fix(chat): hide voice message transcript

src/app/chat/components/message-content.tsx

@@ -81,7 +81,6 @@ export function MessageContent({
           {hasAudio && audioUrl ? (
             <VoiceBubble
               audioUrl={audioUrl}
-              content={content}
               isFromAI={isFromAI}
             />
           ) : null}

src/app/chat/components/voice-bubble.module.css

@@ -96,14 +96,6 @@
   height: 26px;
 }
 
-.text {
-  margin: 0;
-  font-size: var(--font-size-md, 14px);
-  line-height: 1.45;
-  white-space: pre-wrap;
-  word-break: break-word;
-}
-
 .error {
   margin: 0;
   color: var(--color-error, #ff4d4f);

src/app/chat/components/voice-bubble.tsx

@@ -7,13 +7,11 @@ import styles from "./voice-bubble.module.css";
 
 export interface VoiceBubbleProps {
   audioUrl: string;
-  content?: string;
   isFromAI: boolean;
 }
 
 export function VoiceBubble({
   audioUrl,
-  content = "",
   isFromAI,
 }: VoiceBubbleProps) {
   const audioRef = useRef<HTMLAudioElement>(null);
@@ -82,7 +80,6 @@ export function VoiceBubble({
           <span />
           <span />
         </div>
-        {content.length > 0 ? <p className={styles.text}>{content}</p> : null}
         {hasError ? (
           <p className={styles.error}>Voice message failed to load.</p>
         ) : null}