Merge remote-tracking branch 'upstream/master'

# Conflicts:
#	.gitignore
#	open-sse/handlers/chatCore.js

open-sse/config/runtimeConfig.js

@@ -39,6 +39,15 @@ function envMs(name, def) {
   return Number.isFinite(n) && n > 0 ? n : def;
 }
 
+function envUrl(name, def) {
+  const raw = process.env[name]?.trim();
+  return raw || def;
+}
+
+// SearXNG endpoint used by the unauthenticated web-search provider.
+// Configure this for a separate Docker service or remote SearXNG instance.
+export const SEARXNG_URL = envUrl("SEARXNG_URL", "http://localhost:8888/search");
+
 // Inter-chunk stall timeout (once tokens are flowing). Generous headroom so
 // slow reasoning models aren't aborted mid-stream. Env: STREAM_STALL_TIMEOUT_MS.
 export const STREAM_STALL_TIMEOUT_MS = envMs("STREAM_STALL_TIMEOUT_MS", 360 * 1000);