Returns the current launch requirements (minimum ELTA, fee schedule,
image dimensions, metadata schema). Mirrors the human docs at
/apps/build/launch-requirements so the live UI and the docs share a
single source of truth.
SIWE-issued JWT, scoped to a wallet address. Obtain via Sign-In With
Ethereum (EIP-4361) against app.elata.bio. Required for personalized
Portfolio and Rewards endpoints. The sub claim is the wallet address;
a request whose path {address} does not match the sub is rejected.