@openai/agents-core/dist/runner/modelSettings.js

The OpenAI Agents SDK is a lightweight yet powerful framework for building multi-agent workflows.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.mergeModelSettings = void 0;
exports.selectModel = selectModel;
exports.maybeResetToolChoice = maybeResetToolChoice;
exports.adjustModelSettingsForLegacyModel = adjustModelSettingsForLegacyModel;
const agent_1 = require("../agent.js");
const defaultModel_1 = require("../defaultModel.js");
var modelSettingsMerge_1 = require("./modelSettingsMerge.js");
Object.defineProperty(exports, "mergeModelSettings", { enumerable: true, get: function () { return modelSettingsMerge_1.mergeModelSettings; } });
const hasReasoningModelSettings = (settings) => {
    const providerData = settings?.providerData;
    return Boolean(providerData?.reasoning ||
        providerData?.text?.verbosity ||
        providerData
            ?.reasoning_effort);
};
/**
 * Resolves the effective model for the next turn by giving precedence to the agent-specific
 * configuration when present, otherwise falling back to the runner-level default.
 */
function selectModel(agentModel, runConfigModel) {
    if ((typeof agentModel === 'string' &&
        agentModel !== agent_1.Agent.DEFAULT_MODEL_PLACEHOLDER) ||
        agentModel) {
        return agentModel;
    }
    return runConfigModel ?? agentModel ?? agent_1.Agent.DEFAULT_MODEL_PLACEHOLDER;
}
/**
 * Resets the tool choice when the agent is configured to prefer a fresh tool selection after
 * any tool usage. This prevents the provider from reusing stale tool hints across turns.
 */
function maybeResetToolChoice(agent, toolUseTracker, modelSettings) {
    if (agent.resetToolChoice &&
        toolUseTracker.hasUsedTools(agent) &&
        modelSettings.toolChoice !== 'none') {
        return { ...modelSettings, toolChoice: undefined };
    }
    return modelSettings;
}
/**
 * Preserves legacy settings cleanup for explicitly selected models outside the
 * GPT-5-and-newer reasoning family when the default model belongs to that family.
 */
function adjustModelSettingsForLegacyModel(explicitlyModelSet, agentModelSettings, modelSettings, resolvedModelName) {
    // Only a resolved string selection establishes model identity.
    const isLegacyModel = typeof resolvedModelName === 'string' &&
        !(0, defaultModel_1.isGpt5OrNewerReasoningModel)(resolvedModelName);
    const hasReasoningSettings = hasReasoningModelSettings(agentModelSettings) ||
        hasReasoningModelSettings(modelSettings);
    if ((0, defaultModel_1.isGpt5OrNewerDefault)() &&
        explicitlyModelSet &&
        isLegacyModel &&
        hasReasoningSettings) {
        return stripReasoningModelSettings(modelSettings);
    }
    return modelSettings;
}
function stripReasoningModelSettings(modelSettings) {
    const copiedProviderData = modelSettings.providerData
        ? { ...modelSettings.providerData }
        : undefined;
    if (copiedProviderData) {
        if (copiedProviderData.text &&
            typeof copiedProviderData.text === 'object') {
            copiedProviderData.text = { ...copiedProviderData.text };
            delete copiedProviderData.text.verbosity;
        }
        delete copiedProviderData.reasoning;
        delete copiedProviderData.reasoning_effort;
    }
    const copiedModelSettings = {
        ...modelSettings,
        providerData: copiedProviderData,
    };
    if (modelSettings.retry) {
        copiedModelSettings.retry = { ...modelSettings.retry };
        if (modelSettings.retry.backoff) {
            copiedModelSettings.retry.backoff = { ...modelSettings.retry.backoff };
        }
    }
    if (modelSettings.reasoning) {
        copiedModelSettings.reasoning = { ...modelSettings.reasoning };
    }
    if (modelSettings.text) {
        copiedModelSettings.text = { ...modelSettings.text };
    }
    delete copiedModelSettings.providerData?.reasoning;
    delete copiedModelSettings.providerData?.text?.verbosity;
    delete copiedModelSettings.providerData?.reasoning_effort;
    if (copiedModelSettings.reasoning) {
        delete copiedModelSettings.reasoning.effort;
        delete copiedModelSettings.reasoning.summary;
    }
    if (copiedModelSettings.text) {
        delete copiedModelSettings.text.verbosity;
    }
    return copiedModelSettings;
}
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