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fix: make conflicting company identifiers dominate ER matches

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admin
2026-09-07 17:57:23 +02:00
parent 4c7132728a
commit 5338975eea
1 changed files with 19 additions and 15 deletions
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app/api/0pt/internal/er/candidates/route.ts
+19 -15
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@@ -11,23 +11,27 @@ import { SiaxError } from "@/src/platform/errors";
const er = new EntityResolutionService();
/**
* Company identity hard rule.
*
* Negative identity evidence dominates positive evidence: if two records both
* carry the same identifier type and the values conflict, they MUST NOT be
* merged even if another identifier happens to match. Only when every shared
* stable identifier agrees may one matching identifier force a match.
*/
er.registerHardRule({
rule_id: "0pt.company.lei.v1",
rule_id: "0pt.company.stable-identifiers.v2",
decide(a, b) {
const av = stringField(a, "lei");
const bv = stringField(b, "lei");
if (!av || !bv) return "abstain";
return av === bv ? "force_match" : "force_non_match";
},
});
er.registerHardRule({
rule_id: "0pt.company.org_nr.v1",
decide(a, b) {
const av = stringField(a, "org_nr");
const bv = stringField(b, "org_nr");
if (!av || !bv) return "abstain";
return av === bv ? "force_match" : "force_non_match";
const fields = ["lei", "org_nr"] as const;
let sharedMatch = false;
for (const field of fields) {
const av = stringField(a, field);
const bv = stringField(b, field);
if (!av || !bv) continue;
if (av !== bv) return "force_non_match";
sharedMatch = true;
}
return sharedMatch ? "force_match" : "abstain";
},
});