feat(quic): replace probe UDP data plane with QUIC datagrams

backend/agent/src/MoShiro.Agent/Tasks/TaskManager.cs

@@ -24,7 +24,7 @@ public sealed class TaskManager
     private readonly StreamRegistry _streams;
     private readonly BlockEnv _env;
     private readonly TargetRunners _targets;
-    private readonly Func<IReadOnlyList<int>> _udpPorts;
+    private readonly Func<IReadOnlyList<int>> _quicPorts;
     private readonly Func<IReadOnlyList<int>> _tcpPorts;
     private readonly TrustAnchor _trust;
     private readonly Dictionary<ProbeSession, Dictionary<string, LineEntry>> _sessionLines = [];
@@ -33,14 +33,14 @@ public sealed class TaskManager
     private long _version;
     private BudgetGuard? _guard;
 
-    public TaskManager(Func<BudgetGuard> guardFactory, StreamRegistry streams, BlockEnv env, TargetRunners targets, Func<IReadOnlyList<int>> udpPorts, Func<IReadOnlyList<int>> tcpPorts, TrustAnchor? trust = null)
+    public TaskManager(Func<BudgetGuard> guardFactory, StreamRegistry streams, BlockEnv env, TargetRunners targets, Func<IReadOnlyList<int>> quicPorts, Func<IReadOnlyList<int>> tcpPorts, TrustAnchor? trust = null)
     {
         _trust = trust ?? TrustAnchor.None;
         _guardFactory = guardFactory;
         _streams = streams;
         _env = env;
         _targets = targets;
-        _udpPorts = udpPorts;
+        _quicPorts = quicPorts;
         _tcpPorts = tcpPorts;
     }
 
@@ -229,7 +229,8 @@ public sealed class TaskManager
         {
             Version = _version,
             Tasks = [.. entries.Values.Select(e => e.Task)],
-            UdpPorts = [.. _udpPorts()],
+            QuicPorts = [.. _quicPorts()],
+            LegacyUdpPorts = [.. _quicPorts()],
             TcpPorts = [.. _tcpPorts()],
         };