added option for impact route to return a specific map with ?mapName parameter

discord_verificiation/playtime-frontend/lib/mapImpact.ts

@@ -235,14 +235,23 @@ export async function getMapImpactLeaderboard(
   direction: 'asc' | 'desc',
   limit = 50,
   offset = 0,
+  mapNames?: string[],
 ): Promise<MapImpactSummary[]> {
   const all = await getMapImpactStatsCached();
+  const filtered = mapNames && mapNames.length > 0
+    ? (() => {
+        const wanted = new Set(mapNames.map((n) => n.toLowerCase()));
+        return all.filter((m) => wanted.has(m.map_name.toLowerCase()));
+      })()
+    : all;
   const sign = direction === 'asc' ? 1 : -1;
-  const sorted = [...all].sort((a, b) => {
+  const sorted = [...filtered].sort((a, b) => {
     const av = sortBy === 'popularity' ? a.times_played : a.avg_net_change ?? 0;
     const bv = sortBy === 'popularity' ? b.times_played : b.avg_net_change ?? 0;
     if (av !== bv) return sign * (av - bv);
     return b.times_played - a.times_played; // stable tiebreaker, matches old ORDER BY ..., times_played DESC
   });
-  return sorted.slice(offset, offset + limit);
+  // When specific map names are requested, return all matches rather than
+  // paginating — the caller asked for those exact maps, not a page of them.
+  return mapNames && mapNames.length > 0 ? sorted : sorted.slice(offset, offset + limit);
 }