fix: update ai plugin typing (#6786)

Author: sabrenner

docs/test.ts

@@ -302,6 +302,7 @@ const openSearchOptions: plugins.opensearch = {
   },
 };
 
+tracer.use('ai', true)
 tracer.use('amqp10');
 tracer.use('amqplib');
 tracer.use('anthropic');

index.d.ts

@@ -181,6 +181,7 @@ interface Tracer extends opentracing.Tracer {
 /** @hidden */
 interface Plugins {
   "aerospike": tracer.plugins.aerospike;
+  "ai": tracer.plugins.ai;
   "amqp10": tracer.plugins.amqp10;
   "amqplib": tracer.plugins.amqplib;
   "anthropic": tracer.plugins.anthropic;
@@ -1642,6 +1643,12 @@ declare namespace tracer {
      */
     interface aerospike extends Instrumentation {}
 
+    /**
+     * This plugin automatically instruments the
+     * [Vercel AI SDK](https://ai-sdk.dev/docs/introduction) module.
+     */
+    interface ai extends Instrumentation {}
+
     /**
      * This plugin automatically instruments the
      * [amqp10](https://github.com/noodlefrenzy/node-amqp10) module.