diff --git a/apps/desktop/electron/backend-health.test.ts b/apps/desktop/electron/backend-health.test.ts
index d1dd26815e..a23ba5a73b 100644
--- a/apps/desktop/electron/backend-health.test.ts
+++ b/apps/desktop/electron/backend-health.test.ts
@@ -372,7 +372,7 @@ test('isServerSideHttpError detects 502/503/504', () => {
   // Non-HTTP errors (timeouts, network failures) don't match the pattern
   assert.equal(isServerSideHttpError(new Error('connect ECONNREFUSED')), null)
   assert.equal(isServerSideHttpError(null), null)
-  assert.equal(isServerSideHttpError('503: something'), null)  // not an Error
+  assert.equal(isServerSideHttpError('503: something'), null) // not an Error
 })
 
 test('isNousCloudAgentUrl detects cloud agent hosts', () => {
@@ -504,10 +504,7 @@ test('makeNousCloudBackendDownError produces the Cloud shape and preserves cause
 test('makeNousCloudBackendDownError returns null for a Cloud 401 (routes to reauth)', () => {
   const err = new Error('Unauthorized') as any
   err.statusCode = 401
-  assert.equal(
-    makeNousCloudBackendDownError('https://ares-3009.agents.nousresearch.com', err),
-    null
-  )
+  assert.equal(makeNousCloudBackendDownError('https://ares-3009.agents.nousresearch.com', err), null)
 })
 
 test('makeNousCloudBackendDownError returns null for a non-Cloud 503 (generic remote failure)', () => {
diff --git a/apps/desktop/electron/connection-config.test.ts b/apps/desktop/electron/connection-config.test.ts
index b547889797..36a042c6d3 100644
--- a/apps/desktop/electron/connection-config.test.ts
+++ b/apps/desktop/electron/connection-config.test.ts
@@ -1173,11 +1173,7 @@ test('gatewayTicketFailure preserves a structured 503 statusCode as a transport
   const source = new Error('upstream unavailable') as any
   source.statusCode = 503
 
-  const wrapped = gatewayTicketFailure(
-    source,
-    'auth message',
-    'transport message'
-  )
+  const wrapped = gatewayTicketFailure(source, 'auth message', 'transport message')
 
   assert.equal(wrapped.message, 'transport message')
   assert.equal((wrapped as any).statusCode, 503)
@@ -1190,11 +1186,7 @@ test('gatewayTicketFailure keeps 401 and 403 as reauth with needsOauthLogin', ()
     const source = new Error(`HTTP ${code}`) as any
     source.statusCode = code
 
-    const wrapped = gatewayTicketFailure(
-      source,
-      'auth message',
-      'transport message'
-    )
+    const wrapped = gatewayTicketFailure(source, 'auth message', 'transport message')
 
     assert.equal(wrapped.message, 'auth message')
     assert.equal((wrapped as any).needsOauthLogin, true)
@@ -1209,11 +1201,7 @@ test('gatewayTicketFailure only copies an integer statusCode, not a message pref
   // boundary. The wrapper must not invent an integer from the message.
   const source = new Error('503: Service Unavailable') as any
 
-  const wrapped = gatewayTicketFailure(
-    source,
-    'auth message',
-    'transport message'
-  )
+  const wrapped = gatewayTicketFailure(source, 'auth message', 'transport message')
 
   assert.equal((wrapped as any).statusCode, undefined)
   assert.equal((wrapped as any).needsOauthLogin, undefined)
@@ -1241,11 +1229,7 @@ test('OAuth ticket-mint 503 surfaces the Cloud-down error (startup boundary)', (
     return
   }
 
-  const wrapped = gatewayTicketFailure(
-    ticketErr,
-    'auth',
-    'transport'
-  )
+  const wrapped = gatewayTicketFailure(ticketErr, 'auth', 'transport')
 
   assert.fail(`expected Cloud-down classification, got wrapper: ${wrapped.message}`)
 })
@@ -1258,11 +1242,7 @@ test('OAuth ticket-mint 401 stays on the reauth path (never Cloud-down)', () =>
   const cloudError = makeNousCloudBackendDownError(baseUrl, ticketErr)
   assert.equal(cloudError, null, 'a 401 must not become a Cloud-down error')
 
