1\begin{tabular}{lr}2\toprule3Stage & n \\4\midrule5Records identified (all sources) & 103,011 \\6\quad crossref & 51,589 \\7\quad semanticscholar\_bulk & 37,585 \\8\quad arxiv & 13,400 \\9\quad semanticscholar\_citations & 237 \\10\quad openalex & 200 \\11Unique records after deduplication & 56,727 \\12\quad with an abstract & 17,863 \\13Stage-1 candidates (rule-based) & 7,075 \\14Screened by independent agents (title/abstract) & 7,083 \\15\quad excluded with a coded reason & 3,440 \\16\quad unclear, flagged for review & 428 \\17\quad included: hedonic coefficient studies & 2,249 \\18\quad included: ML/AVM predictive studies & 897 \\19Open-access full texts sought (hedonic + unclear) & 2,667 \\20\quad retrieved & 501 \\21Full texts assessed and extracted & 297 \\22\quad eligible for coefficient synthesis & 242 \\23Search queries executed & 67 \\24\bottomrule25\end{tabular}26