test(desktop): move node tests to vitest as well

apps/desktop/electron/backend-command.test.ts

@@ -1,5 +1,6 @@
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import { dashboardFallbackArgs, serveBackendArgs, sourceDeclaresServe } from './backend-command'
 

apps/desktop/electron/backend-env.test.ts

@@ -1,6 +1,7 @@
 import assert from 'node:assert/strict'
 import path from 'node:path'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import {
   appendUniquePathEntries,

apps/desktop/electron/backend-probes.test.ts

@@ -9,7 +9,8 @@ import assert from 'node:assert/strict'
 import fs from 'node:fs'
 import os from 'node:os'
 import path from 'node:path'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import { canImportHermesCli, hermesRuntimeImportProbe, verifyHermesCli } from './backend-probes'
 

apps/desktop/electron/backend-ready.test.ts

@@ -16,7 +16,8 @@ import { EventEmitter } from 'node:events'
 import fs from 'node:fs'
 import os from 'node:os'
 import path from 'node:path'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import {
   DEFAULT_PORT_ANNOUNCE_TIMEOUT_MS,

apps/desktop/electron/bootstrap-platform.test.ts

@@ -1,5 +1,6 @@
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import {
   bundledRuntimeImportCheck,

apps/desktop/electron/bootstrap-runner.test.ts

@@ -2,7 +2,8 @@ import assert from 'node:assert/strict'
 import fs from 'node:fs'
 import os from 'node:os'
 import path from 'node:path'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import {
   buildPinArgs,

apps/desktop/electron/connection-config.test.ts

@@ -11,7 +11,8 @@
  */
 
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import {
   AT_COOKIE_VARIANTS,

apps/desktop/electron/dashboard-token.test.ts

@@ -6,7 +6,8 @@
  */
 
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import {
   adoptServedDashboardToken,

apps/desktop/electron/desktop-uninstall.test.ts

@@ -10,7 +10,8 @@
  */
 
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import {
   buildPosixCleanupScript,

apps/desktop/electron/fs-read-dir.test.ts

@@ -2,9 +2,10 @@ import assert from 'node:assert/strict'
 import fs from 'node:fs'
 import os from 'node:os'
 import path from 'node:path'
-import test from 'node:test'
 import { pathToFileURL } from 'node:url'
 
+import { test } from 'vitest'
+
 import { readDirForIpc } from './fs-read-dir'
 
 function mkTmpDir() {

apps/desktop/electron/gateway-ws-probe.test.ts

@@ -10,7 +10,8 @@
  */
 
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import { probeGatewayWebSocket } from './gateway-ws-probe'
 

apps/desktop/electron/git-review-ops.test.ts

@@ -1,5 +1,6 @@
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import { resolveRenamePath } from './git-review-ops'
 

apps/desktop/electron/git-root.test.ts

@@ -2,9 +2,10 @@ import assert from 'node:assert/strict'
 import fs from 'node:fs'
 import os from 'node:os'
 import path from 'node:path'
-import test from 'node:test'
 import { pathToFileURL } from 'node:url'
 
+import { test } from 'vitest'
+
 import { gitRootForIpc } from './git-root'
 
 function mkTmpDir() {
@@ -19,20 +20,23 @@ test('gitRootForIpc returns null for invalid and device paths', async () => {
   assert.equal(await gitRootForIpc('file:///%E0%A4%A'), null)
 })
 
-test('gitRootForIpc resolves directories files missing descendants and file URLs', async t => {
+test('gitRootForIpc resolves directories files missing descendants and file URLs', async () => {
   const root = mkTmpDir()
-  t.after(() => fs.rmSync(root, { recursive: true, force: true }))
 
-  const gitDir = path.join(root, '.git')
-  const srcDir = path.join(root, 'src')
-  const filePath = path.join(srcDir, 'index.ts')
-  fs.mkdirSync(gitDir)
-  fs.mkdirSync(srcDir)
-  fs.writeFileSync(filePath, 'export {}\n', 'utf8')
+  try {
+    const gitDir = path.join(root, '.git')
+    const srcDir = path.join(root, 'src')
+    const filePath = path.join(srcDir, 'index.ts')
+    fs.mkdirSync(gitDir)
+    fs.mkdirSync(srcDir)
+    fs.writeFileSync(filePath, 'export {}\n', 'utf8')
 
