fix litellm tts search fallbacks

public/js/admin.js

@@ -1275,12 +1275,12 @@ function adminFlashButtonBackground(btn, color) {
         }
         var items = data.voices || [];
         if (items.length === 0) {
-          container.innerHTML = '<p style="font-size:13px;color:var(--g400);">No voices found' + (search ? ' matching "' + esc(search) + '"' : '') + '</p>';
+          container.innerHTML = '<p style="font-size:13px;color:var(--g400);">No voices/models found' + (search ? ' matching "' + esc(search) + '"' : '') + '</p>';
           return;
         }
-        container.innerHTML = '<p style="font-size:12px;color:var(--g500);margin:0 0 6px;">Found ' + data.count + ' voices (provider: ' + esc(data.provider) + ')</p>' +
+        container.innerHTML = '<p style="font-size:12px;color:var(--g500);margin:0 0 6px;">Found ' + data.count + ' voices/models (provider: ' + esc(data.provider) + ')</p>' +
           items.slice(0, 100).map(function(v) {
-            var isModel = (v.source || '').indexOf('gateway') !== -1 || (v.source || '').indexOf('builtin-model') !== -1;
+            var isModel = v.kind === 'model' || (v.source || '').indexOf('gateway') !== -1 || (v.source || '').indexOf('builtin-model') !== -1 || (v.source || '').indexOf('configured-model') !== -1;
             var setType = isModel ? 'model' : 'voice';
             var badge = isModel ? '<span style="font-size:9px;padding:1px 5px;border-radius:4px;background:var(--blue);color:white;margin-left:4px;">MODEL</span>' : '<span style="font-size:9px;padding:1px 5px;border-radius:4px;background:var(--green);color:white;margin-left:4px;">VOICE</span>';
             return '<div style="display:flex;align-items:center;gap:8px;padding:5px 8px;border-radius:6px;background:var(--g50);font-size:13px;">' +

src/routes/adminConfig.js

@@ -9,7 +9,7 @@ var { authMiddleware, adminMiddleware } = require('../middleware/auth');
 var PROMPTS = require('../utils/prompts');
 var logger = require('../utils/logger');
 var { gatewayUrl } = require('../utils/errors');
-var { GOOGLE_TTS_VOICES, getTTSEnvProvider, getLiteLLMTTSModels, getTTSProvider, getTTSVoiceLists } = require('../utils/ttsProvider');
+var { GOOGLE_TTS_VOICES, getTTSEnvProvider, getLiteLLMTTSDiscoveryItems, getLiteLLMTTSModels, getTTSProvider, getTTSVoiceLists } = require('../utils/ttsProvider');
 var { getLiteLLMHeaders } = require('../utils/litellm');
 var { getSTTDependencies, getLiteLLMSTTModels, getSTTModelLists, getSTTProvider } = require('../utils/sttProvider');
 var { getLiteLLMEmbeddingModels } = require('../utils/embeddings');
@@ -520,13 +520,19 @@ router.get('/config/tts/discover', async function(req, res) {
     }
 
     if (provider === 'litellm' && process.env.LITELLM_API_BASE) {
+      var dbVoice = await db.getSetting('tts.voice') || '';
+      var dbModel = await db.getSetting('tts.model') || '';
+      var currentVoice = dbVoice || process.env.LITELLM_TTS_VOICE || '';
+      var currentModel = dbModel || process.env.LITELLM_TTS_MODEL || '';
+      var modelInfo = [];
       try {
         var liteLLMBase = (process.env.LITELLM_API_BASE || '').replace(/\/+$/, '').replace(/\/v1\/?$/, '');
         var lResp = await axios.get(liteLLMBase + '/model/info', { headers: getLiteLLMHeaders(), timeout: 10000 });
-        getLiteLLMTTSModels(lResp.data && lResp.data.data).forEach(function(id) {
+        modelInfo = lResp.data && lResp.data.data ? lResp.data.data : [];
-          discovered.push({ id: id, name: id, source: 'gateway-api' });
-        });
       } catch (e) { logger.warn('LiteLLM TTS model list failed: ' + e.message); }
+      getLiteLLMTTSDiscoveryItems(modelInfo, { currentModel: currentModel, currentVoice: currentVoice }).forEach(function(item) {
+        discovered.push(item);
+      });
     }
 
     if (provider === 'elevenlabs' && process.env.ELEVENLABS_API_KEY) {

src/utils/ttsProvider.js

@@ -39,11 +39,36 @@ function getLiteLLMTTSModels(models) {
     .map(function(model) { return model && (model.id || model.model_name) ? (model.id || model.model_name) : String(model || ''); });
 }
 
