fix(desktop): satisfy updater prerequisite lint rules

apps/desktop/electron/main.ts

@@ -398,10 +398,10 @@ import {
   resolvePosixScriptHandoff,
   resolveStagedUpdaterBinary,
   resolveUpdateScriptHandoff,
-  windowsUpdatePrerequisiteError,
   sandboxFallbackFromEnv,
   spawnUpdaterProcess,
   stagedUpdaterSupportsPrewrittenMarker,
+  windowsUpdatePrerequisiteError,
   wrapHandoffForDetachedConsole
 } from './updater-process'
 import {
@@ -4052,8 +4052,10 @@ async function applyUpdates(opts: { stopSafeBlockers?: boolean } = {}) {
 
     if (IS_WINDOWS && resolveUpdateScriptHandoff(updateRoot)) {
       const message = windowsUpdatePrerequisiteError(updateRoot)
+
       if (message) {
         emitUpdateProgress({ stage: 'error', message, percent: null })
+
         return { ok: false, error: message }
       }
     }

apps/desktop/electron/update-prerequisites.test.ts

@@ -1,12 +1,15 @@
 import assert from 'node:assert/strict'
-import { mkdtempSync, mkdirSync, writeFileSync, unlinkSync, rmSync } from 'node:fs'
+import { mkdirSync, mkdtempSync, rmSync, unlinkSync, writeFileSync } from 'node:fs'
 import { tmpdir } from 'node:os'
 import path from 'node:path'
+
 import { test } from 'vitest'
+
 import { windowsUpdatePrerequisiteError } from './updater-process'
 
 test('handoff prerequisites fail closed without requiring dependencies, shim or browser UI', () => {
   const root = mkdtempSync(path.join(tmpdir(), 'hermes-prerequisites-'))
+
   try {
     const python = path.join(root, 'venv', 'Scripts', 'python.exe')
     const script = path.join(root, 'scripts', 'desktop-update', 'windows.ps1')

apps/desktop/electron/updater-process.ts

@@ -8,12 +8,16 @@ import { hiddenWindowsChildOptions } from './windows-child-options'
 export function windowsUpdatePrerequisiteError(updateRoot: string): string | null {
   const maintainedDir = path.join(updateRoot, 'scripts', 'desktop-update')
   const required = [path.join(updateRoot, 'venv', 'Scripts', 'python.exe')]
+
   // Pre-reorg flat scripts remain supported; damaged modern trees do not.
-  if (existsSync(maintainedDir)) required.push(path.join(maintainedDir, 'windows.ps1'))
+  if (existsSync(maintainedDir)) {required.push(path.join(maintainedDir, 'windows.ps1'))}
+
   for (const candidate of required) {
-    if (stagedFileExists(candidate)) continue
+    if (stagedFileExists(candidate)) {continue}
+
     return `Update aborted: ${candidate} is missing or unreadable. Repair the installation and review antivirus quarantine before retrying.`
   }
+
   return null
 }