@@ -162,11 +162,20 @@ function ResultField({
   value: unknown;
   defaultFormat?: FieldFormat;
 }) {
-  const { language } = useObjectTranslation();
+  const { t, language } = useObjectTranslation();
   const format: FieldFormat = field.format ?? defaultFormat ?? 'json';
   // Same `I18nLabel` contract as the dialog's own three label members, same
   // resolution — a field label is the fourth member the block declares as one.
   const label = resolveInlineI18nLabel(field.label, language);
+  // The accessible name of this field's icon-only copy buttons: the field's
+  // label when it has one, so two fields' buttons are told apart by name.
+  const copyName = label
+    ? t('actions.resultDialog.copyField', { label })
+    : t('actions.resultDialog.copyValue');
+  const copyItemName = (index: number) =>
+    label
+      ? t('actions.resultDialog.copyFieldItem', { label, index })
+      : t('actions.resultDialog.copyItem', { index });
 
   // Type-guard each renderer rather than crash if the server returned an
   // unexpected shape (e.g. format=qrcode but value is undefined). We
@@ -183,11 +192,13 @@ function ResultField({
       {label ? (
         <div className="text-sm font-medium text-foreground/80">{label}</div>
       ) : null}
-      {safeFormat === 'qrcode' ? <QrcodeBlock value={value as string} /> : null}
-      {safeFormat === 'code-list' ? <CodeListBlock value={value as string[]} /> : null}
-      {safeFormat === 'secret' ? <SecretBlock value={value as string} /> : null}
-      {safeFormat === 'text' ? <TextBlock value={value as string} /> : null}
-      {safeFormat === 'json' ? <JsonBlock value={value} /> : null}
+      {safeFormat === 'qrcode' ? <QrcodeBlock value={value as string} copyName={copyName} /> : null}
+      {safeFormat === 'code-list' ? (
+        <CodeListBlock value={value as string[]} copyItemName={copyItemName} />
+      ) : null}
+      {safeFormat === 'secret' ? <SecretBlock value={value as string} copyName={copyName} /> : null}
+      {safeFormat === 'text' ? <TextBlock value={value as string} copyName={copyName} /> : null}
+      {safeFormat === 'json' ? <JsonBlock value={value} copyName={copyName} /> : null}
     </div>
   );
 }
@@ -212,17 +223,33 @@ function useCopy(value: string | undefined) {
   return { copy, copied };
 }
 
-function CopyButton({ value, label }: { value: string | undefined; label?: string }) {
+/**
+ * A copy button. With a visible `label` that text is its accessible name;
+ * an icon-only button takes `name` as its `aria-label` instead. The copied
+ * state is announced through a polite live region, mounted empty before it
+ * fills — a region inserted together with its text is not reliably read.
+ */
+function CopyButton({
+  value,
+  label,
+  name,
+}: { value: string | undefined } & ({ label: string; name?: never } | { label?: never; name: string })) {
+  const { t } = useObjectTranslation();
   const { copy, copied } = useCopy(value);
   return (
-    <Button type="button" variant="outline" size="sm" onClick={copy}>
-      {copied ? <Check className="w-4 h-4" /> : <Copy className="w-4 h-4" />}
-      {label ? <span className="ml-2">{label}</span> : null}
-    </Button>
+    <>
+      <Button type="button" variant="outline" size="sm" onClick={copy} aria-label={label ? undefined : name}>
+        {copied ? <Check className="w-4 h-4" aria-hidden="true" /> : <Copy className="w-4 h-4" aria-hidden="true" />}
+        {label ? <span className="ml-2">{label}</span> : null}
+      </Button>
+      <span role="status" className="sr-only">
+        {copied ? t('actions.resultDialog.copied') : ''}
+      </span>
+    </>
   );
 }
 
-function QrcodeBlock({ value }: { value: string }) {
+function QrcodeBlock({ value, copyName }: { value: string; copyName: string }) {
   // QR codes for 2FA carry the shared secret. Render entirely client-side
   // (toCanvas writes into a local <canvas>) — never round-trip to a third
   // party. Falls back to plaintext if rendering fails (e.g. value too long
@@ -247,13 +274,19 @@ function QrcodeBlock({ value }: { value: string }) {
         <code className="flex-1 truncate rounded bg-muted px-2 py-1 text-xs font-mono">
           {value}
         </code>
-        <CopyButton value={value} />
+        <CopyButton value={value} name={copyName} />
       </div>
     </div>
   );
 }
 
