test(ship-queue): stamp journal and resume, verify from a separate clone, gate-ahead attempts, ready

Co-authored-by: capy-ai[bot] <230910855+capy-ai[bot]@users.noreply.github.com>
(cherry picked from commit ade554087b)

bin/gstack-ship-queue

@@ -140,6 +140,7 @@ function main(argv: string[]): number {
     return finish('stamp', stamp(ctx, {
       pr, version, expectGated, expectBase, expectOrder: flag(args, '--expect-order')?.split(',').map(s => s.trim()).filter(Boolean),
       allowRepoCommands: args.includes('--allow-repo-commands'), gateExit: gateExit === undefined ? undefined : Number(gateExit), gateLog: flag(args, '--gate-log'),
+      failAfter: process.env.GSTACK_SHIP_QUEUE_FAIL_AFTER,
     }));
   }
   if (cmd === 'verify') {