diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 29281a6..0276890 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -22,6 +22,7 @@ model CaseLaw {
   court        String?
   caseNumber   String?
   summary      String?   @db.Text
+  storageKey   String?
   fileType     String
   createdAt    DateTime  @default(now())
   updatedAt    DateTime  @updatedAt
diff --git a/src/cases/entities/case-law.entity.ts b/src/cases/entities/case-law.entity.ts
index 46015ed..7bbc38c 100644
--- a/src/cases/entities/case-law.entity.ts
+++ b/src/cases/entities/case-law.entity.ts
@@ -26,6 +26,9 @@ export class CaseLaw {
   @Field({ nullable: true })
   summary?: string;
 
+  // Internal storage key — not exposed directly via GraphQL.
+  storageKey?: string;
+
   @Field()
   fileType: string;