-  assert.equal(await gitRootForIpc(root), root)
-  assert.equal(await gitRootForIpc(srcDir), root)
-  assert.equal(await gitRootForIpc(filePath), root)
-  assert.equal(await gitRootForIpc(pathToFileURL(filePath).toString()), root)
-  assert.equal(await gitRootForIpc(path.join(srcDir, 'missing.ts')), root)
+    assert.equal(await gitRootForIpc(root), root)
+    assert.equal(await gitRootForIpc(srcDir), root)
+    assert.equal(await gitRootForIpc(filePath), root)
+    assert.equal(await gitRootForIpc(pathToFileURL(filePath).toString()), root)
+    assert.equal(await gitRootForIpc(path.join(srcDir, 'missing.ts')), root)
+  } finally {
+    fs.rmSync(root, { recursive: true, force: true })
+  }
 })

apps/desktop/electron/git-worktree-ops.test.ts

@@ -3,7 +3,8 @@ import { execFileSync } from 'node:child_process'
 import fs from 'node:fs'
 import os from 'node:os'
 import path from 'node:path'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import {
   addWorktree,

apps/desktop/electron/hardening.test.ts

@@ -2,9 +2,10 @@ import assert from 'node:assert/strict'
 import fs from 'node:fs'
 import os from 'node:os'
 import path from 'node:path'
-import test from 'node:test'
 import { pathToFileURL } from 'node:url'
 
+import { test } from 'vitest'
+
 import {
   DEFAULT_FETCH_TIMEOUT_MS,
   encryptDesktopSecret,
@@ -122,171 +123,184 @@ test('resolveRequestedPathForIpc expands ~ to the home directory', () => {
   )
 })
 
-test('resolveReadableFileForIpc validates existence type size and sensitivity', async t => {
+test('resolveReadableFileForIpc validates existence type size and sensitivity', async () => {
   const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'hermes-desktop-hardening-'))
-  t.after(() => fs.rmSync(tempDir, { recursive: true, force: true }))
 
-  const textPath = path.join(tempDir, 'notes.txt')
-  fs.writeFileSync(textPath, 'hello world', 'utf8')
+  try {
+    const textPath = path.join(tempDir, 'notes.txt')
+    fs.writeFileSync(textPath, 'hello world', 'utf8')
 
-  const fromRelative = await resolveReadableFileForIpc('notes.txt', {
-    baseDir: tempDir,
-    maxBytes: 256,
-    purpose: 'File preview'
-  })
-
-  assert.equal(fromRelative.resolvedPath, textPath)
-  assert.equal(fromRelative.stat.size, 11)
-
-  const fromFileUrl = await resolveReadableFileForIpc(pathToFileURL(textPath).toString(), {
-    purpose: 'File preview'
-  })
-
-  assert.equal(fromFileUrl.resolvedPath, textPath)
-
-  const spacedPath = path.join(tempDir, 'notes with spaces.txt')
-  fs.writeFileSync(spacedPath, 'space ok', 'utf8')
-
-  const fromSpacedFileUrl = await resolveReadableFileForIpc(pathToFileURL(spacedPath).toString(), {
-    purpose: 'File preview'
-  })
-
-  assert.equal(fromSpacedFileUrl.resolvedPath, spacedPath)
-
-  await assert.rejects(
-    resolveReadableFileForIpc('missing.txt', {
+    const fromRelative = await resolveReadableFileForIpc('notes.txt', {
       baseDir: tempDir,
-      purpose: 'Text preview'
-    }),
-    /file does not exist/
-  )
-
-  const nestedDir = path.join(tempDir, 'directory')
-  fs.mkdirSync(nestedDir)
-  await assert.rejects(
-    resolveReadableFileForIpc(nestedDir, {
-      purpose: 'Text preview'
-    }),
-    /path points to a directory/
-  )
-
-  const largePath = path.join(tempDir, 'large.txt')
-  fs.writeFileSync(largePath, 'x'.repeat(40), 'utf8')
-  await assert.rejects(
-    resolveReadableFileForIpc(largePath, {
-      maxBytes: 8,
+      maxBytes: 256,
       purpose: 'File preview'
-    }),
-    /file is too large/
-  )
+    })
 
