diff --git a/docs/CURRENT-STATE.md b/docs/CURRENT-STATE.md
index adbf20824..9563a3aff 100644
--- a/docs/CURRENT-STATE.md
+++ b/docs/CURRENT-STATE.md
@@ -1135,7 +1135,7 @@ Source factories have dedicated `layers/<family>/source` exports. ALPR and earth
 
 Voice controls bind to a protocol-independent session factory. The default WebRTC adapter preserves the existing Realtime connection, push-to-talk, cost controls and radio handoff. Session subscriptions expose state, transcript, action call/progress/result, interruption, completion and turn-metrics events; stopping or replacing a session cancels pending actions. An active session's normal Stop publishes one idle transition, including adapters that emit their own terminal state; a restart triggered by that transition keeps ownership of its new startup state. Alternate adapters can use the same controls and action runner.
 
-The standalone app offers OpenAI and Gemini Live through the **AI Provider** setting, shared by voice and typed chat. Gemini keeps its permanent API key on the local server and mints a short-lived, single-use credential with server-owned instructions and the standalone action catalog. With no Gemini key the token route answers `503` with code `API_KEY_MISSING`, and the voice control says `Add a Gemini API key in Provider Settings` without the microphone-permission hint. Gemini's status and error messages keep their English catalog text on the session's `state` event (`sourceDetail`, beside the worded `detail`), so the voice control words them again after a language change. Its native WebSocket adapter supports open microphone and push-to-talk input, streaming audio, captions and the existing action runner. In push-to-talk, a tool call that arrives with no input, reply or tool result outstanding is answered with a failure and never runs, and neither does any other call in the reply it starts; open-microphone turns start on Gemini's server-side activity detection, which reports no boundary to check. Switching providers ends the old conversation and releases its microphone and connection; only the input mode carries over. Gemini uses bounded shutdown draining and explicit manual restart, without automatic reconnection or a promise of uninterrupted session duration. Hosts that do not opt into the provider facade retain their existing default or custom adapter.
+The standalone app offers OpenAI and Gemini Live through the **AI Provider** setting, shared by voice and typed chat. Gemini keeps its permanent API key on the local server and mints a short-lived, single-use credential with server-owned instructions and the standalone action catalog. With no Gemini key the token route answers `503` with code `API_KEY_MISSING`, and the voice control says `Add a Gemini API key in Provider Settings` without the microphone-permission hint. Voice status and error messages keep the message as given on the session's `state` event (`sourceDetail`, English catalog text when it is the app's own, with `sourceParams` for its placeholders), beside the worded `detail`, so the voice control words them again after a language change. Typed-chat errors and the chat panel are worded once. Its native WebSocket adapter supports open microphone and push-to-talk input, streaming audio, captions and the existing action runner. In push-to-talk, a tool call that arrives with no input, reply or tool result outstanding is answered with a failure and never runs, and neither does any other call in the reply it starts; open-microphone turns start on Gemini's server-side activity detection, which reports no boundary to check. Switching providers ends the old conversation and releases its microphone and connection; only the input mode carries over. Gemini uses bounded shutdown draining and explicit manual restart, without automatic reconnection or a promise of uninterrupted session duration. Hosts that do not opt into the provider facade retain their existing default or custom adapter.
 
 Voice action argument schemas have one portable owner under `src/voice/actionSchemas.js`. The Realtime provider builds 33 tools using separate description-only metadata; a session is offered 32 of them unless `OVERPASS_UPSTREAMS` is set, which adds `osm_query` and its one prompt sentence (`server/providers/openai/tools.js`). Description customization cannot replace argument types, enum values or required fields.
 
diff --git a/src/voice/geminiSession.js b/src/voice/geminiSession.js
index 8900c1552..572db471a 100644
--- a/src/voice/geminiSession.js
+++ b/src/voice/geminiSession.js
@@ -361,23 +361,31 @@ export class GeminiSessionController {
   }
 
