TiersService

Available as client.tiers. All operations are scoped by workspaceId.

Group	Methods
Tier set	getTierSet, createTierSet, updateTierSet
Tiers	listTiers, getTier, createTier, updateTier, deleteTier, reorderTiers
Preview and clients	previewTierAssignments, listTierClients, getTierClientCounts
Client assignment	getClientTier, assignTier, getClientProgress, recalculateClient
Bulk jobs	recalculateAll, resyncAll, getTierResyncJob

Every method takes workspaceId first. Bulk recalculation and resync return a job reference; poll it with getTierResyncJob(workspaceId, jobId).