feat: add Automations and Events endpoint support

src/Resend/Automation.cs

@@ -0,0 +1,59 @@
+using System.Text.Json.Serialization;
+
+namespace Resend;
+
+/// <summary>
+/// Full automation resource including graph details.
+/// </summary>
+public class Automation
+{
+    /// <summary>
+    /// Object type discriminator.
+    /// </summary>
+    [JsonPropertyName( "object" )]
+    public string Object { get; set; } = default!;
+
+    /// <summary>
+    /// Automation identifier.
+    /// </summary>
+    [JsonPropertyName( "id" )]
+    public Guid Id { get; set; }
+
+    /// <summary>
+    /// Display name.
+    /// </summary>
+    [JsonPropertyName( "name" )]
+    public string Name { get; set; } = default!;
+
+    /// <summary>
+    /// Either <c>enabled</c> or <c>disabled</c>.
+    /// </summary>
+    [JsonPropertyName( "status" )]
+    public string Status { get; set; } = default!;
+
+    /// <summary>
+    /// When the automation was created.
+    /// </summary>
+    [JsonPropertyName( "created_at" )]
+    [JsonConverter( typeof( JsonUtcDateTimeConverter ) )]
+    public DateTime MomentCreated { get; set; }
+
+    /// <summary>
+    /// When the automation was last updated.
+    /// </summary>
+    [JsonPropertyName( "updated_at" )]
+    [JsonConverter( typeof( JsonUtcDateTimeConverter ) )]
+    public DateTime MomentUpdated { get; set; }
+
+    /// <summary>
+    /// Steps in execution order as stored by the API.
+    /// </summary>
+    [JsonPropertyName( "steps" )]
+    public List<AutomationStep> Steps { get; set; } = default!;
+
+    /// <summary>
+    /// Edges connecting steps.
+    /// </summary>
+    [JsonPropertyName( "edges" )]
+    public List<AutomationEdge> Edges { get; set; } = default!;
+}

src/Resend/AutomationCreateData.cs

@@ -0,0 +1,34 @@
+using System.Text.Json.Serialization;
+
+namespace Resend;
+
+/// <summary>
+/// Request body to create an automation.
+/// </summary>
+public class AutomationCreateData
+{
+    /// <summary>
+    /// Display name.
+    /// </summary>
+    [JsonPropertyName( "name" )]
+    public string Name { get; set; } = default!;
+
+    /// <summary>
+    /// Either <c>enabled</c> or <c>disabled</c>. Defaults to <c>disabled</c> when omitted.
+    /// </summary>
+    [JsonPropertyName( "status" )]
+    [JsonIgnore( Condition = JsonIgnoreCondition.WhenWritingNull )]
+    public string? Status { get; set; }
+
+    /// <summary>
+    /// Steps; must include at least one trigger step.
+    /// </summary>
+    [JsonPropertyName( "steps" )]
+    public List<AutomationStepData> Steps { get; set; } = default!;
+
+    /// <summary>
+    /// Edges between steps (may be empty for single-step automations).
+    /// </summary>
+    [JsonPropertyName( "edges" )]
+    public List<AutomationEdge> Edges { get; set; } = default!;
+}

src/Resend/AutomationDeleteResult.cs

@@ -0,0 +1,27 @@
+using System.Text.Json.Serialization;
+
+namespace Resend;
+
+/// <summary>
+/// Response from deleting an automation.
+/// </summary>
+public class AutomationDeleteResult
+{
+    /// <summary>
+    /// Object type discriminator.
+    /// </summary>
+    [JsonPropertyName( "object" )]
+    public string Object { get; set; } = default!;
+
+    /// <summary>
+    /// Automation identifier.
+    /// </summary>
+    [JsonPropertyName( "id" )]
+    public Guid Id { get; set; }
+
+    /// <summary>
+    /// Whether the automation was deleted.
+    /// </summary>
+    [JsonPropertyName( "deleted" )]
+    public bool Deleted { get; set; }
+}

