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- Restructure into 5 sections: KPIs, Trends, Composition, Deep Dive, Operations - Add sub-category filter, smart time aggregation, dataZoom, sparklines on KPIs - New chart types: treemap, radar, MoM growth, shipping delay, priority donut - Add @st.fragment drill-down with on_select scatter → bar+line combo - Move filters to sidebar, add section captions and Material UI icons - Replace Polars SQL with native expressions, fix prev_df filter bug - Parse ship_date at load time, add toolbox to trend charts Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>