-function CodeListBlock({ value }: { value: string[] }) {
+function CodeListBlock({
+  value,
+  copyItemName,
+}: {
+  value: string[];
+  copyItemName: (index: number) => string;
+}) {
   const { t } = useObjectTranslation();
   const joined = value.join('\n');
   return (
@@ -265,7 +298,7 @@ function CodeListBlock({ value }: { value: string[] }) {
               <code className="flex-1 rounded bg-background px-2 py-1 text-sm font-mono">
                 {code}
               </code>
-              <CopyButton value={code} />
+              <CopyButton value={code} name={copyItemName(i + 1)} />
             </li>
           ))}
         </ul>
@@ -277,7 +310,7 @@ function CodeListBlock({ value }: { value: string[] }) {
   );
 }
 
-function SecretBlock({ value }: { value: string }) {
+function SecretBlock({ value, copyName }: { value: string; copyName: string }) {
   const { t } = useObjectTranslation();
   const [revealed, setRevealed] = useState(false);
   return (
@@ -294,23 +327,23 @@ function SecretBlock({ value }: { value: string }) {
       >
         {revealed ? <EyeOff className="w-4 h-4" /> : <Eye className="w-4 h-4" />}
       </Button>
-      <CopyButton value={value} />
+      <CopyButton value={value} name={copyName} />
     </div>
   );
 }
 
-function TextBlock({ value }: { value: string }) {
+function TextBlock({ value, copyName }: { value: string; copyName: string }) {
   return (
     <div className="flex items-center gap-2">
       <code className="flex-1 rounded bg-muted px-2 py-1 text-sm font-mono break-all">
         {value}
       </code>
-      <CopyButton value={value} />
+      <CopyButton value={value} name={copyName} />
     </div>
   );
 }
 
-function JsonBlock({ value }: { value: unknown }) {
+function JsonBlock({ value, copyName }: { value: unknown; copyName: string }) {
   const text = useMemo(() => {
     try {
       return JSON.stringify(value, null, 2);
@@ -324,7 +357,7 @@ function JsonBlock({ value }: { value: unknown }) {
         {text}
       </pre>
       <div className="flex justify-end">
-        <CopyButton value={text} />
+        <CopyButton value={text} name={copyName} />
       </div>
     </div>
   );
 
@@ -1,7 +1,7 @@
 // Copyright (c) 2026 ObjectStack. Licensed under the Apache-2.0 license.
 
 import { describe, it, expect, vi } from 'vitest';
-import { render, screen } from '@testing-library/react';
+import { render, screen, fireEvent, act, within } from '@testing-library/react';
 import type { ResultDialogSpec } from '@object-ui/core';
 import { ActionResultDialog } from '../ActionResultDialog';
 
