added visual waiting steps

frontend/js/chat.js

@@ -160,7 +160,6 @@ document.addEventListener('DOMContentLoaded', async () => {
         const text = inputEl.value.trim();
         if (!text) return;
 
-        const wasVoice = voice.lastInputWasVoice;
         voice.lastInputWasVoice = false;
 
         inputEl.value = '';
@@ -169,7 +168,7 @@ document.addEventListener('DOMContentLoaded', async () => {
         appendMessage('user', text);
         history.push({ role: 'user', content: text });
 
-        const assistantEl = appendMessage('assistant', '');
+        const assistantEl = appendMessage('assistant', voiceModeOn ? 'Thinking...' : '');
         let fullResponse = '';
 
         try {
@@ -188,9 +187,7 @@ document.addEventListener('DOMContentLoaded', async () => {
 
             // Special handling for Voice Mode: Buffer text, wait for TTS, then show & play
             if (voiceModeOn) {
-                // Show thinking state
-                assistantEl.innerHTML = '<span class="thinking-dots">Thinking<span>.</span><span>.</span><span>.</span></span>';
-                assistantEl.classList.add('message-thinking');
+                // "Thinking..." is already shown from appendMessage above
 
                 while (true) {
                     const { done, value } = await reader.read();