Whoami

Return the resolved authentication context for the current credential. Useful for verifying that a Bearer JWT or API key is valid and discovering which workspace and permission scopes it grants — call this first when debugging authentication issues or bootstrapping an SDK integration. The `auth_kind` field indicates whether the credential is a session token (`clerk`) or a programmatic key (`api_key`). For API keys, `workspace_id` and `api_key_id` are always populated; for session tokens, `workspace_id` reflects the `X-Workspace-Id` header value (if present) and `api_key_id` is `null`. The `scopes` list is sorted and deduplicated.