Fix memory leak and unhandled promise rejection in service worker

extension/background.js

@@ -431,6 +431,8 @@ async function routeToContent(action, payload) {
                 files: ['content.js']
             }).then(() => {
                 setTimeout(() => routeToContent(action, payload), 500);
+            }).catch(err => {
+                addLog(`Auto-reinject failed for tab ${tabId}`, 'warn');
             });
         } else {
             addLog(`Content Script not responding in tab ${tabId}`, 'warn');

server/index.js

@@ -174,6 +174,7 @@ io.on('connection', (socket) => {
                 if (oldRoom) {
                     oldRoom.peers.delete(socket.id);
                     oldRoom.peerIds.delete(socket.id);
+                    oldRoom.peerData.delete(socket.id);
                     socket.to(oldMapping.roomId).emit(EVENTS.PEER_STATUS, { peerId: oldMapping.peerId, status: 'left' });
                     if (oldRoom.peers.size === 0) rooms.delete(oldMapping.roomId);
                 }