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The phase of an assistant message. Use commentary for an intermediate assistant message and final_answer for the final assistant message. For follow-up requests with models like gpt-5.3-codex and later, preserve and resend phase on all assistant messages. Omitting it can degrade performance. Not used for user messages.

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Supported Types

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InputsPhaseCommentary

inputsPhaseUnion := components.CreateInputsPhaseUnionInputsPhaseCommentary(components.InputsPhaseCommentary{/* values here */})

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InputsPhaseFinalAnswer

inputsPhaseUnion := components.CreateInputsPhaseUnionInputsPhaseFinalAnswer(components.InputsPhaseFinalAnswer{/* values here */})

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inputsPhaseUnion := components.CreateInputsPhaseUnionAny(any{/* values here */})

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Union Discrimination

Use the Type field to determine which variant is active, then access the corresponding field: 
switch inputsPhaseUnion.Type {
	case components.InputsPhaseUnionTypeInputsPhaseCommentary:
		// inputsPhaseUnion.InputsPhaseCommentary is populated
	case components.InputsPhaseUnionTypeInputsPhaseFinalAnswer:
		// inputsPhaseUnion.InputsPhaseFinalAnswer is populated
	case components.InputsPhaseUnionTypeAny:
		// inputsPhaseUnion.Any is populated
}