Fix duplicate section and replace Capsule with Note component

- Removed duplicate "Understanding workspaces" section in getting_started_with_chat.mdx
- Replaced non-standard Capsule component with built-in Note component in chats.mdx

These changes address PR feedback to prevent duplicate anchors and ensure compatibility with the documentation build system.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: tpayet

guides/ai/getting_started_with_chat.mdx

@@ -145,19 +145,6 @@ curl \
   }'
 ```
 
-## Understanding workspaces
-
-Workspaces allow you to create isolated chat configurations for different use cases:
-
-- **Customer support**: Configure with support-focused prompts
-- **Product search**: Optimize for e-commerce queries
-- **Documentation**: Tune for technical Q&A
-
-Each workspace maintains its own:
-
-- LLM provider configuration
-- System prompt
-
 ## Building a chat interface with OpenAI SDK
 
 Since Meilisearch's chat endpoint is OpenAI-compatible, you can use the official OpenAI SDK:

reference/api/chats.mdx

@@ -401,9 +401,9 @@ curl \
 
 ## Privacy and data storage
 
-<Capsule intent="note">
+<Note>
 🔒 **Your conversations are private**: Meilisearch does not store any conversation history or context between requests. Each chat completion request is stateless and independent. Any conversation continuity must be managed by your application.
-</Capsule>
+</Note>
 
 This design ensures: