38a0f0619d
Archive milestone artifacts (roadmap, requirements, audit, phase directories) to .planning/milestones/. Evolve PROJECT.md with validated requirements and decision outcomes. Create MILESTONES.md and RETROSPECTIVE.md. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
115 lines
4.1 KiB
Markdown
115 lines
4.1 KiB
Markdown
---
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phase: 04-frontend
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plan: 02
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subsystem: ui
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tags: [react, typescript, app-tsx, alert-banner, admin-monitoring]
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# Dependency graph
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requires:
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- phase: 04-frontend
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plan: 01
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provides: "AlertBanner component, AdminMonitoringDashboard component, AlertEvent type, adminService.getAlerts/acknowledgeAlert"
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provides:
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- "Dashboard with AlertBanner above nav wired to adminService.getAlerts"
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- "Monitoring tab replaced with AdminMonitoringDashboard"
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- "Optimistic alert acknowledge with re-fetch fallback"
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affects: []
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# Tech tracking
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tech-stack:
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added: []
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patterns:
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- "Optimistic UI: filter local state immediately on acknowledge, re-fetch on API failure"
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- "Admin-gated data fetching: isAdmin dependency in useEffect prevents unnecessary API calls"
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- "AlertBanner above nav: conditional render before <nav> so banner shows on all tabs"
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key-files:
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created: []
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modified:
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- frontend/src/App.tsx
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key-decisions:
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- "AlertBanner placed before <nav> element so it shows across all tabs, not scoped to monitoring tab"
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- "handleAcknowledge uses optimistic update (filter state immediately) with re-fetch on failure"
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- "Alert fetch gated by isAdmin — non-admin users never trigger getAlerts API call"
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- "UploadMonitoringDashboard import removed entirely — replaced by AdminMonitoringDashboard"
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requirements-completed:
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- ALRT-03
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- ANLY-02
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- HLTH-01
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# Metrics
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duration: 2min
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completed: 2026-02-24
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---
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# Phase 04 Plan 02: Wire AlertBanner and AdminMonitoringDashboard into App.tsx Summary
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**AlertBanner wired above navigation in Dashboard with optimistic acknowledge, AdminMonitoringDashboard replacing UploadMonitoringDashboard in monitoring tab**
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## Performance
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- **Duration:** ~2 min
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- **Started:** 2026-02-24T21:37:58Z
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- **Completed:** 2026-02-24T21:39:36Z
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- **Tasks:** 1 auto + 1 checkpoint (pending visual verification)
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- **Files modified:** 1
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## Accomplishments
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- Added `AlertBanner` and `AdminMonitoringDashboard` imports to `frontend/src/App.tsx`
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- Added `AlertEvent` type import from `adminService`
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- Added `activeAlerts` state (AlertEvent[]) inside Dashboard component
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- Added `useEffect` gated by `isAdmin` to fetch alerts on mount
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- Added `handleAcknowledge` callback with optimistic update (immediate filter) and re-fetch on failure
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- Rendered `AlertBanner` above `<nav>` so it appears on all tabs when admin has active alerts
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- Replaced `UploadMonitoringDashboard` with `AdminMonitoringDashboard` in monitoring tab
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- Removed unused `UploadMonitoringDashboard` import
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- `npx tsc --noEmit` passes with zero errors
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- `npm run build` succeeds
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## Task Commits
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Each task was committed atomically:
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1. **Task 1: Wire AlertBanner and AdminMonitoringDashboard into Dashboard** - `6c345a6` (feat)
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## Files Created/Modified
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- `frontend/src/App.tsx` - Added AlertBanner above nav, added alert state and optimistic acknowledge, replaced UploadMonitoringDashboard with AdminMonitoringDashboard in monitoring tab
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## Decisions Made
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- AlertBanner is placed before the `<nav>` element (not inside a tab) so it appears globally on every tab when the admin has active critical alerts
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- Optimistic update pattern: `setActiveAlerts(prev => prev.filter(a => a.id !== id))` fires before the API call, restoring state on failure via re-fetch
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- Alert fetch is fully gated on `isAdmin` in the `useEffect` dependency array — non-admin users never call `adminService.getAlerts()`
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- `UploadMonitoringDashboard` import was removed entirely since AdminMonitoringDashboard replaces it
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## Deviations from Plan
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None - plan executed exactly as written.
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## Issues Encountered
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None.
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## User Setup Required
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Task 2 is a `checkpoint:human-verify` — admin must visually verify the monitoring tab and alert banner in the running application.
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## Next Phase Readiness
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- Phase 4 is complete pending human visual verification (Task 2 checkpoint)
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- All requirements ALRT-03, ANLY-02, HLTH-01 are now fully implemented frontend-to-backend
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## Self-Check: PASSED
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- `04-02-SUMMARY.md` exists at `.planning/phases/04-frontend/04-02-SUMMARY.md`
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- `frontend/src/App.tsx` exists and modified
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- Commit `6c345a6` exists in git log
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---
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*Phase: 04-frontend*
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*Completed: 2026-02-24*
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