SECTION-ROUTE a chunk across the articles ROUTE matched for it — the hierarchical pruning is exactly this: callers pass ONLY the matched articles, so the M×N grid is bounded to (matched articles × their sections), never the whole vault.
SECTION-ROUTE a chunk across the articles ROUTE matched for it — the hierarchical pruning is exactly this: callers pass ONLY the matched articles, so the M×N grid is bounded to (matched articles × their sections), never the whole vault.