frontend/public/wuhan_districts.geojson

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feat: Phase 2 — leadership 大屏 (/overview) + district normalization + drawer a11y Phase 2 of the UX modernization. Three conflict-free workstreams. Leadership 驾驶舱 (/overview): - Wuhan 13-district Leaflet choropleth (public/wuhan_districts.geojson, keyed on name, darker=higher per 高风险高亮), legend, hover/click-zoom - 全部/门诊/住院 Segmented toggle drives choropleth + Top-5 district bar - literal "数据截至2023-12" as-of badge (D3 honesty); raw spinner → LoadingState - decompose OverviewDashboard 501→273; 6 components + 2 helpers under components/overview/ District normalization (backend data boundary): - case_loader.normalize_district + load_cases_by_district_daily collapse the 26 dirty labels (武昌/武昌区…) → 13 canonical; analysis/grid/insights repointed (fixes a grid-merge row-drop bug as a bonus); in-memory, schema unchanged Shell a11y (code-review carryover): - drawer is now a proper modal: ESC, body scroll-lock, focus-in + focus-trap cycle + focus-restore, role=dialog/aria-modal/aria-label, hamburger aria-expanded - SideNav expanded state lifted to AppShell so rail+drawer stay in sync - RouteErrorBoundary around <Outlet/> keeps shell chrome on page/chunk failure Gates: tsc 0 · vitest 64 · e2e 19/19 (17 user-flows + 2 overview) · build ok · backend pytest 6 new + 48 regression green Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> 2026-06-21 20:24:26 +08:00			`version https://git-lfs.github.com/spec/v1`
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			`size 80098`