feat(v2.7): 接入协作治理前端体验

apps/web/lib/comment-mentions.ts

@@ -0,0 +1,36 @@
+export interface CommentMentionMember {
+  id: string;
+  name: string;
+}
+
+export interface MergeMentionMemberIdsInput {
+  content: string;
+  explicitMemberIds: string[];
+  members: CommentMentionMember[];
+}
+
+export function extractMentionNames(content: string): string[] {
+  const names: string[] = [];
+  const pattern = /@([\p{L}\p{N}_\-.]+)/gu;
+  for (const match of content.matchAll(pattern)) {
+    if (match[1]) names.push(match[1]);
+  }
+  return names;
+}
+
+export function mergeMentionMemberIds(input: MergeMentionMemberIdsInput): string[] {
+  const ids = new Set<string>();
+  const names = new Set(extractMentionNames(input.content).map(normalizeName));
+  for (const member of input.members) {
+    if (names.has(normalizeName(member.name))) ids.add(member.id);
+  }
+  for (const id of input.explicitMemberIds) {
+    const normalized = id.trim();
+    if (normalized) ids.add(normalized);
+  }
+  return Array.from(ids);
+}
+
+function normalizeName(name: string): string {
+  return name.trim().toLowerCase();
+}