Limit collection targets to 15 lobbies per map

src/lib/server/fleet/launch-recipes.ts

@@ -61,7 +61,7 @@ function buildEntries(input: unknown): BlueprintSelection[] {
     const entries = input.map(entry => {
         if (!entry || (entry.game !== 't5' && entry.game !== 't6') || typeof entry.mapSlug !== 'string'
             || !zombieMapBySlug(entry.game, entry.mapSlug)) throw new Error('Each selection needs a supported game and map.');
-        if (!Number.isSafeInteger(entry.count) || entry.count < 1 || entry.count > 20) throw new Error('Choose 1–20 lobbies for each map.');
+        if (!Number.isSafeInteger(entry.count) || entry.count < 1 || entry.count > 15) throw new Error('Choose 1–15 lobbies for each map.');
         const key = `${entry.game}:${entry.mapSlug}`;
         if (seen.has(key)) throw new Error('Each game/map can appear once. Increase its lobby count instead.');
         seen.add(key);