- create: not found, empty cart, guest, logged user, invalid billet,
not buyable, exceeds quantity
- guest: not found, renders, empty fields, submit success, redirects if user set
- payment: not found, redirects if no name, renders with Stripe,
404 without Stripe account
- success: not found, renders, failed status, succeeded with mock
- publicOrder: not found, renders
- invoice: not found, not paid returns 404
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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