Add audio validation, seamless transitions, and quality improvements for music streaming

index.js

@@ -1,6 +1,7 @@
 const express = require('express');
 const { streamHandler } = require('./src/streamHandler');
 const { geocodeCity } = require('./src/geocode');
+const { getAllMusicFiles } = require('./src/musicPlaylist');
 
 const app = express();
 const PORT = process.env.PORT || 3000;
@@ -188,4 +189,15 @@ app.listen(PORT, () => {
   console.log(`Webpage to HLS server running on port ${PORT}`);
   console.log(`Usage: http://localhost:${PORT}/stream?url=http://example.com`);
   console.log(`Weather: http://localhost:${PORT}/weather?city=YourCity`);
+  
+  // Pre-validate music files on startup to cache results
+  if (MUSIC_PATH) {
+    console.log(`\n🎵 Pre-validating music library at ${MUSIC_PATH}...`);
+    const validFiles = getAllMusicFiles(MUSIC_PATH);
+    if (validFiles.length > 0) {
+      console.log(`✅ Music library ready: ${validFiles.length} valid tracks cached\n`);
+    } else {
+      console.log(`⚠️  No valid music files found in ${MUSIC_PATH}\n`);
+    }
+  }
 });