feat: deploy-to-target supports .253 + mesh/federation/VPN updates

- Add deploy_secondary() function for deploying to multiple LAN nodes
- --both now deploys to .198 and .253 (previously .198 only)
- Fleet deploy updated for 3 LAN nodes
- Mesh DM fixes: protocol frame format, DM-via-channel routing
- Federation pending requests, discover modal
- VPN status UI improvements
- Image versions and container specs updates

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

core/archipelago/src/api/rpc/peers.rs

@@ -90,6 +90,15 @@ impl RpcHandler {
         let (data, _) = self.state_manager.get_snapshot().await;
         let pubkey = data.server_info.pubkey.clone();
 
+        // Skip sending to ourselves (prevents duplicate messages in group chat)
+        if let Some(ref our_onion) = data.server_info.tor_address {
+            let our = our_onion.trim_end_matches(".onion");
+            let their = onion.trim_end_matches(".onion");
+            if our == their {
+                return Ok(serde_json::json!({ "ok": true, "sent_to": onion, "skipped": "self" }));
+            }
+        }
+
         // Load signing key for E2E encryption
         let identity_dir = self.config.data_dir.join("identity");
         let node_id = crate::identity::NodeIdentity::load_or_create(&identity_dir).await?;