Add Spring AI integration documentation for Java SDK

docs/develop/integrations.mdx

@@ -17,5 +17,6 @@ description: AI framework integrations available for Temporal SDKs.
 Temporal integrates with popular AI and agent frameworks.
 The following integrations are available by SDK:
 
+- [Java SDK integrations](/develop/java/integrations)
 - [Python SDK integrations](/develop/python/integrations)
 - [TypeScript SDK integrations](/develop/typescript/integrations)

docs/develop/java/integrations/index.mdx

@@ -6,15 +6,28 @@ description: This section covers integrations with the Java SDK
 toc_max_heading_level: 4
 keywords:
   - Java SDK
+  - integrations
+  - ai frameworks
 tags:
   - Java SDK
   - Temporal SDKs
+  - Integrations
 ---
 
 import * as Components from '@site/src/components';
 
 ![Java SDK Banner](/img/assets/banner-java-temporal.png)
 
-## Integrations
+## Framework integrations
 
 - [Spring Boot](/develop/java/integrations/spring-boot-integration)
+
+## AI integrations
+
+The following AI framework integrations are available for the Temporal Java SDK:
+
+| Framework | SDK docs | Integration guide |
+| --- | --- | --- |
+| Spring AI | [docs.spring.io/spring-ai](https://docs.spring.io/spring-ai/reference/) | [Guide](/develop/java/integrations/spring-ai) |
+
+These integrations are built on the Temporal Java SDK's [Plugin system](/develop/plugins-guide), which you can also use to build your own integrations.