Implemented cache clearing in channel list

public/js/components/ChannelList.js

@@ -172,6 +172,16 @@ class ChannelList {
         }
     }
 
+    /**
+     * Clear program info cache
+     * Useful when EPG data has been updated
+     */
+    clearProgramInfoCache() {
+        if (this._programInfoCache) {
+            this._programInfoCache.clear();
+        }
+    }
+
     escapeHtml(text) {
         if (!text) return '';
         return text

public/js/pages/Home.js

@@ -16,6 +16,10 @@ class HomePage {
         // Silently fetch EPG data for sidebar info
         try {
             await this.app.epgGuide.fetchEpgData();
+
+            // Clear cache so we don't get stale "null" results from initial render
+            this.app.channelList.clearProgramInfoCache();
+
             // Update program info in existing DOM elements without re-rendering
             this.updateProgramInfo();
         } catch (err) {