Cache Plutonium runtime files on hosts

src/routes/api/agent/heartbeat/+server.ts

@@ -1,5 +1,5 @@
 import { json } from '@sveltejs/kit';
-import { heartbeat, pendingCreationCancellations } from '$lib/server/hosts/index.js';
+import { heartbeat, pendingCreationCancellations, shouldDeferPlutoniumPreparation } from '$lib/server/hosts/index.js';
 import { authenticateAgent, hostApiError, objectBody } from '$lib/server/hosts/http.js';
 import { reconcileHostPreparation } from '$lib/server/hosts/preparation.js';
 import { reconcileHostLibraryCleanup } from '$lib/server/game-files/index.js';
@@ -17,6 +17,7 @@ export async function POST({ request }: { request: Request }) {
         reconcileHostPreparation(host.id);
         reconcileHostLibraryCleanup(host.id);
         return json({ host, cancelledCreations: pendingCreationCancellations(host.id), heartbeatSeconds: 15,
+            deferPlutoniumPreparation: shouldDeferPlutoniumPreparation(host.id),
             observationKeepDays: fleetSettings().observationKeepDays, serverTime: new Date().toISOString() });
     } catch (cause) { return hostApiError(cause); }
 }

src/routes/hosts/operations/+page.svelte

@@ -90,7 +90,7 @@
                     <thead><tr><th scope="col">Operation</th><th scope="col">Host</th><th scope="col">Target</th><th scope="col">Source</th><th scope="col">State</th><th scope="col">Updated</th><th scope="col">Result</th></tr></thead>
                     <tbody>{#each history.operations as operation (operation.id)}
                         <tr>
-                            <td class="operation">{operation.kind}<small>{operation.id}</small></td>
+                            <td class="operation">{operation.kind === 'plutonium.prepare' ? 'Prepare Plutonium cache' : operation.kind}<small>{operation.id}</small></td>
                             <td>{#if operation.hostName !== null}<a href={contextHref(`/hosts/${operation.hostId}`, $page.url)}>{operation.hostName}</a>{:else}Deleted host<small>{operation.hostId}</small>{/if}</td>
                             <td class="target">
                                 <span>{operation.serverName ?? operation.instanceId ?? 'Host-level'}</span>