fix: 修复多处并发安全问题及锁实现重构

locker: 导出 RWLocker/EmptyLocker 接口, 新增 WithRWLocker, 重构
  SourceLocker 竞态、Synchronize 数据竞态

collections/linked_list: 补齐 ForEach/Size/GetAt/RemoveAt/ToList
  等方法的锁保护
collections/queue,stack: Peek/Size/IsEmpty 加锁
collections/list/linked_list: Front/Back/GetAt 加锁
maps: rwlock_map.Exist/Count, hash_map.Count 加锁
delay_queue/mem_store: Pop 原子化、Len/IsEmpty 加锁
cleanup_guard: Run() 检查 enable 标志
sets/ketama: 修复接口变更导致的 nil 空指针

collections/queue.go

@@ -56,15 +56,28 @@ func (q *ArrayQueue[T]) Poll() T {
 }
 
 func (q *ArrayQueue[T]) Peek() T {
+	q.lock.Lock()
+	defer q.lock.Unlock()
+
+	if q.size == 0 {
+		panic("empty")
+	}
+
 	return q.array[0]
 }
 
 // 栈大小
 func (q *ArrayQueue[T]) Size() int {
+	q.lock.Lock()
+	defer q.lock.Unlock()
+
 	return q.size
 }
 
 // 栈是否为空
 func (q *ArrayQueue[T]) IsEmpty() bool {
+	q.lock.Lock()
+	defer q.lock.Unlock()
+
 	return q.size == 0
 }