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feat: reconciliation and the price-tag compliance rule family

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reconcile() compares one accepted identity with its tag and the catalog entry and
publishes a state plus the individual signals (JAN exact, name by longest common
substring, price against either the sale or the regular price). It never changes
the product identity: a disagreement is a second opinion shown next to the first,
and only a checksummed barcode outranks the matcher.

evaluate_compliance() is the first rule family: missing_price_tag, the owner's
missing_tag_group (>= 3 consecutive facings without a tag), orphan_tag,
price_mismatch, plus an unreadable_tags hint. Every rule fails closed on evidence
quality - a row whose tags could not be read produces "move closer", never a
violation. Findings must appear in 3 of the last 5 frames before they publish, so
the UI never flickers.

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
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kiyo9w 2026-09-24 13:54:00 +09:00
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recognization/requirements.txt
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@ -12,3 +12,7 @@ fastapi>=0.100.0
uvicorn>=0.20.0
python-multipart>=0.0.6
requests>=2.28.0
# macOS OCR backend (price tags); other platforms run without OCR until a
# cross-platform backend is added - see docs/design-price-tags-and-compliance.md
pyobjc-framework-Vision>=10; sys_platform == "darwin"
pyobjc-framework-Quartz>=10; sys_platform == "darwin"