# frontend/src/components
dir: frontend/src/components

index: frontend/src/components/.pi-map.index.md

## role
React UI component library providing reusable display elements, dashboard widgets, and page-level views for backup management, observability, media sessions, and widget configuration.
## files
- BackupAlertsTable.tsx | Renders a table of backup alerts with severity badges, timestamps, and acknowledge buttons | exp: func:BackupAlertsTable({ alerts, onAcknowledge }: Props), call:alerts.map, call:severityVariant, call:formatTimestamp, call:onAcknowledge | dep: @/components/ui/badge, @/components/ui/button, @/components/ui/table, ../types/backups
- BackupDashboardWidget.tsx | Displays a dashboard widget summarizing backup job statistics including total jobs, 24-hour success rate, active alerts, and last failure timestamp. | exp: func:BackupDashboardWidget(), call:useBackupDashboard, call:new Date(data.last_failed_at * 1000).toLocaleString | dep: @/components/ui/badge, @/components/ui/card, ../hooks/useBackups
- BackupJobsTable.tsx | Renders a table displaying backup job information with status, schedule, and run history using associated latest run data. | exp: func:BackupJobsTable({ jobs, latestRuns }: Props), call:jobs.map, call:latestRuns.get, call:formatInterval, call:statusVariant, call:formatTimestamp | dep: @/components/ui/badge, @/components/ui/table, ../types/backups
- BackupRunsTable.tsx | Renders a filterable table of backup runs with status, duration, size, and timestamp formatting. | exp: func:BackupRunsTable({ runs }: Props), call:useState, call:runs.filter, call:filteredRuns.map, call:statusVariant, call:formatDuration, call:formatBytes, call:formatTimestamp | dep: react, @/components/ui/badge, @/components/ui/select, @/components/ui/table, ../types/backups
- BackupsPage.tsx | A React page component that displays backup management information across three tabs (Jobs, Runs, and Alerts) with data fetched from custom hooks. | exp: func:BackupsPage(), call:useState, call:useBackupJobs, call:useBackupRuns, call:useBackupAlerts, call:useAcknowledgeAlert, call:latestRuns.get, call:latestRuns.set, call:acknowledgeMutation.mutate | dep: react, @/components/ui/tabs, ../hooks/useBackups, ./BackupAlertsTable, ./BackupJobsTable, ./BackupRunsTable
- ConfirmDialog.tsx | Reusable confirmation dialog component that wraps shadcn/ui Dialog primitives with standardized cancel/confirm footer behavior. | exp: func:ConfirmDialog({ open, title, message, confirmLabel = "Delete", onCancel, onConfirm, busy, }: { open: boolean; title: string; message: string; confirmLabel?: string; onCancel: () => void; onConfirm: () => void; busy?: boolean; }), call:onCancel | dep: @/components/ui/dialog, ./DialogFooter
- DialogFooter.tsx | Renders a dialog footer with cancel/confirm buttons that maps legacy MUI-style props to shadcn Button variants for backward compatibility | exp: func:DialogFooter({ onCancel, cancelLabel = "Cancel", onConfirm, confirmLabel, confirmBusyLabel, confirmDisabled, confirmColor = "primary", confirmVariant = "contained", confirmStartIcon, secondaryAction, }: DialogFooterProps), call:resolveConfirmVariant | dep: react, @/components/ui/button
- HoverEditButton.tsx | A hover-reveal edit button component that migrates from MUI to shadcn/ui while preserving backward-compatible CSS classes for existing hover-reveal behavior. | exp: func:HoverEditButton({ onClick, label = "Edit", }: HoverEditButtonProps), call:e.stopPropagation, call:onClick | dep: lucide-react, @/components/ui/button
- LibraryOverview.tsx | Renders a two-column responsive grid displaying movie and TV library counts using shadcn/ui Card components | exp: func:LibraryOverview({ libraries }: Props), call:libraries.filter, call:movieLibs.map, call:lib.total.toLocaleString, call:lib.movies.toLocaleString, call:tvLibs.map, call:lib.series.toLocaleString | dep: @/components/ui/card, ../types
- MetricCard.tsx | Renders a compact metric display card with label, value, and optional subtext using Tailwind CSS styling. | exp: func:MetricCard({ label, value, subtext }: Props) | dep: @/components/ui/card
- NowPlaying.tsx | Renders a now-playing panel by wrapping SessionActivityPanel with a specific empty message for user activity sessions. | exp: func:NowPlaying({ sessions, onSelectSession }: Props) | dep: ../types, ./SessionActivityPanel
