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

package.json

@@ -24,6 +24,7 @@
     "publish-version": "node scripts/publish-version.mjs",
     "fmt": "cargo fmt --manifest-path ./src-tauri/Cargo.toml",
     "clippy": "cargo clippy  --manifest-path ./src-tauri/Cargo.toml",
+    "lint": "oxlint src",
     "format": "prettier --write .",
     "format:check": "prettier --check ."
   },
@@ -93,9 +94,11 @@
     "adm-zip": "^0.5.16",
     "commander": "^14.0.0",
     "cross-env": "^10.0.0",
+    "eslint-plugin-oxlint": "^1.12.0",
     "https-proxy-agent": "^7.0.6",
     "meta-json-schema": "^1.19.12",
     "node-fetch": "^3.3.2",
+    "oxlint": "^1.12.0",
     "prettier": "^3.6.2",
     "prettier-plugin-organize-imports": "^4.2.0",
     "sass": "^1.90.0",