-  const envPath = path.join(tempDir, '.env')
-  fs.writeFileSync(envPath, 'SECRET_TOKEN=123', 'utf8')
-  await assert.rejects(
-    resolveReadableFileForIpc(envPath, {
+    assert.equal(fromRelative.resolvedPath, textPath)
+    assert.equal(fromRelative.stat.size, 11)
+
+    const fromFileUrl = await resolveReadableFileForIpc(pathToFileURL(textPath).toString(), {
       purpose: 'File preview'
-    }),
-    /blocked for sensitive file/
-  )
+    })
 
-  const envTemplatePath = path.join(tempDir, '.env.example')
-  fs.writeFileSync(envTemplatePath, 'EXAMPLE_TOKEN=value', 'utf8')
+    assert.equal(fromFileUrl.resolvedPath, textPath)
 
-  const envTemplate = await resolveReadableFileForIpc(envTemplatePath, {
-    purpose: 'File preview'
-  })
+    const spacedPath = path.join(tempDir, 'notes with spaces.txt')
+    fs.writeFileSync(spacedPath, 'space ok', 'utf8')
 
-  assert.equal(envTemplate.resolvedPath, envTemplatePath)
+    const fromSpacedFileUrl = await resolveReadableFileForIpc(pathToFileURL(spacedPath).toString(), {
+      purpose: 'File preview'
+    })
+
+    assert.equal(fromSpacedFileUrl.resolvedPath, spacedPath)
+
+    await assert.rejects(
+      resolveReadableFileForIpc('missing.txt', {
+        baseDir: tempDir,
+        purpose: 'Text preview'
+      }),
+      /file does not exist/
+    )
+
+    const nestedDir = path.join(tempDir, 'directory')
+    fs.mkdirSync(nestedDir)
+    await assert.rejects(
+      resolveReadableFileForIpc(nestedDir, {
+        purpose: 'Text preview'
+      }),
+      /path points to a directory/
+    )
+
+    const largePath = path.join(tempDir, 'large.txt')
+    fs.writeFileSync(largePath, 'x'.repeat(40), 'utf8')
+    await assert.rejects(
+      resolveReadableFileForIpc(largePath, {
+        maxBytes: 8,
+        purpose: 'File preview'
+      }),
+      /file is too large/
+    )
+
+    const envPath = path.join(tempDir, '.env')
+    fs.writeFileSync(envPath, 'SECRET_TOKEN=123', 'utf8')
+    await assert.rejects(
+      resolveReadableFileForIpc(envPath, {
+        purpose: 'File preview'
+      }),
+      /blocked for sensitive file/
+    )
+
+    const envTemplatePath = path.join(tempDir, '.env.example')
+    fs.writeFileSync(envTemplatePath, 'EXAMPLE_TOKEN=value', 'utf8')
+
+    const envTemplate = await resolveReadableFileForIpc(envTemplatePath, {
+      purpose: 'File preview'
+    })
+
+    assert.equal(envTemplate.resolvedPath, envTemplatePath)
+  } finally {
+    fs.rmSync(tempDir, { recursive: true, force: true })
+  }
 })
 
-test('resolveReadableFileForIpc blocks common sensitive files', async t => {
+test('resolveReadableFileForIpc blocks common sensitive files', async () => {
   const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'hermes-desktop-sensitive-'))
-  t.after(() => fs.rmSync(tempDir, { recursive: true, force: true }))
 
-  const sshDir = path.join(tempDir, '.ssh')
-  fs.mkdirSync(sshDir)
+  try {
+    const sshDir = path.join(tempDir, '.ssh')
+    fs.mkdirSync(sshDir)
 
-  const blockedFiles = [
-    path.join(tempDir, '.env'),
-    path.join(tempDir, '.npmrc'),
-    path.join(sshDir, 'id_ed25519'),
-    path.join(tempDir, 'cert.pem'),
-    path.join(tempDir, 'cert.p12'),
-    path.join(tempDir, 'cert.pfx')
-  ]
+    const blockedFiles = [
+      path.join(tempDir, '.env'),
+      path.join(tempDir, '.npmrc'),
+      path.join(sshDir, 'id_ed25519'),
+      path.join(tempDir, 'cert.pem'),
+      path.join(tempDir, 'cert.p12'),
+      path.join(tempDir, 'cert.pfx')
+    ]
 
