Incoming inventory
Purchasing documents that explain stock
KnownStock uses operational purchase documents; it is not accounts payable or fiscal invoicing.
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Orders plan incoming stock
Confirming a purchase order creates expected-in planning facts without increasing physical stock.
Receipts add physical quantity
A receipt linked to an order reduces the pending expectation and adds physical stock. Partial receipt and overage rules remain visible.
Invoices do not double count
A receipt-derived purchase invoice carries operational and cost context but does not add the same goods again. Returns and reversals publish controlled inverse effects.