Improve ZXDB releases list

Link release titles to release detail, add magref count
badges, and show other releases on release detail.

Signed-off-by: codex@lucy.xalior.com

src/server/repo/zxdb.ts

@@ -1103,6 +1103,7 @@ export interface ReleaseListItem {
   releaseSeq: number;
   entryTitle: string;
   year: number | null;
+  magrefCount: number;
 }
 
 export async function searchReleases(params: ReleaseSearchParams): Promise<PagedResult<ReleaseListItem>> {
@@ -1192,12 +1193,33 @@ export async function searchReleases(params: ReleaseSearchParams): Promise<Paged
     .limit(pageSize)
     .offset(offset);
 
+  const entryIds = Array.from(new Set(rowsQB.map((r) => Number(r.entryId)).filter((id) => Number.isFinite(id))));
+  const magrefCounts = new Map<number, number>();
+  if (entryIds.length > 0) {
+    try {
+      const values = entryIds.map((id) => sql`${id}`);
+      const rows = await db.execute(sql`
+        select ${searchByMagrefs.entryId} as entryId, count(*) as count
+        from ${searchByMagrefs}
+        where ${searchByMagrefs.entryId} in (${sql.join(values, sql`, `)})
+        group by ${searchByMagrefs.entryId}
+      `);
+      type CountRow = { entryId: number | string; count: number | string };
+      for (const row of rows as unknown as CountRow[]) {
+        magrefCounts.set(Number(row.entryId), Number(row.count));
+      }
+    } catch {
+      // Helper table might be missing; default to 0 counts.
+    }
+  }
+
   // Ensure plain primitives
   const items: ReleaseListItem[] = rowsQB.map((r) => ({
     entryId: Number(r.entryId),
     releaseSeq: Number(r.releaseSeq),
     entryTitle: r.entryTitle ?? "",
     year: r.year != null ? Number(r.year) : null,
+    magrefCount: magrefCounts.get(Number(r.entryId)) ?? 0,
   }));
 
   return { items, page, pageSize, total };
@@ -1209,6 +1231,10 @@ export interface ReleaseDetail {
     title: string;
     issueId: number | null;
   };
+  entryReleases: Array<{
+    releaseSeq: number;
+    year: number | null;
+  }>;
   release: {
     entryId: number;
     releaseSeq: number;
@@ -1316,6 +1342,15 @@ export async function getReleaseDetail(entryId: number, releaseSeq: number): Pro
   const base = rows[0];
   if (!base) return null;
 
+  const entryReleaseRows = await db
+    .select({
+      releaseSeq: releases.releaseSeq,
+      year: releases.releaseYear,
+    })
+    .from(releases)
+    .where(eq(releases.entryId, entryId))
+    .orderBy(asc(releases.releaseSeq));
+
   type DownloadRow = {
     id: number | string;
     link: string;
@@ -1455,6 +1490,10 @@ export async function getReleaseDetail(entryId: number, releaseSeq: number): Pro
       title: base.entryTitle ?? "",
       issueId: base.issueId ?? null,
     },
+    entryReleases: entryReleaseRows.map((r) => ({
+      releaseSeq: Number(r.releaseSeq),
+      year: r.year != null ? Number(r.year) : null,
+    })),
     release: {
       entryId: Number(base.entryId),
       releaseSeq: Number(base.releaseSeq),