chore: update model manifest

[github-actions]

Automated model discovery run.

This PR updates components/manifests/base/core/models.json based on
probing Vertex AI endpoints. Validation passed — safe to auto-merge.

Unleash flags are synced automatically on deploy by the
sync-model-flags Job.

Diff

diff --git a/components/manifests/base/core/models.json b/components/manifests/base/core/models.json
index b1bfd15..1261068 100755
--- a/components/manifests/base/core/models.json
+++ b/components/manifests/base/core/models.json
@@ -213,6 +213,22 @@
       "provider": "google",
       "available": false,
       "featureGated": true
+    },
+    {
+      "id": "gemini-3.5-transcribe-live-preview",
+      "label": "Gemini 3.5 Transcribe Live Preview",
+      "vertexId": "gemini-3.5-transcribe-live-preview@default",
+      "provider": "google",
+      "available": false,
+      "featureGated": true
+    },
+    {
+      "id": "gemini-3.5-transcribe-preview",
+      "label": "Gemini 3.5 Transcribe Preview",
+      "vertexId": "gemini-3.5-transcribe-preview@default",
+      "provider": "google",
+      "available": false,
+      "featureGated": true
     }
   ]
 }

[ambient-code]

Manifest validation passed — auto-approved by model discovery workflow

[netlify]

✅ Deploy Preview for cheerful-kitten-f556a0 canceled.

Name	Link
🔨 Latest commit	47b7c8d
🔍 Latest deploy log	https://app.netlify.com/projects/cheerful-kitten-f556a0/deploys/6a906fa37b7e160009c2d7e6