Pool Plutonium keys by game for launches and autoscaling

src/lib/server/autoscaling/planner.ts

@@ -21,7 +21,7 @@ export function planScaling(policy: ScalingPolicy, snapshot: ScalingSnapshot, no
             const matches = (name: string) => (snapshot.members.find(m => m.name === name)?.mapSlug ?? parseServerName(name)?.mapSlug) === map.slug;
             return planScaling({ ...policy, mapSlug: map.slug }, {
                 ...snapshot, members: snapshot.members.filter(m => matches(m.name)),
-                reservedNames: snapshot.reservedNames.filter(matches), keyedNames: snapshot.keyedNames.filter(matches)
+                reservedNames: snapshot.reservedNames.filter(matches)
             }, now);
         });
         // Serialize game-wide work and prefer replenishing any map before trimming another.
@@ -50,8 +50,12 @@ export function planScaling(policy: ScalingPolicy, snapshot: ScalingSnapshot, no
     if (policy.nextActionAt > now) return result('wait', 'Action cooldown is active.');
     if (occupied + empty < desired) {
         if (snapshot.reservedNames.length >= policy.maximum) return result('wait', 'Maximum lobby reservations reached.');
-        const available = snapshot.keyedNames.filter(name => !snapshot.reservedNames.includes(name)).sort((a, b) => a.localeCompare(b, 'en', { numeric: true }));
-        return available.length ? result('create', 'Replenish empty lobby capacity.', available[0]) : result('wait', 'No unused lobby identity has a saved key.');
+        if (!snapshot.keyPool.available) return result('wait', snapshot.keyPool.total
+            ? `All ${policy.game.toUpperCase()} Plutonium keys are in use. Waiting for a free key.`
+            : `No Plutonium keys are saved for ${policy.game.toUpperCase()}.`);
+        const available = Array.from({ length: 20 }, (_, index) => `${policy.game}_zombie_${policy.mapSlug}_${index + 1}`)
+            .find(name => !snapshot.reservedNames.includes(name));
+        return available ? result('create', 'Replenish empty lobby capacity.', available) : result('wait', 'No unused lobby identity is available.');
     }
     if (occupied + empty > desired && empty > policy.spares && occupied + empty > policy.minimum) {
         const candidates = members.filter(m => m.state === 'empty' && m.emptySince !== null && m.observedAt! - m.emptySince >= policy.emptyMinutes * 60_000)