chore: 添加 .gitignore 规则，包含前端、pnpm、Node.js 和 AI 工具

src/hooks/useLocalStorage.js

@@ -0,0 +1,25 @@
+import { useState, useEffect } from 'react';
+
+function useLocalStorage(key, initialValue) {
+    const [value, setValue] = useState(() => {
+        try {
+            const saved = localStorage.getItem(key);
+            return saved ? JSON.parse(saved) : initialValue;
+        } catch (error) {
+            console.warn(`Error reading localStorage key "${key}":`, error);
+            return initialValue;
+        }
+    });
+
+    useEffect(() => {
+        try {
+            localStorage.setItem(key, JSON.stringify(value));
+        } catch (error) {
+            console.warn(`Error setting localStorage key "${key}":`, error);
+        }
+    }, [key, value]);
+
+    return [value, setValue];
+}
+
+export default useLocalStorage;