Refactor useToast hook

The useToast hook was refactored into smaller, more manageable files to improve code organization and maintainability.

src/hooks/toast/toastManager.ts

@@ -0,0 +1,51 @@
+
+import { Action, actionTypes } from './types'
+import { TOAST_LIMIT } from './constants'
+import { reducer } from './reducer'
+import { listeners, memoryState, lastAction } from './store'
+
+// ID 생성기
+let count = 0
+
+export function genId() {
+  count = (count + 1) % Number.MAX_SAFE_INTEGER
+  return count.toString()
+}
+
+export function dispatch(action: Action) {
+  // 마지막 액션 정보 추출
+  let actionId: string | undefined = undefined;
+  if ('toast' in action && action.toast) {
+    actionId = action.toast.id;
+  } else if ('toastId' in action) {
+    actionId = action.toastId;
+  }
+  
+  // 동일한 토스트에 대한 중복 액션 방지
+  const now = Date.now();
+  const isSameAction = lastAction && 
+                      lastAction.type === action.type && 
+                      ((action.type === actionTypes.ADD_TOAST && 
+                        lastAction.time > now - 1000) || // ADD 액션은 1초 내 중복 방지
+                       (action.type !== actionTypes.ADD_TOAST && 
+                        actionId === lastAction.id && 
+                        lastAction.time > now - 300)); // 다른 액션은 300ms 내 중복 방지
+  
+  if (isSameAction) {
+    console.log('중복 토스트 액션 무시:', action.type);
+    return;
+  }
+  
+  // 액션 추적 업데이트
+  lastAction = { 
+    type: action.type, 
+    id: actionId, 
+    time: now 
+  };
+  
+  // 실제 상태 업데이트 및 리스너 호출
+  memoryState = reducer(memoryState, action)
+  listeners.forEach((listener) => {
+    listener(memoryState)
+  })
+}