[dotnet-code] Refactor Copilot session event dispatch

[michelle-clayton-work]

This pull request refactors how session events are handled in the copilotagent provider by extracting the event-to-update logic into a new helper method. This makes the code easier to maintain and read by reducing the complexity of the main run loop.

Refactoring and Code Organization:

• Extracted the switch-case logic for handling different copilot.SessionEvent types from the main run method into a new helper method responseUpdateForSessionEvent, which returns the appropriate ResponseUpdate, a done flag, and an error if present. [1] [2]
• Simplified the run method by replacing the inline switch-case with a single call to responseUpdateForSessionEvent.

This change improves code readability and makes it easier to add or modify session event handling in the future.

• [dotnet-code] Refactor Copilot session event dispatch #376

[Copilot]

Pull request overview

Refactors Copilot session event handling in copilotagent by extracting the event-to-ResponseUpdate conversion logic into a dedicated helper, keeping the run loop focused on queueing/yielding updates and termination/error handling.

Changes:

• Extracted the session event switch from run into responseUpdateForSessionEvent.
• Standardized event dispatch to return (update, done, err) for simpler control flow in the main loop.

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[github-actions]

Cross-Repo Consistency Review — No Parity Issues

This PR is an internal refactor only. The change extracts the switch-case session-event dispatch logic into a new unexported helper method responseUpdateForSessionEvent; the calling method run is also unexported.

No exported Go APIs, option types, or observable runtime behavior were changed. This refactoring is equivalent to moving private implementation details in .NET or Python, which carries no cross-SDK parity concern.

✅ No cross-repo consistency issues to report.

Generated by Go API Consistency Review Agent for #393 · 29.8 AIC · ⌖ 12.7 AIC · ⊞ 28.8K · ◷