fix(useInterval): remove window prefix from setInterval and clearInterval for platform independence (#345)

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-authored-by: 김윤호 yunho <kimyouknow@naver.com>

Author: 3 people

.changeset/silly-pumas-swim.md

@@ -0,0 +1,5 @@
+---
+'react-simplikit': patch
+---
+
+fix useInterval to use globalThis instead of window for platform independence

packages/core/src/hooks/useInterval/useInterval.ts

@@ -57,7 +57,7 @@ export function useInterval(callback: () => void, options: IntervalOptions) {
       return;
     }
 
-    const id = window.setInterval(preservedCallback, delay);
-    return () => window.clearInterval(id);
+    const id = setInterval(preservedCallback, delay);
+    return () => clearInterval(id);
   }, [delay, preservedCallback, enabled]);
 }