@@ -17,7 +17,15 @@ vi.mock('@object-ui/i18n', async (importOriginal) => ({
   // `language` is the source every other `resolveI18nLabel` caller in this
   // package threads (`UnifiedSidebar`, `resolveActionParams`, and
   // metadata-admin's `useMetadataLocale`), so the stub carries it too.
-  useObjectTranslation: () => ({ t: (key: string) => key, language: i18nState.language }),
+  // Interpolation params are echoed after the key, so a name built from a
+  // field label shows which label reached it.
+  useObjectTranslation: () => ({
+    t: (key: string, params?: Record<string, unknown>) =>
+      params
+        ? `${key}(${Object.entries(params).map(([k, v]) => `${k}=${String(v)}`).join(', ')})`
+        : key,
+    language: i18nState.language,
+  }),
 }));
 // jsdom has no canvas; the qrcode path is not under test.
 vi.mock('qrcode', () => ({ toCanvas: vi.fn() }));
@@ -131,3 +139,103 @@ describe('ActionResultDialog — an inline per-locale map resolves against the d
     expect(screen.getByText('actions.resultDialog.defaultTitle')).toBeInTheDocument();
   });
 });
+
+/**
+ * objectstack#28186 — the copy buttons are icon-only, so each one carries an
+ * accessible name built from its field's label, and the copied state is
+ * announced through a polite live region. The names are read the way a
+ * screen-reader or voice-control user reaches the buttons: by role and name.
+ */
+describe('ActionResultDialog — every copy button has an accessible name', () => {
+  it('names each field\'s copy button after the field label', () => {
+    i18nState.language = 'en';
+    open(
+      {
+        title: 'User Created',
+        fields: [
+          { path: 'user.email', label: 'Email', format: 'text' },
+          { path: 'temporaryPassword', label: 'Temporary Password', format: 'secret' },
+          { path: 'link', label: 'Invite link', format: 'qrcode' },
+          { path: 'meta', label: 'Response', format: 'json' },
+        ],
+      },
+      { user: { email: 'a@example.com' }, temporaryPassword: 'p@ss', link: 'https://x.test/i/1', meta: { id: 1 } },
+    );
+
+    for (const label of ['Email', 'Temporary Password', 'Invite link', 'Response']) {
+      expect(
+        screen.getByRole('button', { name: `actions.resultDialog.copyField(label=${label})` }),
+      ).toBeInTheDocument();
+    }
+  });
+
+  it('names an unlabelled value\'s copy button generically', () => {
+    i18nState.language = 'en';
+    open({ title: 'Done' }, { anything: 1 });
+
+    expect(screen.getByRole('button', { name: 'actions.resultDialog.copyValue' })).toBeInTheDocument();
+  });
+
+  it('names each code of a code list by its position, and keeps the visible name of Copy all', () => {
+    i18nState.language = 'en';
+    open(
+      { title: 'Backup codes', fields: [{ path: 'codes', label: 'Backup codes', format: 'code-list' }] },
+      { codes: ['aaaa-1111', 'bbbb-2222'] },
+    );
+
+    expect(
+      screen.getByRole('button', { name: 'actions.resultDialog.copyFieldItem(label=Backup codes, index=1)' }),
+    ).toBeInTheDocument();
+    expect(
+      screen.getByRole('button', { name: 'actions.resultDialog.copyFieldItem(label=Backup codes, index=2)' }),
+    ).toBeInTheDocument();
+    expect(screen.getByRole('button', { name: 'actions.resultDialog.copyAll' })).toBeInTheDocument();
+  });
+
+  it('names the codes of an unlabelled code list by position alone', () => {
+    i18nState.language = 'en';
+    open({ title: 'Codes', fields: [{ path: 'codes', format: 'code-list' }] }, { codes: ['a', 'b'] });
+
+    expect(screen.getByRole('button', { name: 'actions.resultDialog.copyItem(index=2)' })).toBeInTheDocument();
+  });
+
+  it('leaves no button in the dialog without a name', () => {
+    i18nState.language = 'en';
+    open(
+      {
+        title: 'Everything',
+        fields: [
+          { path: 'a', label: 'A', format: 'text' },
+          { path: 'b', format: 'secret' },
+          { path: 'c', format: 'code-list' },
+          { path: 'd', format: 'json' },
+        ],
+      },
+      { a: 'x', b: 'y', c: ['z'], d: { k: 1 } },
+    );
+
+    const dialog = screen.getByRole('dialog');
+    const all = within(dialog).getAllByRole('button');
+    const named = within(dialog).getAllByRole('button', { name: /\S/ });
+    expect(named).toHaveLength(all.length);
+  });
+
+  it('announces the copied state in a live region that is mounted before it fills', async () => {
+    i18nState.language = 'en';
+    const writeText = vi.fn().mockResolvedValue(undefined);
+    Object.defineProperty(navigator, 'clipboard', { value: { writeText }, configurable: true });
+    open({ title: 'Secret', fields: [{ path: 'secret', label: 'Secret', format: 'text' }] }, { secret: 's3cr3t' });
+
+    const region = screen.getByRole('status');
+    expect(region).toHaveTextContent('');
+
+    await act(async () => {
+      fireEvent.click(screen.getByRole('button', { name: 'actions.resultDialog.copyField(label=Secret)' }));
+    });
+
+    expect(writeText).toHaveBeenCalledWith('s3cr3t');
+    // The same node, so assistive technology already watching it reads the change.
+    expect(screen.getByRole('status')).toBe(region);
+    expect(region).toHaveTextContent('actions.resultDialog.copied');
+  });
+});
@@ -150,6 +150,13 @@ const ar = {
       defaultTitle: 'احفظ هذه القيمة الآن',
       acknowledge: 'لقد حفظتها',
       copyAll: 'نسخ الكل',
+      // Accessible names of the icon-only copy buttons, and the polite
+      // announcement once a value reaches the clipboard.
+      copyField: 'نسخ {{label}}',
+      copyValue: 'نسخ القيمة',
+      copyFieldItem: 'نسخ {{label}}، العنصر {{index}}',
+      copyItem: 'نسخ العنصر {{index}}',
+      copied: 'تم النسخ إلى الحافظة',
     },
     notAvailableHere: '"{{action}}" غير متاح في الصفحة الحالية.',
     notAvailableForRecord: 'غير متاح لهذا السجل',
 
@@ -136,6 +136,13 @@ const de = {
       defaultTitle: 'Diesen Wert jetzt speichern',
       acknowledge: 'Ich habe ihn gespeichert',
       copyAll: 'Alle kopieren',
+      // Accessible names of the icon-only copy buttons, and the polite
+      // announcement once a value reaches the clipboard.
+      copyField: '{{label}} kopieren',
+      copyValue: 'Wert kopieren',
+      copyFieldItem: '{{label}}, Eintrag {{index}} kopieren',
+      copyItem: 'Eintrag {{index}} kopieren',
+      copied: 'In die Zwischenablage kopiert',
     },
     notAvailableHere: '„{{action}}“ ist auf der aktuellen Seite nicht verfügbar.',
     notAvailableForRecord: 'Für diesen Datensatz nicht verfügbar',
 
