orgs

Organizations (tenant root, billing+region anchor)

• GET/v1/orgsList organizations the authenticated subject belongs to
• POST/v1/orgsCreate a new organization (signup flow)
• GET/v1/orgs/{id}Fetch org detail
• PATCH/v1/orgs/{id}Update org name (region is locked at signup; ADR 0011)
• POST/v1/orgs/{id}/transfer-ownershipTransfer Owner role to another active member (atomic 4-eyes flow)