O6: inventory consumed on jobs posts DR COGS / CR Inventory, but neither recompute
engine reflected it — so reports understated COGS / overstated inventory and a
"Recalculate Balances" wiped the effect. The COGS posting fires only for JobUsage
and Waste transaction types, which are created only at the two COGS-posting sites,
so the consumption is exactly identifiable from InventoryTransaction:
- both posting sites now record consumption at the effective (weighted-average)
unit cost so TotalCost equals the COGS posted (the recompute reads TotalCost)
- LedgerService: new section (dated rows + prior balance) crediting Inventory /
debiting COGS from JobUsage/Waste rows on items with both accounts mapped
- FinancialReportService: Trial Balance + accrual P&L include consumption COGS
This reads existing transactions, so historical data is covered with no backfill.
The Balance Sheet inventory line is intentionally left alone — it does not track
inventory purchases either (periodic), so relieving it for consumption alone would
unbalance it; tracked as O9 (inventory capitalization policy).
O8: the write-off already creates a balanced posted JournalEntry (both engines read
it via their JE-line sections). The real defect was 4 "Status != WrittenOff" filters
in FinancialReportService that excluded pre-write-off payments from AR credits and
bank debits — leaving the paid portion dangling as open AR and understating the bank.
Removed those filters; AR now nets to zero for written-off invoices and the trial
balance balances. No backfill needed.
Adds a LedgerService regression test for inventory consumption. Build clean; 293
unit tests pass.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
spouliot
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