.NET: Fix input signal issue during checkpoint restoration (microsoft#5085)

peibekwe · web-flow · commit d30103fee6b0 · 2026-04-03T22:58:25.000Z
* Improve workflow unit tests

* Update test name prefix for clarity.

* Update tests to surface any errors.

* fix check-point restore-time race in off-thread workflow event stream
diff --git a/dotnet/src/Microsoft.Agents.AI.Workflows/Execution/StreamingRunEventStream.cs b/dotnet/src/Microsoft.Agents.AI.Workflows/Execution/StreamingRunEventStream.cs
@@ -287,10 +287,6 @@ public void ClearBufferedEvents()
         {
             // Discard each event (including InternalCompletionSignals)
         }
-
-        // After clearing, signal the run loop to continue if needed
-        // The run loop will send a new completion signal when it finishes processing from the restored state
-        this.SignalInput();
     }
 
     public async ValueTask StopAsync()

Original file line number	Diff line number	Diff line change
`@@ -287,10 +287,6 @@ public void ClearBufferedEvents()`
`287`	`287`	`{`
`288`	`288`	`// Discard each event (including InternalCompletionSignals)`
`289`	`289`	`}`
`290`		`-`
`291`		`- // After clearing, signal the run loop to continue if needed`
`292`		`- // The run loop will send a new completion signal when it finishes processing from the restored state`
`293`		`- this.SignalInput();`
`294`	`290`	`}`
`295`	`291`
`296`	`292`	`public async ValueTask StopAsync()`