feat: add signed launcher updates with native lifecycle recovery

src/services/native.ts

@@ -2,6 +2,7 @@ import { invoke, isTauri } from '@tauri-apps/api/core'
 import { listen } from '@tauri-apps/api/event'
 import { getCurrentWindow } from '@tauri-apps/api/window'
 import { createSerialQueue, createSubscription, singleFlight } from './async'
+import type { UpdaterStatus } from '../types/updater'
 import type {
   GameExitedPayload, InstallProgressPayload, JavaInstallation, LauncherSettings,
   LinkChallenge, LinkStatus, NativeHost, ProfileInspection, ServerStatus,
@@ -15,6 +16,11 @@ const restoreAccount = singleFlight(() => accountRequests.enqueue(() => invoke<S
 // Keep the IPC contract in one place. UI components never invoke native
 // commands directly and cannot pass arbitrary URLs or filesystem paths.
 export const native = {
+  updaterStatus: () => invoke<UpdaterStatus>('updater_status'),
+  checkUpdater: () => invoke<UpdaterStatus>('updater_check'),
+  installUpdater: () => invoke<UpdaterStatus>('updater_download_install'),
+  restartUpdater: () => invoke<void>('updater_restart'),
+  openUpdaterRelease: () => invoke<void>('updater_open_release_page'),
   host: () => invoke<NativeHost>('native_host'),
   metadata: (profileId: string) => invoke<ProfileMetadata>('profile_metadata', { profileId }),
   legacyMods: (profileId: string) => invoke<LegacyMod[]>('legacy_mods', { profileId }),
@@ -36,6 +42,12 @@ export const native = {
   launchOnboarding: (profileId: string, nickname: string) => invoke<PreparationResult>('launch_onboarding', { profileId, nickname }),
 }
 
+export function watchUpdater(receive: (status: UpdaterStatus) => void) {
+  return createSubscription([
+    listen<UpdaterStatus>('launcher-update-status', ({ payload }) => receive(payload)),
+  ])
+}
+
 export const windowControls = {
   minimize: () => getCurrentWindow().minimize(),
   toggleMaximize: () => getCurrentWindow().toggleMaximize(),