\section*{OPT Roots and Characteristic Agent Failure Modes}
\label{tab:opt-agent-failures}

\begin{center}
\begin{tabular}{p{2.5cm} p{4.5cm} p{6cm}}
\hline
\textbf{OPT Root} & \textbf{Primary Mechanism} & \textbf{Characteristic Failure Modes} \\
\hline
\Lrn & Parametric learning &
Overfitting, distributional shift, catastrophic forgetting, spurious
correlations \\

\Evo & Evolutionary adaptation &
Premature convergence, loss of diversity, unstable fitness dynamics \\

\Sym & Symbolic reasoning &
Rule inconsistency, brittleness, combinatorial rule explosion \\

\Prb & Probabilistic inference &
Miscalibration, uncertainty collapse, incorrect priors \\

\Sch & Search and optimization &
Heuristic bias, local minima, combinatorial explosion \\

\Ctl & Control and feedback &
Oscillation, instability, delayed response, unsafe transients \\

\Swm & Swarm dynamics &
Incoherent emergence, sensitivity to noise, coordination failure \\
\hline
\end{tabular}
\end{center}