feat: group catalog items by imdbId

Duplicate files of the same title become one catalog row, with one stream per member file.

server.js

@@ -89,7 +89,7 @@ http.createServer(async (req, res) => {
     const item = await library.metadata(url.searchParams.get('id') || '');
     return item ? json(res, 200, { item: { ...item, imdbId: item.imdbId || item.suggestedImdbId, description: item.description || item.file } }) : json(res, 404, { error: 'Not found' });
   }
-  if (req.method === 'POST' && url.pathname === '/v1/stream') { if (!authenticated(req)) return json(res,401,{error:'Unauthorized'}); const body=await readJson(req); if (body.id === 'demo-stream' && demoStreamUrl) return json(res,200,{streams:[{id:'demo-stream',url:demoStreamUrl,filename:'demo.m3u8',headers:{}}]}); const file=Buffer.from(body.id || '', 'base64url').toString(); if (!(await videos()).some(v => v.id === body.id) || file.includes('..')) return json(res,404,{error:'Not found'}); return json(res,200,{streams:[{id:body.id,url:`${publicBaseUrl}/v1/media/${body.id}?token=${bearer(req)}`,filename:path.basename(file),headers:{}}]}); }
+  if (req.method === 'POST' && url.pathname === '/v1/stream') { if (!authenticated(req)) return json(res,401,{error:'Unauthorized'}); const body=await readJson(req); if (body.id === 'demo-stream' && demoStreamUrl) return json(res,200,{streams:[{id:'demo-stream',url:demoStreamUrl,filename:'demo.m3u8',headers:{}}]}); const members=await library.members(body.id || ''); if (!members?.length || members.some(member => member.file.includes('..'))) return json(res,404,{error:'Not found'}); return json(res,200,{streams:members.map(member => ({id:member.id,url:`${publicBaseUrl}/v1/media/${member.id}?token=${bearer(req)}`,filename:path.basename(member.file),headers:{}}))}); }
   if (req.method === 'GET' && url.pathname.startsWith('/v1/media/')) { const token=url.searchParams.get('token'); const file=Buffer.from(url.pathname.split('/').pop(), 'base64url').toString(); const target=path.resolve(mediaRoot,file); if (!tokens.has(token) || !target.startsWith(`${mediaRoot}${path.sep}`) || !fs.existsSync(target)) return json(res,404,{error:'Not found'}); res.writeHead(200,{'content-type':'application/octet-stream','content-length':fs.statSync(target).size}); return fs.createReadStream(target).pipe(res); }
   json(res, 404, { error: 'Not found' });
 }).listen(port, () => console.log(`Connector listening on ${publicBaseUrl}`));