fix: add perch agent to the overview

Signed-off-by: yashodgayashan <yashodgayashan@gmail.com>

Author: yashodgayashan

docs/ai/overview.mdx

@@ -32,3 +32,7 @@ Cloud costs grow quietly until they become a problem. The **[FinOps Agent](./fin
 ### SRE Agent
 
 When something goes wrong in production, finding the root cause is expensive. The **[SRE Agent](./sre-agent.mdx)** automates that investigation by analyzing logs, metrics, and traces from your OpenChoreo deployments and generating a report with likely root causes. Instead of engineers spending hours correlating signals across dashboards, the SRE Agent delivers actionable insights the moment an alert fires.
+
+### Perch Agent
+
+Platform context is scattered across CRDs, dashboards, and log stores — answering "what is this component doing?" often means jumping between five tools. The **[Perch Agent](./perch-agent.mdx)** is a read-only chat assistant embedded in Backstage that talks to the OpenChoreo and Observability MCP servers (and the SRE Agent when deployed) so your team can ask questions in natural language — list projects, inspect a component, query runtime logs, or pull an existing RCA report — without leaving the developer portal. Perch is read-only by contract: it can list, get, and query, but never create, update, or delete.