{
  "plugin": "set-overlap-analysis",
  "scope": "Venn and UpSet set-overlap chart family only",
  "mapped_legacy_functions": [
    {
      "legacy_function": "modules.charting.upset_helpers.build_upset_matrix",
      "plugin_usage": "Builds the boolean item-by-set membership matrix for UpSet rendering."
    },
    {
      "legacy_function": "modules.charting.upset_plot.plot_upset",
      "plugin_usage": "Renders the UpSet bar chart from the boolean membership matrix."
    },
    {
      "legacy_function": "modules.data.misc_charts_data_prep.prepare_data_for_venn_plot",
      "plugin_usage": "Same semantics: set names map to unique item sets."
    },
    {
      "legacy_function": "modules.charting.draw_venn_upset.draw_venn_chart",
      "plugin_usage": "Same limitation: Venn is only rendered for two or three sets."
    }
  ],
  "not_used": [
    {
      "legacy_path": "modules.charting.draw_venn_upset.organize_venn_chart",
      "reason": "UI-oriented Streamlit orchestration path. The plugin replaces it with a headless deterministic CLI path."
    },
    {
      "legacy_path": "modules.charting.draw_venn_upset.render_upset_chart",
      "reason": "UI-oriented wrapper. The plugin calls the deterministic matrix and plotting helpers directly."
    }
  ]
}