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[dotnet-code] Refactor Copilot session event dispatch #393

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Merged
gdams merged 2 commits into from
Jun 30, 2026
Merged

[dotnet-code] Refactor Copilot session event dispatch #393

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776b0ce
Refactor Copilot session event dispatch
github-actions[bot] Jun 26, 2026
bb843b4
Merge branch 'main' into dotnet-code/copilot-event-dispatch-f1beb03e9…
michelle-clayton-work Jun 29, 2026
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46 changes: 22 additions & 24 deletions agent/provider/copilotagent/copilot.go
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Original file line number Diff line number Diff line change
Expand Up @@ -121,30 +121,7 @@ func (p *provider) run(ctx context.Context, messages []*message.Message, options
yield(nil, err)
return
}
var update *agent.ResponseUpdate
var done bool
var eventErr error
switch data := event.Data.(type) {
case *copilot.AssistantMessageDeltaData:
update = p.assistantMessageDeltaUpdate(event, data)
case *copilot.AssistantMessageData:
update = p.assistantMessageUpdate(event, data, isStreaming)
case *copilot.ToolExecutionStartData:
update = p.toolExecutionStartUpdate(event, data)
case *copilot.ToolExecutionCompleteData:
update = p.toolExecutionCompleteUpdate(event, data)
case *copilot.AssistantUsageData:
update = p.assistantUsageUpdate(event, data)
case *copilot.SessionIdleData:
update = rawEventUpdate(event)
done = true
case *copilot.SessionErrorData:
update = rawEventUpdate(event)
done = true
eventErr = fmt.Errorf("session error: %s", sessionErrorMessage(data))
default:
update = rawEventUpdate(event)
}
update, done, eventErr := p.responseUpdateForSessionEvent(event, isStreaming)
if update != nil {
if !yield(update, nil) {
return
Expand All @@ -161,6 +138,27 @@ func (p *provider) run(ctx context.Context, messages []*message.Message, options
}
}

func (p *provider) responseUpdateForSessionEvent(event copilot.SessionEvent, isStreaming bool) (*agent.ResponseUpdate, bool, error) {
switch data := event.Data.(type) {
case *copilot.AssistantMessageDeltaData:
return p.assistantMessageDeltaUpdate(event, data), false, nil
case *copilot.AssistantMessageData:
return p.assistantMessageUpdate(event, data, isStreaming), false, nil
case *copilot.ToolExecutionStartData:
return p.toolExecutionStartUpdate(event, data), false, nil
case *copilot.ToolExecutionCompleteData:
return p.toolExecutionCompleteUpdate(event, data), false, nil
case *copilot.AssistantUsageData:
return p.assistantUsageUpdate(event, data), false, nil
case *copilot.SessionIdleData:
return rawEventUpdate(event), true, nil
case *copilot.SessionErrorData:
return rawEventUpdate(event), true, fmt.Errorf("session error: %s", sessionErrorMessage(data))
default:
return rawEventUpdate(event), false, nil
}
}

type sessionEventQueue struct {
mu sync.Mutex
items []copilot.SessionEvent
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