feat(models): add laguna-m.1 + nemotron-3-ultra to curated OpenRouter list (#42629)

Two new free-tier slugs surfaced in /model and `hermes model`. owl-alpha
was already present. Regenerated website/static/api/model-catalog.json to
keep the manifest sync test green.

website/static/api/model-catalog.json

@@ -1,6 +1,6 @@
 {
   "version": 1,
-  "updated_at": "2026-06-04T23:57:51Z",
+  "updated_at": "2026-06-09T05:57:24Z",
   "metadata": {
     "source": "hermes-agent repo",
     "docs": "https://hermes-agent.nousresearch.com/docs/reference/model-catalog"
@@ -116,6 +116,10 @@
           "id": "openrouter/owl-alpha",
           "description": "free"
         },
+        {
+          "id": "poolside/laguna-m.1:free",
+          "description": "free"
+        },
         {
           "id": "tencent/hy3-preview:free",
           "description": "free"
@@ -124,6 +128,10 @@
           "id": "nvidia/nemotron-3-super-120b-a12b:free",
           "description": "free"
         },
+        {
+          "id": "nvidia/nemotron-3-ultra-550b-a55b:free",
+          "description": "free"
+        },
         {
           "id": "inclusionai/ring-2.6-1t:free",
           "description": "free"