Rename AI Analysis section to SRE Agent

Update sidebar caption and cross-reference in playbook-reference.

https://claude.ai/code/session_0184fwhrjC4ELrYQBMCbyhfS

Author: claude

docs/index.rst

@@ -18,7 +18,7 @@
 
 .. toctree::
    :maxdepth: 4
-   :caption: AI Analysis
+   :caption: SRE Agent
    :hidden:
 
    configuration/holmesgpt/main-features

docs/playbook-reference/index.rst

@@ -18,7 +18,7 @@ Playbooks Basics
 
 Playbooks are deterministic rules for responding to alerts and unhealthy conditions in a Kubernetes cluster.
 
-Playbooks are recommended for advanced use cases. Most users should start with :doc:`AI Analysis </configuration/holmesgpt/main-features>` of alerts first, which requires far less configuration.
+Playbooks are recommended for advanced use cases. Most users should start with :doc:`SRE Agent </configuration/holmesgpt/main-features>` of alerts first, which requires far less configuration.
 
 How Playbooks Work
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^