18 lines
717 B
Python
18 lines
717 B
Python
"""Evidence-gated origin resolution; CST digits are never an origin source."""
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def resolve_origin(product_id: str, aggregate: dict, kb_facts: dict) -> dict:
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if aggregate.get("conflict_count", 0):
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status = "ORIGIN_CONFLICT"
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elif aggregate.get("strong_evidence") and aggregate.get("value") in {str(i) for i in range(9)}:
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status = "ORIGIN_CONFIRMED"
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else:
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status = "ORIGIN_NEEDS_EVIDENCE"
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return {
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"product_id": product_id,
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"status": status,
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"value": aggregate.get("value") if status == "ORIGIN_CONFIRMED" else None,
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"provenance": aggregate.get("provenance", []),
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"reason": "explicit supplier observations only; CST digit ignored",
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}
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