feat: operator trust root: passkey-signed operator set, signed join codes, nodes verify and pin the chain at enrollment [CI SKIP]

backend/src/MoShiro.Backend.Api/Common/EndpointConventions.cs

@@ -18,6 +18,11 @@ public static class EndpointConventions
             return Task.CompletedTask;
         });
 
+    /// <summary>
+    /// 这个端点自己要求 passkey 签名（请求里带着断言），比提权窗口更强，所以不再要求窗口：守卫跳过信任类能力的提权检查。
+    /// </summary>
+    public static RouteHandlerBuilder ElevationExempt(this RouteHandlerBuilder builder) => builder.WithMetadata(new ElevationExemptMarker());
+
     /// <summary>匿名可访问的管理端点（登录）：显式声明，对账测试才能区分「忘了声明」。</summary>
     public static RouteHandlerBuilder AllowsAnonymous(this RouteHandlerBuilder builder) =>
         builder.WithMetadata(new CapabilityRequirement(null));

backend/src/MoShiro.Backend.Api/Common/Guards.cs

@@ -60,6 +60,9 @@ public static class PrincipalResolver
 /// </summary>
 public sealed record CapabilityRequirement(string? Capability);
 
+/// <summary>端点自己验 passkey 签名（见 <see cref="EndpointConventions.ElevationExempt"/>）。</summary>
+public sealed record ElevationExemptMarker;
+
 /// <summary>管理层守卫：按端点声明的能力授权；Cookie 会话的非 GET 请求必须带 <c>X-CSRF-Token</c>。</summary>
 public static class CapabilityGuard
 {
@@ -90,7 +93,7 @@ public static class CapabilityGuard
         }
 
         // 信任类的操作（加节点、吊销、改凭证）：登录用户还要有这一种的提权窗口；API key 自己带着能力，不经过这里
-        if (requirement.Capability is { } trusted && Elevation.For(trusted) is { } elevation && ElevationGate.Require(http, elevation, consume: true) is { } needed)
+        if (requirement.Capability is { } trusted && Elevation.For(trusted) is { } elevation && http.GetEndpoint()?.Metadata.GetMetadata<ElevationExemptMarker>() is null && ElevationGate.Require(http, elevation, consume: true) is { } needed)
         {
             return needed;
         }

backend/src/MoShiro.Backend.Api/Common/Mappers.cs

@@ -154,7 +154,9 @@ public static class Mappers
         new(t.Id.Value, t.Scope, t.AgentId?.Value, t.BaseTaskId?.Value, t.Kind, t.Target, t.Params, t.Schedule, t.Enabled, Time(t.UpdatedAtMs));
 
     public static JoinTokenDto ToDto(JoinTokenInfo t) =>
-        new(t.Id, t.Note, t.Labels, t.AutoApprove, t.MaxUses, t.Uses, Time(t.ExpiresAtMs), Time(t.RevokedAtMs), Time(t.CreatedAtMs), JoinTokenService.RoleOf(t.Kind), t.CreatedBy);
+        new(t.Id, t.Note, t.Labels, t.AutoApprove, t.MaxUses, t.Uses, Time(t.ExpiresAtMs), Time(t.RevokedAtMs), Time(t.CreatedAtMs), JoinTokenService.RoleOf(t.Kind), t.CreatedBy, t.Grant is not null);
+
+    public static TrustStateDto ToDto(TrustState s) => new(s.Initialized, s.Genesis, s.Version, s.InSync, s.Proposal is null ? null : new TrustProposalDto(s.Proposal.Statement, s.Proposal.Version, s.Proposal.Challenge));
 
     public static ElevationDto ToDto(ElevationWindow w) => new(Elevation.IdOf(w.Class), Time(w.ExpiresAtMs));