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

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

@@ -15,6 +15,9 @@ public sealed class AgentConfig
     [JsonPropertyName("listen")]
     public ListenSection Listen { get; set; } = new();
 
+    [JsonPropertyName("quic")]
+    public QuicSection Quic { get; set; } = new();
+
     [JsonPropertyName("limits")]
     public LimitsSection Limits { get; set; } = new();
 
@@ -66,6 +69,27 @@ public sealed class ListenSection
     public List<int> TcpPorts { get; set; } = [7444];
 }
 
+/// <summary>数据通道 QUIC 连接的传输参数；不写的项用 MsQuic 默认值。监听和拨出的连接都用这里的值。</summary>
+public sealed class QuicSection
+{
+    [JsonPropertyName("min_mtu")]
+    public int? MinMtu { get; set; }
+
+    [JsonPropertyName("max_mtu")]
+    public int? MaxMtu { get; set; }
+
+    [JsonPropertyName("pacing")]
+    public bool? Pacing { get; set; }
+
+    [JsonPropertyName("idle_timeout_ms")]
+    public int? IdleTimeoutMs { get; set; }
+
+    [JsonPropertyName("keep_alive_ms")]
+    public int? KeepAliveMs { get; set; }
+
+    public QuicSettings ToSettings() => new() { MinMtu = MinMtu, MaxMtu = MaxMtu, Pacing = Pacing, IdleTimeoutMs = IdleTimeoutMs, KeepAliveMs = KeepAliveMs };
+}
+
 public sealed class LimitsSection
 {
     [JsonPropertyName("max_total_mbps")]