Seed relay fetches plain overviews by default

For 2026 a.b.ath articles Eweka's gzip replies have a long tail (p90 12.4 s
per 20k vs 3.9 s plain; 6.1k vs 10.5k headers/s). SEED_NNTP_COMPRESS turns
compression back on; plain replies are deflated for nodes asynchronously.

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

config/indexer.ts

@@ -72,6 +72,12 @@ export default {
      * answered" in 10 minutes came in 0.3 s on a fresh connection.
      */
     nntpTimeoutMs: env.get('SEED_NNTP_TIMEOUT_MS', 90 * 1000),
+    /**
+     * Ask the news server for gzip-compressed overviews. Off: for 2026 articles Eweka's
+     * compressed replies have a long tail (p90 12.4 s per 20k, against 3.9 s plain; 6.1k
+     * against 10.5k headers/s, LOG.md 2026-10-06 (9)). Nodes get gzip from the relay either way.
+     */
+    nntpCompress: env.get('SEED_NNTP_COMPRESS', false),
   },
 
   backfill: {