fix(ucca): Cross-Reg 0070 — beide Regelwerk-Domaenen im Router-Top-K (Known Defects 0)
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Der einzige offene Retrieval-Haertefall: eine Query mit >=2 genannten Regelwerken
("CRA und Maschinenverordnung") lieferte nur die keyword-dominante Domaene (CRA),
MaschVO fiel raus. Drei zusammenwirkende Ursachen, alle behoben:

1. CodeValues-Mismatch: MaschVO heisst je Collection anders (Slice MASCHVO ·
   gesetze MVO · ce MACHINERY/MASCHINENVO), der Catalog hatte nur ["MASCHVO","MaschVO"]
   → Filter fand MaschVO nur in der Slice. Jetzt alle Varianten als CodeValues.
2. Per-Collection-Truncation: der Router gab perColl=3 → searchMultiRegulation holte
   3+3=6, schnitt auf 3 → konnte eine Domaene je Collection verlieren. Multi-Reg-Queries
   bekommen jetzt perColl = 3*len(regs).
3. Router-Score-Merge starvte die nicht-dominante Domaene. Neue balanceByRegulation()
   gruppiert den gemergten Pool per Regelwerk (exakter regulation_code-Match) und nimmt
   round-robin ueber die genannten Domaenen → jede Domaene mit Treffern ist im Top-K.
   Generisch ueber jede genannte Menge; Single-Domain-Pfad unveraendert.

Validierung: Go-Unit (balanceByRegulation: dominante CRA verdraengt MaschVO NICHT mehr);
0070-e2e gegen dev (Retrieve() → [CRA MVO CRA MVO CRA MVO CRA MASCHINENVO] = beide
Domaenen, vorher nur CRA); CB-100-Stichprobe REGR 0 (Gain-Profil unveraendert).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Benjamin Admin
2026-06-30 15:08:18 +02:00
parent 08086ee75f
commit f2d445b891
4 changed files with 138 additions and 3 deletions
@@ -49,6 +49,38 @@ func TestRouterSliceSelection(t *testing.T) {
}
}
func TestBalanceByRegulation(t *testing.T) {
regs := []detectedRegulation{
{Canonical: "CRA", CodeValues: []string{"CRA"}},
{Canonical: "MaschVO", CodeValues: []string{"MASCHVO", "MVO", "MACHINERY"}},
}
// CRA dominates by score; without balancing the top-4 would be all CRA + NIST.
pool := []LegalSearchResult{
{RegulationCode: "CRA", Score: 0.99},
{RegulationCode: "CRA", Score: 0.98},
{RegulationCode: "CRA", Score: 0.97},
{RegulationCode: "NIST", Score: 0.96},
{RegulationCode: "MACHINERY", Score: 0.70},
{RegulationCode: "MVO", Score: 0.65},
}
out := balanceByRegulation(pool, regs, 4)
var hasCRA, hasMasch bool
for _, r := range out {
switch r.RegulationCode {
case "CRA":
hasCRA = true
case "MACHINERY", "MVO":
hasMasch = true
}
}
if !hasCRA || !hasMasch {
t.Errorf("both named domains must be represented: CRA=%v MaschVO=%v out=%v", hasCRA, hasMasch, out)
}
if out[0].RegulationCode != "CRA" || !(out[1].RegulationCode == "MACHINERY" || out[1].RegulationCode == "MVO") {
t.Errorf("round-robin should alternate domains, got %s then %s", out[0].RegulationCode, out[1].RegulationCode)
}
}
func TestDedupResults(t *testing.T) {
in := []LegalSearchResult{
{RegulationCode: "EDPB WP248", ArticleLabel: "III.B", Text: "lorem", Score: 0.7},