   /**
-   * @param {{missingKey?: boolean}} [options] True when the server has no
-   *   Gemini key: the control then drops its microphone hint.
+   * @param {{missingKey?: boolean, params?: object}} [options] `missingKey`
+   *   is true when the server has no Gemini key: the control then drops its
+   *   microphone hint. `params` fill the placeholders of `detail`.
    */
-  setStatus(status, detail, recovery, { missingKey = false } = {}) {
+  setStatus(
+    status,
+    detail,
+    recovery,
+    { missingKey = false, params = null } = {},
+  ) {
     this.status = status;
     if (status === 'listening' && this.input.pushToTalkMode)
       detail = this.input.pushToTalkKeyHeld
         ? msg('Release Space to send')
         : msg('Hold Space to talk');
     // `detail` is worded in the current language; `sourceDetail` keeps the
-    // English catalog text, so a view can word it again after a language
-    // change.
+    // message as given (English catalog text, with `sourceParams` for its
+    // placeholders, when it is ours), so a view can word it again after a
+    // language change.
     const event = {
       type: 'state',
       state: status,
-      detail: translateKnown(detail),
+      detail: params ? t(detail, params) : translateKnown(detail),
       ...(typeof detail === 'string' && { sourceDetail: detail }),
+      ...(params && { sourceParams: params }),
     };
     if (recovery) event.recovery = translateKnown(recovery);
     if (missingKey) event.missingKey = true;
@@ -603,6 +611,15 @@ export class GeminiSessionController {
                 }),
           ),
           typeof data?.code === 'string' ? { code: data.code } : {},
+          // The status words this again in the current language when shown.
+          typeof data?.error === 'string'
+            ? {}
+            : {
+                wording: {
+                  text: msg('Gemini token request failed (HTTP {status})'),
+                  params: { status: response.status },
+                },
+              },
         );
       if (
         typeof data?.model !== 'string' ||
@@ -976,11 +993,14 @@ export class GeminiSessionController {
           )
         : error?.name === 'TimeoutError'
           ? msg('Gemini connection timed out. Try again.')
-          : error?.message || msg('Gemini voice could not start');
-    this.lastError = detail;
+          : error?.wording?.text ||
+            error?.message ||
+            msg('Gemini voice could not start');
+    this.lastError = error?.wording ? error.message : detail;
     this.stop({ preserveStatus: true });
     this.setStatus('error', detail, recovery, {
       missingKey: error?.code === 'API_KEY_MISSING',
+      params: error?.wording?.params,
     });
   }
 
diff --git a/src/voice/geminiSession.test.mjs b/src/voice/geminiSession.test.mjs
index 6e921d827..e441e6915 100644
--- a/src/voice/geminiSession.test.mjs
+++ b/src/voice/geminiSession.test.mjs
@@ -3688,3 +3688,24 @@ test('an error keeps its English catalog text beside the worded detail', async (
   );
   assert.notEqual(error.detail, error.sourceDetail);
 });
+
+test('a token failure without a message keeps its status for the next language', async (t2) => {
+  t2.after(() => setLocale('en'));
+  setLocale('es');
+  const h = harness({
+    fetchImpl: async () => Response.json({}, { status: 502 }),
+  });
+  await h.c.start();
+  const error = h.events
+    .filter((event) => event.type === 'state' && event.state === 'error')
+    .at(-1);
+  assert.equal(
+    error.sourceDetail,
+    'Gemini token request failed (HTTP {status})',
+  );
+  assert.deepEqual(error.sourceParams, { status: 502 });
+  assert.equal(
+    error.detail,
+    t('Gemini token request failed (HTTP {status})', { status: 502 }),
+  );
+});
diff --git a/src/voice/gevRealtime.test.mjs b/src/voice/gevRealtime.test.mjs
index 426a15f5c..752dbf9c8 100644
--- a/src/voice/gevRealtime.test.mjs
+++ b/src/voice/gevRealtime.test.mjs
@@ -35,7 +35,7 @@ import {
 } from './gevRealtime.js';
 import { createVoiceCostTracker } from './voiceCost.js';
 import { createTestVoiceUi } from '../testSupport/voiceUi.mjs';
-import { setLocale } from '../i18n/index.js';
+import { setLocale, t } from '../i18n/index.js';
 
 test('push-to-talk recognizes Space by code or key', () => {
   assert.equal(PUSH_TO_TALK_HOLD_DELAY_MS, 500);
@@ -3764,3 +3764,21 @@ test('a missing server key says where to add it, without the microphone hint, in
     setLocale('en');
   }
 });
+
+test('a status from a shared helper is worded again after a language change', () => {
+  const ui = createTestVoiceUi();
+  const controller = new GevRealtimeController({
+    ui,
+    runner: async () => ({ ok: true }),
+    radioLayer: { subscribePlaybackControls: () => () => {}, setVoiceDucked() {} },
+  });
+  try {
+    controller.setStatus('listening', 'Radio did not start');
+    assert.equal(ui.state.detail.text, 'Radio did not start');
+    setLocale('es');
+    assert.equal(ui.state.detail.text, t('Radio did not start'));
+    assert.notEqual(ui.state.detail.text, 'Radio did not start');
+  } finally {
+    setLocale('en');
+  }
+});
diff --git a/src/voice/providerCommands.test.mjs b/src/voice/providerCommands.test.mjs
index 96c19ecf4..dc358834d 100644
--- a/src/voice/providerCommands.test.mjs
+++ b/src/voice/providerCommands.test.mjs
@@ -928,3 +928,27 @@ test('a provider message is worded again after a language change', async (t2) =>
   assert.equal(ui.state.detail.text, t('Ask or command'));
   assert.notEqual(ui.state.detail.text, 'Ask or command');
 });
+
+test('a provider message with placeholders is worded again with them', async (t2) => {
+  t2.after(() => setLocale('en'));
+  const f = compositionFixture(t2, {});
+  f.select('gemini');
+  await settle();
+  const ui = f.views.at(-1);
+  const text = 'Gemini token request failed (HTTP {status})';
+  f.instances.at(-1).hooks.emit({
+    type: 'state',
+    state: 'error',
+    detail: t(text, { status: 502 }),
+    sourceDetail: text,
+    sourceParams: { status: 502 },
+  });
+  assert.equal(ui.state.error.text, 'Gemini token request failed (HTTP 502)');
+  setLocale('es');
+  assert.equal(ui.state.error.text, t(text, { status: 502 }));
+  assert.match(ui.state.error.text, /502/);
+  assert.notEqual(
+    ui.state.error.text,
+    'Gemini token request failed (HTTP 502)',
+  );
+});
diff --git a/src/voice/realtimeController.js b/src/voice/realtimeController.js
index 58b8aec77..b85439759 100644
--- a/src/voice/realtimeController.js
+++ b/src/voice/realtimeController.js
@@ -54,7 +54,7 @@ export {
 
