feat: add epg preload to app initialization

public/js/app.js

@@ -150,6 +150,12 @@ class App {
         // Initialize home page first (it's needed for channel list)
         await this.pages.home.init();
 
+        // Preload EPG data in background (non-blocking)
+        // This ensures EPG info is available on Live TV page without visiting Guide first
+        this.epgGuide.loadEpg().catch(err => {
+            console.warn('Background EPG load failed:', err.message);
+        });
+
         // Navigate to the page from URL hash, or default to home
         const hash = window.location.hash.slice(1); // Remove #
         const initialPage = hash && this.pages[hash] ? hash : 'home';