Pre-release: Improve claim onboarding status UX on account

[wauputr4]

Why

Claim-to-organization access transition is part of onboarding, but account UX is still minimal for claim status guidance.

Scope

• On /account, show clear per-org claim status (pending / rejected / claimed) with timestamps.
• Add action prompts for rejected claims (contact/help/admin reapply guidance).
• On claim submission, show success + expected review SLA placeholder + claim id.
• Add /account/claims optional subview (or section) for claim history and status.
• Add i18n text for all statuses and transitions.

Definition of done

• Claim journey is understandable without reading code/docs.
• Org owners know where they stand after claim submission.
• Rejection recovery path is discoverable from account screen.