Sign in to manage each product's record, Blueprint and board.
Manage product records, requirements, user stories, and diagrams that agents read before they start work.
No password is checked yet. This posts to POST /auth/login and sets a plain cookie — the prototype's behaviour, kept honestly. Real auth is the HMAC-signed cookie, credential fingerprint and per-IP throttle that pustaka already implements next door, and the tenant selected here becomes the hard boundary applied to every graph query behind it.