Stop HELLO from overwriting node publicStreamUrl.

Admin can fix URL typos without recreating the Unraid container env.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/master-api/src/websocket/manager.ts

@@ -171,7 +171,8 @@ class NodeConnectionManager {
         version: payload.softwareVersion,
         architecture: payload.architecture,
         hostname: payload.hostname,
-        publicStreamUrl: payload.publicStreamUrl,
+        // Do not overwrite publicStreamUrl on HELLO — admin may correct typos
+        // (e.g. node01 vs node1) without recreating the Unraid container env.
       },
     });