refactor: remove horizontal rule from BaseHeader and adjust VadVoice component styles

src/pages/auth/modules/BaseHeader.tsx

@@ -83,7 +83,6 @@ export const BaseHeader = (props: { main?: React.ComponentType | null }) => {
           {meInfo}
         </div>
       </div>
-      <hr />
     </>
   )
 }

src/pages/muse/voice/modules/VadVoice.tsx

@@ -310,6 +310,7 @@ export const VadVoice = () => {
           console.log('VAD real start');
           setRealListen(true);
         },
+        minSpeechMs: 1000, // 最短语音持续时间，单位毫秒，默认400ms,可以根据需要调整
       });
 
       ref.current = myvad;
@@ -407,7 +408,7 @@ export const VadVoice = () => {
   };
   return <div className="h-full flex flex-col">
     {/* Audio Recordings List */}
-    <div className="flex-1 overflow-y-auto px-2 py-3 min-h-0 max-h-76 overflow-hidden">
+    <div className="flex-1 overflow-y-auto px-2 py-3 overflow-hidden">
       {
         voiceList.length === 0 ? (
           <div className="text-center text-gray-400 text-sm py-8">