- Remove legacy wwwroot files (old index.html, app.css, api.js, page scripts)
- Add Index page that redirects / to /board
- Fix mapping delete button missing handler=Delete in URL
- Add [IgnoreAntiforgeryToken] to AnalyticsModel for consistency
- Remove duplicate JS from _TaskDetail.cshtml (already in app.js)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add Analytics page with stat cards (open tasks, active time, top category),
Chart.js timeline bar chart bucketed by hour, category donut chart with
legend, and paginated activity feed with htmx "Load more" support.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
