Fix pre-commit script to properly handle multiple files and resolve ESLint warnings

hooks/useLocalStorage.ts

@@ -8,7 +8,7 @@ function getStoredValue<T>(key: string, defaultValue: T): T {
   const saved = localStorage.getItem(key);
   try {
     return saved ? JSON.parse(saved) : defaultValue;
-  } catch (e) {
+  } catch {
     return defaultValue;
   }
 }