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Context and Problem Statement

§ 25 TDDDG requires consent for storing information on a user's device unless it is strictly necessary for a service the user asked for. Does Traureise need a consent banner?

Considered Options

  • Only technically necessary cookies, no banner
  • A consent banner for future optional cookies

Decision Outcome

Chosen option: "Only technically necessary cookies, no banner", because Traureise sets nothing that needs consent:

  • traureise_session: keeps a logged-in user logged in (httpOnly, SameSite=Lax).
  • traureise_locale: optional, remembers an explicit language choice.
  • Guests of wedding websites get no cookies. There is no analytics, tracking or third-party content (see ADR 0005).

The privacy policy should list both cookies. A banner would add friction and suggest tracking that does not exist.

Consequences

  • Good, because users and guests see the app straight away.
  • Bad, because any future cookie or browser storage that is not strictly necessary needs this decision revisited first, together with a consent mechanism.