feat(ucca): Multi-Regulation-Retrieval für Cross-Regulation-Fragen
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Nennt eine Query EXPLIZIT >=2 Regelwerke ("Wie greifen CRA und Maschinen-
verordnung ineinander?"), retrievt searchInternal pro Regelwerk separat
(regulation_code/regulation_id-Filter) und merged — damit BEIDE Domänen im
Prompt landen statt nur der keyword-dominanten. Generisch (Query->Regelwerke,
KEINE doc-spezifische Logik), gegated auf >=2 erkannte Regelwerke; sonst
unveränderter Single-Domain-Pfad.

Behebt GQ-0070: vorher CRA x8 / null MaschVO -> Modell halluzinierte
MaschVO=2019/2144 + falsche "CRA ausgenommen"-Konklusion. Nachher CRA + MaschVO
im Prompt -> korrekt "beide gleichzeitig anwendbar" + Art. 20(9)
Konformitätsvermutung, gegroundet.

Validierung (Build-Collection, echtes SearchCollection):
- Unit: detectRegulations-Scoping (>=2 -> multi, 1/0 -> single)
- 5 Cross-Reg-Fälle (0070 + DSGVO+TDDDG/CRA+NIS2/DORA+NIS2/AI Act+DSGVO):
  beide Regelwerke in Top-8
- CB-100 Freeze-Regression: NUR GQ-0070 + GQ-0095 geändert (beide echte
  Cross-Reg, beide verbessert), 98/100 byte-identisch
- 10 Hard Cases: 9 Single-Domain unverändert, 0070 behält CRA Rang 1

Filter erweitert auf regulation_id UND regulation_code (rückwärtskompatibel,
aktiviert die re-ingestierte Build-Collection).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Benjamin Admin
2026-06-30 08:17:16 +02:00
parent e5e7b825af
commit 9760dca443
4 changed files with 265 additions and 49 deletions
@@ -78,6 +78,19 @@ func (c *LegalRAGClient) Search(ctx context.Context, query string, regulationIDs
// If hybrid search is enabled, it uses the Qdrant Query API with RRF fusion
// (dense + full-text). Falls back to dense-only /points/search on failure.
func (c *LegalRAGClient) searchInternal(ctx context.Context, collection string, query string, regulationIDs []string, topK int) ([]LegalSearchResult, error) {
// Multi-Regulation-Retrieval: nennt die Query EXPLIZIT >=2 Regelwerke (z.B. "CRA und
// Maschinenverordnung"), wird pro Regelwerk separat retrieved + gemergt, damit BEIDE
// Domaenen im Prompt landen statt nur der keyword-dominanten. Generisch (Query->Regelwerke,
// keine doc-spezifische Logik); nur wenn der Caller nicht ohnehin schon auf Regulierungen
// filtert. Best-effort: leeres/fehlerhaftes Multi-Ergebnis faellt auf die Standardsuche zurueck.
if len(regulationIDs) == 0 {
if regs := detectRegulations(query); len(regs) >= 2 {
if mr, mErr := c.searchMultiRegulation(ctx, collection, query, regs, topK); mErr == nil && len(mr) > 0 {
return mr, nil
}
}
}
embedding, err := c.generateEmbedding(ctx, query)
if err != nil {
return nil, fmt.Errorf("failed to generate embedding: %w", err)
@@ -123,43 +136,7 @@ func (c *LegalRAGClient) searchInternal(ctx context.Context, collection string,
hits = c.expandViaGraph(ctx, collection, hits)
}
results := make([]LegalSearchResult, len(hits))
for i, hit := range hits {
// Legal-Metadaten nach rag_reingest_spec.md §2: bevorzugt die normalisierten Felder
// (article_label/regulation_code/article/...); Fallback auf alte Feldnamen, solange der
// Korpus noch nicht re-ingestiert ist (regulation_id, section="§ 38").
regCode := getString(hit.Payload, "regulation_code")
if regCode == "" {
regCode = getString(hit.Payload, "regulation_id")
}
article := getString(hit.Payload, "article")
if article == "" {
article = getString(hit.Payload, "section")
}
results[i] = LegalSearchResult{
Text: getString(hit.Payload, "chunk_text"),
RegulationCode: regCode,
RegulationName: getString(hit.Payload, "regulation_name_de"),
RegulationShort: getString(hit.Payload, "regulation_short"),
Category: getString(hit.Payload, "category"),
ArticleLabel: getString(hit.Payload, "article_label"),
Article: article,
Paragraph: getString(hit.Payload, "paragraph"),
Sub: getString(hit.Payload, "sub"),
IsRecital: getBool(hit.Payload, "is_recital"),
CitationStyle: getString(hit.Payload, "citation_style"),
Pages: getIntSlice(hit.Payload, "pages"),
SourceURL: getString(hit.Payload, "source"),
Score: hit.Score,
AuthorityWeight: getInt(hit.Payload, "authority_weight"),
SourceClass: getString(hit.Payload, "source_class"),
Jurisdiction: getString(hit.Payload, "jurisdiction"),
CitationUnit: getString(hit.Payload, "citation_unit"),
ReferencesOut: getStringSlice(hit.Payload, "references_out"),
ReferencesIn: getStringSlice(hit.Payload, "references_in"),
Superseded: getString(hit.Payload, "status") == "superseded",
}
}
results := hitsToResults(hits)
// Authority-aware Re-Ranking: bindendes Recht der passenden Jurisdiktion/Domaene nach
// oben, Guidance/Fremdrecht/Off-Domain runter (nichts wird geloescht). Reihenfolge only,