improved video play

frontend/app.js

@@ -240,7 +240,14 @@ async function openPlayer(url) {
     const video = document.getElementById('player');
 
     // 1. Define isHls (the missing piece!)
-    const streamUrl = `/api/stream?url=${encodeURIComponent(url)}`;
+    let refererParam = '';
+    try {
+        const origin = new URL(url).origin;
+        refererParam = `&referer=${encodeURIComponent(origin + '/')}`;
+    } catch (err) {
+        refererParam = '';
+    }
+    const streamUrl = `/api/stream?url=${encodeURIComponent(url)}${refererParam}`;
     let isHls = /\.m3u8($|\?)/i.test(url);
 
     // 2. Cleanup existing player instance to prevent aborted bindings