[S3-1] Analytics page bUnit tests — charts, data binding, empty/loading states

[mpaulosky]

Summary

Write bUnit tests for the Analytics.razor admin page.

Tasks

• Test chart components render with data (BarChart, LineChart, PieChart)
• Test empty state when no analytics data
• Test loading state while data is fetching
• Mock AnalyticsService return values

Context

src/Web/Components/Pages/Admin/Analytics.razor uses chart components from src/Web/Components/Charts/. No bUnit tests exist.

Sprint 3 — Component Coverage
Part of milestone: Code Coverage Improvement

[github-actions]

📋 Assigned to Legolas (Frontend Dev)

Issue: #204 — [S3-1] Analytics page bUnit tests — charts, data binding, empty/loading states

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Legolas, work on issue #204