\begin{tabular}{lr}
\toprule
Stage & n \\
\midrule
Records identified (all sources) & 103,011 \\
\quad crossref & 51,589 \\
\quad semanticscholar\_bulk & 37,585 \\
\quad arxiv & 13,400 \\
\quad semanticscholar\_citations & 237 \\
\quad openalex & 200 \\
Unique records after deduplication & 56,727 \\
\quad with an abstract & 17,863 \\
Stage-1 candidates (rule-based) & 7,075 \\
Screened by independent agents (title/abstract) & 7,083 \\
\quad excluded with a coded reason & 3,440 \\
\quad unclear, flagged for review & 428 \\
\quad included: hedonic coefficient studies & 2,249 \\
\quad included: ML/AVM predictive studies & 897 \\
Open-access full texts sought (hedonic + unclear) & 2,667 \\
\quad retrieved & 501 \\
Full texts assessed and extracted & 297 \\
\quad eligible for coefficient synthesis & 242 \\
Search queries executed & 67 \\
\bottomrule
\end{tabular}