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src/Notifier/StellaOps.Notifier/StellaOps.Notifier.Worker/Channels/ChannelAdapterOptions.cs

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+namespace StellaOps.Notifier.Worker.Channels;
+
+/// <summary>
+/// Configuration options for channel adapters.
+/// </summary>
+public sealed class ChannelAdapterOptions
+{
+    /// <summary>
+    /// Configuration section name.
+    /// </summary>
+    public const string SectionName = "ChannelAdapters";
+
+    /// <summary>
+    /// Maximum number of retry attempts for failed dispatches.
+    /// </summary>
+    public int MaxRetries { get; set; } = 3;
+
+    /// <summary>
+    /// Base delay for exponential backoff between retries.
+    /// </summary>
+    public TimeSpan RetryBaseDelay { get; set; } = TimeSpan.FromSeconds(1);
+
+    /// <summary>
+    /// Maximum delay between retries.
+    /// </summary>
+    public TimeSpan RetryMaxDelay { get; set; } = TimeSpan.FromSeconds(30);
+
+    /// <summary>
+    /// Timeout for individual dispatch operations.
+    /// </summary>
+    public TimeSpan DispatchTimeout { get; set; } = TimeSpan.FromSeconds(30);
+
+    /// <summary>
+    /// Enable HMAC signing for webhook payloads.
+    /// </summary>
+    public bool EnableHmacSigning { get; set; } = true;
+
+    /// <summary>
+    /// User agent string for HTTP requests.
+    /// </summary>
+    public string UserAgent { get; set; } = "StellaOps-Notifier/1.0";
+
+    /// <summary>
+    /// Default concurrency limit per channel type.
+    /// </summary>
+    public int DefaultConcurrency { get; set; } = 10;
+
+    /// <summary>
+    /// Enable circuit breaker for unhealthy channels.
+    /// </summary>
+    public bool EnableCircuitBreaker { get; set; } = true;
+
+    /// <summary>
+    /// Number of consecutive failures before circuit opens.
+    /// </summary>
+    public int CircuitBreakerThreshold { get; set; } = 5;
+
+    /// <summary>
+    /// Duration to keep circuit open before allowing retry.
+    /// </summary>
+    public TimeSpan CircuitBreakerDuration { get; set; } = TimeSpan.FromMinutes(1);
+}