Backend:
- ConsumptionDashboardService: aggregates consumption and community
feed-in data with daily/hourly granularity based on date range
- Coverage calculation: min(consumption, communityFeedIn) per interval
- Ownership check on dashboard endpoint
- 6 new aggregate queries in MeteringDataRepository
- findActiveMeteringPointIdsByCommunityId in MembershipRepository
- 6 unit tests for ConsumptionDashboardService
Frontend:
- Apache ECharts via ngx-echarts for chart visualization
- ConsumptionDashboardComponent with metering point selector,
date range picker, quick-range buttons (7/30/90 days)
- Chart: blue bars (consumption), green bars (covered), orange
line (community feed-in), tooltip with coverage percentage
- Summary cards: total consumption, coverage %, feed-in, covered kWh
- Warning when user has no community membership
- Route /dashboard/consumption (MEMBER only)
Tests: 143/143 passing