-  for (const filePath of blockedFiles) {
-    fs.writeFileSync(filePath, 'secret', 'utf8')
-    await rejectsWithCode(resolveReadableFileForIpc(filePath, { purpose: 'File preview' }), 'sensitive-file')
+    for (const filePath of blockedFiles) {
+      fs.writeFileSync(filePath, 'secret', 'utf8')
+      await rejectsWithCode(resolveReadableFileForIpc(filePath, { purpose: 'File preview' }), 'sensitive-file')
+    }
+
+    const allowed = path.join(tempDir, '.env.example')
+    fs.writeFileSync(allowed, 'EXAMPLE_TOKEN=value', 'utf8')
+    assert.equal((await resolveReadableFileForIpc(allowed, { purpose: 'File preview' })).resolvedPath, allowed)
+  } finally {
+    fs.rmSync(tempDir, { recursive: true, force: true })
   }
-
-  const allowed = path.join(tempDir, '.env.example')
-  fs.writeFileSync(allowed, 'EXAMPLE_TOKEN=value', 'utf8')
-  assert.equal((await resolveReadableFileForIpc(allowed, { purpose: 'File preview' })).resolvedPath, allowed)
 })
 
-test('resolveReadableFileForIpc blocks symlinks whose realpath is sensitive', async t => {
+test('resolveReadableFileForIpc blocks symlinks whose realpath is sensitive', async () => {
   const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'hermes-desktop-realpath-'))
-  t.after(() => fs.rmSync(tempDir, { recursive: true, force: true }))
-
-  const envPath = path.join(tempDir, '.env')
-  const linkPath = path.join(tempDir, 'safe-name.txt')
-  fs.writeFileSync(envPath, 'SECRET_TOKEN=123', 'utf8')
 
   try {
-    fs.symlinkSync(envPath, linkPath, 'file')
-  } catch (error) {
-    if (error?.code === 'EPERM' || error?.code === 'EACCES') {
-      t.skip(`symlink creation is not permitted on this platform (${error.code})`)
+    const envPath = path.join(tempDir, '.env')
+    const linkPath = path.join(tempDir, 'safe-name.txt')
+    fs.writeFileSync(envPath, 'SECRET_TOKEN=123', 'utf8')
 
-      return
+    try {
+      fs.symlinkSync(envPath, linkPath, 'file')
+    } catch (error) {
+      if (error?.code === 'EPERM' || error?.code === 'EACCES') {
+        // symlink creation is not permitted on this platform — skip
+        return
+      }
+
+      throw error
     }
 
-    throw error
+    await rejectsWithCode(resolveReadableFileForIpc(linkPath, { purpose: 'File preview' }), 'sensitive-file')
+  } finally {
+    fs.rmSync(tempDir, { recursive: true, force: true })
   }
-
-  await rejectsWithCode(resolveReadableFileForIpc(linkPath, { purpose: 'File preview' }), 'sensitive-file')
 })
 
-test('resolveDirectoryForIpc accepts directories and rejects invalid directory targets', async t => {
+test('resolveDirectoryForIpc accepts directories and rejects invalid directory targets', async () => {
   const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'hermes-desktop-dir-'))
-  t.after(() => fs.rmSync(tempDir, { recursive: true, force: true }))
-
-  const directory = path.join(tempDir, 'project')
-  const filePath = path.join(tempDir, 'file.txt')
-  fs.mkdirSync(directory)
-  fs.writeFileSync(filePath, 'not a directory', 'utf8')
-
-  const resolved = await resolveDirectoryForIpc(directory)
-  assert.equal(resolved.resolvedPath, directory)
-  assert.equal(resolved.stat.isDirectory(), true)
-
-  await rejectsWithCode(resolveDirectoryForIpc(filePath), 'ENOTDIR')
-  await rejectsWithCode(resolveDirectoryForIpc(path.join(tempDir, 'missing')), 'ENOENT')
-  await rejectsWithCode(resolveDirectoryForIpc('\\\\?\\C:\\secret'), 'device-path')
-})
-
-test('resolveDirectoryForIpc accepts directory symlinks or junctions', async t => {
-  const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'hermes-desktop-dir-link-'))
-  t.after(() => fs.rmSync(tempDir, { recursive: true, force: true }))
-
-  const directory = path.join(tempDir, 'actual-project')
-  const linkPath = path.join(tempDir, 'linked-project')
-  fs.mkdirSync(directory)
 
