Add better step telemetry and tracing for composite Actions (#1229)

* Add Step Telemetry

* better telemetry and tracing

* cleanup

src/Runner.Worker/ExecutionContext.cs

@@ -50,6 +50,7 @@ namespace GitHub.Runner.Worker
         Dictionary<string, string> IntraActionState { get; }
         Dictionary<string, VariableValue> JobOutputs { get; }
         ActionsEnvironmentReference ActionsEnvironment { get; }
+        List<ActionsStepTelemetry> ActionsStepsTelemetry { get; }
         DictionaryContextData ExpressionValues { get; }
         IList<IFunctionInfo> ExpressionFunctions { get; }
         JobContext JobContext { get; }
@@ -146,6 +147,7 @@ namespace GitHub.Runner.Worker
         public Dictionary<string, VariableValue> JobOutputs { get; private set; }
 
         public ActionsEnvironmentReference ActionsEnvironment { get; private set; }
+        public List<ActionsStepTelemetry> ActionsStepsTelemetry { get; private set; }
         public DictionaryContextData ExpressionValues { get; } = new DictionaryContextData();
         public IList<IFunctionInfo> ExpressionFunctions { get; } = new List<IFunctionInfo>();
 
@@ -637,6 +639,9 @@ namespace GitHub.Runner.Worker
             // Actions environment
             ActionsEnvironment = message.ActionsEnvironment;
 
+            // ActionsStepTelemetry
+            ActionsStepsTelemetry = new List<ActionsStepTelemetry>();
+
             // Service container info
             Global.ServiceContainers = new List<ContainerInfo>();
 
@@ -967,6 +972,18 @@ namespace GitHub.Runner.Worker
             context.Write(null, message);
         }
 
+        public static void WriteDetails(this IExecutionContext context, string message)
+        {
+            if (context.IsEmbedded)
+            {
+                context.Debug(message);
+            }
+            else
+            {
+                context.Output(message);
+            }
+        }
+
         // Do not add a format string overload. See comment on ExecutionContext.Write().
         public static void Command(this IExecutionContext context, string message)
         {