fix(clipboard): Clear setTimeout in useCopyToClipboard to resolve memory leak (#4228)

fix: auto patch for clipboard_44

webview-ui/src/utils/clipboard.ts

@@ -1,4 +1,4 @@
-import { useState, useCallback } from "react"
+import { useState, useCallback, useEffect, useRef } from "react"
 
 /**
  * Options for copying text to clipboard
@@ -33,15 +33,24 @@ export const copyToClipboard = async (text: string, options?: CopyOptions): Prom
  */
 export const useCopyToClipboard = (feedbackDuration = 2000) => {
 	const [showCopyFeedback, setShowCopyFeedback] = useState(false)
+	const timeoutRef = useRef<NodeJS.Timeout | null>(null)
 
 	const copyWithFeedback = useCallback(
 		async (text: string, e?: React.MouseEvent) => {
 			e?.stopPropagation()
 
+			// Clear any existing timeout
+			if (timeoutRef.current) {
+				clearTimeout(timeoutRef.current)
+			}
+
 			const success = await copyToClipboard(text, {
 				onSuccess: () => {
 					setShowCopyFeedback(true)
-					setTimeout(() => setShowCopyFeedback(false), feedbackDuration)
+					timeoutRef.current = setTimeout(() => {
+						setShowCopyFeedback(false)
+						timeoutRef.current = null
+					}, feedbackDuration)
 				},
 			})
 
@@ -50,6 +59,15 @@ export const useCopyToClipboard = (feedbackDuration = 2000) => {
 		[feedbackDuration],
 	)
 
+	// Cleanup timeout on unmount
+	useEffect(() => {
+		return () => {
+			if (timeoutRef.current) {
+				clearTimeout(timeoutRef.current)
+			}
+		}
+	}, [])
+
 	return {
 		showCopyFeedback,
 		copyWithFeedback,