feat: enrich tape identifier results with entry details

Show authors, genre, machine type, release year, CRC32, and a
prominent "View entry" link. Joins releases, genretypes, machinetypes,
and authors in lookupByMd5() for richer context.

opus-4-6@McFiver

src/server/repo/zxdb.ts

@@ -2633,6 +2633,11 @@ export type TapeMatch = {
   md5: string;
   crc32: string;
   sizeBytes: number;
+  machinetype: string | null;
+  genre: string | null;
+  releaseYear: number | null;
+  authors: string[];
+  downloadLink: string;
 };
 
 export async function lookupByMd5(md5: string): Promise<TapeMatch[]> {
@@ -2645,12 +2650,46 @@ export async function lookupByMd5(md5: string): Promise<TapeMatch[]> {
       md5: softwareHashes.md5,
       crc32: softwareHashes.crc32,
       sizeBytes: softwareHashes.sizeBytes,
+      machinetypeName: machinetypes.name,
+      genreName: genretypes.name,
+      releaseYear: releases.releaseYear,
+      downloadLink: downloads.fileLink,
     })
     .from(softwareHashes)
     .innerJoin(downloads, eq(downloads.id, softwareHashes.downloadId))
     .innerJoin(entries, eq(entries.id, downloads.entryId))
+    .leftJoin(machinetypes, eq(machinetypes.id, entries.machinetypeId))
+    .leftJoin(genretypes, eq(genretypes.id, entries.genretypeId))
+    .leftJoin(
+      releases,
+      and(eq(releases.entryId, downloads.entryId), eq(releases.releaseSeq, downloads.releaseSeq))
+    )
     .where(eq(softwareHashes.md5, md5.toLowerCase()));
 
+  // Collect unique entry IDs to fetch authors
+  const entryIds = [...new Set(rows.map((r) => Number(r.entryId)))];
+  const authorMap = new Map<number, string[]>();
+  if (entryIds.length > 0) {
+    try {
+      const authorRows = await db
+        .select({ entryId: authors.entryId, name: labels.name })
+        .from(authors)
+        .innerJoin(labels, eq(labels.id, authors.labelId))
+        .where(
+          entryIds.length === 1
+            ? eq(authors.entryId, entryIds[0])
+            : sql`${authors.entryId} in (${sql.join(entryIds.map((id) => sql`${id}`), sql`, `)})`
+        )
+        .orderBy(asc(authors.authorSeq));
+      for (const a of authorRows) {
+        const eid = Number(a.entryId);
+        const existing = authorMap.get(eid);
+        if (existing) existing.push(a.name);
+        else authorMap.set(eid, [a.name]);
+      }
+    } catch {}
+  }
+
   return rows.map((r) => ({
     downloadId: Number(r.downloadId),
     entryId: Number(r.entryId),
@@ -2659,5 +2698,10 @@ export async function lookupByMd5(md5: string): Promise<TapeMatch[]> {
     md5: r.md5,
     crc32: r.crc32,
     sizeBytes: Number(r.sizeBytes),
+    machinetype: r.machinetypeName ?? null,
+    genre: r.genreName ?? null,
+    releaseYear: r.releaseYear != null ? Number(r.releaseYear) : null,
+    authors: authorMap.get(Number(r.entryId)) ?? [],
+    downloadLink: r.downloadLink,
   }));
 }