8a8d779328
Build dedicated de-duplicated entity indices (atc-customers ~39k, atc-employees ~39k, atc-products) from Trino so users can search by customer/employee name, id and email directly instead of scanning raw transaction rows. Raise per-table sample caps for the big source tables (sales_orders, employee_events, supplychain events, device_metrics) and all iceberg/Hadoop tables for broader row-level coverage. UI: add Datasets quick-filter chips (Customers, Employees, Products, Sales orders, HR events, Supply chain, Telemetry, Lakehouse) and default the Search tab to business data instead of an infra-looking empty view.