- ObservabilityPage.tsx | This file renders a dashboard page that provides a unified observability view of system health, alerts, metrics, and logs from services like Prometheus, Alertmanager, and Grafana. | exp: func:ObservabilityPage(), call:useAlertmanagerAlerts, call:useAlertmanagerStatus, call:useGrafanaStatus, call:usePrometheusStatus, call:usePrometheusTargets, call:useMonitoringMachines, call:useServiceInstances, call:useState, call:grafanaServices.find, call:useMemo, call:machines.find, call:encodeURIComponent, call:JSON.stringify, call:alertsSummary?.alerts.some, call:alertsSummary.alerts.map, call:machines.map | dep: react, react-router-dom, lucide-react, ../hooks/useObservability, ../hooks/useServices, @/components/ui/card, @/components/ui/badge, @/components/ui/alert, @/components/ui/button, @/components/ui/select, @/components/ui/skeleton, @/components/ui/collapsible, ../types, @/components/ui (card, badge, alert, button, select, skeleton, collapsible)
- SectionCard.tsx | A reusable card component that renders a titled section with optional description and action, built on shadcn/ui Card primitives for comfortable density layout. | exp: func:SectionCard({ title, description, action, children, }: SectionCardProps) | dep: react, @/components/ui/card
- SelectionRailCard.tsx | A reusable card component for a selection rail UI with titled header, scrollable body, and optional footer, preserving legacy API compatibility during a migration from MUI. | exp: func:SelectionRailCard({ title, description, children, footer, minHeight = 420, }: SelectionRailCardProps) | dep: react, @/components/ui/card
- SessionActivityPanel.tsx | Renders a scrollable table panel displaying active media streaming sessions with state badges, metadata, and optional user selection actions. | exp: func:SessionActivityPanel({ sessions, emptyMessage = "No live sessions matched to this user.", selectedUserLabel, onSelectSession, }: Props), call:buildStatusSummary, call:sessions.map, call:formatStateLabel, call:onSelectSession, call:sessionStateVariant, call:event.stopPropagation | dep: @/components/ui/badge, @/components/ui/button, @/components/ui/table, ../types
- TabbedCard.tsx | Renders a card with a line-style tab bar header and content area, acting as a controlled wrapper around shadcn/ui Tabs for backward-compatible API migration from MUI. | exp: func:TabbedCard({ value, onChange, tabs, children, }: TabbedCardProps), call:onChange, call:String | dep: react, @/components/ui/card, @/components/ui/tabs
- WidgetConfigDialog.tsx | A React dialog component for managing dashboard widget instances, including adding, editing, reordering, enabling/disabling, and deleting widgets with service-specific configuration support. | exp: func:WidgetConfigDialog({ open, onClose }: Props), call:useWidgetInstances, call:useServiceInstances, call:useTasks, call:useSaveWidgetInstance, call:useDeleteWidgetInstance, call:useState, call:useMemo, call:[...instances].sort, call:setDraft, call:SERVICE_REGISTRY[ services.find((s) => s.id === serviceId)?.service_type ?? "" ]?.widgets.find, call:services.find, call:saveWidget.mutateAsync, call:reset, call:Promise.all, call:deleteWidget.mutateAsync, call:onClose, call:SERVICE_REGISTRY[ services.find((s) => s.id === draft.serviceId)?.service_type ?? "" ]?.widgets.find, call:String, call:Number, call:sortedInstances.map, call:bindingLabel, call:moveInstance, call:toggleEnabled, call:startEdit, call:removeInstance, call:Object.values(BUILTIN_WIDGETS).map, call:startAddBuiltIn, call:services .filter((s) => s.enabled) .flatMap, call:(SERVICE_REGISTRY[s.service_type]?.widgets ?? []).map, call:startAddService | dep: react, @/components/ui/dialog, @/components/ui/button, @/components/ui/input, @/components/ui/label, @/components/ui/switch, @/components/ui/select, @/components/ui/badge, @/components/ui/alert, lucide-react, ../hooks/useWidgets, ../hooks/useServices, ../hooks/useSettings, ../types, ../integrations/registry
- WidgetInstance.tsx | Renders a widget instance by resolving its component from a registry or displaying an error for unknown widgets. | exp: func:WidgetInstanceCard({ widget }: Props), call:useServiceInstances, call:resolveWidget | dep: @/components/ui/alert, ../hooks/useServices, ../integrations/registry, ../types, ./SectionCard
## arch
Functional component pattern using shadcn/ui and Tailwind CSS, with composable table/card/dialog primitives, custom hooks for data fetching, and a backward-compatibility layer easing migration from MUI.
## tags
call:use, components, ui, card, backup, widget, table, dialog
## symbols
- BackupAlertsTable
- BackupDashboardWidget
- BackupJobsTable
- BackupRunsTable
- BackupsPage
- ConfirmDialog
- DialogFooter
- HoverEditButton
## workflows
- change components behavior
  read: BackupAlertsTable.tsx, BackupDashboardWidget.tsx, BackupJobsTable.tsx
- explore components subdirectories
  index: frontend/src/components/__tests__/.pi-map.index.md, frontend/src/components/ui/.pi-map.index.md
## dirty
-