Fix speech-to-text with Groq Whisper

script.js

@@ -411,12 +411,23 @@ async function transcribeAudio(blob) {
             body: blob
         });
 
+        const data = await response.json().catch(() => null);
         if (!response.ok) {
-            throw new Error('Transcription failed');
+            const errorMessage = data?.error || 'Voice transcription failed';
+            throw new Error(errorMessage);
+        }
+
+        const transcript = data?.transcript?.trim() || '';
+        if (!transcript) {
+            sourceText.value = 'No speech detected';
+            if (charCount) {
+                charCount.textContent = 0;
+            }
+            showStatus('No speech detected', 'error');
+            voiceStatus.textContent = '⚠️ No speech detected';
+            return;
         }
 
-        const data = await response.json();
-        const transcript = data.transcript || '';
         sourceText.value = transcript;
         if (charCount) {
             charCount.textContent = transcript.length;
@@ -428,8 +439,9 @@ async function transcribeAudio(blob) {
         await translateText();
     } catch (error) {
         console.error('Voice transcription error:', error);
-        showStatus('Voice transcription failed', 'error');
-        voiceStatus.textContent = '❌ Voice transcription failed';
+        const errorMessage = error?.message || 'Voice transcription failed';
+        showStatus(errorMessage, 'error');
+        voiceStatus.textContent = `❌ ${errorMessage}`;
     }
 }