+function pushUniqueTTSItem(items, item) {
+  if (!item || !item.id) return;
+  if (items.some(function(existing) { return existing.id === item.id && existing.kind === item.kind; })) return;
+  items.push(item);
+}
+
+function getLiteLLMTTSDiscoveryItems(models, opts) {
+  opts = opts || {};
+  var items = [];
+  getLiteLLMTTSModels(models).forEach(function(id) {
+    pushUniqueTTSItem(items, { id: id, name: id, source: 'gateway-api', kind: 'model' });
+  });
+  if (opts.currentModel) {
+    pushUniqueTTSItem(items, { id: opts.currentModel, name: opts.currentModel, source: 'configured-model', kind: 'model' });
+  }
+  if (opts.currentVoice) {
+    pushUniqueTTSItem(items, { id: opts.currentVoice, name: opts.currentVoice, source: 'configured-voice', kind: 'voice' });
+  }
+  OPENAI_TTS_VOICES.forEach(function(voice) {
+    pushUniqueTTSItem(items, { id: voice, name: voice, source: 'openai-compatible', kind: 'voice' });
+  });
+  return items;
+}
+
 module.exports = {
   ELEVENLABS_DEFAULT_VOICES,
   GOOGLE_TTS_VOICES,
   OPENAI_TTS_VOICES,
   getTTSEnvProvider,
+  getLiteLLMTTSDiscoveryItems,
   getLiteLLMHeaders,
   getLiteLLMTTSModels,
   getTTSProvider,

test/tts-provider.test.js

@@ -77,6 +77,35 @@ test('LiteLLM TTS model extraction filters gateway model objects', () => {
   ]), ['local-chatterbox-turbo', 'custom-provider-model']);
 });
 
+test('LiteLLM TTS discovery includes metadata models and configured fallbacks', () => {
+  const ttsProvider = require('../src/utils/ttsProvider');
+  const items = ttsProvider.getLiteLLMTTSDiscoveryItems([
+    { model_name: 'local-kokoro-tts', model_info: { mode: 'audio_speech' } },
+    { model_name: 'not-tts-by-name-only' },
+    { model_name: 'local-parakeet-v3', model_info: { mode: 'audio_transcription' } }
+  ], {
+    currentModel: 'local-kokoro-tts',
+    currentVoice: 'sherpa/kokoro:am_adam'
+  });
+  assert.deepEqual(items.slice(0, 3), [
+    { id: 'local-kokoro-tts', name: 'local-kokoro-tts', source: 'gateway-api', kind: 'model' },
+    { id: 'sherpa/kokoro:am_adam', name: 'sherpa/kokoro:am_adam', source: 'configured-voice', kind: 'voice' },
+    { id: 'alloy', name: 'alloy', source: 'openai-compatible', kind: 'voice' }
+  ]);
+  assert.equal(items.some(function(item) { return item.id === 'not-tts-by-name-only'; }), false);
+});
+
+test('LiteLLM TTS discovery still shows configured model if metadata lookup fails', () => {
+  const ttsProvider = require('../src/utils/ttsProvider');
+  assert.deepEqual(ttsProvider.getLiteLLMTTSDiscoveryItems([], {
+    currentModel: 'local-kokoro-tts',
+    currentVoice: 'sherpa/kokoro:am_adam'
+  }).slice(0, 2), [
+    { id: 'local-kokoro-tts', name: 'local-kokoro-tts', source: 'configured-model', kind: 'model' },
+    { id: 'sherpa/kokoro:am_adam', name: 'sherpa/kokoro:am_adam', source: 'configured-voice', kind: 'voice' }
+  ]);
+});
+
 test('LiteLLM headers include optional content type without exposing key value', () => {
   const ttsProvider = require('../src/utils/ttsProvider');
   withEnv({ LITELLM_API_KEY: 'secret-token' }, () => {