API coverage

Area	Methods
Health / auth	`checkHealth`, `getSession`, `previewInvitation`, `redeemInvitation`
LLM	`listLlmModels`, `getLlmUsage`, `completeChatStep` — `listLlmModels` returns `{ models, capabilities: { openai } }`
Admin	`listAdminUsers`, `createAdminUser`, `createAdminInvitedUser`, `createAdminUserInvitation`, `listAdminInvitations`, `revokeAdminInvitation`, `updateAdminUser`, `deleteAdminUser`, `listAdminTokens`, `createAdminUserToken`, `deleteAdminToken`, `listAdminCollections`, `listAdminEnvironments`, `listAdminLlmModels`, `listAdminResourceOptions`, `deleteAdminCollection`, `deleteAdminEnvironment`, `updateAdminCollectionDeletionLocked`, `updateAdminEnvironmentDeletionLocked`, `reloadConfig`
Collections	`listCollections`, `createCollection`, `updateCollection`, `deleteCollection`
Environments	`listEnvironments`, `createEnvironment`, `updateEnvironment`, `deleteEnvironment`
Folders	`listFolders`, `createFolder`, `renameFolder`, `deleteFolder`, `reorderFolders`
Saved requests	`listRequests`, `createRequest`, `updateRequest`, `deleteRequest`, `reorderRequests`, `moveRequest`
Documents	`listDocuments`, `createDocument`, `updateDocument`, `deleteDocument`, `reorderDocuments`, `moveDocument`

See HarborClient Team Hub API Endpoints for request and response shapes.

Shared invitation link helpers live in invitationLinks.ts: buildTeamHubJoinUrl, parseTeamHubJoinUrl, buildTeamHubJoinDeepLink, and parseTeamHubJoinDeepLink.