tune SearXNG VPN request timeouts and retries

tests/searxng_limiter.bats

@@ -57,6 +57,19 @@ assert not missing, f"pass_ip missing {missing}; got {pass_ip}"
 PYEOF
 }
 
+@test "SearXNG outgoing policy allows modest VPN latency without retry amplification" {
+    python3 - "$REPO_ROOT/shared/searxng/settings.yml" <<'PYEOF'
+import sys, yaml
+with open(sys.argv[1]) as fh:
+    data = yaml.safe_load(fh)
+outgoing = data.get("outgoing", {})
+assert outgoing.get("request_timeout") == 4.0, outgoing
+assert outgoing.get("max_request_timeout") == 12.0, outgoing
+assert outgoing.get("retries") == 1, outgoing
+assert outgoing["request_timeout"] < outgoing["max_request_timeout"], outgoing
+PYEOF
+}
+
 @test "deploy.sh copies limiter.toml into /opt/searxng/config" {
     grep -q "shared/searxng/limiter.toml" "$REPO_ROOT/scripts/deploy.sh" \
         || { echo "deploy.sh does not copy shared/searxng/limiter.toml"; return 1; }