Method build_request_body

crates/opencode-provider/src/openai.rs:511–536

(request: &ChatRequest)

    }

    fn build_request_body(request: &ChatRequest) -> Result<Value, ProviderError> {
        let mut value = serde_json::to_value(request)
            .map_err(|e| ProviderError::InvalidRequest(e.to_string()))?;

        if let Value::Object(obj) = &mut value {
            // Merge provider_options into the top-level body (matching TS SDK behavior).
            // The TS SDK spreads provider options directly into the request body so that
            // provider-specific fields like `thinking`, `enable_thinking`, etc. are sent
            // as top-level keys rather than nested under `provider_options`.
            if let Some(Value::Object(opts)) = obj.remove("provider_options") {
                for (k, v) in opts {
                    obj.entry(k).or_insert(v);
                }
            }

            let effort = openai_reasoning_effort(&request.model, request.variant.as_deref());
            if let Some(effort) = effort {
                obj.insert(
                    "reasoning_effort".to_string(),
                    Value::String(effort.to_string()),
                );
            }
        }

        Ok(value)
    }

    fn responses_url(base_url: Option<&str>, path: &str) -> String {
        let path = path.trim_start_matches('/');