Feature: Activity Execution Call Stack

Author: sfmskywalker

Elsa.sln

@@ -19,6 +19,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "solution", "solution", "{7D
 		icon.png = icon.png
 		NuGet.Config = NuGet.Config
 		README.md = README.md
+		plan-activityExecutionCallStack.prompt.md = plan-activityExecutionCallStack.prompt.md
 	EndProjectSection
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "doc", "doc", "{0354F050-3992-4DD4-B0EE-5FBA04AC72B6}"
@@ -323,12 +324,6 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "issue_templates", "issue_te
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "dsl", "dsl", "{477C2416-312D-46AE-BCD6-8FA1FAB43624}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Elsa.Resilience.Core.UnitTests", "test\unit\Elsa.Resilience.Core.UnitTests\Elsa.Resilience.Core.UnitTests.csproj", "{B8006D70-1630-43DB-A043-FA89FAC70F37}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Elsa.Common.UnitTests", "test\unit\Elsa.Common.UnitTests\Elsa.Common.UnitTests.csproj", "{A3C07D5B-2A30-494E-B9BC-4B1594B31ABC}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Elsa.Http.IntegrationTests", "test\integration\Elsa.Http.IntegrationTests\Elsa.Http.IntegrationTests.csproj", "{8C4F6A2D-1E9F-4B3C-9D8E-7F5A6B4C3D2E}"
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -585,18 +580,6 @@ Global
 		{2B7FB49D-E4B6-4AD5-981B-3D85B94F6F48}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{2B7FB49D-E4B6-4AD5-981B-3D85B94F6F48}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{2B7FB49D-E4B6-4AD5-981B-3D85B94F6F48}.Release|Any CPU.Build.0 = Release|Any CPU
-		{B8006D70-1630-43DB-A043-FA89FAC70F37}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{B8006D70-1630-43DB-A043-FA89FAC70F37}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{B8006D70-1630-43DB-A043-FA89FAC70F37}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{B8006D70-1630-43DB-A043-FA89FAC70F37}.Release|Any CPU.Build.0 = Release|Any CPU
-		{A3C07D5B-2A30-494E-B9BC-4B1594B31ABC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{A3C07D5B-2A30-494E-B9BC-4B1594B31ABC}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{A3C07D5B-2A30-494E-B9BC-4B1594B31ABC}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{A3C07D5B-2A30-494E-B9BC-4B1594B31ABC}.Release|Any CPU.Build.0 = Release|Any CPU
-		{8C4F6A2D-1E9F-4B3C-9D8E-7F5A6B4C3D2E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{8C4F6A2D-1E9F-4B3C-9D8E-7F5A6B4C3D2E}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{8C4F6A2D-1E9F-4B3C-9D8E-7F5A6B4C3D2E}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{8C4F6A2D-1E9F-4B3C-9D8E-7F5A6B4C3D2E}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -698,9 +681,6 @@ Global
 		{2B7FB49D-E4B6-4AD5-981B-3D85B94F6F48} = {B08B4E00-C2AB-48F3-8389-449F42AEF179}
 		{477C2416-312D-46AE-BCD6-8FA1FAB43624} = {5BA4A8FA-F7F4-45B3-AEC8-8886D35AAC79}
 		{874F5A44-DB06-47AB-A18C-2D13942E0147} = {477C2416-312D-46AE-BCD6-8FA1FAB43624}
-		{B8006D70-1630-43DB-A043-FA89FAC70F37} = {18453B51-25EB-4317-A4B3-B10518252E92}
-		{A3C07D5B-2A30-494E-B9BC-4B1594B31ABC} = {18453B51-25EB-4317-A4B3-B10518252E92}
-		{8C4F6A2D-1E9F-4B3C-9D8E-7F5A6B4C3D2E} = {1B8D5897-902E-4632-8698-E89CAF3DDF54}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {D4B5CEAA-7D70-4FCB-A68E-B03FBE5E0E5E}

src/clients/Elsa.Api.Client/Resources/ActivityExecutions/Contracts/IActivityExecutionsApi.cs