   try {
-    fs.symlinkSync(directory, linkPath, process.platform === 'win32' ? 'junction' : 'dir')
-  } catch (error) {
-    if (error?.code === 'EPERM' || error?.code === 'EACCES') {
-      t.skip(`directory symlink creation is not permitted on this platform (${error.code})`)
+    const directory = path.join(tempDir, 'project')
+    const filePath = path.join(tempDir, 'file.txt')
+    fs.mkdirSync(directory)
+    fs.writeFileSync(filePath, 'not a directory', 'utf8')
 
-      return
+    const resolved = await resolveDirectoryForIpc(directory)
+    assert.equal(resolved.resolvedPath, directory)
+    assert.equal(resolved.stat.isDirectory(), true)
+
+    await rejectsWithCode(resolveDirectoryForIpc(filePath), 'ENOTDIR')
+    await rejectsWithCode(resolveDirectoryForIpc(path.join(tempDir, 'missing')), 'ENOENT')
+    await rejectsWithCode(resolveDirectoryForIpc('\\\\?\\C:\\secret'), 'device-path')
+  } finally {
+    fs.rmSync(tempDir, { recursive: true, force: true })
+  }
+})
+
+test('resolveDirectoryForIpc accepts directory symlinks or junctions', async () => {
+  const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'hermes-desktop-dir-link-'))
+
+  try {
+    const directory = path.join(tempDir, 'actual-project')
+    const linkPath = path.join(tempDir, 'linked-project')
+    fs.mkdirSync(directory)
+
+    try {
+      fs.symlinkSync(directory, linkPath, process.platform === 'win32' ? 'junction' : 'dir')
+    } catch (error) {
+      if (error?.code === 'EPERM' || error?.code === 'EACCES') {
+        // directory symlink creation is not permitted on this platform — skip
+        return
+      }
+
+      throw error
     }
 
-    throw error
+    const resolved = await resolveDirectoryForIpc(linkPath)
+    assert.equal(resolved.resolvedPath, linkPath)
+    assert.equal(resolved.stat.isDirectory(), true)
+  } finally {
+    fs.rmSync(tempDir, { recursive: true, force: true })
   }
-
-  const resolved = await resolveDirectoryForIpc(linkPath)
-  assert.equal(resolved.resolvedPath, linkPath)
-  assert.equal(resolved.stat.isDirectory(), true)
 })

apps/desktop/electron/link-title-window.test.ts

@@ -1,5 +1,6 @@
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import {
   createLinkTitleWindow,

apps/desktop/electron/oauth-net-request.test.ts

@@ -5,7 +5,8 @@
  */
 
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import { serializeJsonBody, setJsonRequestHeaders } from './oauth-net-request'
 

apps/desktop/electron/profile-delete-routing.test.ts

@@ -1,5 +1,6 @@
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import { decideProfileDeleteAction, profileNameFromDeleteRequest, resolveRouteProfile } from './profile-delete-routing'
 

apps/desktop/electron/session-windows.test.ts

@@ -1,5 +1,6 @@
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import { buildSessionWindowUrl, chatWindowWebPreferences, createSessionWindowRegistry } from './session-windows'
 

apps/desktop/electron/titlebar-overlay-width.test.ts

@@ -1,5 +1,6 @@
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import {
   MACOS_TAHOE_DARWIN_MAJOR,

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

@@ -1,5 +1,6 @@
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import { resolveBehindCount, shouldCountCommits } from './update-count'
 

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

@@ -14,10 +14,11 @@
 
 import fs from 'fs'
 import assert from 'node:assert/strict'
-import test from 'node:test'
 import os from 'os'
 import path from 'path'
 
+import { test } from 'vitest'
+
 import {
   isPidAlive,
   markerPath,

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

@@ -13,7 +13,8 @@
  */
 
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import { runRebuildWithRetry, shouldRetryRebuild } from './update-rebuild'
 