@@ -153,6 +153,13 @@ const en = {
       defaultTitle: 'Save this value now',
       acknowledge: 'I have saved this',
       copyAll: 'Copy all',
+      // Accessible names of the icon-only copy buttons, and the polite
+      // announcement once a value reaches the clipboard.
+      copyField: 'Copy {{label}}',
+      copyValue: 'Copy value',
+      copyFieldItem: 'Copy {{label}}, item {{index}}',
+      copyItem: 'Copy item {{index}}',
+      copied: 'Copied to clipboard',
     },
     // The refusal notice for an action whose `autoTrigger` its own declared
     // `visible` gate outranks (objectui#4191) — the deep link or host asked
 
@@ -138,6 +138,13 @@ const es = {
       defaultTitle: 'Guarda este valor ahora',
       acknowledge: 'Lo he guardado',
       copyAll: 'Copiar todo',
+      // Accessible names of the icon-only copy buttons, and the polite
+      // announcement once a value reaches the clipboard.
+      copyField: 'Copiar {{label}}',
+      copyValue: 'Copiar valor',
+      copyFieldItem: 'Copiar {{label}}, elemento {{index}}',
+      copyItem: 'Copiar elemento {{index}}',
+      copied: 'Copiado al portapapeles',
     },
     notAvailableHere: '«{{action}}» no está disponible en la página actual.',
     notAvailableForRecord: 'No disponible para este registro',
 
@@ -138,6 +138,13 @@ const fr = {
       defaultTitle: 'Enregistrez cette valeur maintenant',
       acknowledge: 'Je l\'ai enregistrée',
       copyAll: 'Tout copier',
+      // Accessible names of the icon-only copy buttons, and the polite
+      // announcement once a value reaches the clipboard.
+      copyField: 'Copier {{label}}',
+      copyValue: 'Copier la valeur',
+      copyFieldItem: 'Copier {{label}}, élément {{index}}',
+      copyItem: 'Copier l\'élément {{index}}',
+      copied: 'Copié dans le presse-papiers',
     },
     notAvailableHere: '« {{action}} » n\'est pas disponible sur la page actuelle.',
     notAvailableForRecord: 'Non disponible pour cet enregistrement',
 
@@ -136,6 +136,13 @@ const ja = {
       defaultTitle: 'この値を今すぐ保存してください',
       acknowledge: '保存しました',
       copyAll: 'すべてコピー',
+      // Accessible names of the icon-only copy buttons, and the polite
+      // announcement once a value reaches the clipboard.
+      copyField: '{{label}}をコピー',
+      copyValue: '値をコピー',
+      copyFieldItem: '{{label}}の項目 {{index}} をコピー',
+      copyItem: '項目 {{index}} をコピー',
+      copied: 'クリップボードにコピーしました',
     },
     notAvailableHere: '「{{action}}」は現在のページでは利用できません。',
     notAvailableForRecord: 'このレコードでは利用できません',
 
@@ -136,6 +136,13 @@ const ko = {
       defaultTitle: '이 값을 지금 저장하세요',
       acknowledge: '저장했습니다',
       copyAll: '모두 복사',
+      // Accessible names of the icon-only copy buttons, and the polite
+      // announcement once a value reaches the clipboard.
+      copyField: '{{label}} 복사',
+      copyValue: '값 복사',
+      copyFieldItem: '{{label}} 항목 {{index}} 복사',
+      copyItem: '항목 {{index}} 복사',
+      copied: '클립보드에 복사되었습니다',
     },
     notAvailableHere: '"{{action}}"은(는) 현재 페이지에서 사용할 수 없습니다.',
     notAvailableForRecord: '이 레코드에서는 사용할 수 없습니다',
 
@@ -138,6 +138,13 @@ const pt = {
       defaultTitle: 'Guarde este valor agora',
       acknowledge: 'Eu o salvei',
       copyAll: 'Copiar tudo',
+      // Accessible names of the icon-only copy buttons, and the polite
+      // announcement once a value reaches the clipboard.
+      copyField: 'Copiar {{label}}',
+      copyValue: 'Copiar valor',
+      copyFieldItem: 'Copiar {{label}}, item {{index}}',
+      copyItem: 'Copiar item {{index}}',
+      copied: 'Copiado para a área de transferência',
     },
     notAvailableHere: '"{{action}}" não está disponível na página atual.',
     notAvailableForRecord: 'Não disponível para este registro',