Merge branch 'm9/tutorial' into codex/owner/grp_discord_joke-app

e2e/games.e2e.ts

@@ -2066,6 +2066,8 @@ for (const id of games) {
   }
   const guest = guests[0]!;
   for (const p of [host, ...guests]) p.on('pageerror', (e) => errors.push(`${id}: ${e.message}`));
+  // The first-game "30초 규칙 요약" cards are tested in e2e/tutorial.e2e.ts; mark them seen here.
+  for (const p of [host, ...guests]) await p.addInitScript((g) => localStorage.setItem(`bg:qs:${g}`, '1'), id);
   try {
     await host.goto(`${ORIGIN}/g/${plan.game ?? id}`);
     await host.getByRole('button', { name: /친구랑 하기/ }).click();