feat(阶段1): 搬入 ojnext 为 apps/web，未改业务代码

apps/web/src/admin/transforms.ts

@@ -0,0 +1,20 @@
+import type { AdminProblem } from "utils/types"
+
+// 把后端的 AdminProblem 塑形成管理端列表项，与请求逻辑解耦。
+export function toProblemListItem(result: AdminProblem) {
+  return {
+    id: result.id,
+    _id: result._id,
+    title: result.title,
+    username: result.created_by.username,
+    create_time: result.create_time,
+    visible: result.visible,
+    difficulty: result.difficulty,
+    tags: result.tags,
+    has_ast_rules: result.has_ast_rules,
+    allow_flowchart: result.allow_flowchart,
+    show_flowchart: result.show_flowchart,
+    // 比赛题目列表接口不返回这个字段
+    top_reaction: result.top_reaction ?? null,
+  }
+}