measurement: name the kinds by protocol and action, add the http_request kind and QUIC settings

backend/agent/src/MoShiro.Agent/AgentApp.cs

@@ -74,10 +74,16 @@ public sealed class AgentApp : IDisposable, IAsyncDisposable
 
         _ipv6Supported = _listening ? bind.AddressFamily == System.Net.Sockets.AddressFamily.InterNetworkV6 : null;
         _admission = new AgentAdmission(_streams);
-        _datagrams = new QuicDatagramTransport(_sessions, _admission, _clock, _counters.Data, log, bind, config.Listen.QuicPorts, identity.Certificate);
+        QuicSettings quic = config.Quic.ToSettings();
+        if (quic.Validate() is { } invalid)
+        {
+            throw new InvalidOperationException("agent.json quic: " + invalid);
+        }
+
+        _datagrams = new QuicDatagramTransport(_sessions, _admission, _clock, _counters.Data, log, bind, config.Listen.QuicPorts, identity.Certificate, quic);
         // 预握手敲门：控制端口和数据端口共用一个关卡（限速和去重一起算）；名册就是期望状态里的 peers
         _trust = TrustAnchor.Load(config.Fleet.IdentityDir, log);
-        _dialer = new DialerHost(new DialEnv(identity.PeerIdentity, identity.NodeId.Value, config.Limits, new DialDirectory(new ConfigStore(dataDirectory), dataDirectory, log, _trust), _clock, time, log), time, log);
+        _dialer = new DialerHost(new DialEnv(identity.PeerIdentity, identity.NodeId.Value, config.Limits, quic, new DialDirectory(new ConfigStore(dataDirectory), dataDirectory, log, _trust), _clock, time, log), time, log);
         _knock = new KnockGate(identity.PeerIdentity, RosterKeys, time);
         _tcp = new TcpAcceptor(bind, config.Listen.TcpPorts, identity.Certificate, _sessions, _counters.Data, _knock);