Fixes issue with pornhub. Removes references.

__tests__/data_flow.test.mjs

@@ -185,4 +185,35 @@ describe('Data flow: popup -> storage -> viewer', () => {
       throw new Error('Entry with invalid mediaType should be rejected');
     }
   });
+
+  it('an HLS entry carrying a scan-time referer passes schema + round-trips', () => {
+     // The referer is bound to the entry at scan time so it survives the
+     // watch-later flow (the source tab may be long closed). Because the schema
+     // sets additionalProperties:false, a `referer` the store carries must be an
+     // explicit property or storage-layer validation would reject the entry.
+    const scrapedEntry = {
+      url: 'https://pageA.example.com/watch',
+      src: 'https://hv-h.phncdn.com/hls/live/master.m3u8',
+      hlsManifest: 'https://hv-h.phncdn.com/hls/live/master.m3u8',
+      mediaType: 'hls',
+      poster: 'https://pageA.example.com/thumb.jpg',
+      tab: 'Referer-protected stream',
+      referer: 'https://pageA.example.com/watch',
+    };
+
+    const valid = validate(scrapedEntry);
+    if (!valid) {
+      throw new Error(`Entry with referer fails schema: ${JSON.stringify(validate.errors)}`);
+    }
+
+     // The referer must survive the storage round-trip intact so the viewer can
+    // send it to the proxy when the user opens a previously-scanned entry.
+    const roundTripped = JSON.parse(JSON.stringify(scrapedEntry));
+    if (roundTripped.referer !== 'https://pageA.example.com/watch') {
+      throw new Error('referer lost during round-trip');
+    }
+    if (!validate(roundTripped)) {
+      throw new Error('Round-tripped entry with referer fails schema');
+    }
+  });
 });