Fix transient health checks and avoid unnecessary recovery

src/lib/server/fleet/lifecycle-evidence.ts

@@ -0,0 +1,8 @@
+import { db } from '../db/index.js';
+
+/** Reports from before the latest lifecycle submission describe the old process. */
+export function latestGameSubmission(server: string): string | null {
+    return (db().prepare(`SELECT MAX(at) AS at FROM (
+        SELECT submitted_at AS at FROM server_deployments WHERE server=? AND server_deleted_at IS NULL AND action IN ('create','start','restart','rebuild')
+        UNION ALL SELECT requested_at AS at FROM restart_rollout WHERE server=?)`).get(server, server) as { at: string | null }).at;
+}