Three long-noted rough edges from the original analysis, each a
one-line touch:
- ClassIds becomes static class (was instantiable).
- Home.razor.cs drops the `loaded` bool guard (Blazor already runs
OnInitializedAsync exactly once per component instance).
- Move the "Claudio Schaad" mandator default out of SettingsService
into SettingsDataset.DefaultMandator, plumbed through
appsettings.Development.json.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Claudio Schaad
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