fix: honor Komodo health and prefer fresh telemetry across fleet status

src/lib/server/db/index.ts

@@ -15,6 +15,7 @@ let _db: Database.Database | null = null;
 // IF NOT EXISTS in schema.sql is a no-op on existing tables, so it can't
 // backfill columns; this can.
 const SERVERS_COLUMNS: Array<{ name: string; ddl: string }> = [
+    { name: 'container_checked_at', ddl: 'ALTER TABLE servers ADD COLUMN container_checked_at TEXT' },
     { name: 'container_state', ddl: 'ALTER TABLE servers ADD COLUMN container_state TEXT' },
     { name: 'desired_state', ddl: "ALTER TABLE servers ADD COLUMN desired_state TEXT NOT NULL DEFAULT 'running' CHECK (desired_state IN ('running','stopped'))" },
     // Base columns that shipped in the very first schema stay here for parity