feat: pinned agents and probes only accept peers carrying the operator's proof; the panel ships the signed operator chain with the rosters [CI SKIP]

backend/src/MoShiro.Backend.Application/Tasks/TaskPlanner.cs

@@ -21,10 +21,12 @@ public sealed class TaskPlanner : IDisposable
     private readonly IProbeStore _probes;
     private readonly ISettingsStore _settings;
     private readonly LinkService _links;
+    private readonly TrustService _trust;
     private readonly SemaphoreSlim _gate = new(1, 1);
 
-    public TaskPlanner(ITaskStore tasks, IAgentStore agents, IProbeStore probes, ISettingsStore settings, LinkService links)
+    public TaskPlanner(ITaskStore tasks, IAgentStore agents, IProbeStore probes, ISettingsStore settings, LinkService links, TrustService trust)
     {
+        _trust = trust;
         _links = links;
         _tasks = tasks;
         _agents = agents;
@@ -62,9 +64,12 @@ public sealed class TaskPlanner : IDisposable
 
         foreach (ProbeRecord probe in probes.Where(p => p.RevokedAtMs is null && p.PeerPublicKey is { Length: > 0 } && links.IsLinked(p.Id, agentId.Value)))
         {
-            document.Peers.Add(new PeerSpec { ProbeId = new ProbeId(probe.Id), PublicKey = Convert.ToBase64String(probe.PeerPublicKey!) });
+            document.Peers.Add(new PeerSpec { ProbeId = new ProbeId(probe.Id), PublicKey = Convert.ToBase64String(probe.PeerPublicKey!), Proof = probe.Proof });
         }
 
+        IReadOnlyList<Fleet.Core.SignedStatementDto> chain = await _trust.ChainAsync(ct);
+        document.TrustChain = chain.Count == 0 ? null : [.. chain];
+
         string hash = Convert.ToHexStringLower(SHA256.HashData(JsonSerializer.SerializeToUtf8Bytes(document, MoShiroJsonContext.Default.TaskSet)));
 
         await _gate.WaitAsync(ct);