- Add load_data() method to AppState that connects to SQLite database
- Populate available_drugs, available_directorates, available_indications from DB
- Detect latest date in dataset and set filter defaults accordingly
- Load KPI values: total_records, unique_patients, total_drugs, total_cost
- Add on_load handler to trigger data loading on page initialization
- Handle database errors gracefully with meaningful error messages
- Add chart_loading_skeleton() with animated bar chart and spinner
- Add chart_error_state() for displaying errors with guidance
- Add chart_empty_state() for when filters yield no results
- Add chart_ready_placeholder() for Phase 4 Plotly integration
- Rewrite chart_section() with 4-state rx.cond() logic
- Fix icon names (triangle-alert) and color references (SLATE_500)
This completes Phase 2 Layout Components.
- Add app_v2.py with basic Reflex app structure
- AppState class with placeholder state variables
- Layout components: top_bar, filter_section, kpi_row, chart_section
- Page layout matching DESIGN_SYSTEM.md structure
- Theme configured with design system colors
- Google Fonts for Inter and JetBrains Mono
Andrew Charlwood