Move sub-surfaces into their sections: billing views get a pill row,
org types a header button. Replace inline IdP handoff copy with an SVG
icon and tooltip, add help icons to dense form rows, and delete the
registry-driven sidebar nav plumbing. Update specs and tests.
- Restructure operator sidebar into a flat task list with indented
children; fold plan topology into plan ladders
- Expand member catalog non-plan section to all published non-tier
products; require recurring Stripe-mapped prices for purchase
- Add operator domains placements and terminal-claims ledger; redirect
/domains to the FedWiki Sites Domains anchor
- Apply canonical vocabulary and chrome/form conventions; migrate seeded
FedWiki Sites display name