添加了NEON硬件编码器选项，并增加了刷新列表、清空下载缓存和清空转码缓存的按钮。

public/js/main.js

@@ -2,7 +2,8 @@ document.addEventListener('DOMContentLoaded', () => {
     const videoListEl = document.getElementById('video-list');
     const loadingSpinner = document.getElementById('loading-spinner');
     const refreshBtn = document.getElementById('refresh-btn');
-    const resetCacheBtn = document.getElementById('reset-cache-btn');
+    const clearDownloadCacheBtn = document.getElementById('clear-download-cache-btn');
+    const clearTranscodeCacheBtn = document.getElementById('clear-transcode-cache-btn');
     const bucketSelect = document.getElementById('bucket-select');
     const loginScreen = document.getElementById('login-screen');
     const appContainer = document.getElementById('app-container');
@@ -196,16 +197,38 @@ document.addEventListener('DOMContentLoaded', () => {
         }
     };
 
-    const resetCache = async () => {
-        if (!resetCacheBtn) return;
-        resetCacheBtn.disabled = true;
-        resetCacheBtn.title = 'Resetting cache...';
+    const clearDownloadCache = async () => {
+        if (!clearDownloadCacheBtn) return;
+        clearDownloadCacheBtn.disabled = true;
+        clearDownloadCacheBtn.textContent = '清空中...';
+
+        try {
+            const res = await fetch('/api/clear-download-cache', { method: 'POST' });
+            if (!res.ok) {
+                const data = await res.json().catch(() => ({}));
+                throw new Error(data.error || '清空下载缓存失败');
+            }
+            alert('下载缓存已清空');
+        } catch (err) {
+            console.error('Clear download cache failed:', err);
+            alert(`清空下载缓存失败: ${err.message}`);
+        } finally {
+            clearDownloadCacheBtn.disabled = false;
+            clearDownloadCacheBtn.textContent = '清空下载缓存';
+        }
+    };
+
+    const clearTranscodeCache = async () => {
+        if (!clearTranscodeCacheBtn) return;
+        clearTranscodeCacheBtn.disabled = true;
+        clearTranscodeCacheBtn.textContent = '清空中...';
 
         stopPolling();
         selectedKey = null;
         currentVideoKey = null;
         subscribedKey = null;
         if (transcodeBtn) {
+            transcodeBtn.disabled = true;
             transcodeBtn.classList.add('hidden');
         }
         if (playBtn) {
@@ -220,18 +243,19 @@ document.addEventListener('DOMContentLoaded', () => {
         resetProgress();
 
         try {
-            const res = await fetch('/api/reset-cache', { method: 'POST' });
+            const res = await fetch('/api/clear-transcode-cache', { method: 'POST' });
             if (!res.ok) {
                 const data = await res.json().catch(() => ({}));
-                throw new Error(data.error || 'Reset failed');
+                throw new Error(data.error || '清空转码缓存失败');
             }
-            await fetchVideos();
+            await fetchVideos(selectedBucket);
+            alert('转码缓存已清空');
         } catch (err) {
-            console.error('Reset cache failed:', err);
-            alert(`Reset cache failed: ${err.message}`);
+            console.error('Clear transcode cache failed:', err);
+            alert(`清空转码缓存失败: ${err.message}`);
         } finally {
-            resetCacheBtn.disabled = false;
-            resetCacheBtn.title = 'Reset Download Cache';
+            clearTranscodeCacheBtn.disabled = false;
+            clearTranscodeCacheBtn.textContent = '清空转码缓存';
         }
     };
 
@@ -481,6 +505,12 @@ document.addEventListener('DOMContentLoaded', () => {
 
     // Bind events
     refreshBtn.addEventListener('click', () => fetchVideos(selectedBucket));
+    if (clearDownloadCacheBtn) {
+        clearDownloadCacheBtn.addEventListener('click', clearDownloadCache);
+    }
+    if (clearTranscodeCacheBtn) {
+        clearTranscodeCacheBtn.addEventListener('click', clearTranscodeCache);
+    }
     if (loginBtn) {
         loginBtn.addEventListener('click', login);
     }