feat: ship agent-first mission control v0.2.57

backend/Repositories/IOpenClawConnectionProfileRepository.cs

@@ -0,0 +1,38 @@
+using Nexus.Api.Data;
+
+namespace Nexus.Api.Repositories;
+
+public interface IOpenClawConnectionProfileRepository
+{
+    Task<OpenClawConnectionProfile?> GetPrimaryAsync(
+        CancellationToken cancellationToken = default);
+
+    Task<OpenClawConnectionProfile> SavePrimaryAsync(
+        OpenClawConnectionProfile profile,
+        int? expectedRevision,
+        CancellationToken cancellationToken = default);
+
+    Task<bool> DeletePrimaryAsync(
+        int expectedRevision,
+        CancellationToken cancellationToken = default);
+}
+
+public sealed class OpenClawConnectionProfileConcurrencyException : Exception
+{
+    public OpenClawConnectionProfileConcurrencyException(
+        string message,
+        int? currentRevision = null)
+        : base(message)
+    {
+        CurrentRevision = currentRevision;
+    }
+
+    public OpenClawConnectionProfileConcurrencyException(
+        string message,
+        Exception innerException)
+        : base(message, innerException)
+    {
+    }
+
+    public int? CurrentRevision { get; }
+}