Add content_hash to test fixtures

Update test fixtures in hitl.service.spec.ts and upload.controller.spec.ts to include the content_hash field in mock document objects.

Author: kmandryk

apps/backend-services/src/hitl/hitl.service.spec.ts

@@ -42,6 +42,8 @@ describe("HitlService", () => {
     normalized_file_path: "/path/to/normalized.pdf",
     file_type: "pdf",
     file_size: 1000,
+    content_hash:
+      "2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824",
     metadata: {},
     source: "upload",
     status: DocumentStatus.extracted,

apps/backend-services/src/upload/upload.controller.spec.ts

@@ -67,6 +67,8 @@ describe("UploadController", () => {
       original_filename: "test.pdf",
       file_type: FileType.PDF,
       file_size: 123,
+      content_hash:
+        "2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824",
       status: DocumentStatus.extracted,
       created_at: new Date(),
       updated_at: new Date(),