Refactor useToast hook into modules

The useToast hook was refactored into smaller, more manageable modules.

src/hooks/toast/index.ts

@@ -1,6 +1,6 @@
 
 import * as React from "react"
-import { Toast, ToasterToast } from "./types"
+import { Toast, ToasterToast, State } from "./types"
 import { actionTypes } from "./types"
 import { listeners, memoryState } from "./store"
 import { genId, dispatch } from "./toastManager"

src/hooks/toast/reducer.ts

@@ -1,6 +1,7 @@
 
-import { TOAST_REMOVE_DELAY } from './constants'
+import { TOAST_REMOVE_DELAY, TOAST_LIMIT } from './constants'
 import { Action, State, actionTypes } from './types'
+import { dispatch } from './toastManager'
 
 // 토스트 타임아웃 맵
 export const toastTimeouts = new Map<string, ReturnType<typeof setTimeout>>()

src/hooks/toast/store.ts

@@ -3,7 +3,6 @@ import { State } from './types'
 
 // 전역 상태 및 리스너
 export const listeners: Array<(state: State) => void> = []
-export let memoryState: State = { toasts: [] }
 
-// 마지막 액션 추적 (중복 방지용)
-export let lastAction: { type: string; id?: string; time: number } | null = null
+// memoryState와 lastAction은 toastManager.ts에서 관리
+export { memoryState } from './toastManager';

src/hooks/toast/toastManager.ts

@@ -2,7 +2,11 @@
 import { Action, actionTypes } from './types'
 import { TOAST_LIMIT } from './constants'
 import { reducer } from './reducer'
-import { listeners, memoryState, lastAction } from './store'
+import { listeners } from './store'
+
+// 전역 상태 관리
+let memoryState = { toasts: [] };
+let lastAction = null;
 
 // ID 생성기
 let count = 0
@@ -49,3 +53,5 @@ export function dispatch(action: Action) {
     listener(memoryState)
   })
 }
+
+export { memoryState };