add mcp 0.8.0 breaking change note

Signed-off-by: Christian Tzolov <[email protected]>

Author: tzolov

spring-ai-docs/src/main/antora/modules/ROOT/pages/api/mcp/mcp-overview.adoc

@@ -8,6 +8,13 @@ The link:https://modelcontextprotocol.io/sdk/java[MCP Java SDK] provides a Java
 `**Spring AI MCP**` extends the MCP Java SDK with Spring Boot integration, providing both xref:api/mcp/mcp-client-boot-starter-docs.adoc[client] and xref:api/mcp/mcp-server-boot-starter-docs.adoc[server] starters. 
 Bootstrap your AI applications with MCP support using link:https://start.spring.io[Spring Initializer].
 
+[NOTE]
+====
+Breaking Changes in MCP Java SDK 0.8.0 ⚠️
+
+MCP Java SDK version 0.8.0 introduces several breaking changes including a new session-based architecture. If you're upgrading from Java SDK 0.7.0, please refer to the https://github.com/modelcontextprotocol/java-sdk/blob/main/migration-0.8.0.md[Migration Guide] for detailed instructions.
+====
+
 == MCP Java SDK Architecture
 
 TIP: This section provides an overview for the link:https://modelcontextprotocol.io/sdk/java[MCP Java SDK architecture].