@sema-agent/core/dist/core/runner/resume-claim.js

Stateless, task-oriented AI agent core

import { CheckpointError } from "../checkpoint-store.js";
export async function resumeClaim(input) {
    const { token, cp, store, outcomeForStore, locallyClaimedTokens, parentConstraintRegistry } = input;
    locallyClaimedTokens.add(token);
    let won;
    let claimLossStatus;
    if (store.claimTerminal !== undefined) {
        const claim = await store.claimTerminal(token, cp.scope, { kind: "resolve", outcome: outcomeForStore, expect: { rev: cp.rev ?? 0 } });
        won = claim.claimed;
        if (!claim.claimed)
            claimLossStatus = claim.current.status;
    }
    else {
        won = await store.resolve(token, cp.scope, outcomeForStore, { rev: cp.rev ?? 0 });
    }
    if (!won)
        locallyClaimedTokens.delete(token);
    if (!won) {
        const stillPending = claimLossStatus !== undefined ? claimLossStatus === "pending" : (await store.get(token))?.status === "pending";
        if (stillPending) {
            throw new CheckpointError("checkpoint.reopened_concurrently", "checkpoint changed concurrently (its revision advanced via a resolve/reopen cycle since this resume validated) — not executed; re-resume against the current state");
        }
        parentConstraintRegistry.delete(token);
        throw new CheckpointError("checkpoint.already_resolved", "checkpoint already resolved or expired — not re-executed (idempotent)");
    }
    return await input.next({});
}