feat: rebuild portable auto-update flow

src/main/ipc/index.ts

@@ -15,6 +15,7 @@ import { registerMaterialTypeHandlers } from './material-type-handler'
 import { registerUserErpConfigHandlers } from './user-erp-config-handler'
 import { registerLoggerHandlers } from './logger-handler'
 import { registerReportHandlers } from './report-handler'
+import { registerUpdateHandlers } from './update-handler'
 import { createLogger, logError } from '../services/logger'
 import { serializeError, sanitizeError } from '../services/logger/error-utils'
 import { getErrorMessage, getErrorCode, isBaseError } from '../types/errors'
@@ -105,5 +106,6 @@ export function registerIpcHandlers(): void {
   registerUserErpConfigHandlers()
   registerLoggerHandlers()
   registerReportHandlers()
+  registerUpdateHandlers()
   log.info('All IPC handlers registered')
 }