};

    var state = {
        sessionId: null,
        isProcessing: false,
        eventSource: null,
        currentPhase: null,
        completedPhases: [],
        lastMessage: null,
        lastError: null,
        errorHandled: false,
        filters: { labels: [], extraQueries: [] }
    };

    var elements = {};

    var phaseOrder = ['intent', 'search', 'evaluate', 'fetch', 'answer'];

    /**