.NET: Fixes for durable agents integration tests (#4952)

* Fixing for durable agents integration tests

* Add further fixes

dotnet/samples/04-hosting/DurableAgents/AzureFunctions/06_LongRunningTools/FunctionTriggers.cs

@@ -35,13 +35,15 @@ public static class FunctionTriggers
         int iterationCount = 0;
         while (iterationCount++ < input.MaxReviewAttempts)
         {
+            // NOTE: CustomStatus has a 16 KB UTF-16 limit in Durable Functions.
+            // Only include short metadata here - the full content is passed via activity inputs/outputs.
             context.SetCustomStatus(
                 new
                 {
                     message = "Requesting human feedback.",
                     approvalTimeoutHours = input.ApprovalTimeoutHours,
                     iterationCount,
-                    content
+                    contentTitle = content.Title,
                 });
 
             // Step 2: Notify user to review the content
@@ -63,7 +65,6 @@ public static class FunctionTriggers
                     {
                         message = $"Human approval timed out after {input.ApprovalTimeoutHours} hour(s). Treating as rejection.",
                         iterationCount,
-                        content
                     });
                 throw new TimeoutException($"Human approval timed out after {input.ApprovalTimeoutHours} hour(s).");
             }
@@ -73,7 +74,7 @@ public static class FunctionTriggers
                 context.SetCustomStatus(new
                 {
                     message = "Content approved by human reviewer. Publishing content...",
-                    content
+                    contentTitle = content.Title,
                 });
 
                 // Step 4: Publish the approved content
@@ -83,7 +84,7 @@ public static class FunctionTriggers
                 {
                     message = $"Content published successfully at {context.CurrentUtcDateTime:s}",
                     humanFeedback = humanResponse,
-                    content
+                    contentTitle = content.Title,
                 });
                 return new { content = content.Content };
             }
@@ -92,7 +93,7 @@ public static class FunctionTriggers
             {
                 message = "Content rejected by human reviewer. Incorporating feedback and regenerating...",
                 humanFeedback = humanResponse,
-                content
+                contentTitle = content.Title,
             });
 
             // Incorporate human feedback and regenerate

dotnet/samples/04-hosting/DurableAgents/ConsoleApps/06_LongRunningTools/Program.cs

@@ -77,13 +77,15 @@ static async Task<object> RunOrchestratorAsync(TaskOrchestrationContext context,
     int iterationCount = 0;
     while (iterationCount++ < input.MaxReviewAttempts)
     {
+        // NOTE: CustomStatus has a 16 KB UTF-16 limit in Durable Functions.
+        // Only include short metadata here - the full content is passed via activity inputs/outputs.
         context.SetCustomStatus(
             new
             {
                 message = "Requesting human feedback.",
                 approvalTimeoutHours = input.ApprovalTimeoutHours,
                 iterationCount,
-                content
+                contentTitle = content.Title,
             });
 
         // Step 2: Notify user to review the content
@@ -105,7 +107,6 @@ static async Task<object> RunOrchestratorAsync(TaskOrchestrationContext context,
                 {
                     message = $"Human approval timed out after {input.ApprovalTimeoutHours} hour(s). Treating as rejection.",
                     iterationCount,
-                    content
                 });
             throw new TimeoutException($"Human approval timed out after {input.ApprovalTimeoutHours} hour(s).");
         }
@@ -115,7 +116,7 @@ static async Task<object> RunOrchestratorAsync(TaskOrchestrationContext context,
             context.SetCustomStatus(new
             {
                 message = "Content approved by human reviewer. Publishing content...",
-                content
+                contentTitle = content.Title,
             });
 
             // Step 4: Publish the approved content
@@ -125,7 +126,7 @@ static async Task<object> RunOrchestratorAsync(TaskOrchestrationContext context,
             {
                 message = $"Content published successfully at {context.CurrentUtcDateTime:s}",
                 humanFeedback = humanResponse,
-                content
+                contentTitle = content.Title,
             });
             return new { content = content.Content };
         }
@@ -134,7 +135,7 @@ static async Task<object> RunOrchestratorAsync(TaskOrchestrationContext context,
         {
             message = "Content rejected by human reviewer. Incorporating feedback and regenerating...",
             humanFeedback = humanResponse,
-            content
+            contentTitle = content.Title,
         });
 
         // Incorporate human feedback and regenerate

dotnet/samples/04-hosting/DurableAgents/ConsoleApps/07_ReliableStreaming/Program.cs

@@ -285,6 +285,7 @@ async Task ReadStreamTask(string conversationId, string? cursor, CancellationTok
         if (chunk.Text != null)
         {
             Console.Write(chunk.Text);
+            Console.Out.Flush();
         }
 
         // Always update lastCursor to track the latest entry ID, even if text is null

dotnet/tests/Microsoft.Agents.AI.Hosting.AzureFunctions.IntegrationTests/SamplesValidation.cs

@@ -35,7 +35,7 @@ public sealed class SamplesValidation(ITestOutputHelper outputHelper) : IAsyncLi
             .Build();
 
     private static bool s_infrastructureStarted;
-    private static readonly TimeSpan s_orchestrationTimeout = TimeSpan.FromMinutes(1);
+    private static readonly TimeSpan s_orchestrationTimeout = TimeSpan.FromMinutes(2);
 
     // In CI, `dotnet run` builds the Functions project from scratch before the host starts, so 60s is not enough.
     private static readonly TimeSpan s_functionsReadyTimeout = TimeSpan.FromSeconds(180);