Feature Request: Option to blur or obscure participant names

[Spaccesi]

Summary

In live or public settings, it may be desirable to hide participant names from the screen until the draw is completed.

Possible Solution

• Add a toggle in settings: "Hide participant names".
• When enabled, names are shown as ● ● ● ● or blurred until the raffle is started or a winner is selected.

Acceptance Criteria

• A setting to enable/disable name obscuring is available.
• When enabled, names are visually masked in the participant list.
• The winner's name is revealed after the draw animation completes.