fix(留言分頁): 改用 timeline 分頁讀取留言

Gitea 議題留言端點無法可靠處理分頁；改由 timeline 逐頁篩選 comment 事件並去重，讓抽取、整併與 PR 留言流程取得完整集合。

scripts/pr-reply.js

@@ -24,6 +24,7 @@ import {
   ScriptError,
   expectOk,
   giteaRequest,
+  listIssueComments,
   main,
   pages,
   parseFlags,
@@ -205,14 +206,8 @@ async function findInline(login, repo, index, commentId) {
 }
 
 async function findGeneral(login, repo, index, commentId) {
-  const path = `/repos/${repo}/issues/${index}/comments`;
-
-  for await (const comments of pages(login, path, {
-    limitCode: 'COMMENT_LIMIT',
-    limitHint: `${path} 的留言太多，找不完`,
-  })) {
-    const hit = comments.find((comment) => comment.id === commentId);
-    if (hit) return hit;
+  for await (const comment of listIssueComments(login, repo, index)) {
+    if (comment.id === commentId) return comment;
   }
   throw notFound(index, '一般留言', commentId);
 }