High-level ER diagram of the 32 entities currently in main, color-coded by domain (tenant/config, identity, CRM/sales, delivery/execution, workforce, books) with crow's-foot cardinality. Pan and zoom in the toolbar.
Notation:crow's-foot ER. The single-line side is "one"; the foot side is "many".
Omitted for clarity: line-item children (EstimateSection / EstimateLine, WorkAreaLine, InvoiceLine, InvoicePayment) and payroll computational aggregates (PieceRate, PieceEarning, WorkerPeriodEarnings, PayRunSummary).