Block a user
[Vis R1-02] ReportsView: TimeRangeSelector + Shared Components
[Vis R1-01] ReportsView: Chart-Vorschau mit Vis-Engine Widgets
[Vis P1-15] Frontend: Widget PNG Export
[Vis P1-14] Frontend: Routing + Navigation
[Vis P1-13] Frontend: WebSocket Live-Updates + Error-States
[Vis P1-16] Tests: Dashboard Backend
[Vis P1-12] Frontend: TimeRangeSelector + WidgetPicker
[Vis P1-09] Frontend: NativeDashboardView + DashboardGrid + WidgetContainer
[Vis P1-10] Frontend: LineChartWidget (uPlot)
[Vis P1-11] Frontend: ValueCardWidget
[Vis P1-05] Backend: GET /readings/chart Endpoint
[Vis P1-07] Frontend: useGridStack Composable
[Vis P1-08] Frontend: useDashboard Composable + API-Client
[Vis P1-06] Frontend: Dependencies + Widget-Registry + Types
[Vis P1-04] Backend: Dashboard + Widget REST-API
[Vis P1-01] DB-Migration: dashboards + dashboard_widgets
[Vis P1-03] Backend: DashboardService (Business-Logik)
[Vis P1-02] Backend: DashboardRepository (CRUD)
PanelPickerModal: Hardcoded #888888 Fallback-Farbe