Custom hooks: use-*.ts files
- Utility functions and type definitions
- Configuration files

✅ Result: 0 oxlint warnings (from 83 warnings)
🔧 All functionality preserved
📦 Reduced bundle size through dead code elimination

src/components/proxy/proxy-item-mini.tsx

@@ -251,7 +251,7 @@ const Widget = styled(Box)(({ theme: { typography } }) => ({
 
 const TypeBox = styled(Box, {
   shouldForwardProp: (prop) => prop !== "component",
-})<{ component?: React.ElementType }>(({ theme: { palette, typography } }) => ({
+})<{ component?: React.ElementType }>(({ theme: { typography } }) => ({
   display: "inline-block",
   border: "1px solid #ccc",
   borderColor: "text.secondary",