feat: the node itself requires an owner passkey (shared by agent and probe) and reports it; the panel derives the account and passkey it is bound to [CI]

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

@@ -306,6 +306,10 @@ 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
 {
+    /// <summary>这个 Probe 的属主：安装时固定在节点本地的 passkey 凭证 id。面板据此知道它绑定在哪个账户的哪把 passkey 上。</summary>
+    [JsonPropertyName("owners")]
+    public List<string>? Owners { get; set; }
+
     [JsonPropertyName("ipv6")]
     public Ipv6Diagnostic? Ipv6 { get; set; }
 
@@ -316,6 +320,10 @@ public sealed class ProbeHelloMeta
 /// <summary><c>fleet.hello</c> 的附加字段。</summary>
 public sealed class AgentHelloMeta
 {
+    /// <summary>这个 Agent 的属主：安装时固定在节点本地的 passkey 凭证 id。面板据此知道它绑定在哪个账户的哪把 passkey 上。</summary>
+    [JsonPropertyName("owners")]
+    public List<string>? Owners { get; set; }
+
     [JsonPropertyName("ipv6")]
     public Ipv6Diagnostic? Ipv6 { get; set; }