feat: audit log of admin writes, sign-ins and key creation, with an audit tab [CI]

backend/src/MoShiro.Backend.Api/Admin/AgentEndpoints.cs

@@ -132,6 +132,7 @@ public static class AgentEndpoints
     private static async Task<IResult> CreateTokenAsync(HttpContext http, JoinTokenService tokens, CreateJoinTokenRequest request, BackendOptions options)
     {
         string baseUrl = options.PublicUrl ?? $"{http.Request.Scheme}://{http.Request.Host}";
+        http.SetDetail($"{request.Role ?? JoinTokenService.AgentRole}: {request.Note}");
         Result<CreatedJoinToken> result = await tokens.CreateAsync(
             new Application.CreateJoinTokenRequest(request.Note, request.Labels, request.AutoApprove ?? true, request.MaxUses ?? 1, request.ExpiresInHours ?? 24, request.Role ?? JoinTokenService.AgentRole, http.GetPrincipal().Label), baseUrl, http.RequestAborted);
         if (!result.TryGet(out CreatedJoinToken? created, out FleetError? error))