d4f4012c8a
Every Store method now returns an error. Callers handle errors gracefully — TUI logs to event log, server returns HTTP 500, monitor engine logs and retries. All rows.Scan() errors are now checked in sqlstore.go instead of silently appending corrupt data. - GetSites, GetAllAlerts, GetAllUsers return ([]T, error) - GetAlert returns (AlertConfig, error) instead of (AlertConfig, bool) - AddSite, UpdateSite, DeleteSite, etc. all return error - SaveCheck, LoadAllHistory, ExportData return error - ~25 caller sites updated across tui, server, monitor, main