feat(ai-cases-write): 등록된 사례 목록 5건 단위 페이징

- 최신순 정렬 후 페이지당 5개, 이전/다음 네비
- edit·page 쿼리 유지, 목록 영역 스타일 보강

Made-with: Cursor

server.js

@@ -1167,6 +1167,8 @@ pageRouter.get("/ai-explore/task-checklist", (req, res) =>
     opsState: normalizeOpsState(),
   })
 );
+const AI_SUCCESS_ADMIN_LIST_PAGE_SIZE = 5;
+
 pageRouter.get("/ai-cases/write", (req, res) => {
   if (!res.locals.adminMode) {
     return res.status(403).send(
@@ -1180,11 +1182,31 @@ pageRouter.get("/ai-cases/write", (req, res) => {
     const m = meta.find((x) => x.slug === editSlug);
     if (m) story = enrichAiSuccessStory(m);
   }
+  const sortedStories = [...meta].sort((a, b) => {
+    const da = new Date(a.publishedAt || a.updatedAt || a.createdAt || 0);
+    const db = new Date(b.publishedAt || b.updatedAt || b.createdAt || 0);
+    return db - da;
+  });
+  const pageRaw = req.query.page;
+  const pageNum = Math.max(1, parseInt(Array.isArray(pageRaw) ? pageRaw[0] : pageRaw, 10) || 1);
+  const totalCount = sortedStories.length;
+  const totalPages = Math.max(1, Math.ceil(totalCount / AI_SUCCESS_ADMIN_LIST_PAGE_SIZE));
+  const currentPage = Math.min(pageNum, totalPages);
+  const start = (currentPage - 1) * AI_SUCCESS_ADMIN_LIST_PAGE_SIZE;
+  const allStories = sortedStories.slice(start, start + AI_SUCCESS_ADMIN_LIST_PAGE_SIZE);
+  const listPagination = {
+    page: currentPage,
+    totalPages,
+    totalCount,
+    hasPrev: currentPage > 1,
+    hasNext: currentPage < totalPages,
+  };
   res.render("ai-cases-write", {
     activeMenu: "ai-cases",
     adminMode: true,
     story,
-    allStories: meta,
+    allStories,
+    listPagination,
     editSlug: editSlug || null,
   });
 });