feat(版本详情): 优化任务统计与测试轮次

apps/web/lib/requirement-grouping.ts

@@ -0,0 +1,20 @@
+export function orderByRequirementForGrouping<T>(
+  items: readonly T[],
+  requirementIds: readonly string[],
+  getRequirementId: (item: T) => string | undefined,
+): T[] {
+  const rankByRequirement = new Map(requirementIds.map((id, index) => [id, index]));
+  const trailingRank = requirementIds.length;
+
+  return [...items]
+    .map((item, index) => {
+      const requirementId = getRequirementId(item);
+      return {
+        item,
+        index,
+        rank: requirementId ? (rankByRequirement.get(requirementId) ?? trailingRank) : trailingRank,
+      };
+    })
+    .sort((a, b) => a.rank - b.rank || a.index - b.index)
+    .map(({ item }) => item);
+}