- ObjectBuilding type + useObjectBuildings hook
- Objects detail page: render Корпуса ЖК table (cad_num, floors, area,
purpose, name, address) when buildings_count > 0
- Developers page: drop hardcoded compareIds, use top-3 from
useTopDevelopers sorted by jk_count DESC (fallback to legacy static
array when API has no data yet)
3 pages (market, PRINZIP drilldown, developers leaderboard) on top of
existing v_developer_full_metrics + domrf_realization views. ECharts on
the frontend, FastAPI router /api/v1/analytics on the backend.