Function mergeAndWrite

Returns Promise<
    {
        _architect?: string;
        _architectTokens?: number;
        _architectTokensAvg?: number;
        _archived?: boolean;
        _archivedAt?: string;
        _builder?: string;
        _builderTokens?: number;
        _builderTokensAvg?: number;
        _content?: string;
        _critic?: string;
        _criticTokens?: number;
        _criticTokensAvg?: number;
        _crossRefs?: string[];
        _depth?: number;
        _emphasis?: number;
        _error?: {
            code: string;
            message: string;
            step: "architect"
            | "builder"
            | "critic";
        };
        _feedback?: string;
        _generatedAt?: string;
        _id?: string;
        _state?: unknown;
        _steer?: string;
        _structureHash?: string;
        _synthesisCount?: number;
        [key: string]: unknown;
    },
>

The updated MetaJson.