When the model generates code that includes code fences <v-code-fenced-content uri="urn:uuid:..."></v-code-fenced-content> is shown instead of the fenced part:

Applying such changes also inserts this tag into the document instead of expected code. Copying or downloading the message reveals the correct code.
When the model generates code that includes code fences

<v-code-fenced-content uri="urn:uuid:..."></v-code-fenced-content>is shown instead of the fenced part:Applying such changes also inserts this tag into the document instead of expected code. Copying or downloading the message reveals the correct code.