Post-login lands on Spaces empty state instead of a principal dump.
Profile menu exposes Session details with identity, tenant, roles/groups,
and authz diagnostics for operator refinement (CSOC-WP-0004 T01/T07).
Django scaffold aligned with the business delivery lane: tenant-keyed
Member model without passwords, identity app as sole OIDC/session
boundary, dev-claims login, authenticated /app/ shell, ADR-0001, and
tests. T01/T02/T05/T06 done; OIDC registration, real user-engine HTTP,
flex-auth, and packaging remain open.