- Fix TestMonitor_PollGuestSnapshots_Coverage by correctly initializing State ID fields
- Improve PBS client to handle alternative datastore metric fields (total-space, etc.)
- Add comprehensive test coverage for PBS polling, auth failures, and datastore metrics
- Add various coverage tests for monitoring, alerts, and metadata handling
- Refactor Monitor to support better testing of client creation and auth handling
- Added PBS client methods: CreateUser, SetUserACL, CreateUserToken
- Added SetupMonitoringAccess() turnkey method that creates user + token
- Updated handleSecureAutoRegister to use PBS API for token creation
- Enables one-click PBS setup for Docker/containerized deployments
When users provide PBS root credentials, Pulse can now create the
monitoring user and API token remotely via the PBS API, eliminating
the need to SSH/exec into the container manually.
