Account
Guides stay free. Premium is PayPal. This page is how access survives a new browser — email on the device, hashed member list on the site, Formspree inbox as the owner ledger. No paid ESP.
This device
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Use the address from checkout. Optional restore code from the success page if the member list has not caught up yet.
New guides only. Same Formspree form the studio already has — no Mailchimp bill.
Not financial advice. We never put raw emails in the public repo. Architecture: ARCHITECTURE.md.