[Security Solution] [AI assistant] Docs for AI assistant esql generation with self healing (#6934)

* Include in documentation changes to ES|QL generation in the security AI assistant

* Update docs/AI-for-security/ai-security-assistant.asciidoc

Co-authored-by: Benjamin Ironside Goldstein <[email protected]>

* Update docs/AI-for-security/ai-security-assistant.asciidoc

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Co-authored-by: Benjamin Ironside Goldstein <[email protected]>

Author: KDKHD

docs/AI-for-security/ai-security-assistant.asciidoc

@@ -162,6 +162,8 @@ The **Knowledge base** tab of the **Security AI settings** page allows you to en
 
 Elastic AI Assistant allows you to take full advantage of the {elastic-sec} platform to improve your security operations. It can help you write an {esql} query for a particular use case, or answer general questions about how to use the platform. Its ability to assist you depends on the specificity and detail of your questions. The more context and detail you provide, the more tailored and useful its responses will be. 
 
+NOTE: AI Assistant has access to index names and field metadata from your cluster. This contextual information helps improve {{esql}} generation, however it may slightly increase response times compared to previous Kibana versions.
+
 To maximize its usefulness, consider using more detailed prompts or asking for additional information. For instance, after asking for an {esql} query example, you could ask a follow-up question like, “Could you give me some other examples?” You can also ask for clarification or further exposition, for example "Please provide comments explaining the query you just gave."
 
 In addition to practical advice, AI Assistant can offer conceptual advice, tips, and best practices for enhancing your security measures. You can ask it, for example: