Function extractCodexConfig

internal/thinking/apply.go:637–648

extractCodexConfig extracts thinking configuration from Codex format request body. Codex API format (OpenAI Responses API): - reasoning.effort: "none", "low", "medium", "high" This is similar to OpenAI but uses nested field "reasoning.effort" instead of "reasoning_effort".

(body []byte)

//
// This is similar to OpenAI but uses nested field "reasoning.effort" instead of "reasoning_effort".
func extractCodexConfig(body []byte) ThinkingConfig {
	// Check reasoning.effort (Codex / OpenAI Responses API format)
	if effort := gjson.GetBytes(body, "reasoning.effort"); effort.Exists() {
		value := effort.String()
		if value == "none" {
			return ThinkingConfig{Mode: ModeNone, Budget: 0}
		}
		return ThinkingConfig{Mode: ModeLevel, Level: ThinkingLevel(value)}
	}

	return ThinkingConfig{}
}