# Phase 2: Ping History Sparklines

**Status:** ⬜ Not Started
**Parent plan:** [PLAN.md](./PLAN.md)
**Domain:** fullstack

## Tasks
- [ ] Task 1: Create `src/routes/api/apps/[id]/history/+server.ts` — GET last 24h of healthcheck results
- [ ] Task 2: Create `src/lib/components/app/SparklineChart.svelte` — tiny inline SVG sparkline (green=up, red=down)
- [ ] Task 3: Update `src/lib/components/widget/AppWidget.svelte` — show sparkline below status badge
- [ ] Task 4: Update `src/lib/components/app/AppCard.svelte` — show sparkline on app cards
- [ ] Task 5: Calculate and display uptime percentage (last 24h)
- [ ] Task 6: Update healthcheck service to retain last 288 records per app (24h at 5min intervals)
- [ ] Task 7: Add cleanup job to prune old AppStatus records beyond retention period
- [ ] Task 8: Add i18n translations (EN/RU)

## Handoff to Next Phase
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