Voice input — toggle mode, iOS touch support, MIME type detection

components/MessageInput.tsx

@@ -9,9 +9,11 @@ export default function MessageInput() {
   const { currentId, setCurrentId, addMessage, setIsLoading, isLoading, setConversations } = useStore();
   const [text, setText] = useState('');
   const [recording, setRecording] = useState(false);
+  const [transcribing, setTranscribing] = useState(false);
   const textareaRef = useRef<HTMLTextAreaElement>(null);
   const mediaRecorderRef = useRef<MediaRecorder | null>(null);
   const chunksRef = useRef<Blob[]>([]);
+  const streamRef = useRef<MediaStream | null>(null);
 
   useEffect(() => {
     textareaRef.current?.focus();
@@ -49,16 +51,15 @@ export default function MessageInput() {
     try {
       const data = await api.sendMessage(message, convId);
       setCurrentId(data.conversation_id);
-      const assistantMsg: Message = {
+      addMessage({
         role: 'assistant',
         content: data.response,
         sources: data.sources || [],
         timestamp: new Date().toISOString(),
-      };
+      });
-      addMessage(assistantMsg);
       const updated = await api.getConversations();
       setConversations(updated);
-    } catch (e) {
+    } catch {
       addMessage({
         role: 'assistant',
         content: 'Error — please try again.',
@@ -71,34 +72,57 @@ export default function MessageInput() {
     }
   }
 
-  async function startRecording() {
+  async function toggleRecording() {
+    if (recording) {
+      // Stop recording
+      mediaRecorderRef.current?.stop();
+      setRecording(false);
+    } else {
+      // Start recording
       try {
         const stream = await navigator.mediaDevices.getUserMedia({ audio: true });
-      const mr = new MediaRecorder(stream);
+        streamRef.current = stream;
+        
+        // Pick supported mime type
+        const mimeType = MediaRecorder.isTypeSupported('audio/webm')
+          ? 'audio/webm'
+          : MediaRecorder.isTypeSupported('audio/mp4')
+          ? 'audio/mp4'
+          : 'audio/ogg';
+
+        const mr = new MediaRecorder(stream, { mimeType });
         chunksRef.current = [];
-      mr.ondataavailable = e => chunksRef.current.push(e.data);
+
+        mr.ondataavailable = e => {
+          if (e.data.size > 0) chunksRef.current.push(e.data);
+        };
+
         mr.onstop = async () => {
-        stream.getTracks().forEach(t => t.stop());
+          streamRef.current?.getTracks().forEach(t => t.stop());
-        const blob = new Blob(chunksRef.current, { type: 'audio/webm' });
+          if (chunksRef.current.length === 0) return;
+          
+          setTranscribing(true);
           try {
+            const blob = new Blob(chunksRef.current, { type: mimeType });
             const { text: transcript } = await api.transcribe(blob);
-          setText(prev => prev ? prev + ' ' + transcript : transcript);
+            if (transcript.trim()) {
-          textareaRef.current?.focus();
+              setText(prev => prev ? prev + ' ' + transcript.trim() : transcript.trim());
-        } catch {
+              setTimeout(() => autoResize(), 0);
-          console.error('Transcription failed');
+            }
+          } catch (e) {
+            console.error('Transcription failed', e);
+          } finally {
+            setTranscribing(false);
           }
         };
-      mr.start();
+
+        mr.start(1000); // collect data every second
         mediaRecorderRef.current = mr;
         setRecording(true);
       } catch {
         alert('Microphone access denied');
       }
     }
-
-  function stopRecording() {
-    mediaRecorderRef.current?.stop();
-    setRecording(false);
   }
 
   function handleKeyDown(e: React.KeyboardEvent) {
@@ -108,6 +132,9 @@ export default function MessageInput() {
     }
   }
 
