feat(ai-sdk): legal-corpus coverage + Phase-2 citation-graph assessment (#33)

admin-compliance/app/sdk/coverage/_helpers.ts

@@ -46,6 +46,28 @@ export interface CorpusOverview {
   totals: { documents: number; catalog_sources: number }
 }
 
+// --- Ingested legal-corpus structure (from the vector store, via the Go SDK).
+// Shows WHAT each eur-lex act consists of (articles/annexes/recitals), so the
+// ingested corpus is not a black box for developers. ---
+export interface LegalActStructure {
+  regulation_short: string
+  regulation_name: string
+  articles: number
+  annexes: number
+  recitals: number
+  chunks: number
+}
+
+export interface LegalCorpus {
+  regulations: LegalActStructure[]
+  totals: {
+    regulations: number
+    articles: number
+    annexes: number
+    recitals: number
+  }
+}
+
 // --- Korpus-Dokumente: gruppieren nach Art (Gesetz/Leitfaden/Standard/Urteil)
 // + Herausgeber-Familie (DSK, EDPB, OWASP, NIST …). Deterministisch, pure. ---
 interface DocCat {