docs: Make unsupported features more prominent in external agents (#37090)

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Release Notes:

- N/A

docs/src/ai/agent-panel.md

@@ -18,7 +18,7 @@ If you need extra room to type, you can expand the message editor with {#kb agen
 
 You should start to see the responses stream in with indications of [which tools](./tools.md) the model is using to fulfill your prompt.
 
-> Note that, at the moment, not all features outlined below work for external agents, like [Gemini CLI](./external-agents.md#gemini-cli)—features like _checkpoints_, _token usage display_, and _model selection_ may be supported in the future.
+> Note that, at the moment, not all features outlined below work for external agents, like [Gemini CLI](./external-agents.md#gemini-cli)—features like _restoring threads from history_, _checkpoints_, _token usage display_, _model selection_, and others may be supported in the future.
 
 ### Creating New Threads
 

docs/src/ai/external-agents.md

@@ -54,8 +54,8 @@ Similar to Zed's first-party agent, you can use Gemini CLI to do anything that y
 
 You can @-mention files, recent threads, symbols, or fetch the web.
 
-Note that some first-party agent features don't yet work with Gemini CLI: editing past messages, resuming threads from history, checkpointing, and using the agent in SSH projects.
-We hope to add these features in the near future.
+> Note that some first-party agent features don't yet work with Gemini CLI: editing past messages, resuming threads from history, checkpointing, and using the agent in SSH projects.
+> We hope to add these features in the near future.
 
 ## Add Custom Agents {#add-custom-agents}