From 7ad33e5d464090aac7e71c65af7cda4414435ce5 Mon Sep 17 00:00:00 2001
From: claude-code-best <claude-code-best@proton.me>
Date: Sat, 20 Jun 2026 10:21:46 +0800
Subject: [PATCH] =?UTF-8?q?chore:=20=E7=A7=BB=E9=99=A4=20Cursor.ts=20?=
 =?UTF-8?q?=E4=B8=AD=E6=9C=AA=E5=BC=95=E7=94=A8=E7=9A=84=20kill=20ring=20?=
 =?UTF-8?q?=E8=AE=BF=E9=97=AE=E5=99=A8?=
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- 删除 getKillRingItem、getKillRingSize、clearKillRing、canYankPop（全仓零引用的独立 export）
- 移除 VIM_WORD_CHAR_REGEX 的 export 关键字（仍由 isVimWordChar 内部使用，保留常量本体）

kill ring 特性本身仍活跃（getLastKill/pushToKillRing/yankPop 在 useSearchInput/useTextInput 使用），仅这几个孤儿 helper 未接入。

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>
---
 src/utils/Cursor.ts | 26 +-------------------------
 1 file changed, 1 insertion(+), 25 deletions(-)

diff --git a/src/utils/Cursor.ts b/src/utils/Cursor.ts
index 6968ff473..b656687e1 100644
--- a/src/utils/Cursor.ts
+++ b/src/utils/Cursor.ts
@@ -51,26 +51,6 @@ export function getLastKill(): string {
   return killRing[0] ?? ''
 }
 
-export function getKillRingItem(index: number): string {
-  if (killRing.length === 0) return ''
-  const normalizedIndex =
-    ((index % killRing.length) + killRing.length) % killRing.length
-  return killRing[normalizedIndex] ?? ''
-}
-
-export function getKillRingSize(): number {
-  return killRing.length
-}
-
-export function clearKillRing(): void {
-  killRing = []
-  killRingIndex = 0
-  lastActionWasKill = false
-  lastActionWasYank = false
-  lastYankStart = 0
-  lastYankLength = 0
-}
-
 export function resetKillAccumulation(): void {
   lastActionWasKill = false
 }
@@ -83,10 +63,6 @@ export function recordYank(start: number, length: number): void {
   killRingIndex = 0
 }
 
-export function canYankPop(): boolean {
-  return lastActionWasYank && killRing.length > 1
-}
-
 export function yankPop(): {
   text: string
   start: number
@@ -130,7 +106,7 @@ export function resetYankState(): void {
  */
 
 // Pre-compiled regex patterns for Vim word detection (avoid creating in hot loops)
-export const VIM_WORD_CHAR_REGEX = /^[\p{L}\p{N}\p{M}_]$/u
+const VIM_WORD_CHAR_REGEX = /^[\p{L}\p{N}\p{M}_]$/u
 export const WHITESPACE_REGEX = /\s/
 
 // Exported helper functions for Vim character classification