+  const micColor = recording ? '#e8f5ed' : transcribing ? '#e8f5ed' : 'var(--text3)';
+  const micBg = recording ? '#a32d2d' : transcribing ? 'var(--accent)' : 'var(--bg3)';
+
   return (
     <div
       className="flex gap-2 items-end flex-shrink-0"
@@ -119,27 +146,40 @@ export default function MessageInput() {
         paddingRight: 'max(16px, env(safe-area-inset-right))',
       }}
     >
-      {/* Voice button */}
+      {/* Mic button — tap to start, tap to stop */}
       <button
-        onMouseDown={startRecording}
+        onPointerUp={toggleRecording}
-        onMouseUp={stopRecording}
-        onTouchStart={startRecording}
-        onTouchEnd={stopRecording}
         className="flex-shrink-0 rounded-lg flex items-center justify-center transition-all"
         style={{
           width: '44px',
           height: '44px',
-          background: recording ? 'var(--accent)' : 'var(--bg3)',
+          background: micBg,
           border: 'none',
           cursor: 'pointer',
-          color: recording ? '#e8f5ed' : 'var(--text3)',
+          color: micColor,
+          touchAction: 'manipulation',
+          flexShrink: 0,
         }}
-        aria-label={recording ? 'Recording...' : 'Hold to record'}
+        aria-label={recording ? 'Stop recording' : transcribing ? 'Transcribing...' : 'Start recording'}
-        title="Hold to record voice"
+        title={recording ? 'Tap to stop' : 'Tap to record'}
       >
+        {transcribing ? (
+          <svg width="18" height="18" viewBox="0 0 24 24" fill="currentColor">
+            <circle cx="12" cy="12" r="3" opacity="0.6">
+              <animate attributeName="opacity" values="0.6;1;0.6" dur="1s" repeatCount="indefinite"/>
+            </circle>
+          </svg>
+        ) : recording ? (
+          // Square stop icon when recording
+          <svg width="14" height="14" viewBox="0 0 14 14" fill="currentColor">
+            <rect width="14" height="14" rx="2"/>
+          </svg>
+        ) : (
+          // Mic icon when idle
           <svg width="18" height="18" viewBox="0 0 24 24" fill="currentColor">
             <path d="M12 1a4 4 0 0 1 4 4v6a4 4 0 0 1-8 0V5a4 4 0 0 1 4-4zm0 2a2 2 0 0 0-2 2v6a2 2 0 0 0 4 0V5a2 2 0 0 0-2-2zm-7 8a7 7 0 0 0 14 0h2a9 9 0 0 1-8 8.94V22h-2v-2.06A9 9 0 0 1 3 11h2z"/>
           </svg>
+        )}
       </button>
 
       {/* Text input */}
@@ -152,7 +192,7 @@ export default function MessageInput() {
           value={text}
           onChange={e => { setText(e.target.value); autoResize(); }}
           onKeyDown={handleKeyDown}
-          placeholder="Ask anything..."
+          placeholder={recording ? 'Recording... tap mic to stop' : transcribing ? 'Transcribing...' : 'Ask anything...'}
           rows={1}
           className="w-full block resize-none outline-none bg-transparent px-3 py-3 leading-relaxed min-w-0"
           style={{
@@ -167,9 +207,9 @@ export default function MessageInput() {
 
       {/* Send button */}
       <button
-        onClick={send}
+        onPointerUp={send}
         disabled={isLoading || !text.trim()}
-        className="flex-shrink-0 rounded-lg px-4 py-3 text-sm font-medium transition-opacity"
+        className="flex-shrink-0 rounded-lg px-4 text-sm font-medium transition-opacity"
         style={{
           background: 'var(--accent)',
           color: '#e8f5ed',
@@ -178,6 +218,7 @@ export default function MessageInput() {
           opacity: isLoading || !text.trim() ? 0.4 : 1,
           minHeight: '44px',
           fontFamily: 'var(--font-sans)',
+          touchAction: 'manipulation',
         }}
       >
         Send