feat: detect an agent's public IPv4 and IPv6 addresses automatically, manual values still win [CI]

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

@@ -326,6 +326,10 @@ public sealed class AgentHelloMeta
     [JsonPropertyName("tls_spki")]
     public string? TlsSpki { get; set; }
 
+    /// <summary>本机的公网地址（IPv4 公网地址、IPv6 全球单播地址）：面板据此自动填 <c>public_host</c> 和 <c>ipv6_host</c>，管理员手填的优先。</summary>
+    [JsonPropertyName("addresses")]
+    public List<string>? Addresses { get; set; }
+
     [JsonPropertyName("probe_tcp_port")]
     public int? ProbeTcpPort { get; set; }