\subsection{Core results by question type} \begin{table}[H]\centering\scriptsize \caption{Synthetic family, core run, accuracy (\%) by question type (both pairs pooled; 95\,\% cluster-bootstrap CI).} \adjustbox{max width=\textwidth}{\input{tables/table_qtype_core}} \end{table} \subsection{Attempt outcomes by method} \begin{table}[H]\centering\scriptsize \caption{All attempts of the core run by status (retries included).} \input{tables/table_failures} \end{table} \subsection{Exploratory: question types not covered by the core (A-004)} \begin{figure}[H]\centering\includegraphics[width=\textwidth]{figA_qtypes_exploratory.pdf} \caption{EXPLORATORY. Accuracy on negation, revision/precedence, temporal order, aggregation, unit conversion and unanswerable questions (questions 6--15 of the 40 synthetic test documents) for a subset of methods; no confirmatory test attached.}\end{figure} \begin{table}[H]\centering\scriptsize \caption{EXPLORATORY question-type extension (\%, 95\,\% CI).} \adjustbox{max width=\textwidth}{\input{tables/table_qtypes_exploratory}} \end{table} \subsection{Question-access panels} \begin{figure}[H]\centering\includegraphics[width=\textwidth]{figA_quality_vs_bytes_blind.pdf} \caption{Question-blind conditions only (reusable messages).}\end{figure} \begin{figure}[H]\centering\includegraphics[width=\textwidth]{figA_quality_vs_bytes_aware.pdf} \caption{Question-aware conditions only (query-specific messages).}\end{figure}