-  const wrapped = gatewayTicketFailure(
-    ticketErr,
-    'auth message',
-    'transport message'
-  )
+  const wrapped = gatewayTicketFailure(ticketErr, 'auth message', 'transport message')
 
   assert.equal(wrapped.message, 'auth message')
   assert.equal((wrapped as any).needsOauthLogin, true)
diff --git a/apps/desktop/electron/main.ts b/apps/desktop/electron/main.ts
index c7b3025bf6..e3087bdcb9 100644
--- a/apps/desktop/electron/main.ts
+++ b/apps/desktop/electron/main.ts
@@ -10911,8 +10911,7 @@ async function startHermes() {
     // boundary when present, so the renderer overlay can key on it rather than
     // re-classifying the message string. main owns classification; the renderer
     // only consumes the structured result (#85335).
-    const isCloudBackendDown =
-      Boolean(error && typeof error === 'object' && (error as any).isCloudBackendDown === true)
+    const isCloudBackendDown = Boolean(error && typeof error === 'object' && (error as any).isCloudBackendDown === true)
 
     const statusCode = Number(
       error && typeof error === 'object' && Number.isInteger((error as any).statusCode)
diff --git a/apps/desktop/src/components/assistant-ui/thread/assistant-message.tsx b/apps/desktop/src/components/assistant-ui/thread/assistant-message.tsx
index e13be5488c..84bc87c475 100644
--- a/apps/desktop/src/components/assistant-ui/thread/assistant-message.tsx
+++ b/apps/desktop/src/components/assistant-ui/thread/assistant-message.tsx
@@ -554,7 +554,12 @@ const ErrorRecoveryActions: FC = () => {
           {remoteConnection ? copy.errorOpenDesktopLogs : copy.errorOpenLogs}
         </button>
       )}
-      <CopyButton appearance="inline" className="aui-error-action" label={copy.errorCopyDiagnostics} text={diagnosticsText} />
+      <CopyButton
+        appearance="inline"
+        className="aui-error-action"
+        label={copy.errorCopyDiagnostics}
+        text={diagnosticsText}
+      />
     </div>
   )
 }
diff --git a/apps/desktop/src/i18n/ar.ts b/apps/desktop/src/i18n/ar.ts
index e029b9f1bf..a30db33914 100644
--- a/apps/desktop/src/i18n/ar.ts
+++ b/apps/desktop/src/i18n/ar.ts
@@ -86,7 +86,8 @@ export const ar = defineLocale({
       repairInstall: 'إصلاح التثبيت',
       useLocalGateway: 'استخدام البوابة المحلية',
       cloudDownTitle: 'عامل Nous Cloud معطّل',
-      cloudDownDescription: 'يعيد عامل السحابة المُدار من Nous الذي يتصل به هذا البوابة خطأً من الخادم. لا يمكن إعادة تشغيله من هنا — تحقق من حالته، أو بدّل إلى البوابة المحلية، أو احصل على الدعم.',
+      cloudDownDescription:
+        'يعيد عامل السحابة المُدار من Nous الذي يتصل به هذا البوابة خطأً من الخادم. لا يمكن إعادة تشغيله من هنا — تحقق من حالته، أو بدّل إلى البوابة المحلية، أو احصل على الدعم.',
       cloudDownHint: 'تفتح الأزرار أدناه بوابة Nous (حالة المثيل وعناصر التحكم) أو Discord للحصول على الدعم.',
       cloudDownCheckPortal: 'التحقق من حالة البوابة',
       cloudDownDiscord: 'الحصول على مساعدة عبر Discord',
diff --git a/apps/desktop/src/i18n/zh-hant.ts b/apps/desktop/src/i18n/zh-hant.ts
index 9178997e1e..593ab6bdb4 100644
--- a/apps/desktop/src/i18n/zh-hant.ts
+++ b/apps/desktop/src/i18n/zh-hant.ts
@@ -101,7 +101,8 @@ export const zhHant = defineLocale({
       signOutAndSignIn: '登出並重新登入',
       remoteFailureHint: '在「閘道設定」中檢查閘道 URL 與登入，或切換至本機閘道。',
       cloudDownTitle: 'Nous Cloud 代理已停機',
-      cloudDownDescription: '此閘道連線的 Nous 託管雲端代理正在回傳伺服器錯誤。無法在此處重新啟動——請檢查其狀態、切換至本機閘道，或取得支援。',
+      cloudDownDescription:
+        '此閘道連線的 Nous 託管雲端代理正在回傳伺服器錯誤。無法在此處重新啟動——請檢查其狀態、切換至本機閘道，或取得支援。',
       cloudDownHint: '使用下方按鈕開啟 Nous Portal（檢視執行個體狀態與操作）或加入 Discord 取得支援。',
       cloudDownCheckPortal: '查看 Portal 狀態',
       cloudDownDiscord: '在 Discord 取得協助',
diff --git a/apps/desktop/src/i18n/zh.ts b/apps/desktop/src/i18n/zh.ts
index 5423d13af8..4fa78ec6a0 100644
--- a/apps/desktop/src/i18n/zh.ts
+++ b/apps/desktop/src/i18n/zh.ts
@@ -101,7 +101,8 @@ export const zh: Translations = {
       signOutAndSignIn: '退出并重新登录',
       remoteFailureHint: '在“网关设置”中检查网关 URL 和登录，或切换到本地网关。',
       cloudDownTitle: 'Nous Cloud 代理已宕机',
-      cloudDownDescription: '此网关连接的 Nous 托管云代理正在返回服务器错误。无法在此处重启——请检查其状态、切换到本地网关或获取支持。',
+      cloudDownDescription:
+        '此网关连接的 Nous 托管云代理正在返回服务器错误。无法在此处重启——请检查其状态、切换到本地网关或获取支持。',
       cloudDownHint: '使用下方按钮打开 Nous Portal（查看实例状态与操作）或加入 Discord 获取支持。',
       cloudDownCheckPortal: '查看 Portal 状态',
       cloudDownDiscord: '在 Discord 获取帮助',
diff --git a/apps/desktop/src/lib/selection-copy-colors.test.ts b/apps/desktop/src/lib/selection-copy-colors.test.ts
index 54e3d4f3f1..a7ceab5e2e 100644
--- a/apps/desktop/src/lib/selection-copy-colors.test.ts
+++ b/apps/desktop/src/lib/selection-copy-colors.test.ts
@@ -7,7 +7,11 @@ import {
   textColorLuma
 } from './selection-copy-colors'
 
