sprints and audit work

src/Excititor/__Libraries/StellaOps.Excititor.Connectors.MSRC.CSAF/MsrcCsafConnector.cs

@@ -46,6 +46,7 @@ public sealed class MsrcCsafConnector : VexConnectorBase
     private readonly IVexConnectorStateRepository _stateRepository;
     private readonly IOptions<MsrcConnectorOptions> _options;
     private readonly ILogger<MsrcCsafConnector> _logger;
+    private readonly Func<double> _jitterSource;
     private readonly JsonSerializerOptions _serializerOptions = new(JsonSerializerDefaults.Web)
     {
         PropertyNameCaseInsensitive = true,
@@ -60,7 +61,8 @@ public sealed class MsrcCsafConnector : VexConnectorBase
         IVexConnectorStateRepository stateRepository,
         IOptions<MsrcConnectorOptions> options,
         ILogger<MsrcCsafConnector> logger,
-        TimeProvider timeProvider)
+        TimeProvider timeProvider,
+        Func<double>? jitterSource = null)
         : base(DescriptorInstance, logger, timeProvider)
     {
         _httpClientFactory = httpClientFactory ?? throw new ArgumentNullException(nameof(httpClientFactory));
@@ -68,6 +70,7 @@ public sealed class MsrcCsafConnector : VexConnectorBase
         _stateRepository = stateRepository ?? throw new ArgumentNullException(nameof(stateRepository));
         _options = options ?? throw new ArgumentNullException(nameof(options));
         _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+        _jitterSource = jitterSource ?? Random.Shared.NextDouble;
     }
 
     public override ValueTask ValidateAsync(VexConnectorSettings settings, CancellationToken cancellationToken)
@@ -350,7 +353,7 @@ public sealed class MsrcCsafConnector : VexConnectorBase
     {
         var baseDelay = options.RetryBaseDelay.TotalMilliseconds;
         var multiplier = Math.Pow(2, Math.Max(0, attempt - 1));
-        var jitter = Random.Shared.NextDouble() * baseDelay * 0.25;
+        var jitter = _jitterSource() * baseDelay * 0.25;
         var delayMs = Math.Min(baseDelay * multiplier + jitter, TimeSpan.FromMinutes(5).TotalMilliseconds);
         return TimeSpan.FromMilliseconds(delayMs);
     }