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

@@ -22,7 +22,8 @@ import { execFileSync } from 'node:child_process'
 import fs from 'node:fs'
 import os from 'node:os'
 import path from 'node:path'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import {
   buildRelaunchScript,

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

@@ -16,7 +16,8 @@
  */
 
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import {
   canonicalGitHubRemote,

apps/desktop/electron/vscode-marketplace.test.ts

@@ -1,5 +1,6 @@
 import assert from 'node:assert'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import { __testing, extractThemes, readCentralDirectory } from './vscode-marketplace'
 

apps/desktop/electron/window-state.test.ts

@@ -5,7 +5,8 @@
  */
 
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test, vi } from 'vitest'
 
 import {
   computeWindowOptions,
@@ -118,8 +119,8 @@ test('computeWindowOptions does not clamp when displays are unknown', () => {
 
 // ─── debounce ──────────────────────────────────────────────────────────────
 
-test('debounce coalesces a burst into one trailing run', t => {
-  t.mock.timers.enable({ apis: ['setTimeout'] })
+test('debounce coalesces a burst into one trailing run', () => {
+  vi.useFakeTimers()
   let calls = 0
 
   const d = debounce(() => {
@@ -130,14 +131,16 @@ test('debounce coalesces a burst into one trailing run', t => {
   d()
   d()
   assert.equal(calls, 0)
-  t.mock.timers.tick(249)
+  vi.advanceTimersByTime(249)
   assert.equal(calls, 0)
-  t.mock.timers.tick(1)
+  vi.advanceTimersByTime(1)
   assert.equal(calls, 1)
+
+  vi.useRealTimers()
 })
 
-test('debounce.flush runs now and cancels the pending timer', t => {
-  t.mock.timers.enable({ apis: ['setTimeout'] })
+test('debounce.flush runs now and cancels the pending timer', () => {
+  vi.useFakeTimers()
   let calls = 0
 
   const d = debounce(() => {
@@ -147,6 +150,8 @@ test('debounce.flush runs now and cancels the pending timer', t => {
   d()
   d.flush()
   assert.equal(calls, 1)
-  t.mock.timers.tick(1000)
+  vi.advanceTimersByTime(1000)
   assert.equal(calls, 1)
+
+  vi.useRealTimers()
 })

apps/desktop/electron/windows-child-options.test.ts

@@ -1,5 +1,6 @@
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import { stopBackendChild } from './backend-child'
 import { hiddenWindowsChildOptions } from './windows-child-options'

apps/desktop/electron/windows-child-process.test.ts

@@ -1,7 +1,7 @@
 import assert from 'node:assert/strict'
 import fs from 'node:fs'
 import path from 'node:path'
-import test from 'node:test'
+import { test } from 'vitest'
 import { fileURLToPath } from 'node:url'
 
 const ELECTRON_DIR = path.dirname(fileURLToPath(import.meta.url))

apps/desktop/electron/windows-hermes-path.test.ts

@@ -13,7 +13,7 @@
 //      re-selected forever instead of falling through to bootstrap.
 
 import assert from 'node:assert/strict'
-import test from 'node:test'
+import { test } from 'vitest'
 
 import { buildPathExtCandidates, chooseUpdaterArgs, resolveVenvHermesCommand } from './windows-hermes-path'
 

apps/desktop/electron/windows-user-env.test.ts

@@ -1,5 +1,6 @@
 import assert from 'node:assert/strict'
-import { test } from 'node:test'
+
+import { test } from 'vitest'
 
 import { expandWindowsEnvRefs, parseRegQueryValue, readWindowsUserEnvVar } from './windows-user-env'
 

apps/desktop/electron/workspace-cwd.test.ts

@@ -6,7 +6,8 @@
 
 import assert from 'node:assert/strict'
 import path from 'node:path'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import { isPackagedInstallPath } from './workspace-cwd'
 

apps/desktop/electron/wsl-clipboard-image.test.ts

@@ -1,5 +1,6 @@
 import assert from 'node:assert/strict'
-import test from 'node:test'
+
+import { test } from 'vitest'
 
 import {
   decodeClipboardImageBase64,

apps/desktop/electron/wsl-path-bridge.test.ts

@@ -1,5 +1,5 @@
 import assert from 'node:assert/strict'
-import test from 'node:test'
+import { test } from 'vitest'
 
