rearchive protection

prisma/migrations/20231031100017_add_last_preserved_field/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "Link" ADD COLUMN     "lastPreserved" TIMESTAMP(3);

prisma/schema.prisma

@@ -106,6 +106,8 @@ model Link {
   screenshotPath    String?
   pdfPath           String?
   readabilityPath   String?
+
+  lastPreserved     DateTime?
     
   createdAt         DateTime   @default(now())
   updatedAt         DateTime   @updatedAt @default(now())