Adam Moussa 33b33fe256 Implement PO new_po extraction and value-level gate ... Replace the extract_new_po scaffold stub with the full section-windowed extractor (duplicate-label anchoring, sentinel ship-to, label-keyed U+2022 bullet split, Decimal money from three anchored contexts only) and add value-level gate rules V1-V13. Both new_po_not_implemented scaffold guards are removed; rules 6-8 (unrecognized_status, multiline_unsupported, non_usd) go live. The gate re-derives every byte proof from the email body so an extractor bug cannot vouch for itself: amount re-serialization with a digit/comma border check (the thousands-separator truncation kill switch), sum(lines)==total against both Total blocks, anchor/supplier identity proofs, USPS address shape on the raw pre-enrichment zip, bullet label discipline, and sentinel/artifact hygiene. Any failure falls closed to the LLM; a validation failure is never a parsed result. Refs: #99		2026-07-16 15:14:25 -04:00
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po	Implement PO new_po extraction and value-level gate	2026-07-16 15:14:25 -04:00
wo	feat: template-first WO parser + Bedrock fallback, PO Bedrock switch (#99)	2026-07-16 12:45:11 -04:00