clawdinator-babelfish: disable thread starter context

- bump nix-openclaw input for includeThreadStarter support
- disable thread starter injection for babelfish forum channel

Tests: not run (config change)

flake.lock

@@ -111,11 +111,11 @@
         "nixpkgs": "nixpkgs_3"
       },
       "locked": {
-        "lastModified": 1769780089,
-        "narHash": "sha256-GIdEU81Jf10u9sYFoWJGvYjn/id3jXeIefMPQOF85Kg=",
+        "lastModified": 1770241618,
+        "narHash": "sha256-DZtntDWbNuTeHRDO/K0z6dIuOucdg6LUz5fyXqMSTH8=",
         "owner": "openclaw",
         "repo": "nix-openclaw",
-        "rev": "9d8bafc4a877767a5f93c69225ccbc1d35a3f205",
+        "rev": "8565315ba04e4910c5458fc17365b9c53d2c9168",
         "type": "github"
       },
       "original": {
@@ -129,11 +129,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1769746835,
-        "narHash": "sha256-FO3GhjupUvNuNhZfHnl9bKGv9DSvSgGyHwptreFmzaY=",
+        "lastModified": 1770240566,
+        "narHash": "sha256-fY8t41kMSHu2ovf89mIdvC7vkceroCwKxw/MKVn4rsE=",
         "owner": "openclaw",
         "repo": "nix-steipete-tools",
-        "rev": "04b5b4c39fc7c9811501ef74619c2aab52ab8891",
+        "rev": "983210e3b6e9285780e87f48ce9354b51a270e95",
         "type": "github"
       },
       "original": {

nix/hosts/clawdinator-babelfish.nix

@@ -136,6 +136,7 @@
               "1467469670192910387" = {
                 allow = true;
                 requireMention = false;
+                includeThreadStarter = false;
                 users = [ "*" ];
                 skills = [ ];
                 systemPrompt = ''