 import { parseDefaultDistro, resolvePickerDefaultPath, wslPosixToWindowsAccessible } from './wsl-path-bridge'
 

apps/desktop/electron/zoom.test.ts

@@ -7,7 +7,7 @@
 import assert from 'node:assert/strict'
 import fs from 'node:fs'
 import path from 'node:path'
-import test from 'node:test'
+import { test } from 'vitest'
 import { fileURLToPath } from 'node:url'
 
 import {

apps/desktop/package.json

@@ -38,15 +38,16 @@
     "test:desktop:nsis": "node scripts/test-desktop.mjs nsis",
     "test:desktop:existing": "node scripts/test-desktop.mjs existing",
     "test:desktop:fresh": "node scripts/test-desktop.mjs fresh",
-    "test:desktop:platforms": "node --test electron/bootstrap-platform.test.ts electron/hardening.test.ts electron/backend-env.test.ts electron/backend-probes.test.ts electron/backend-ready.test.ts electron/bootstrap-runner.test.ts electron/connection-config.test.ts electron/dashboard-token.test.ts electron/gateway-ws-probe.test.ts electron/oauth-net-request.test.ts electron/desktop-uninstall.test.ts electron/session-windows.test.ts electron/profile-delete-routing.test.ts electron/link-title-window.test.ts electron/workspace-cwd.test.ts electron/fs-read-dir.test.ts electron/git-root.test.ts electron/git-worktree-ops.test.ts electron/windows-child-options.test.ts electron/update-remote.test.ts electron/update-count.test.ts electron/update-rebuild.test.ts electron/update-marker.test.ts electron/update-relaunch.test.ts electron/windows-user-env.test.ts electron/wsl-clipboard-image.test.ts electron/titlebar-overlay-width.test.ts electron/window-state.test.ts electron/zoom.test.ts electron/windows-hermes-path.test.ts",
     "typecheck": "tsc -p . --noEmit && tsc -p tsconfig.electron.json --noEmit",
     "lint": "eslint src/ electron/",
     "lint:fix": "eslint src/ electron/ --fix",
     "fmt": "prettier --write 'src/**/*.{ts,tsx}' 'electron/**/*.ts' 'vite.config.ts'",
     "fix": "npm run lint:fix && npm run fmt",
-    "test:ui": "vitest run",
-    "check": "npm run typecheck && npm run test:ui && npm run test:desktop:all && npm run build"
+    "test:ui": "vitest run --project ui",
+    "test:desktop:platforms": "vitest run --project electron",
+    "test": "vitest run",
     "preview": "node scripts/assert-root-install.mjs && vite preview --host 127.0.0.1 --port 4174",
+    "check": "npm run typecheck && npm run test && npm run test:desktop:all && npm run build"
   },
   "dependencies": {
     "@assistant-ui/react": "^0.12.28",

apps/desktop/vitest.config.ts

@@ -1,19 +1,28 @@
-import { defineConfig } from "vitest/config";
-import react from "@vitejs/plugin-react";
-import path from "path";
+import { defineConfig, TestProjectConfiguration } from 'vitest/config'
+import react from '@vitejs/plugin-react'
+import path from 'path'
+
+const reactUi: TestProjectConfiguration = {
+  extends: './vite.config.ts',
+  test: {
+    name: 'ui',
+    environment: 'jsdom',
+    setupFiles: ['./vitest.setup.ts'],
+    include: ['src/**/*.test.{ts,tsx}'],
+    globals: true
+  }
+}
+
+const electronNative: TestProjectConfiguration = {
+  test: {
+    name: 'electron',
+    environment: 'node',
+    include: ['electron/**/*.test.ts']
+  }
+}
 
 export default defineConfig({
-  plugins: [react()],
-  resolve: {
-    alias: {
-      "@": path.resolve(__dirname, "./src"),
-    },
-  },
   test: {
-    environment: "jsdom",
-    setupFiles: ["./vitest.setup.ts"],
-    include: ["src/**/*.test.{ts,tsx}"],
-    globals: true
-  },
-  
-});
+    projects: [reactUi, electronNative]
+  }
+})