Resolve the Seafile host over IPv4 only (musl/Alpine ENOTFOUND on IPv6 NXDOMAIN); v2.17.3

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

server.js

@@ -67,6 +67,7 @@ import { register as registerNuggets } from './server/routes/nuggets.js'
 import { register as registerNuggetsHostUpload } from './server/routes/nuggets-host-upload.js'
 import { register as registerNuggetsWorkflow } from './server/routes/nuggets-workflow.js'
 import { register as registerPodcastWorkflow } from './server/routes/podcast-workflow.js'
+import { preferIpv4ForSeafile } from './server/seafile-dns.js'
 import { startNuggetsSeafileWatcher } from './server/nuggets-seafile-watcher.js'
 import { register as registerFeed } from './server/routes/feed.js'
 import { register as registerQrCodes } from './server/routes/qr-codes.js'
@@ -74,6 +75,8 @@ import { register as registerBiblePassage } from './server/routes/bible-passage.
 import { register as registerNewsletter } from './server/routes/newsletter.js'
 import { register as registerPublic } from './server/routes/public.js'
 
+preferIpv4ForSeafile()
+
 const app = express()
 app.use(express.json({ limit: '10mb' }))
 const trustProxyHops = Number(process.env.TRUST_PROXY_HOPS ?? 1)