 import { createRealtimeBackend } from './realtimeBackend.js';
 
-import { t } from '../i18n/index.js';
+import { t, translateKnown } from '../i18n/index.js';
 import { voiceStatusLabel } from './control.js';
 
 // Machine states (dataset.status, CSS); voiceStatusLabel() translates labels.
@@ -416,10 +416,13 @@ export class GevRealtimeController extends RealtimeFacade {
    */
   setStatus(status, detail, { missingKey = false } = {}) {
     this.status = status;
+    // A detail may be English catalog text (from the helpers this controller
+    // shares with Gemini): it is worded in the current language when shown.
     this.emitSessionEvent({
       type: 'state',
       state: status,
-      detail,
+      detail: translateKnown(detail),
+      ...(typeof detail === 'string' && { sourceDetail: detail }),
       ...(missingKey && { missingKey: true }),
     });
     this.ui.update('root', {
@@ -437,7 +440,7 @@ export class GevRealtimeController extends RealtimeFacade {
         ? held
           ? t('Release Space to send')
           : t('Hold Space to talk')
-        : detail;
+        : translateKnown(detail);
     const primaryDetail = () =>
       status === 'error'
         ? t('VOICE UNAVAILABLE')
diff --git a/src/voice/realtimeInput.js b/src/voice/realtimeInput.js
index 9c9fd85e7..0a43fa6ec 100644
--- a/src/voice/realtimeInput.js
+++ b/src/voice/realtimeInput.js
@@ -1,4 +1,4 @@
-import { t } from '../i18n/index.js';
+import { msg, t } from '../i18n/index.js';
 import {
   PUSH_TO_TALK_HOLD_DELAY_MS,
   MICROPHONE_VISUALIZER_GATE,
@@ -124,7 +124,7 @@ export class RealtimeInput {
           this.ui.update('root', { pushToTalk: 'held' });
           this.setMicrophoneEnabled(true);
           if (this.status === 'listening')
-            this.setStatus('listening', t('Release Space to send'));
+            this.setStatus('listening', msg('Release Space to send'));
         } else {
           this.start({ pushToTalk: true });
           // start() performs a controlled stop() before connecting. Restore the
@@ -201,7 +201,7 @@ export class RealtimeInput {
     if (!this.pushToTalkMode) return;
     this.setMicrophoneEnabled(false);
     if (this.status === 'listening')
-      this.setStatus('listening', t('Hold Space to talk'));
+      this.setStatus('listening', msg('Hold Space to talk'));
     else this.updateVoiceButtonLabel();
   }
 
diff --git a/src/voice/realtimeRadio.js b/src/voice/realtimeRadio.js
index 065c55c3b..90abce9e8 100644
--- a/src/voice/realtimeRadio.js
+++ b/src/voice/realtimeRadio.js
@@ -1,4 +1,4 @@
-import { t } from '../i18n/index.js';
+import { msg } from '../i18n/index.js';
 import {
   silenceRadioForVoice,
   startPreparedRadioAfterPlaybackReady,
@@ -261,7 +261,7 @@ export class RealtimeRadio {
     if (radioHandoff.result?.ok || radioHandoff.cancelled || !stillCurrent)
       return;
     if (this.dc?.readyState === 'open' && !this.userTurnPending) {
-      this.setStatus('listening', t('Radio did not start'));
+      this.setStatus('listening', msg('Radio did not start'));
       this.queueResponseCreate(
         'Say exactly one short correction: “The Radio station could not start. Voice is still on.”',
       );
diff --git a/src/voice/sessionCommands.js b/src/voice/sessionCommands.js
index c3ef1a917..2add30636 100644
--- a/src/voice/sessionCommands.js
+++ b/src/voice/sessionCommands.js
@@ -122,7 +122,9 @@ export function createVoiceCommands({
       source === 'Voice off'
         ? ''
         : event.sourceDetail
-          ? translateKnown(event.sourceDetail)
+          ? event.sourceParams
+            ? t(event.sourceDetail, event.sourceParams)
+            : translateKnown(event.sourceDetail)
           : event.detail;
     ui.update('detail', {
       text: () => detail() || (idle ? t('Voice off') : t('Voice active')),