feat: add HyperDB replication to file.drop plugin

- Add database watcher to monitor @filedrop/files collection changes
- Implement robust database initialization with retry logic (30 attempts)
- Add replication status checking and logging on startup
- Add peer connection handlers for active replication updates
- Enable real-time database synchronization across P2NS network

includes/plugins/channel-manager.js

@@ -470,7 +470,7 @@ function createPluginChannelsForPeer(peerId, conn, mux) {
                         return;
                       }
                       setRecreating(pluginDomain, protocol, peerId);
-                      peerChannel.lastReopenAttempt = now;
+                      peerChannel.lastReopenAttempt = Date.now();
                       logDebug('ChannelManager', `Channel ${fullProtocol} fully closed, recreating for peer ${peerId.substring(0, 16)}...`);
                       // Remove old channel reference
                       channelInfo.peerChannels.delete(peerId);