PAB Boards

Infrastructure is up. The Releases and Infra Health tabs are not deployed yet.

What is live at this point:

• Read API at api.boards.sps-pabgw.com, Entra JWT required
• Push socket at ws.boards.sps-pabgw.com
• Release store and the reports bucket

See docs/adr/ADR-029-teams-release-and-health-boards.md.