add tenancy OCID requirement

backend/src/db/migrations/20250508210717_identity-oci-auth.ts

@@ -16,6 +16,7 @@ export async function up(knex: Knex): Promise<void> {
       t.foreign("identityId").references("id").inTable(TableName.Identity).onDelete("CASCADE");
       t.string("type").notNullable();
 
+      t.string("tenancyOcid").notNullable();
       t.string("allowedUsernames").notNullable();
     });
   }

backend/src/db/schemas/identity-oci-auths.ts

@@ -17,6 +17,7 @@ export const IdentityOciAuthsSchema = z.object({
   updatedAt: z.date(),
   identityId: z.string().uuid(),
   type: z.string(),
+  tenancyOcid: z.string(),
   allowedUsernames: z.string()
 });