src/Resend/AutomationEdge.cs

@@ -0,0 +1,32 @@
+using System.Text.Json.Serialization;
+
+namespace Resend;
+
+/// <summary>
+/// Connection between two automation steps.
+/// </summary>
+/// <remarks>
+/// On create and update, <see cref="From"/> and <see cref="To"/> are step refs.
+/// On retrieve, they are internal step identifiers.
+/// </remarks>
+public class AutomationEdge
+{
+    /// <summary>
+    /// Source step ref or internal id.
+    /// </summary>
+    [JsonPropertyName( "from" )]
+    public string From { get; set; } = default!;
+
+    /// <summary>
+    /// Destination step ref or internal id.
+    /// </summary>
+    [JsonPropertyName( "to" )]
+    public string To { get; set; } = default!;
+
+    /// <summary>
+    /// Edge kind: <c>default</c>, <c>condition_met</c>, <c>condition_not_met</c>, <c>timeout</c>, <c>event_received</c>.
+    /// </summary>
+    [JsonPropertyName( "edge_type" )]
+    [JsonIgnore( Condition = JsonIgnoreCondition.WhenWritingNull )]
+    public string? EdgeType { get; set; }
+}

src/Resend/AutomationListQuery.cs

@@ -0,0 +1,15 @@
+using System.Text.Json.Serialization;
+
+namespace Resend;
+
+/// <summary>
+/// Query parameters for <see cref="IResend.AutomationListAsync"/>.
+/// </summary>
+public class AutomationListQuery : PaginatedQuery
+{
+    /// <summary>
+    /// Filter by <c>enabled</c> or <c>disabled</c>.
+    /// </summary>
+    [JsonIgnore]
+    public string? Status { get; set; }
+}

src/Resend/AutomationRun.cs

@@ -0,0 +1,54 @@
+using System.Text.Json.Serialization;
+
+namespace Resend;
+
+/// <summary>
+/// A single automation run with per-step execution details.
+/// </summary>
+public class AutomationRun
+{
+    /// <summary>
+    /// Object type discriminator.
+    /// </summary>
+    [JsonPropertyName( "object" )]
+    public string Object { get; set; } = default!;
+
+    /// <summary>
+    /// Run identifier.
+    /// </summary>
+    [JsonPropertyName( "id" )]
+    public Guid Id { get; set; }
+
+    /// <summary>
+    /// Run status.
+    /// </summary>
+    [JsonPropertyName( "status" )]
+    public string Status { get; set; } = default!;
+
+    /// <summary>
+    /// When the run started.
+    /// </summary>
+    [JsonPropertyName( "started_at" )]
+    [JsonConverter( typeof( JsonUtcDateTimeConverter ) )]
+    public DateTime MomentStarted { get; set; }
+
+    /// <summary>
+    /// When the run finished, if applicable.
+    /// </summary>
+    [JsonPropertyName( "completed_at" )]
+    [JsonConverter( typeof( JsonUtcDateTimeConverter ) )]
+    public DateTime? MomentCompleted { get; set; }
+
+    /// <summary>
+    /// When the run record was created.
+    /// </summary>
+    [JsonPropertyName( "created_at" )]
+    [JsonConverter( typeof( JsonUtcDateTimeConverter ) )]
+    public DateTime MomentCreated { get; set; }
+
+    /// <summary>
+    /// Per-step execution details.
+    /// </summary>
+    [JsonPropertyName( "steps" )]
+    public List<AutomationRunStep> Steps { get; set; } = default!;
+}

src/Resend/AutomationRunListQuery.cs

@@ -0,0 +1,15 @@
+using System.Text.Json.Serialization;
+
+namespace Resend;
+
+/// <summary>
+/// Query parameters for <see cref="IResend.AutomationRunListAsync"/>.
+/// </summary>
+public class AutomationRunListQuery : PaginatedQuery
+{
+    /// <summary>
+    /// Comma-separated run statuses: <c>running</c>, <c>completed</c>, <c>failed</c>, <c>cancelled</c>.
+    /// </summary>
+    [JsonIgnore]
+    public string? Status { get; set; }
+}

