{
  "purpose": "registration",
  "required_endpoints": {
    "send": "/api/auth/send-code",
    "verify": "/api/auth/verify-code"
  },
  "required_terminal_semantics": [
    "ticket is bound to the current anonymous session and normalized email",
    "verified ticket is consumed exactly once inside account creation",
    "account stores email_verified=true and never stores an OTP",
    "failed account transaction requires a fresh verification",
    "successful account creation rotates the authenticated session"
  ],
  "schema_version": "w2w.public-otp-integration.v1"
}