ESM 패키지 번들링 + electron-rebuild + import 수정

- electron-vite: nanoid/electron-store를 externalize 제외 (ESM 전용 번들 포함)
- electron-rebuild: better-sqlite3/uiohook-napi Electron용 리빌드
- bootstrap: 동적 require → 정적 import으로 수정

src/main/bootstrap.ts

@@ -7,6 +7,7 @@ import { getHotkeyService } from './services/HotkeyService'
 import { getVoiceModeService } from './services/VoiceModeService'
 import { getLocalLLMService } from './services/LocalLLMService'
 import { getHistoryService } from './services/HistoryService'
+import { getTextInsertService } from './services/TextInsertService'
 import { initDatabase } from './db'
 import {
   createMainWindow,
@@ -168,17 +169,14 @@ async function initLLMPolling(): Promise<void> {
 // ── HistoryPopup IPC 연동 ────────────────────────────
 
 function setupHistoryPopupIPC(): void {
-  const { ipcMain } = require('electron')
-  const { getTextInsertService } = require('./services/TextInsertService')
-
   // 히스토리 팝업 열기 (핫키에서 호출)
-  ipcMain.on('history:showPopup', () => {
+  ipcMainRef.on('history:showPopup', () => {
     const entries = getHistoryService().list({ page: 0, pageSize: 10 }).entries
     showHistoryPopup(entries as unknown as Array<Record<string, unknown>>)
   })
 
   // 아이템 선택 → 텍스트 삽입
-  ipcMain.on('history:itemSelected', (_event: Electron.IpcMainEvent, data: { text: string }) => {
+  ipcMainRef.on('history:itemSelected', (_event: Electron.IpcMainEvent, data: { text: string }) => {
     hideHistoryPopup()
     setTimeout(async () => {
       try {
@@ -190,7 +188,7 @@ function setupHistoryPopupIPC(): void {
   })
 
   // 팝업 닫기
-  ipcMain.on('history:popupDismissed', () => {
+  ipcMainRef.on('history:popupDismissed', () => {
     hideHistoryPopup()
   })
 }