src/Resend/AutomationRunStep.cs

@@ -0,0 +1,57 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Resend;
+
+/// <summary>
+/// Execution record for one step within an automation run.
+/// </summary>
+public class AutomationRunStep
+{
+    /// <summary>
+    /// Step type.
+    /// </summary>
+    [JsonPropertyName( "type" )]
+    public string Type { get; set; } = default!;
+
+    /// <summary>
+    /// Step execution status.
+    /// </summary>
+    [JsonPropertyName( "status" )]
+    public string Status { get; set; } = default!;
+
+    /// <summary>
+    /// When the step started.
+    /// </summary>
+    [JsonPropertyName( "started_at" )]
+    [JsonConverter( typeof( JsonUtcDateTimeConverter ) )]
+    public DateTime MomentStarted { get; set; }
+
+    /// <summary>
+    /// When the step finished, if applicable.
+    /// </summary>
+    [JsonPropertyName( "completed_at" )]
+    [JsonConverter( typeof( JsonUtcDateTimeConverter ) )]
+    public DateTime? MomentCompleted { get; set; }
+
+    /// <summary>
+    /// Step output payload when present.
+    /// </summary>
+    [JsonPropertyName( "output" )]
+    [JsonIgnore( Condition = JsonIgnoreCondition.WhenWritingNull )]
+    public JsonElement? Output { get; set; }
+
+    /// <summary>
+    /// Error details when the step failed.
+    /// </summary>
+    [JsonPropertyName( "error" )]
+    [JsonIgnore( Condition = JsonIgnoreCondition.WhenWritingNull )]
+    public JsonElement? Error { get; set; }
+
+    /// <summary>
+    /// When the step record was created.
+    /// </summary>
+    [JsonPropertyName( "created_at" )]
+    [JsonConverter( typeof( JsonUtcDateTimeConverter ) )]
+    public DateTime MomentCreated { get; set; }
+}

src/Resend/AutomationRunSummary.cs

@@ -0,0 +1,42 @@
+using System.Text.Json.Serialization;
+
+namespace Resend;
+
+/// <summary>
+/// A single automation run in a list response.
+/// </summary>
+public class AutomationRunSummary
+{
+    /// <summary>
+    /// Run identifier.
+    /// </summary>
+    [JsonPropertyName( "id" )]
+    public Guid Id { get; set; }
+
+    /// <summary>
+    /// Run status.
+    /// </summary>
+    [JsonPropertyName( "status" )]
+    public string Status { get; set; } = default!;
+
+    /// <summary>
+    /// When the run started.
+    /// </summary>
+    [JsonPropertyName( "started_at" )]
+    [JsonConverter( typeof( JsonUtcDateTimeConverter ) )]
+    public DateTime MomentStarted { get; set; }
+
+    /// <summary>
+    /// When the run finished, if applicable.
+    /// </summary>
+    [JsonPropertyName( "completed_at" )]
+    [JsonConverter( typeof( JsonUtcDateTimeConverter ) )]
+    public DateTime? MomentCompleted { get; set; }
+
+    /// <summary>
+    /// When the run record was created.
+    /// </summary>
+    [JsonPropertyName( "created_at" )]
+    [JsonConverter( typeof( JsonUtcDateTimeConverter ) )]
+    public DateTime MomentCreated { get; set; }
+}

src/Resend/AutomationStep.cs

@@ -0,0 +1,22 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Resend;
+
+/// <summary>
+/// A step returned when retrieving an automation (responses omit per-step <c>ref</c>).
+/// </summary>
+public class AutomationStep
+{
+    /// <summary>
+    /// Step type.
+    /// </summary>
+    [JsonPropertyName( "type" )]
+    public string Type { get; set; } = default!;
+
+    /// <summary>
+    /// Step configuration; shape depends on <see cref="Type"/>.
+    /// </summary>
+    [JsonPropertyName( "config" )]
+    public JsonElement Config { get; set; }
+}

src/Resend/AutomationStepData.cs

@@ -0,0 +1,28 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Resend;
+
+/// <summary>
+/// A step in an automation graph for create and update requests.
+/// </summary>
+public class AutomationStepData
+{
+    /// <summary>
+    /// Unique reference for this step, used by <see cref="AutomationEdge.From"/> and <see cref="AutomationEdge.To"/>.
+    /// </summary>
+    [JsonPropertyName( "key" )]
+    public string Ref { get; set; } = default!;
+
+    /// <summary>
+    /// Step type (for example <c>trigger</c>, <c>send_email</c>, <c>delay</c>).
+    /// </summary>
+    [JsonPropertyName( "type" )]
+    public string Type { get; set; } = default!;
+
+    /// <summary>
+    /// Step configuration; shape depends on <see cref="Type"/>.
+    /// </summary>
+    [JsonPropertyName( "config" )]
+    public JsonElement Config { get; set; }
+}