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
Backend:
- Add CommunityTariff entity (admin-managed max price + surcharge per community)
- Add UserTariff entity (user-agreed tariffs between metering points)
- Add TariffController (admin endpoints) and UserTariffController (user endpoints)
- Add TariffService with full validation (price <= max, ACTIVE state, membership)
- Add CommunityTariffChangedEvent and UserTariffChangedEvent
- Update NotificationListener to notify members on tariff changes
- Add 27 comprehensive tests for TariffService
Frontend:
- Add AdminTariffComponent (/dashboard/tariffs) for managing community tariffs
- Add UserTariffComponent (/dashboard/my-tariffs) for managing user tariffs
- Add routing and navigation entries
- Regenerate OpenAPI spec and frontend API client
Note: Old Tariff.java entity replaced by CommunityTariff + UserTariff
Backend:
- Add MembershipResponse and PendingMembershipResponse DTOs
- Add GET /memberships/me and GET /admin/memberships/pending endpoints
- Add findByUserIdWithDetails and findPendingWithDetails queries
- Add getOwnMemberships and getPendingMemberships service methods
Frontend:
- Add membership service for API calls
- Add join-community page for users to browse and join communities
- Add my-memberships page for users to view their memberships
- Add admin-memberships page for admins to approve/reject requests
- Add routes and navigation items
Tests:
- Add MembershipServiceTest with 13 unit tests
- All 20 tests passing (UserServiceTest + MembershipServiceTest)