-function makeCopyEvent(): { event: ClipboardEvent; setData: ReturnType<typeof vi.fn>; preventDefault: ReturnType<typeof vi.fn> } {
+function makeCopyEvent(): {
+  event: ClipboardEvent
+  setData: ReturnType<typeof vi.fn>
+  preventDefault: ReturnType<typeof vi.fn>
+} {
   const event = new Event('copy', { bubbles: true, cancelable: true }) as ClipboardEvent
   const setData = vi.fn()
   const preventDefault = vi.fn()
@@ -160,7 +164,9 @@ describe('serializeSelectionStructure', () => {
   })
 
   it('anchors a generic sans family so rich-text receivers keep their own font', () => {
-    const host = armSelection('<p style="color: rgb(230, 237, 243); font-family: -apple-system, sans-serif">plain prose</p>')
+    const host = armSelection(
+      '<p style="color: rgb(230, 237, 243); font-family: -apple-system, sans-serif">plain prose</p>'
+    )
     const html = serializeSelectionStructure(window.getSelection()!, document)
 
     // Generic family on the wrapper: resolves to each platform's own face,
diff --git a/apps/desktop/src/lib/selection-copy-colors.ts b/apps/desktop/src/lib/selection-copy-colors.ts
index de9d63b9a4..944c4073ed 100644
--- a/apps/desktop/src/lib/selection-copy-colors.ts
+++ b/apps/desktop/src/lib/selection-copy-colors.ts
@@ -43,8 +43,7 @@ const srgbChannelValue = (raw: string): number => {
   return v.endsWith('%') ? (Number.parseFloat(v) / 100) * 255 : Number.parseFloat(v) * 255
 }
 
-const alphaValue = (raw: string): number =>
-  raw.endsWith('%') ? Number.parseFloat(raw) / 100 : Number.parseFloat(raw)
+const alphaValue = (raw: string): number => (raw.endsWith('%') ? Number.parseFloat(raw) / 100 : Number.parseFloat(raw))
 
 function expandHex(hex: string): [number, number, number, number] | null {
   const h = hex.slice(1)
@@ -175,7 +174,10 @@ export function selectionInkLuma(sel: Selection, doc: Document): number | null {
   for (let i = 0; i < sel.rangeCount && lumas.length < MAX_PROBE_NODES; i++) {
     const range = sel.getRangeAt(i)
     const root = range.commonAncestorContainer
-    const walker = doc.createTreeWalker(root.nodeType === 1 ? root : root.parentElement ?? doc.body, NodeFilter.SHOW_TEXT)
+    const walker = doc.createTreeWalker(
+      root.nodeType === 1 ? root : (root.parentElement ?? doc.body),
+      NodeFilter.SHOW_TEXT
+    )
 
     let node = walker.nextNode()