Account Reconciliation Engine:
- reconcile() method on account.move.line matches debit↔credit lines
- Creates account.partial.reconcile records for each match
- Detects full reconciliation (all residuals=0) → account.full.reconcile
- updatePaymentState() tracks paid/partial/not_paid on invoices
- Payment register wizard now creates journal entries + reconciles
Stock Quant Reservation:
- assignMove() reserves products from source location quants
- getAvailableQty() queries unreserved on-hand stock
- _action_confirm → confirmed + auto-assigns if stock available
- _action_assign creates stock.move.line reservations
- _action_done updates quants (decrease source, increase dest)
- button_validate on picking delegates to move._action_done
- Clears reserved_quantity on completion
Sale Invoice Creation (rewritten):
- Proper debit/credit/balance on invoice lines
- Tax computation from SO line M2M tax_ids (percent/fixed/division)
- Revenue account lookup (SKR03 8300 with fallbacks)
- amount_residual set on receivable line (enables reconciliation)
- qty_invoiced tracking on SO lines
- Line amount computes now include tax in price_total
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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