.NET: Add error checking to workflow samples#5175

Draft

Copilot wants to merge 3 commits intomainfrom

copilot/add-error-checking-workflow-samples

Commits on Apr 8, 2026

Initial plan
Copilot
authored
Add WorkflowErrorEvent and ExecutorFailedEvent error checking to all workflow samples

Copilot
and
lokitoth
authored
Fix if/else if consistency for error event handlers per code review feedback

Copilot
and
lokitoth
authored