feat(smartcontract, activator): remove multiple tunnel restriction (#2725)

CHANGELOG.md

@@ -133,6 +133,8 @@ All notable changes to this project will be documented in this file.
   - On-chain allocation enabled
 - Smartcontract
   - feat(smartcontract): add use_onchain_deallocation flag to MulticastGroup ([#2748](https://github.com/malbeclabs/doublezero/pull/2748))
+- CLI 
+  - Remove restriction for a single tunnel per user; now a user can have a unicast and multicast tunnel concurrently (but can only be a publisher _or_ a subscriber) ([2728](https://github.com/malbeclabs/doublezero/pull/2728))
 
 ## [v0.8.3](https://github.com/malbeclabs/doublezero/compare/client/v0.8.2...client/v0.8.3) – 2026-01-22
 

activator/src/processor.rs

@@ -122,6 +122,10 @@ impl<T: DoubleZeroClient> Processor<T> {
                             )
                         })?;
                     user_tunnel_ips.assign_block(user.tunnel_net.into());
+                    // Register tunnel endpoint if set
+                    if user.has_tunnel_endpoint() {
+                        device_state.register_tunnel_endpoint(user.client_ip, user.tunnel_endpoint);
+                    }
                 }
                 Ok::<(), eyre::Error>(())
             })?;