fix(reference): use compatible @ai-sdk v3 packages, await convertToModelMessages

@ai-sdk/openai v3 and @ai-sdk/react v3 are needed for ai v6 compatibility.
convertToModelMessages is async in newer AI SDK versions.

Co-authored-by: Eric Allam <eric@trigger.dev>

.claude/scheduled_tasks.lock

@@ -0,0 +1 @@
+{"sessionId":"6191be93-9ce4-4fc5-a963-d9173041bafd","pid":89855,"procStart":"Wed May  6 14:18:09 2026","acquiredAt":1778446942988}

references/ai-chat/next-env.d.ts

@@ -0,0 +1,5 @@
+/// <reference types="next" />
+/// <reference types="next/image-types/global" />
+
+// NOTE: This file should not be edited
+// see https://nextjs.org/docs/app/api-reference/config/typescript for more information.

references/ai-chat/package.json

@@ -9,8 +9,8 @@
     "dev:trigger": "trigger dev"
   },
   "dependencies": {
-    "@ai-sdk/openai": "^2.0.0",
-    "@ai-sdk/react": "^2.0.0",
+    "@ai-sdk/openai": "^3.0.0",
+    "@ai-sdk/react": "^3.0.0",
     "@trigger.dev/sdk": "workspace:*",
     "ai": "^6.0.0",
     "next": "15.3.3",

references/ai-chat/src/trigger/chat.ts

@@ -8,7 +8,7 @@ export const chat = chatTask({
     return streamText({
       model: openai("gpt-4o-mini"),
       system: "You are a helpful assistant. Be concise and friendly.",
-      messages: convertToModelMessages(messages),
+      messages: await convertToModelMessages(messages),
     });
   },
 });