Add exclusive map ownership and capacity-aware autoscaling creation

src/lib/server/fleet/collections.ts

@@ -1,3 +1,4 @@
+import { scalingOwnershipBlocker } from '../autoscaling/ownership.js';
 import { fleetSettings } from '../settings.js';
 import { randomUUID } from 'node:crypto';
 import type { CollectionDetail, CollectionMode, CollectionPreview, CollectionSummary } from '$lib/deployment-plan.js';
@@ -97,6 +98,7 @@ function allocate(entries: BlueprintEntry[], counts = coverage(entries)): Collec
 
 function blockersFor(servers: CollectionPreview['servers'], entries: BlueprintEntry[] = []): string[] {
     const blockers: string[] = [];
+    for (const server of servers) if (server.name) { const owned = scalingOwnershipBlocker(server.name); if (owned) blockers.push(owned); }
     if (!servers.length) return blockers;
     if (servers.some(server => !server.native && !entries[server.entryIndex]?.recipe.native)) blockers.push('Select and prepare a host before launching.');
     if (servers.some(server => !server.name)) blockers.push('There are not enough free lobbies for one or more maps (20 per map). Reduce their counts or free capacity.');
@@ -113,6 +115,8 @@ function removalBlockersFor(removals: CollectionPreview['removals']): string[] {
     };
     if (removals.some(server => !native(server.name))) blockers.push('Every server to remove must have a native host instance.');
     for (const server of removals) {
+        const owned = scalingOwnershipBlocker(server.name);
+        if (owned) blockers.push(owned);
         const blocker = activeBetaRemovalBlocker(server.name);
         if (blocker) blockers.push(blocker);
     }