backend: require confirmation for signed channel updates [CI]

backend/shared/MoShiro.Protocol/Rpc/MoShiroRpc.cs

@@ -281,6 +281,9 @@ public sealed class UpdateStatus
 /// <summary>Probe 的 <c>fleet.heartbeat</c> 附加字段：更新器的状态。</summary>
 public sealed class ProbeHeartbeatExtra
 {
+    [JsonPropertyName("ipv6")]
+    public Ipv6Diagnostic? Ipv6 { get; set; }
+
     [JsonPropertyName("update")]
     public UpdateStatus? Update { get; set; }
 }
@@ -288,6 +291,9 @@ public sealed class ProbeHeartbeatExtra
 /// <summary>Probe 的 <c>fleet.hello</c> 附加字段：系统、架构和构建信息（只用于展示和更新）。</summary>
 public sealed class ProbeHelloMeta
 {
+    [JsonPropertyName("ipv6")]
+    public Ipv6Diagnostic? Ipv6 { get; set; }
+
     [JsonPropertyName("platform")]
     public PlatformInfo? Platform { get; set; }
 }
@@ -295,6 +301,9 @@ public sealed class ProbeHelloMeta
 /// <summary><c>fleet.hello</c> 的附加字段。</summary>
 public sealed class AgentHelloMeta
 {
+    [JsonPropertyName("ipv6")]
+    public Ipv6Diagnostic? Ipv6 { get; set; }
+
     /// <summary>本机是否启用了 IPv6 监听。旧 Agent 缺省为 false，面板不会给它安排 IPv6 会话。</summary>
     [JsonPropertyName("ipv6_supported")]
     public bool Ipv6Supported { get; set; }
@@ -383,6 +392,9 @@ public sealed class ConnectedProbe
 /// <summary><c>fleet.heartbeat</c> 的附加字段：只有进程内的计数，没有主机信息。</summary>
 public sealed class AgentHeartbeatExtra
 {
+    [JsonPropertyName("ipv6")]
+    public Ipv6Diagnostic? Ipv6 { get; set; }
+
     /// <summary>当前连着的 Probe 会话数（等于 <see cref="Probes"/> 的个数）。</summary>
     [JsonPropertyName("sessions")]
     public int Sessions { get; set; }
@@ -554,6 +566,7 @@ public static class FragmentKeys
 [JsonSerializable(typeof(AgentEnrollMeta))]
 [JsonSerializable(typeof(PlatformInfo))]
 [JsonSerializable(typeof(AgentHelloMeta))]
+[JsonSerializable(typeof(Ipv6Diagnostic))]
 [JsonSerializable(typeof(AgentHeartbeatExtra))]
 [JsonSerializable(typeof(RawChunkHeader))]
 public sealed partial class MoShiroJsonContext : JsonSerializerContext;