Move the public auth helper skill under uds-auth/skills and update docs to point there instead of the repo-root skills tree.
Co-authored-by: Cursor <cursoragent@cursor.com>
UI session behavior stays unchanged; login writes a separate skill cache, with optional retain-on-logout and loopback agent-credentials/outbound APIs plus helpers/docs.
Co-authored-by: Cursor <cursoragent@cursor.com>