@@ -45,4 +45,16 @@ public interface IActivityExecutionsApi
     /// <returns>The activity execution.</returns>
     [Get("/activity-executions/{id}")]
     Task<ActivityExecutionRecord?> GetAsync(string id, CancellationToken cancellationToken = default);
-}
+
+    /// <summary>
+    /// Gets the call stack (execution chain) for a given activity execution.
+    /// </summary>
+    /// <param name="id">The ID of the activity execution.</param>
+    /// <param name="includeCrossWorkflowChain">Whether to include parent workflow activities across workflow boundaries.</param>
+    /// <param name="skip">The number of items to skip (for pagination).</param>
+    /// <param name="take">The maximum number of items to return (for pagination).</param>
+    /// <param name="cancellationToken">An optional cancellation token.</param>
+    /// <returns>The response containing the call stack.</returns>
+    [Get("/activity-executions/{id}/call-stack")]
+    Task<ActivityExecutionCallStack> GetCallStackAsync(string id, bool? includeCrossWorkflowChain = null, int? skip = null, int? take = null, CancellationToken cancellationToken = default);
+}

src/clients/Elsa.Api.Client/Resources/ActivityExecutions/Models/ActivityExecutionCallStack.cs

@@ -0,0 +1,22 @@
+namespace Elsa.Api.Client.Resources.ActivityExecutions.Models;
+
+/// <summary>
+/// Represents a call stack (execution chain) for a given activity execution.
+/// </summary>
+public class ActivityExecutionCallStack
+{
+    /// <summary>
+    /// The ID of the activity execution that was requested.
+    /// </summary>
+    public string ActivityExecutionId { get; set; } = null!;
+
+    /// <summary>
+    /// The activity execution records in the call stack (ordered from root to current activity).
+    /// </summary>
+    public ICollection<ActivityExecutionRecord> Items { get; set; } = new List<ActivityExecutionRecord>();
+
+    /// <summary>
+    /// The total number of items in the full call stack chain.
+    /// </summary>
+    public long TotalCount { get; set; }
+}

src/clients/Elsa.Api.Client/Resources/ActivityExecutions/Models/ActivityExecutionRecord.cs

@@ -85,9 +85,37 @@ public class ActivityExecutionRecord : Entity
     /// Gets or sets the status of the activity.
     /// </summary>
     public ActivityStatus Status { get; set; }
+
+    /// <summary>
+    /// Gets or sets the aggregated count of faults encountered during the execution of the activity instance and its descendants.
+    /// </summary>
+    public int AggregateFaultCount { get; set; }
 
     /// <summary>
     /// Gets or sets the time at which the activity execution completed.
     /// </summary>
     public DateTimeOffset? CompletedAt { get; set; }
-}
+
+    /// <summary>
+    /// The ID of the activity execution context that scheduled this activity execution.
+    /// This represents the temporal/execution predecessor that directly triggered execution of this activity.
+    /// </summary>
+    public string? SchedulingActivityExecutionId { get; set; }
+
+    /// <summary>
+    /// The ID of the activity that scheduled this activity execution (denormalized for convenience).
+    /// </summary>
+    public string? SchedulingActivityId { get; set; }
+
+    /// <summary>
+    /// The workflow instance ID of the workflow that scheduled this activity execution.
+    /// This is set when crossing workflow boundaries (e.g., via ExecuteWorkflow or DispatchWorkflow).
+    /// </summary>
+    public string? SchedulingWorkflowInstanceId { get; set; }
+
+    /// <summary>
+    /// The depth of this activity in the call stack (0 for root activities).
+    /// Calculated by traversing the SchedulingActivityExecutionId chain until reaching null.
+    /// </summary>
+    public int? CallStackDepth { get; set; }
+}