Analyze Busy Customer Product-Group Migration
busy_analyze_customer_group_migration
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How it behaves
Use this when the user asks which exact Busy customer ledgers entered, exited, expanded, contracted, or remained stable in selected product groups between a base period and an earlier comparison period. The result compares return-adjusted net sales and includes the supporting sales, return, quantity, invoice, and activity-date evidence. Use busy_analyze_product_group_penetration for single-period bought-versus-missing coverage, and busy_find_cross_sell_opportunities for peer-based recommendations. This tool does not predict future purchases, merge canonical customers, or infer territories.