core: !EXPERIMENTAL! 支持跨域引用题目

packages/migrate-vijos/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@hydrooj/migrate-vijos",
-    "version": "1.4.2",
+    "version": "1.4.3",
     "main": "package.json",
     "repository": "git@github.com:hydro-dev/Hydro.git",
     "author": "undefined <i@undefined.moe>",

packages/migrate-vijos/script.ts

@@ -220,6 +220,7 @@ const tasks = {
             code: doc.code,
             lang: doc.lang,
             uid: doc.uid,
+            pdomain: doc.domain_id,
             pid: pid(doc.pid),
             domainId: doc.domain_id,
             judger: doc.judge_uid || 1,