Set up Playwright with Chromium, dev server auto-start, test helpers for seeding bots and programmatic auth. Added smoke spec that verifies homepage and leaderboard load without crashes. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Set up Playwright with Chromium, dev server auto-start, test helpers for seeding bots and programmatic auth. Added smoke spec that verifies homepage and leaderboard load without crashes. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>