@sema-agent/core/dist/core/runner/prepare-question-face.js

Stateless, task-oriented AI agent core

import { createAskUserQuestionTool, isLiveQuestionFace } from "../ask-question.js";
import { boundInputHashOf } from "../canonical-json.js";
import { durableParkOptInDeclared } from "../tool-policy.js";
import { CONTENT_ASK_BINDING_CAP } from "./content-ask-bindings.js";
import { RosterBuilder } from "../tool-roster.js";
export { CONTENT_ASK_BINDING_CAP } from "./content-ask-bindings.js";
export function prepareQuestionFace(input) {
    const { frozenOnQuestion, spec, deps, checkpointStore, runtimeCaps, resolvedInteractionPosture, resume, sessionId, roster, inheritedUnavailableAsks } = input;
    const tools = roster.tools;
    const onQuestion = frozenOnQuestion;
    const liveQuestionFace = isLiveQuestionFace(onQuestion) ? onQuestion : undefined;
    const contentAskBindings = new Map();
    const questionParkStoreWired = checkpointStore !== undefined;
    const questionDurableMandateBinding = runtimeCaps?.forceDurableGate === true && questionParkStoreWired;
    const contentAskRoutable = (toolCallId) => liveQuestionFace !== undefined &&
        mountedQuestionTool !== undefined &&
        tools.includes(mountedQuestionTool) &&
        !questionDurableMandateBinding &&
        !inheritedUnavailableAsks().has(toolCallId);
    const lateStrandedAnswers = [];
    const discloseStrandedAnswers = (records, why) => {
        if (records.length === 0)
            return;
        try {
            deps.onError?.(new Error(`AskUserQuestion: ${records.length} question(s) were answered by a person but the call never ` +
                `executed to collect the answer (${records.map((r) => `${r.toolCallId} [delivery ${r.deliveryId}]`).join(", ")}) — ${why}. The answer(s) were NOT ` +
                `delivered to the model and are gone with this leg; re-ask if the decision is still needed.`), { phase: "degraded", sessionId, classification: "unconsumed-human-answer" });
        }
        catch {
        }
    };
    const settleContentAskBindings = () => {
        const stranded = [];
        for (const [callId, bound] of contentAskBindings) {
            if (bound.kind === "answered")
                stranded.push({ deliveryId: bound.deliveryId, toolCallId: callId });
        }
        contentAskBindings.clear();
        discloseStrandedAnswers(stranded, "the leg ended first (abort, batch teardown, or a loop failure)");
        const byDelivery = new Map();
        for (const r of [...stranded, ...lateStrandedAnswers])
            byDelivery.set(r.deliveryId, r);
        return [...byDelivery.values()];
    };
    const durableQuestionFace = questionParkStoreWired && durableParkOptInDeclared({ forceDurableGate: runtimeCaps?.forceDurableGate === true, durableApprovalDeclared: spec.durableApproval !== undefined });
    const mountedQuestionFace = liveQuestionFace !== undefined
        ? async (req, signal) => {
            const bound = contentAskBindings.get(req.toolCallId);
            if (bound !== undefined) {
                if (bound.questionsHash === boundInputHashOf(req.questions)) {
                    contentAskBindings.delete(req.toolCallId);
                    if (bound.kind === "answered")
                        return bound.answer;
                    throw bound.error;
                }
                contentAskBindings.delete(req.toolCallId);
            }
            return liveQuestionFace(req, signal);
        }
        : onQuestion;
    const questionToolMounted = spec.interactiveTools === true || (spec.interactiveTools !== false && (onQuestion !== undefined || durableQuestionFace));
    let mountedQuestionTool;
    if (questionToolMounted)
        roster.mount((mountedQuestionTool =
            createAskUserQuestionTool(mountedQuestionFace, { principal: spec.principal, sourceTaskId: sessionId }, {
                ...(resume?.redeemedContentAskCallId !== undefined
                    ? {
                        redeemedApprovalCallId: resume.redeemedContentAskCallId,
                        ...(resume.redeemedContentAskQuestionsHash !== undefined ? { redeemedApprovalQuestionsHash: resume.redeemedContentAskQuestionsHash } : {}),
                    }
                    : {}),
                ...(resolvedInteractionPosture !== undefined ? { posture: resolvedInteractionPosture } : {}),
                ...(spec.interactiveQuestionFallback === true ? { interactiveFallback: true } : {}),
                onSyntheticContinuation: ({ questionId, reason }) => {
                    deps.onError?.(new Error(`AskUserQuestion ${questionId}: no human answer was obtainable (` +
                        (reason === "seam_absent"
                            ? "no onQuestion seam is wired"
                            : reason === "declined_unavailable"
                                ? "the wired question channel reported nobody was reachable"
                                : "the wired question channel failed") +
                        `) — the model was instructed to self-answer and the run CONTINUES (warning, not a failure).`), { phase: "degraded", sessionId, classification: "no-human-autoanswered" });
                },
            })), { source: "builtin", mountedBy: "optional" });
    return { checkpointStore, liveQuestionFace, contentAskBindings, contentAskRoutable, lateStrandedAnswers, discloseStrandedAnswers, settleContentAskBindings, durableQuestionFace, mountedQuestionFace, questionToolMounted, mountedQuestionTool };
}