feat: add durable asset synchronization worker

src/routes/api/sync/status/+server.ts

@@ -0,0 +1,20 @@
+import { json } from '@sveltejs/kit';
+import type { RequestHandler } from './$types';
+import { live, session } from '$lib/server/application';
+import { configuration } from '$lib/server/config';
+import { capabilityDisabledReason, capabilityEnabled } from '$lib/server/release-gate';
+
+export const GET: RequestHandler = async (event) => {
+  const config = configuration();
+  if (!capabilityEnabled('asset_sync', config.capabilityAllowlist)) return json({ error: capabilityDisabledReason('asset_sync') }, { status: 503 });
+  const current = await session(event);
+  if (!current) return json({ error: 'Connect an EVE character first.' }, { status: 401 });
+  const jobId = event.url.searchParams.get('job');
+  if (!jobId || jobId.length > 128) return json({ error: 'A sync job is required.' }, { status: 400 });
+  try {
+    const job = await live().store.syncJob(current.userId, jobId);
+    return job ? json(job) : json({ error: 'Sync job not found.' }, { status: 404 });
+  } catch {
+    return json({ error: 'Synchronization status unavailable.' }, { status: 503 });
+  }
+};