[KongchangAI]
Unverified50% confidenceSolutionExact time

After extraction is complete, the server uses strict Python mathematical validation logic to check line item arithmetic (quantity × unit price = amount, subtotal + tax = total), and only writes to SQLite after validation passes, forming a two-layer design of 'AI extraction + rule validation'.

1
Sources
50%
Confidence
Long-term
Relevance
10/15/2026
First Seen

Sources

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